ML16054A432

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3 to the Updated Final Safety Analysis Report, Section 15, USAR Drawings, Drawing NH-26244, Rev. 83 Through Drawing NH-36664, Rev. 88
ML16054A432
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 01/26/2016
From:
Northern States Power Co, Xcel Energy
To:
Office of Nuclear Reactor Regulation
Shared Package
ML16054A376 List:
References
L-MT-16-004
Download: ML16054A432 (26)
v • d • e


Text

{{#Wiki_filter:SPARE 3-312 FE 3-208 CRD-16-1 FT 3-209 4199B FI 4200B 1-1/2"-19M3 1-1/2"-19M3 CRD-164 1 1/2" CST-146 PI 7334 INTERLOCK FROM CST'S M-108 RV 4952 TURBINE BUILDING NH-36039 HIGH POINT VENT HIGH POINT VENT A (A,5) (A,4) B FROM COND M-105 LINE NH-36036 (ORW) TO MVP ROOM C D 6 RV 3-14A ORW

  1. 12 FILTER CRD-61-2
  2. 11 FILTER CRD-61-1 CRD-58-1 CRD-175 CRD-174 CRD-173 CRD-1 PI 4953 PCV 4951 3x1 1/2" GB HB REACTOR BUILDING CRD-177 CRD-176 CRD-69 TO AI-162 (B-1)

ORW ORW CRD-59-2 CRD-57-2 CRD-59-1 A H C05 dPIS 7399 CRD-21 1"-130M3 CRD-141 CRD-142 1"-19M3 1"-130M3 NH-36242-2 TO BACKFILL NH-36245 NH-36245 (B,4) M-119 (E,5) M-119 CRD-15 CRD-57-1 CRD-60-1 1"-130M3 (D,5) SYSTEM M-116-2 dPIS 7398 A H C05 CRD2 -1"-DC 1D 0D CRD2 -1"-DC 1/2"-DC 1/2"-DC PI 3-236B YS 3-15B PI 3-236A CRD-2-1 SV 3-20 AO 3-20 C18A-4"-HB 1" CRD-2-2 CRD-58-2 ALT BORON C18-4"-HB CRD-60-2 C18B-4"-HB INT A PS 3-201A YS 3-15A C C05 PS 7400 L L PUMP A PS 3-201B C05 C CRD-52-2 INTERLOCK PUMP PS 7401 CRD-51 CST-157 CST-154 NH-36039 (D,6) M-108 FROM CONDENSATE SERVICE SYSTEM 2" 1" 0C CRD2 -1"-DC 1 1/2" 1C CRD2 -1"-DC (TYP) SW SW (TYP) CUNO FILTER PI 7333 CST-157-2 CST-157-1 STANDBY 2" 0B CRD2 -1"-DC 1B CRD2 -1"-DC 1" NH-36039 CRD-7-1 CRD10A-1"-DE 3-313 FCp B C C W R SEE REF DWG #3 AND #4 WATER PUMPS CONTROL ROD DRIVE 5 CRD-52-1 CRD-47-1 CRD-49-1 ORW CRD-46-1 PI 4375A CRD-50-1 4 CRD-6-1 CRD-45 3/4"-19 HYDRAULIC CONTROL UNITS DRIVE WATER HEADER HYDRAULIC CONTROL UNITS COOLING WATER HEADER CHARGING WATER HEADER HYDRAULIC CONTROL UNITS ACCUMULATORS 5600 CRD-49-2 CRD-54-2 CRD-48-2 11 CRD PUMP P-201A CRD-53-1 A C05 H C CRD-53-2 ORW CRD-48-1 B W C C 3B-S4A HS VC VS 5600 R INCREASER SPEED PUMP MOTOR BKR 152-506 CRD-47-2 ORW CRD-50-2 CRD-46-2 B C C W R PUMP CRD12-1 1/2"-DC 12 CRD PUMP P-201B HS 3B-S4B CRD8-2"-DC CST-147 C05 C RV 3-14B VC 5601 A H CRD5-1"-DC 1/8"/FT SLOPE 1/8"/FT SLOPE 0A CRD2 -1"-DC 1A CRD2 -1"-DC BKR 152-606 MOTOR 1/8"/FT SLOPE W R C C B VS 5601 INCREASER SPEED CRD-82-2 CRD1-2"-DE CRD-5-1 CRD1A-2"-DE CRD-4-1 CRD-3-1 CRD-3-2 CRD-5-2 CRD-4-2 CRD1B-2"-DE CRD-167 CRD-166 CRD-82-1 CRD-83-1 CRD-165 CRD-169 CRD-168 CRD-83-2 PI 3-223 FI 4909 HB DE (B,2) CRD-6-2 CRD-7-2 NH-36039 STORAGE TANKS M-108 RECIRC TO COND PI 4375B CRD10-1"-HB 3-24B RO DE HB M-108 (C,6) 3-306 C05 FI 3/4"-SP-110M1 XR-26-1 XR-22-1A XR-24-1 SUPPLIED WITH EQUIPMENT POST FILTERS (D,4) NH-36243-1 M-117 RECIRC PUMP TO #11 XR-25-1 XR-28 XR-23-1 ORW 3 XR-25-2 XR-23-2 ORW CRD-154 CRD-13-1 C 3/4" M130 PUMP TEST BYPASS S.W. CRD-13-2 CRD-12-2A L CRD-11-1 FILTER #12 3-24A RO T CRD100 TE 5046 CRD-95 CRD2B-2"-DC DE HB 2"-SP-110M1 CRD-10-2 DE CRD-99 CRD-98 CRD10A-1"-HB CRD-97 CRD-96 CRD2A-2"-DC DE CRD11-2"-DE dPIS 3-202 A H C05 DE DC F-200B (3-17B) CRD-156 VENT 1" M110 CRD-11-2 YS 3-18B CRD-12-2 C DE DC CRD-10-1 3/4"-SP-110M1 CRD-155 2"-SP-110M1 (3-17A) FILTER #11 VENT F-200A CRD-12-1A CRD-12-1 YS 3-18A 2"-110 CRD-8 FT 3-212 CRD-163 C05 A PI 3-234 FLUSH CONNECTION E/S 3-309 CRD3-2"-DC 3-310 FI 3-206 PT 3-205 XR-21 XR-22-1 RV 4201A FI 4200A 4199A FE 3-203 PI 4203A FR FT 3-204 ORW 3-302 C05 PI FCp 3-311 F CRD101 2"-19M3 RV 4201B XR-22-2 FR CRD-17 S.W. CRD-16-2 FI 3-301 FC PI 3-219 CRD-14 RO 3-28 3-308 PI 3-233 PS P CRD102 CRD-20 1"-130M3 CRD-143 AI-216-1 NH-36244 HYDRAULIC CONTROL UNIT (TYP FOR 121 UNITS) HIGH POINT VENT HIGH POINT VENT E 1"-JD CRD-42 (TYP) LOW POINT DRAIN NH-36245 NH-36245 1"-110 CRD-43 (E,4) M-119 (E,6) M-119 NH-36245 TO INDIVIDUAL M-119 (A,6) CRD23D-1"-DE 2D CRD2 -1"-DC 1/2"-DC 1/2"-DC DC DE AI-216-4 1/2" 6 1" 2C CRD2 -1"-DC CRD23C-1"-DE SW (TYP) (TYP) SW AI-216-3 1" 2B CRD2 -1"-DC CRD23B-1"-DE 1" AI-216-2 1"-JD 1" VENT AND DRAIN SOLENOID VALVES TO SCRAM DISCHARGE VOLUME 1"-CCD (B,3) NH-36245 M-119 CRD-148-2 VALVE PILOT AIR HEADER HYDRAULIC CONTROL UNITS SCRAM HYDRAULIC CONTROL UNITS EXHAUST WATER HEADER 1 1/2"-JD 1/8"/FT SLOPE CRD9-1"-DE 1/8"/FT SLOPE 2A CRD2 -1"-DC CRD23A-1"-DE 5 PI 3-220 PI 3-226 4 PS 3-230 3/4"-JD CRD-80-1 CRD-80-2 CRD-81 FE 3-213 DRAIN C292 C L AI-16-11 PS 4111 RV 7364B RV 7364A AI-16-8 PI 3-229 AI-16-10 L AI-16-9 3-142A ND AI-16-7 1 1/2"-259 CRD-79-1 CRD-79-2 1 1/2" A C05 L H SV 3 1" 1" 1 1/2"-259 AI-16-6 3-142B ND SV (D,6) CRD-40 CRD-29 3"-SpN10 INSTRUMENT AIR SUPPLY 1/2"-JD 100 PSIG CRD HYDRAULIC SYSTEM PROCESS FLOW DIAG. (GE 729E259) 5828-APED-3-21-2 NX-7866-32 FOR ADDITIONAL PIPING FOR TYPICAL INDIVIDUAL HYDRAULIC CONTROL UNIT SEE DRAWING No. M-119, NH-36245 ALL SCREWED CAPS MARKED S.W. MUST BE SEAL WELDED FOLLOWING FLUSH AND CHECKOUT TESTS. This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy CONTROL ROD HYDRAULIC SYSTEM P&ID CRD HYDRAULIC SYSTEM F.C.D. (GE 729E449) 5828-APED-3-28 CRD6-1"-DE (SHOWN WITH AUTO AIR LOADING) NH-36243-1 M-117 TO #12 RECIRC PUMP XR-26-2 XR-24-2 XR-22-2A (D,4) PI 4203B 2 Xcel CRD-18-2 1"-130M3 L O C C05 CRD3B-1 1/2"-DC CRD-19 CV 3-19A 1/2"- 1/2"- FLOW CONTROL STATION CV 3-19B E/P 3-207B CRD3A-1 1/2"-DC AI-56 E/P 3-207A SET AIR AI-55 S.W. AIR SET HS 3B-S1 C05 L O C C05 CRD-18-1 CRD4-1 1/2"-DC CRD-27 3-23 CRD-24 3-21 3-305 FI 3-214 FCp C05 FI CRD5-1"-DC 1-1/2" 3"-SpN10 DC DE 1-1/2" dPT AI-20 PCV 1479 3-240 E/S 1/2"-73 REFERENCE DRAWINGS NOTES: PI 3-210 3. 2. 1. 1. 2. dPI 3-224 PCV 3-133 1/2"-73 AI-19 CRD-146 PI 3-228 3-211 3-303 C05 dPI (B-6) TO SV-3-20 AI-164 AI-162 1/2"-JD CRD-28 1"-110 HS 3B-S3 C05 1"-7 E/S 3-241 MO 3-20 CRD-22 BKR-4103 1-1/2"-19M3 CRD-23 1-1/2"-19M3 dPI 3-217 CRD-147 HS 3B-S2 C05 C216 3-304 dPI C05 BKR-4104 CRD-26 CRD7-1-1/2"-DE CRD-25 1-1/2"-19M3 MO 3-22 1-1/2"-7 3" DE DRAIN dPT 3-218 C216 S.W. SYSTEM FLUSH CONNECTION FI 3-216 STABILIZING FE 3-235 (NOT IN SERVICE) CRD-37-1 3-25A VALVE ASSEMBLY NE NH-36244 MONTI CAD DWG ` ' M-118 SCALE: sm NONE 1 REV 83 AL A (B,8) NH-36049-12 M-131 AIR SUPPLY STABILIZING CONNECTION SYSTEM FLUSH (NOT IN SERVICE) CRD-37-2 REACTOR CONTROL MANUAL VALVE ASSEMBLY REACTOR 100 PSIG INST 3/4"-JD M-116-1 PRESSURE 3-26A (C,6) NH-36242-1 AI-163 SEE NOTE 2 CRD-39-2 VENT CRD-38-2 DE DC 3/4"-7 CRD-36-2 3/4"-19M3 FILTER CRD6-1"-DC CRD-36-1 3/4"-19M3 FILTER 3/4"-DC CRD-41 CRD-39-1 CRD-38-1 3/4"-7 1"-110 DC DE NE ND ND S.W. 3-25B B C D CRD-31 CRD-30 3"-SpN214 3-140B CRD-62 CRD-63 3-140A AI-16-4 1 1/2"-259 1" 1"-110 AI-16-5 1 1/2"-259 VENT CRD-9 S.W. C292 ND 4110 SV ATWS ARI S32 HS 1" AI-16-3 ND C L SV C292 SV ND 2 1 1/2"-73 PROTECTION REACTOR CRD-65 CRD-64 7939 PCV AI-16-1 SYSTEM PI 3-227 AI-16-2 FILTER 3-27 AI-16 13556 REVISIONS MH 1-5-09 BAL 12-22-08 JJP 12-22-08 12704 BH 10-12-09 BAL 10-12-09 JJP 10-9-09 16616 JWP 1-6-11 BAL 1-4-11 JJP 1-3-11 NH-36049-14 M-131 INSTRUMENT AIR SUPPLY 70-100 PSIG NH-36254 TO RWCU M-128 (D,8) 1 1/2"-73 AI-15 78 APPR: CHK: DWN: APPR: CHK: 79 DWN: APPR: CHK: DWN: 80 EC EC EC 1 E 19070 APPR: JWP 9-13-12 CHK: DWN: BAL 9-12-12 JJP 9-11-12 81 EC CRD10B-1"-HB SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 82 EC PAGE 3 ADDED TO.PDF DOC. 23857 APPR: MJW 5-2-15 CHK: DWN: ESS 5-2-15 JJP 4-13-15 83 EC SEE DETAIL A 83 83 DETAIL A XR-21 XR-21A-4 XR-21A-3 XR-21A-5 DPI-2-1A XR-21A-2 XR-21A-1 F I L T E R XR-21B-4 XR-21B-3 XR-21B-5 DPI-2-1B XR-21B-2 XR-21B-1 F I L T E R F-18A F-18B

3-127 A & B BOTTLE SIZE TYPE "G" NITROGEN ACCUMULATOR N CHARGING SYSTEM NO. A-2 SCRAM VESSEL REACTOR CONTROL UNIT ARE PREFIXED BY 3-13. NOTE: ALL EQUIPMENT NUMBERS WITHIN (CONTROL UNIT SUPPLIED BY G.E.) (TYPICAL FOR 121 UNITS) HYDRAULIC CONTROL UNIT 3/4"-JD SCRAM VALVE PILOT AIR CHANNEL A CHANNEL B DRIVE ROD CONTROL NH-36244 CONTROL UNIT M-118 TEST CONNECTION 127 CV CRD-114 A B 6 CONTROL UNIT TO HERE 4" OR 6"-DB SCRAM DISCHARGE HEADER CRD-116 "-JD CRD-112 TEST CONNECTION P5 3/4"-DC G.E. B. (E,3) (E,2) NOTE: VALVE IS A DUAL SOLENOID THREE WAY POPPET VALVE CONTAINED IN ONE VALVE BODY AND SCHEMATICALLY FUNCTIONS AS DEPICTED. L O C C05 EXHAUST 127 POS (E,6) NH-36244 M-118 G.E. B. NH-36245 TEST CONNECTION C D E B. HIGH POINT VENT 3/4"-460M3 CONTROL UNIT TO HERE G.E. CRD-102 P4 CRD-140 FOLLOWING BALL CHECK FLUSH INSTALL VALVE FROM N.E. X-38 SLOPE "/FT A THRU D 3/4"-DC P1 1"-DE EXHAUST WATER TEST CONNECTION CRD-105 "-DC ELEMENT 136 FILTER 121 SV 6 122 SV P2 CRD-137 CRD-103 (E,6) B. G.E. NH-36244 M-118 "-DC TO HERE 126 CV 1/2"-DC 5 TUBE FITTING N CHARGING SYSTEM 2 WITH CAP P6 129 LD ELEMENTARY PROTECTION FROM REACTOR EAST L H L C54 WEST L H L C72 CONTROL UNIT TO HERE LAH PAL C05 DIAGRAM N2 CRD-111 131 PI 130 PS L O C C05 H2O 126 POS 4 1"-DC ACCUMULATOR CHARGING WATER ACCUMULATOR 132 PSD CRW 125 (D,6) CRD-115 CRD-113 CRD-107 N2 NH-36244 M-118 G.E. B. 2444 PCV TO HERE CONTROL UNIT PCV 2445 CRD-138 CRD-104 1"-DC COOLING WATER "-DC TEST CONNECTION HIGH POINT VENT X-37 A THRU D SLOPE "/FT FOLLOWING INSTALL FLUSH 1"-DC INFORMATION TO POSITION TE SYSTEM POS DRIVES OTHER FROM CONTROL UNIT TO HERE B. G.E. CRD-139 1"-460M3 CRD-101 A H C05 1" CRD005 3-243 TSC 3-244 TR C59 C59 FILTER ELEMENT 134 G.E. TO HERE CONTROL UNIT 1"-DC DRIVE WATER (D,6) B. 5 120 SV 123 SV CRD-86 135 P3 WITHDRAW WITHDRAW INSERT INSERT SETTLE DIAGRAM ELEMENTARY CONTROL FROM MANUAL A H C05 ORW TO HERE CONTROL UNIT FILTER ELEMENT G.E. CRD-75 (D,6) M-118 B. NH-36244 4 3-32A CV PI L O C C05 3-32C CV L O C C05 CRD-84 PI "-CCD (TYP) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT AT CAP P6 REQUIRED TO HCU'S HOOK-UP AS TO INDIVIDUAL 3-29 SV SYSTEM PROTECTION REACTOR 3 VENT 2442 RV A & B BANKS (TYP) 2 CRD-201-1 1/4"- CRD-201-2 3-232B PI 3-232A PI 2443 "B" BANK "A" BANK RV SUPPLY CRD AIR HEADER 70 - 75 PSIG NH-36244 M-118 (E,4) CRD-203-2 CRD-202-2 1/4"- CRD-202-1 CRD-203-1 1/4"- 3/4"-73 CRD-76 AI-216-6 CO5 5A-S11 HS PI "-JD 2 SCRAM DISCHARGE PIPING CHANNEL B CHANNEL A ND 3-31A SV NE 3-31C SV NE NE 3-31B SV 3-31D SV NE CRD-77 CRD-78 SLOPE="/FT NH-36043 M-137 (E,4) CRD16A-2"-CCD CCD 1"-CCD (TYP) 7428G LS 7429A LS "-CCD (TYP) 7430A LS 7428H LS (TYP) 3-33A CV L O C C05 ORW 3" 3-33C CV L O C C05 PI CRD-90 CRD-88 7428A LS CRD16A-24"-CCD PI 7428B LS 3 TYP 15 UNITS CRD13A-4"-DB FROM HYDRAULIC CONTROL UNITS TYP 15 UNITS FROM HCU CRD15A-4"-DB CRD14A-6"-DB TYP 31 UNITS FROM HCU CRD17A-1" CCD (A,6) " DC " DC (A,6) " DC (A,6) SCRAM DISCHARGE HEADERS CRD16A-12"-CCD SLOPE="/FT L O C C05 L O C C05 NH-36044 M-138 CRD-91 CRD-89 PI 7428F LS NO. A-1 SCRAM 7428E LS PI 3-33B CV (E,4) CRW 3" 3-33D CV CRD16B-2"-CCD CCD 7428C LS CRD16B-24"-CCD 7428D LS 1"-CCD (TYP) (TYP) SCRAM DISCHARGE HEADERS ROD WITHDRAWAL BLOCK NO. B-1 SCRAM (A,6) " DC (A,6) " DC (A,6) " DC CRD16B-12"-CCD CRD14B-6"-DB CRD15B-4"-DB FROM HCU TYP 16 UNITS TYP 13 UNITS CRD13B-4"-DB CONTROL UNITS FROM HYDRAULIC TYP 31 UNITS FROM HCU 2 NH-36245 MONTI CAD DWG ` ' M-119 REV 1 P&ID CONTROL ROD HYDRAULIC SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm SCALE: NONE 79 M A B CRD-87 NO. B-2 SCRAM C 7429B LS 7430B LS L O C C05 CRD17B-1" CCD CRD-85 PI PI L O C C05 3-32B CV CRD-74 ORW 3-32D CV DWN: APPR: APPR: CHK: DWN: CHK: 77 76 12044 JSO 3-25-09 KEC 3-25-09 JJP 3-25-09 EC REVISIONS JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 EC A/R C D E 20150 APPR: DAM 8-12-12 CHK: DWN: PEB 8-9-12 JJP 8-8-12 78 EC N.E. 117 SV 118 SV EXHAUST SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC.

(B,2)(B,6)(C,2)&(C,6) (VLV POSITION INTERLOCKS) (A,3) L.O. L.O. BKR B1119 PUMP P17 TORUS C03 10A-S10B HS BKR 4323 OR REACTOR VESSEL LOW LOW LEVEL WITH REACTOR LOW R.H.R. SERVICE WATER AIR SET AI-636 TW19-14"-GE (10-65B) MO-14"-N138 NH-36049-13 4338 C03 10A-S13B HS BKR RV 2005 RV51-1 1/2"-HB WHEN SHUTDOWN CLG. SUCTION VALVE MO-1989 IS CLOSED (EXCEPT IN ASDS MODE) PERMISSIVE TO OPEN NH-36246 M-121 TO FR10-143 NH-36247 FROM E/S 7251B TO CROSS-TIE MO-14"-N26 (C,2) PS-10-118 TR-23-115 NH-36247 NH-36247 4328 TC's TO HS S81 C292 NH-36247 FI 4105 NH-36247 PS-10-122A A 10-132B 7188 C03 F RSW103 FI B M-121 M-121 C03 HS E/S 4099 FROM (B,2) FROM (C,6) FROM M-121 M-121 (C,4) (B,2) C D RHR103 F E dPY 4103 L O C C03 MO 2009 MO-10"-N138 PAS-57-4 RHR-46-2 SX 2898 RHR-5-2 14"-N26 HS S07 C292 FS-10-123A M-121 FROM E/S 4100 NH-36247 (D,2) dPIC 10-130B NH-96042-1 TW23-12"-GE TW22-14"-GE TW20-14"-GE R.H.R. SERVICE WATER (C,4) NH-36664 M-112 10-99B TE 10-93D SEE NOTE 6 SEE NOTE 6 ISO C292 4105 E/S 4101 FROM FY SW10-18"-GF C03 10A-S7 HS (10-20) HS S25 C292 XFER A H RHR105 PS 10-122B T C292 MO 2033 BKR 10-97B C129B FT RHR107 T RHR-38-2 6 C E/S 4101 A C03 L dPI 4103 10-130B1 dPI CRW C292 C03 10-96B RHR-37-2 M-112 NH-36664 TW20-14"-GE PI PI 10-115B RV54-4"-HB RV 4282 FE (C,3) TE 10-94D L.O. D190-1"-GE 1"-19 1"-130 RV54-2 1/2-HB C217 RHR-53-2 (B,7) HS 7188 C03 FT 10-109B 10-139B C03 FI ORW 1" FE 10-108B FE 10-110B FT14-40B FT10-97B FT 10-111B FI 4106 C292 ISO TO PAS SYS HS S25 C292 (10-34B) XFER C03 10A-S12B HS 4337 BKR FS 10-123B A L C03 HS S09 C292 FY 4106 C292 FROM FI 7188 C03 6 E/S 4101 FROM BKR C03 10A-S16B HS TE 10-94B POSITIONER TW20-14"-GE CIT 10-113B R.H.R. HEAT HS S10 C292 SW12-16"-GF dPC 4103 dPY 4109 C129B 10-91B dPT HS S25 C292 dPS 10-92B 4100 E/S ISO C292 C03 XFER E/S C292 4100 E/S C292 4100 CV 1729 CE 10-112B V128-1"-GE EXCHANGER NOTE 6 ORW SEE TE 10-93B C129B C217 E-200B 12 (10-2B) SV 1729 E/P 1729 AI-637 SET AIR AIRREG 1729 MO 2003 HS S25 C292 SEE NOTE 6 RSW101 10-117B RHR-4-2 14"-N26 A H C03 L.O. PI T 4210 C217 C XFER RHR109 L.O. C L O C C03 RHR-65-2 HS S25 C292 (10-39B) MO 2007 10-136B TW24-12"-GE HE GE XFER L O C03 FI C03 TW25-4"-GE HE GE TW24-12"-GE RHR101 F BKR C03 10A-S14B HS 4208 MO-12"-N26 (10-38B) MO-4"-N138 CONN. MO 2011 3/4" LEAK TEST TW23-12"-GE TW20-16"-GE REACTOR VESSEL LOW LEVEL INTERLOCKS (PERMISSIVE TO OPEN VALVES MANUALLY) DRYWELL HIGH PRESSURE AND AUTOMATIC VALVE ACTUATION SIGNAL (DRYWELL HIGH PRESSURE OR REACTOR VESSEL LOW LEVEL. SEE FUNCTIONAL CONTROL DIAGRAM FOR ADDITIONAL INTERLOCKS) VALVES MANUALLY) INTERLOCK (PERMISSIVE TO OPEN REACTOR VESSEL LOW LEVEL (CLOSE) M-114-1 NH-85509 FROM CONDENSATE SERVICE WATER HS S12 C292 LOOP "B" 3/4"-163 AI-610-2 ORW RHR-30-2 RHR-69-2 N.E. RHR-30-4 10"-N234 RHR-2-4 D81-2"-GE HS S08 C292 RHR-59-2 3/4"-19 D80-2"-GE 10"-N234 RHR-2-2 K-10B RHR AUX COMP AI-151 RHR-55-2 ENERGIZED WHEN RHR SW. PUMPS ARE RUNNING FE 10-121D FE 10-121B RHR-56-2 AI-243-2 AI-244-2 AI-638 5 AI-1088 NH-36664 (A,3) M-112 TW19 TW20 M-131 (A,6) A/S TW19-10"-GE 3/4"-163 AI-610-4 TW19-10"-GE A/S RHR-58-2 M-131 NH-36049-13 (A,6) RV 4908B FILTER ACCUMULATOR FS 10-121D RHR-3-4 10"-N26 NH-36049-13 C03 10A-S25B HS FS 10-121B 10"-N26 RHR-3-2 L L.O. (A,6) M-131 A/S T-75D L L.O. HS S25 C292 XFER 2"-19 2"-19 AI-645-4 3/4" RHR-68-2 RHR-67-2 5 LEAK CONN. TEST L.O. AIR SET (10-153D) L O C C03 7193 RHR-54-2 START & STOP RHR-57-2 B4454 PS DT ORW TW19-10"-GE C03 10A-S25D HS T-75B ACCUMULATOR (10-153B) SV 1995 N.E. TO A.C. INTERLOCK TW19-10"-GE PS 10-105B SV 1997 PS 10-105F CV 1997 L O C C03 CV 1995 NH-36247 MTR HTR L36-8 SEE TYP. DETAIL VENTS & DRAINS FOR PUMP 4 M-121 C129B BKR 152-604 P-202B (10-3B) P-202D MTR HTR L36-10 BKR 152-603 (10-3D) C129B SET AIR AI-645-2 14 R.H.R. PI 10-107B 12 PUMP PI 10-107D PUMP R.H.R. RHR-88-2 PS-10-119A,B,C,D LS-2-3-73A,B FROM CONDENSATE SERVICE WATER NH-85509 M-114-1 NH-36242-1 SC10D-2"-GE (A,3) (E,6)(E,2) M-116-1 FROM RHR-89-2 CGC3B-2"-CA GE RHR-90-2 NH-36258 FROM M-143 (D,4) CST-91 2"-130 (CLOSE) TW9 SC29B-2"-GE 4 98A THRU 98H TYPICAL OF 8 ( ) HE GE (MOV POSITION INTERLOCKS) TO A.C. INTERLOCK PS 10-105H (B,5) C03 10A-S2B HS (RECIRC) TW21-2"-GE (RECIRC) TW21-2"-GE TW17-14"-HE C03 10A-S3B HS TW15-14"-HE HS S25 C292 XFER TE 10-98A TO TR-4926 REACTOR WATER M-128 CLEANUP SYSTEM NH-36254 (D,2) PS 10-105D (CLOSE) TW25-4"-HE (OPEN) NH-36248 TW24-12"-HE M-122 CST-93 2"-130 (A,6) RHR-8-2 3"-N237 RO 2001 TD5-4"-HBD PI 10-106B RV 1993 M-143 (START ON HIGH DRYWELL PRESSURE NH-36258 (D,3) PI 10-106D RV 1991 TD5-5"-HBD 3 dPT 7845B BS F-4 RV49-1 1/2"-HB RO 1999 dPI 7846B RV47-1 1/2"-HB dPT 7845D ORW ORW HE GE FI 4"-237 DRW-109 4240 DRAIN DRW-111 1"-19 X-320A-D CONDENSATE STORAGE (TEST) NH-36039 M-108 SUSTAINED FOR LOW LOW LEVEL REACTOR VESSEL PRESSURE OR M-116 NH-36242 15 MINUTES RHR-1-4 14"-N29 14"-N29 RHR-1-2 NOMINAL) 1" 1" 4"-142 DRW-108 3/4"-19 DRW-110 RHR-18-2 20"-N29AB FROM (A,4) OPEN ON REACTOR LOW PRESSURE) (PERMISSIVE TO TW23-12"-GE X-211A X-210A MO-16"-NW123D (SEE NOTE 1) PS-2-3-52B TW20-16"-GE TW8 FROM M-116 NH-36242 (E,5) 3 BKR (10-27B) 4335 X-204A-D 10" MO 2013 DB GE REACTOR VESSEL R-200 (2-1) MO 4085B TW40-4"-DBA NOTES: VALVE MARK NUMBER WITH PREFIX "W" INDICATES ASA 600 LB VALVE RATED AT 1248 PSI/563°F PER MSS-SP-66. ALL MOV HAND SWITCHES INDICATED L.C. OR L.O. HAVE KEY LOCKS. ALL MOV'S INCLUDE HAND SWITCH & POSITION LIGHTS IN IN CONTROL ROOM. DRAIN CONNECTIONS ON RHR PUMP SUCTION & DISCHARGE TO BE PROVIDED WITH HOSE AND PORTABLE CONDUCTIVITY CELL TO FLOOR DRAINS. SEE NOTE 4 ON DWG. NO. M-121, NH-36247. COMBINATION TC/RTD PROBES. RTD'S TO LOCAL JUNCTION BOX ONLY (NJ5304). TE-10-93B-1 (TC), TE-10-93B-2 (RTD) TE-10-93D-1 (TC) (SPARE), TE-10-93D-2 (RTD) TE-10-94B-1 (TC), TE-10-94B-2 (RTD) TE-10-94D-1 (TC), TE-10-94D-2 (RTD) P&ID RESIDUAL HEAT REMOVAL SYSTEM This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. Energy MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY D93-1"-HE DLA VALVE LEAKAGE TEST CONN. RHR-34 1"-19 RHR-74-2 MO 2023 C03 10A-S11B HS DRW-122 REMOVABLE SPOOL PIECES INSTALLED FOR TORUS DRAINING NH-96042-1 D82-3"-HE RHR-10-2 (C,3) TD5-4"-HBD TD5-3"-HBD TORUS RING HEADER XFER TW14A TW14A-20"-HE PIECE INSTALLED FOR REMOVABLE SPOOL TORUS DRAINING HS S06 C292 HS S25 C292 C03 10A-S4B HS L.O. C11 PAS SYS FROM TD5-3"-HBD HE (A,7) HBD (10-13B) MO 1987 TW27-20"-HE MO 1989 MO-18"-N29 RHR-13-2 1"-19 TW14A REW10 2 ORW (10-15B) 4321 PAS-57-7 1"-19 DRW-113 3"-N29AB C03 10A-S6B HS BKR POS 3140 X-224A MO-20"-N29AB B C D A REW10-18"-HE RHR-78-2 M-143 NH-36258 (D,5) RHR-77-2 3/4"-19 L O C C03 BKR 4339 C03 10A-S9B HS RHR-75-2 RHR-16-2 3/4"-130 D100-3/4"-GE D97-3/4"-DB MO 2015 C03 10A-S8B HS 3/4"-19 (SEE NOTE 1) SUPPRESSION CHAMBER TORUS MO-16"-NW14DU X-213A ORW BKR 4334 (10-26B) MO-10"-N26 RHR-76-2 MO 2021 X-29E TEST CONN. D58-1"-DCA VALVE LEAKAGE (10-25B) 3/4"-130 RHR-12-2 3/4"-130 RHR-11-2 RHR-31-2 X-13A RHR-33-2 1"-130 1"-CCA DB RHR-64 RHR-43 3/4"-130 AIR TEST CONN. RHR-17-2 3/4"-130 D180-1"-GE 2 (PERMISSIVE TO OPEN WHEN TORUS SUCTION VALVE MO-1987 IS CLOSED) DISCHARGE VALVE OPEN WHEN TORUS (PERMISSIVE TO MO-2007 IS CLOSED) V129-3/4"-HE RHR LOOP "A" NH-36247 M-121 FROM (B,5) 3/4"-130 RHR-48 Xcel 1. 3. 2. 4. 6. 5. 1"-CCA RHR-32-2 RHR-73-2 3/4"-130 RHR-24-2 3/4"-130 16"-NW14 RHR-6-2 SEE NOTE 1 TW20-16"-DLA RHR-25-2 INSIDE OF DRYWELL AO 10-46B DLA CRW DC DB DCA V34-3/4"-DB CLOSE 4" VENT L O C C03 BKR 4209 X-39A MO-10"-N26 (10-31B) RHR-50 TW23-10"-GE L.O. RHR-72-2 L O C C03 DLA 4331 4" BKR L.O. CO4 2A-S9B HS POS 2019 DBA DLA DCA M-120 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A BJR 3-11-08 JJP 11-18-10 BAL 11-30-10 AVW 12-1-10 17164 14867 RMG 3-12-08 JJP 9-23-09 BAL 9-23-09 ERF 9-23-09 BAT 4-8-11 DDW 4-13-11 CVB 4-13-11 15557/16563 01121715 JJP 3-5-08 REVISIONS 17932 IRL 6-29-11 BAL 6-28-11 JJP 6-28-11 20263 KMF 6-27-12 BAL 6-22-12 JJP 6-21-12 JEB 5-1-13 BAL 4-29-13 JJP 4-29-13 NH-36246 SCALE: sm NONE 1 M-121 NH-36247 REACTOR RECIRCULATING PUMP P-200B (2-2-1B) RHR-70 NH-36247 RHR-71 M-117 NH-36243 (D,6) 18" M-121 (C,6) (E,6) CHK: APPR: CHK: DWN: APPR: CHK: DWN: 81 APPR: 80 APPR: CHK: DWN: 82 EC EC EC 20651 DWN: CHK: 77 APPR: DWN: 76 DWN: CHK: 78 DWN: CHK: APPR: 79 APPR: 1 EC EC EC A/R EC 11951 REV AV 84 A B C D E 21396 APPR: WMS 5-8-13 CHK: DWN: PEB 5-8-13 JJP 5-8-13 83 EC NOTE 7

7. SOLENOID VALVE SV-2017, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-10-46B HAVE BEEN ABANDONED IN PLACE: REFERENCE EC21396.

25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 84 EC PAGE 3 ADDED TO.PDF DOC.

X-50F REACTOR VESSEL R-200 (2-1) REACTOR RECIRCULATING PUMP P-200A (2-2-1A) L O C C03 X-12 RHR-20 3/4"-130 HE DB M-120 NH-36246 NH-36247 6 5 4 3 2 1 E D C B A E D A 6 5 3 4 1 2 B C REVISIONS MO 4085A VALVE LEAKAGE TEST 3/4"-130 RHR-19 MO 4086 MO 2029 MO 2030 FROM CNDS NH-85509 SERV WATER M-114-1 F RHR102 X-211B X-210B TORUS SUPPRESSION CHAMBER X-213B TORUS RING HEADER L O C C03 DC C DRW-123 ORW RHR-62 MO-20"-N29AB MO-18"-N14D5 MO 1986 (10-13A) REW10-18"-HE REW11-8"-HE TW28-20"-HE ORW RV56-1 1/2"-HB RV 2031 X-224B SC10B-2"-GE CST-89 2"-130 MO-18"-N14DU (10-17) (ISOLATION SIGNALS A,U) PS 10-118 M-120 TO ALARM REW10-18"-DB D99 D196-1"-HE RHR-13-1 1"-19 MO-18"-N29 MO 1988 (10-15A) TW28-20"-HE REW10 TW14B M-120 PUMPS B&D NH-36246 (B,2) SUCTION RHR L.O. M-135 EMERGENCY NH-36256 FUEL POOL COOLING HE PERMISSIVE TO OPEN WHEN TORUS DISCHARGE VALVE MO-2006 IS CLOSED MO-1986 IS CLOSED) SUCTION VALVE OPEN WHEN TORUS (PERMISSIVE TO PAS SYS FROM NH-96042-1 3"-N29AB RHR-10-1 L.O. RHR-1-1 14"-N29 14"-N29 RHR-1-3 (TEST) CONDENSATE NH-36039 STORAGE M-108 RHR-18-1 20"-N29AB C11 TW14B (START ON HIGH DRYWELL PRESSURE OR REACTOR VESSEL LOW LOW LEVEL WITH PAS-57-6 POS 3139 A B C D D83-3"-HE A/S AIR SET FILTER SV 1728 RHR-56-1 AI-243-1 RHR-58-1 RHR-57-1 RHR-54-1 RHR-55-1 AI-1087 (10-2A) E-200A EXCHANGER R.H.R. HEAT D184-1"-GE 1"-19 RHR-37-1 TE 10-93A 10-96A FE A C03 L C RV 4281 RV55-4"-HB C129A 10-117A PI PI 10-115A RHR-46-1 1"-130 V127-1"-GE CRW PS 10-122A NOTE 5 4" 4" TW40-4"-DBA TW40-4"-DBA DLA DB (10-18) L O C C03 POS 2018 M-117 3/4"-130 RHR-40 CRW RHR-9 18"-N14 RHR-25-1 3/4"-130 3/4"-130 RHR-24-1 V35-3/4"-DB AO 10-46A VENT 4" 4" RHR-73-1 RHR-72-1 L.O. M-117 (D,3) RHR-6-1 16"-NW-14 CRW DCA DLA DBA DLA DC DLA DB MO 2014 (10-25A) (10-27A) MO 2012 RHR-77-1 RHR-78-1 3/4"-19 3/4"-19 ORW PI 10-106C RV 1990 PI 10-106A ORW RV48-1 1/2"-HB 1" TW16-14"-HE dPT 7845A C129A dPI 7846A LOOP "A" DT AI-244-1 AI-153 NH-36049-13 M-131 (C,5) ENERGIZED WHEN RHR SW. PUMPS ARE RUNNING dPIC 10-130A C03 FROM E/S 7251A M-112 NH-36664 RHR SERVICE WATER CV 1728 TE 10-94A C129A RHR-38-1 C129A PI 10-99A WATER NH-36664 RHR SERVICE M-112 FT 10-97A E/S 10-145A FROM HS 7189 C03 C03 10-132A FI RHR104 T F RSW102 ACCUMULATOR T-75A T RSW100 K-10A RHR AUX. COMP. PANEL P73A BKR. #1 3/4"-163 AI-610-1 SET AIR L C03 C O CV 1994 RHR PUMP P-202C (10-3C) M-120 TO ALARM NH-36246 SEE DETAIL FOR PUMP VENTS & DRAINS AI-645-1 BKR 152-503 MTR HTR L35-10 MTR HTR L35-8 BKR 152-504 11 (10-3A) P-202A RHR PUMP L.O. L.O. D84-3"-GE RHR-47 3"-N26 10"-N26 RHR-3-1 RHR-2-1 10"-N234 L.O. RHR-4-1 14"-N26 L.O. 14"-N26 RHR-5-1 NOTES: VALVE MARK NUMBER WITH PREFIX "W" INDICATES ASA 600 LB. VALVE RATED AT 1248 PSI/563° F PER MSS-SP-66. 1. SEE DWG. No. 2. DELETED 3. TYPICAL SPEC. CHANGE AFTER LAST VALVE IN VENTS, DRAINS AND LEAK TEST CONNECTIONS. 4. 2. FROM PS 2-128A & PS 2-128B, PERMISSIVE TO OPEN 5. ISOLATION SIGNALS A,U 6. REFERENCE DRAWINGS: RHR FUNCTIONAL CONTROL DIAGRAM 1. RHR PROCESS FLOW DIAGRAM PUMP NUMBER P202B P202A P202C P202D SUCTION DRAIN DRAIN DISCHARGE DRAIN CASING VENT LEAKAGE SEAL VALVE No. LINE No. LINE No. LINE No. LINE No. LINE No. VALVE No. VALVE No. VALVE No. VALVE No. FIS No. RHR-44-1 RHR-44-2 RHR-44-3 RHR-44-4 D86-1"-GE D85-1"-GE D88-1"-GE D87-1"-GE RHR-36-1 RHR-36-2 RHR-36-3 RHR-36-4 D151-1"GE D137-1"GE D150-1"GE D138-1"GE RHR-23-1 RHR-23-2 RHR-23-3 RHR-23-4 D192-1"GE D194-1"GE D193-1"GE 195-1"GE RHR-35-1 RHR-35-2 RHR-35-3 RHR-35-4 V96-3/4"-GE V90-3/4"-GE V95-3/4"-GE V91-3/4"-GE 10-124-A 10-124-B 10-124-C 10-124-D RHR-22-1 RHR-22-2 RHR-22-3 RHR-22-4 D90-3/4"-GE D89-3/4"-GE D92-3/4"-GE D91-3/4"-GE SUCTION DRAIN CRW NOTE 2 DRAIN CASING DISCHARGE DRAIN SEAL PUMP SEAL LEAKAGE VENT COOLER SEAL CYCLONE SEPARATOR M-111-1 RBCCW FIS A C03 C NOTES:

1. VALVE CLASS 1"-19
2. VALVE FOR P202B (RHR-45-2) &

P202D (RHR-45-4) ONLY. 3/4"-130 RHR PUMP VENT & DRAINS DETAIL (TYP OF 4) RHR106 T TE 10-94C A H C03 TR 23-115 C21 M-120 FROM TE 10-93B-1, TE 10-94B-1 & TE 10-94D-1 & TE-2781B FROM TE-2781A M-135 3/4"-130 RHRSW-15 NH-36664 RHRSW PUMPS M-112 RHRSW-16 3/4"-130 RHRSW-17 8"-N234 3/4"-130 RHRSW-35 RHRSW-36 3/4"-130 VENT SW9-8"-GE P-109A & C C03 10-139A FI FT 10-109A FR 10-143 C03 M-120 FROM FT 10-109B NH-36246 FROM E/S 7251A TW30-14"-GE TW33-12"-GE TW22-14"-GE RV52-1 1/2"-HB RV 2004 1" TW36-4"-GE PERMISSIVE TO OPEN WHEN SHUTDOWN CLG. SUCTION VALVE MO-1988 IS CLOSED RHR100 F FE 10-108A FT 10-111A FE 10-110A FS 10-123A NH-36246 TO ALARM M-120 FI 10-136A C03 FROM E/S 7251A HS 7189 C03 FT 10-97A FI 7189 C03 MO 2006 (10-39A) L O C C03 TW35-4"-GE MO-12"-N26 TW34-12"-GE 1" NH-36242 FROM PS-2-3-52A M-116 (PERMISSIVE TO OPEN ON REACTOR LOW PRESSURE) M-114-1 SERVICE WATER NH-85509 NH-36258 M-143 2"-130 CST-95 SC10A-2"-GE SC10C-2"-GE CST-99 2"-130 NH-85509 FROM CNDS M-114-1 SERV WATER GE HE L O C C03 MO 2008 (10-34A) MO-10"-N138 HE GE RHR-65-1 3/4" LEAK TEST L O C C03 MO 2010 (10-38A) MO-4"-N138 3/4" L.O. (10-66) MO 2407 L O C C03 MO 2032 C A.C D.C (10-57) RHR-59-1 3/4"-130 RHR-67-1 RHR-68-1 RHR-69-1 (ISOLATION SIGNALS A,U) MO-4"-N26 TW37-4"-GE LEAK TEST CONN. (10-65A) MO 2002 MO-14"-N138 SX 2897 CE 10-112A TW22-14"-GE CIT 10-113A C RHR108 A H C03 TO PAS SYS NH-96042-1 TW30-14"-GE PAS-57-5 C C217 C217 C217 L.O. RHR-7 14"-N26 1"-19 RHR-41 FPW12-8"-GE 1" DRAIN TW29 TW30 FE 10-121A FS 10-121A L TW29-14"-GE TW29-10"-GE TW29-10"-GE SV 1994 PS 10-105A PS 10-105E PI 10-107A C129A (10-153A) TW31-2"-GE N.E TO A.C. INTERLOCK dPT 7845C C129A PI 10-107C RHR-3-3 10"-N26 TW29-10"-GE 10"-N234 RHR-2-3 PS 10-105G PS 10-105C L FS 10-121C FE 10-121C TW22-14"-GE M-120 ORW PC-35 1"-19 1"-19 PC-36 D95-1"-GE D96-1"-GE HC GE GE TO A.C. INTERLOCK SV 1996 SET AIR CV 1996 T-75C ACCUMULATOR RV50-1 1/2"-HB ORW RV 1992 1" TW31-2"-GE (RECIRC) TW34-10"-HE TW30-16"-GE TW35-4"-HE TW31-2"-GE (RECIRC) FUEL POOL EMERGENCY COOLING NH-36256 NH-36045 M-139 M-135 NH-36246 MO 2033 CORE SPRAY M-122 NH-36248 TW12 WASTE SURGE TANK CROSS TIE GE DB MO-16"-NW123D 3/4"-130 RHR-11-1 RHR-12-1 3/4"-130 (VALVE POSITION INTERLOCKS) TW30-16"-DB D98-3/4"-DB HE GE DCA DB 1"-CCA RHR-31-1 RHR-32-1 RHR-33-1 TW13 3"-N237 RHR-8-1 RO 2000 RO 1998 X-13B D57-1"-DCA VALVE LEAKAGE TEST CONN. MO-16"-NW14DU SEE NOTE 1 SEE NOTE 1 M-122 NH-36248 L O C C03 (10-153C) N.E. 3/4"-163 AI-610-3 AI-645-3 A/S HE GE TW18-14"-HE (MOV POSITION INTERLOCKS) C129A HB ED V45-3/4" INSIDE OF DRYWELL VALVE LEAKAGE TEST CONNECTION C SEE NOTE 6 DCA ED DLA 3/4"-130 RHR-26 RHR-27 VENT RHR-49 CRW X-17 RHR-75-1 MO-10"-N26 MO 2022 L O C C03 10" 3/4" GE X-39B RHR-76-1 RHR-17-1 RHR-16-1 VALVE LEAKAGE TEST CONN. 3/4"-130 3/4"-130 D101-3/4"-GE AIR TEST CONN. REFUELING SEAL RHR-74-1 MO 2020 TW33-10"-GE TW33-12"-GE RHR-63-2 RHR-63-1 (10-31A) MO-10"-N26 (10-26A) L O C C03 POSITIONER AI-634 AI-633 AI-635 NH-36042-2 (D,4) (D,6) (C,6) (D,6) (B,6) (B,4) (B,5) (B,4) (C,1) (A,4) (C,5) NH-36049-13 M-131 (B,2) (B,2) (C,6) (C,2) (B,6) (C,1) NH-36243 NH-36243 (C,4) (E,2) (A,4) (A,4) MO-4"-N26 10-92A dPS 10-91A dPT 3/4"-130 E/P 1728 M-122 NH-36248 TO FT 14-40A (A,2) (E,2) ORW PC-18 PC-1 (C,5) M-131 NH-36049-13 A/S (D,2) M-117 NH-36243 (C,5) (D,3) NH-36258 M-143 ON LOW PRESSURE. NOTE 5 HB MAIN LINE CLASS (C,3) ORW PS 7192 11 13 ORW ORW C03 16A-S9 HS BKR 3333 3309 BKR C03 10A-S11A HS C03 10A-S9A HS BKR 3339 C03 10A-S8A HS 3334 BKR C03 10A-S10A HS BKR 3335 BKR 3331 C04 2A-S9A HS C03 16A-S10 HS BKR 31307 C04 2A-S10A HS BKR 3332 C03 10A-S4A HS BKR 3321 BKR 3322 C03 10A-S6A HS C03 10A-S25C HS C03 10A-S2A HS C03 10A-S3A HS C03 10A-S16A HS C03 10A-S25A HS BKR 3336 BKR 31310 C03 16A-S14 HS C L O C C03 C03 16A-S13 HS BKR 4211 C03 10A-S13A HS BKR 3338 BKR 3337 C03 10A-S12A HS C03 10A-S14A HS BKR 3341 NH-36246 (B,6) NH-36256 (B,4)(C,6) RV 4908A (B,7) L.O. DRYWELL HIGH PRESSURE AND VALVES MANUALLY) INTERLOCKS (PERMISSIVE TO OPEN REACTOR VESSEL LOW LEVEL FROM (CLOSE) REACTOR VESSEL LOW LEVEL INTERLOCK (PERMISSIVE TO OPEN VALVES MANUALLY) (E,6)(E,2) NH-36242-1 M-116-1 (D,4) NH-36258 M-143 FROM PS-10-119A,B,C,D LS-2-3-73A,B (OPEN) FOR ADDITIONAL INTERLOCKS) SEE FUNCTIONAL CONTROL DIAGRAM OR REACTOR VESSEL LOW LEVEL. SIGNAL (DRYWELL HIGH PRESSURE AUTOMATIC VALVE ACTUATION (CLOSE) FROM CONDENSATE CONN. (CLOSE) M-120 RHR-53-1 3/4"x1/4" RHR-79 RHR-80 NX-7905-4 NX-7905-6-1, 2 & 3 FROM ABANDONED COMBINATION TC/RTD PROBES. RTD'S TO LOCAL JUCTION BOX (NJ5303). TE-10-93A-1 (TC), TE-10-93A-2 (RTD) TE-10-93C-1 (TC) (SPARE), TE-10-93C-2 (RTD) TE-10-94A-1 (TC), TE-10-94A-2 (RTD) TE-10-94C-1 (TC), TE-10-94C-2 (RTD) 7. 10-93C TE SEE NOTE 7 SEE NOTE 7 SEE NOTE 7 SEE NOTE 7 RHR-83-1 RHR-85-1 RHR-83-2 RHR-85-2 RHR-82 RHR-84 RHR-81 REW10-1" DC NH-36246 (B,6) X-204A-D X-320A-D (NH-36246) (B-6) SERVICE WATER M-114-1 FROM CONDENSATE RHR-87 RHR-86 SC29A-1"-GE REACTOR LOW PRESSURE OR REACTOR LOW LOW LEVEL SUSTAINED FOR 15 MIN.) (B,2)(B,6)(C,2)&(C,6) NH-36242 M-116 (ISOLATION SIGNALS A,U) M-112 NH-36664 (C,4) RV55-2 1/2-HB ORW CGC3A-2"-CA RHR-90-1 3/4"-19 GE RHR-89-1 RHR-88-1 CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 76 JJP 3-5-08 11951 01121715 A/R EC NH-36247 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-121 AV Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RESIDUAL HEAT REMOVAL SYSTEM REV 85 14867 APPR: ERF 9-23-09 CHK: DWN: BAL 9-23-09 JJP 9-23-09 77 EC 1728 AIRREG 14831 APPR: BAD 10-12-09 CHK: DWN: BAL 10-7-09 JJP 10-6-09 78 EC 17164 APPR: AVW 12-1-10 CHK: DWN: BAL 12-1-10 JJP 11-18-10 79 EC 15557 APPR: VJK 4-7-11 CHK: DWN: DDW 4-6-11 BAT 4-3-11 80 EC 17932 APPR: IRL 6-29-11 CHK: DWN: BAL 6-28-11 JJP 6-28-11 81 EC 19350 APPR: SWK 4-18-12 CHK: DWN: PEB 4-17-12 JJP 4-17-12 82 EC TO PAS SYSTEM NH-96042-1 REW10-1"-HE SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 21396 APPR: WMS 4-19-13 CHK: DWN: PEB 4-19-13 JJP 4-19-13 83 EC NOTE 8

8. SOLENOID VALVE SV-2016, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-10-46A HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396.

20651 APPR: CHK: DWN: JJP 4-29-13 84 EC BAL 4-29-13 JEB 5-1-13 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC.

(C,6) NH-36242-1 NH-36258 DLA X-226B 12"-N29AB REACTOR VESSEL INSTRUMENTATION ABOVE CORE PLATE) (FROM PRESSURE M-116-1 TORUS SUPPRESSION CHAMBER POS 1757 C03 14A-S3A HS V98-1"-GE D76-1"-GE 2"-130 CS-10-2 HS S05 C292 FROM E/S 4100 FROM E/S 4101 TW7-10"-GE NH-36248 A B C D E (WEST SIDE) CONDENSATE STORAGE 6 NH-36039 (B,4) M-108 (TEST) C12-12"-HB 12 12"-N29AB PI 14-36B 3/4"-19 CS-4-2 HB C12 CS-3-2 HE HB HE TW6 AUTO BLOWDOWN FT-10-111B FT-10-97B CS-14-2 1/2"-19 ORW (C,1) SERVICE WATER NH-36664 M-112 EMERGENCY AC INTERLOCK CRW 3/4"-19 CS-15-2 NH-36246 NH-36664 M-112 (D,6) M-120 (D,4) 6 HB 2"-19 10"-N234 3/4"-130 CS-5-2 CS-9-2 CORE SPRAY TW7-2"-GE CS-8-2 PS 14-44D PUMP (14-1B) P-208B 1/2"-GE 3/4"-GE MOTOR COOLING MOTOR COOLING (14-10B) 14-52B C19 E/S 14-48B PT 14-38B C03 PI TX 2469 TW7-10"-GE PS 14-44B L-36-9 MOTOR HEATER BKR 152-605 VENT CRW ORW RV-42-2"-HB HS 7188 C03 FI 7188 C03 RV 1746 GE 2" H M-124 NH-36250 X-16A BKR 4324 (14-12B) (OPEN ON AUTOMATIC INITIATION (NOTE 1)) XFV-83 A H C03 3"-237 DRW-131-4 L D154-1"-GE ECCS AREA DRAIN A H PUMPS-100 GPM D78-2"-HE CS-2-2 TW6-12"-HE ORW CRW 2"-19 5 EACH LS 3403 LS 3400 H H L L C03 BKR 4349 DRW-131-3 L C03 3"-237 P-88C BKR 4350 P-88D LS 3401 SERVICE WATER CONDENSATE TW8-8"-HE RO 1748 (CLOSE ON AUTOMATIC INITIATION (NOTE 1)) (14-26B) BKR 4327 MO 1750 BKR 4325 CS-24-2 (14-11B) CS-26-2 3/4"-19 3/4"-19 CS-25-2 MO-6"-N138 C03 14A-S5B HS RO 1744 GE HS S26 C292 L.O. XFER CS-6-2 CS-7-2 1"-19 1"-19 CS-17-2 CS-16-2 HE RO 2855 NH-36246 (C,4) RHR TEST LINE M-120 TW9-2 1/2"-HE GE HE TW8-8"-GE FE 14-39B 14-50B FT 14-40B FY 4104 C03 FI 4104 F CSP101 C292 ORW ISO C292 FI SC29-2"-GE NH-85509 (A,5) M-114-1 5 C03 14A-S4B HS TEST CONN. VALVE LEAKAGE TW24 TW4-4"-HE HS 42-4349/CS TO TORUS ROOM 3"-HC HS S04 C292 HS S26 C292 XFER HS 42-4350/CS X-204A-D (B,5) HPCI dPIS 14-43B C121 ED C HB 1"-972 (C,2)&(C,6) REACTOR VESSEL INSTRUMENTATION NH-36242 TW7-8"-ED MO-8"-NSP14D C03 14A-S16B HS A H C03 PS 14-47B C03 14A-S2B HS HS S02 C292 LT16-3/4"-ED MO 1752 ED GE XFER HS S26 C292 HS S03 C292 MO-8"-N14D CS-11-2 3/4"-130 3/4"-130 CS-12-2 C03 14A-S1B HS XFER HS S26 C292 M-116 HS S01 C292 C03 14A-S3B HS MO-12"-N29AB (14-7B) 4 BKR 4326 XFER HS S26 C292 MO 1742 CS-1-2 12"-N29AB L.O. CS-1-1 NH-36242 TYPICAL OF 2 SPACED 180° APART (B,2)&(B,6) M-116 POS 1758 ECB CS-23-2 CS-21-2 CS-20-2 1"x3/4" TORUS RINGHEADER TORUS ACCESS HATCH X-200A/B X-50A 3/4"-19M3 I-X50-R-A CS-22-2 FG 3478 ED DBB HBD CRW ED HBD HBD ED ED DBB ECB REACTOR PRESSURE) M-116 NH-36242 REACTOR VESSEL INSTRUMENTATION (E,2)&(E,5) FROM PS 2-3-52A (PERMISSIVE ON LOW & PS 2-3-52B NOTE 5 14-13B AO ED MO 1754 DLA L O C C03 TW7-8" DLA CS-13-2 8"-N14 ED 4 INITIATION (NOTE 1) START PUMPS ON AUTOMATIC X-226A 1"-130M3 REACTOR VESSEL DLA L.O. This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT M-121 NH-36247 NH-36664 M-112 CORE SPRAY CHECK VALVE DESIGN SPEC. E82FR01-01 FOR PIPE CLASS CORE SPRAY ELEMENTARY DIAGRAM (GE729E817) NX-7833-21-(1 THRU 5) CORE SPRAY SYSTEM PROCESS FLOW DIAGRAM (GE161F301) NX-7833-4 CORE SPRAY SYSTEM F.C.D. (GE729E239) NX-7833-3 CORE SPRAY SYSTEM F.C.F. (GE153F722) NX-7833-1-2 REFERENCE DRAWINGS: 14-52A TO TORUS ROOM HS 42-3350/CS TW12-8"-HE LT15-1"-ED TW11-8"-GE 1751 (CLOSE ON AUTOMATIC INITIATION (NOTE 1)) P-88B BKR 3350 DRW-131-1 3"-237 MO 1741 BKR 3326 L.O. 3 MO-12"-N29AB (14-7A) BKR 3349 DRW-131-2 P-88A 3"-237 LS 3398 H L 3"-HC 2"-19 D79-2"-HE CS-2-1 L C03 ORW L C03 (OPEN ON AUTOMATIC INITIATION (NOTE 1)) CS-22-1 BKR 3324 EF CRW 20"Ø TORUS RING HEADER M-143 (D,3) ECB ED HBD HBD 3/4"-19M3 I-X27-R-C FG 3477 X-27C CS-13-1 8"-N14 TW11-8" L O C C03 ED L.O. DLA DBB ED ECB ED ECB DLA CS-23-1 NOTE 5 1"x3/4" CS-21-1 CS-20-1 14-13A AO ED DBB HBD ED LT15-3/4"-ED 3 dPIS 14-43A HS 42-3349/CS X-320A-D RCIC PUMP NH-36252 MIN. FLOW (B,5) M-126 1"-972 XFV-82 A H C03 C FW6-2"-HE TW34 3"-HC C03 14A-S4A HS C121 INSTRUMENTATION REACTOR VESSEL CS-25-1 3/4"-19 3/4"-19 CS-26-1 VALVE LEAKAGE TEST CONN. C03 14A-S1A HS 1"-130 CS-19-1 1"-130 CS-18-1 TW11-8"-ED CS-11-1 3/4"-130 MO-8"-N14D 3/4"-130 CS-12-1 X-16B HB ED (14-12A) ORW 1753 MO (C,2)&(C,6) NH-36242 M-116 MO-8"-NSP14D C03 14A-S16A HS A H C03 PS 14-47A HB ED ED MO (EAST SIDE) D153-1"-GE (B,4) NH-36039 CONDENSATE STORAGE (TEST) M-108 PUMPS-100 GPM ECCS AREA DRAIN 12"-N29AB 3/4"-19 CS-4-1 TW10 HE LS 3399 HB HE CS-3-1 C14 HB EACH LS 3402 H L H 2 C14-12"-HB TW10-12"-HE A C06 CRW PI 14-36A 11 L.O. V97-1"-GE D77-1"-GE 2"-130 CS-10-1 RO 2854 2"-223 FROM E/S 7251A CST-103-1 TEST LINE NH-36247 RHR TEST 2"-HE M-121 (C,5) LINE TW13-2 1/2"-HE BKR 3327 (14-26) RO 1747 MO 1749 TW12-8"-GE RO 1743 CS-6-1 1"-19 CS-7-1 HE 1"-19 CS-16-1 CS-17-1 C03 14A-S5A HS GE MO-6"-N138 GE HE SC30-2"-GE 2"-223 CST-104-1 CS-28-1 CS-27-1 1" CS-24-1 GE C03 14A-S2A HS (14-11A) BKR 3325 FE 14-39A F CSP100 FT 14-40A 1" SC30-3/4"-GE 2 TW11-10"-GE MOTOR HEATER 2"-19 10"-N234 CRW CS-9-1 BKR 152-505 TW11-2"-GE CS-8-1 PS 14-44A L-35-11 VENT 2. 3. 5. 4. 1. PS 14-44C PUMP P-208A (14-1A) 1/2"-GE 3/4"-GE MOTOR COOLING MOTOR COOLING CORE SPRAY (14-10A) 3/4"-130 CS-5-1 PT 14-38A PI 14-48A C03 PCV 2458 FT-10-111A FI 7189 C03 HS 7189 C03 CST-101-1 14-50A FI C03 2" GE HB ORW 2"-19 GE CST-102-1 3/4"-19 PI 7324 HB RV 1745 RV43-2"-HB TX 2468 FT-10-97A GE HB (D,5) (D,2) FG 2630 SC30-2"-HB SCALE: P&ID CORE SPRAY SYSTEM NH-36248 Energy sm 1 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A MONTI CAD DWG ` ' NONE M-122 REV AB 85 CRW SERVICE WATER EMERGENCY NH-36664 AUTO BLOWDOWN 3/4"-19 CS-15-1 AC INTERLOCK ORW (B,1) M-112 E/S C19 CS-14-1 1/2"-19 RV46-1 1/2"-HB RV 2470 CST-100-1 3/4"-19 M-114-1 NH-85509 (C,3) ORW CONDENSATE SERVICE WATER 1 JJP 4-29-13 BAL 4-29-13 JEB 5-1-13 APPR: CHK: DWN: JJP 5-29-07 BAL 6-14-07 JJP 8-16-07 11310 01099604 EAN 6-15-07 JIH 8-20-07 BAL 8-20-07 11951 10785 REVISIONS BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 01125736 12433 JJP 4-21-08 JIH 4-21-08 BAL 4-21-08 18998 KMF 11-7-11 BAL 11-1-11 JJP 10-31-11 16693 KF 3-21-12 PEB 3-21-12 JJP 3-21-12 20651 APPR: CHK: DWN: APPR: CHK: DWN: CHK: APPR: APPR: CHK: DWN: DWN: 80 81 82 78 79 EC EC EC A/R A/R EC EC DWN: CHK: DWN: APPR: CHK: APPR: 77 76 A/R EC EC A B C D E 21396 APPR: WMS 5-7-13 CHK: DWN: PEB 5-7-13 JJP 5-7-13 83 EC AUTOMATIC INITIATION OF THE CORE SPRAY SYSTEMS OCCURS ON: A) HIGH DRYWELL PRESSURE OR B) LOW LOW REACTOR WATER LEVEL AND LOW REACTOR PRESSURE OR C) LOW LOW REACTOR WATER LEVEL FOR 15 MINUTES (NOMINAL). NOTE: 1. 2. 3. NOTE 2 NOTE 3 SOLENOID VALVE SV-1755, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-14-13A HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. SOLENOID VALVE SV-1756, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-14-13B HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. 22928 APPR: WMS 12-2-13 CHK: DWN: BAL 12-2-13 JJP 12-2-13 84 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC.

AND C03 SE 7923 SPEED TURBINE MISC TURBINE INSTRUMENTATION 23A-S19 3x2 C28-2"-HE D45-3/4"-HE TW38-2"-HE CONDENSATE PUMP P-212 TO PT 23-83 VALVE (CLOSE) XFV-84 NH-36241 MAIN STEAM HPCI-10 3/4"-130 HPCI-23 HPCI-11 3/4"-130 HPCI-75 A 6 SUPPRESSION POOL LT29B-3/4"-HE V52A-2"-HE HPCI-65 B HPCI-66 LT29A-3/4"-HE 2"-130 3/4"-130 HPCI-67 X-217 HPCI-71 2"-130 HPCI-70 LT29C-3/4"-HE HPCI-68 3/4"-130 3/4"-130 HPCI-69 C D R-200 (2-1) REACTOR VESSEL HPCI-83 RS2-20"-HE X-221 D13-2"-HE X-222 2"-19 HPCI-16 HPCI-84 HPCI-85 HPCI-82 RS2-16"-HE 20"x16" L.O. PS2-18"-ED 2300B LEAKAGE HPCI PUMP 23A-S15 NH-36049-14 4 5 FULL OPEN (D,2) MO-2036 IS CLOSE WHEN OIL PUMP P-217 HPCI TURBINE AUX. (NOT SHOWN) HS dPIS 23-76A HPCI-14 2"-223 3/4"-130 HPCI-17 LT29-3/4"-HE TEST LEAKAGE VALVE LEAKAGE VALVE TEST 2"-223 HPCI-15 TEST LT28-3/4"-HB LEAKAGE VALVE 3/4"-19M3 3/4"-19M3 A H HPCI-9 16"-N237 RO 2040 C V52-1"-HE PS 23-86 1/4" X-49C X-49D M-115 (D,5) PSD 2039 PSD 2038 V52-16"-HE 1"-972 1"-972 XFV-85 C122 H TRIP HPCI-13 TURBINE TW38-2"-GE HPCI-28 2"-19 HPCI-27 HPCI-78 L L (BOOSTER) PS 23-68B PS 23-68D dPIS 23-76B C122 H C214 C214 NH-36250 HPCI-8 WATER SUPPLY COOLING HPCI-7 M-124 (C,2) C214 OR OR AND PS 23-68A (23-1) P-209 PS 23-68C L L C214 TEST TEST (A,4) COOLING WATER NH-36250 SV 2394A (OPEN) A/S ND DC M-124 (C,3) RETURN 3 TW39-2"-HE 2"-223 HPCI-20 TRIPPED HIGH LEVEL) LS-2-3-672 E&F (TRIP ON REACTOR LS 23-98 SV 2049 (23-54) C28-1"-HE L O C TW38-2"-HE VALVE LEAKAGE RS2-18"-HE A H A H PS 23-97A PS 23-97B HPCI-24 C28-1"-HB SV 2394B M-131 A/S DC ND CRW PCV 3492 YS D13-3/4"-HB 2051 ST 2052 HPCI-25 C (23-40) LT31-3/4"-HE CV 2394B HPCI-80 HE GE L O C HE HB 2"-19 HPCI-12 HS D13-2"-HE 23A-S16 HPCI-26 (OPEN) ND C HPCI-59 C120 C03 TO REACTOR RS2-16"-HE C120 PI 23-112 HPCI-60 VESSEL (MAIN) C19 Y80 CKT. 8 23A-S22 HS 23-110 E/S PT 23-95 PI 23-96 C120 C120 HPCI-58 PI 7252 HPCI-87 M-124 (B,4) NH-36250 TO PT 23-100 (C,2) FROM PS-23-84-A TURBINE TRIP (D,2) NH-36250 M-124 NH-36250 M-124 RV41-2 1/2"-HB ORW 3/4"-130 HPCI-21 RV41-1 1/2"-HE L O C L O C CV 2394A (23-39) RV 2056 D41-1"-HE HPCI-72 HPCI-96 D41-1"-HE HPCI-50 HPCI-49 TW38-2"-HE HS A H D49-3/4"-HE D50-3/4"-HE CONTROL SIGNAL OUTLET GOVERNING 1x3/4 FROM SPEED GOVERNOR D47-3/4-HE HPCI PUMP (23-2) S-201 DRIVE TURBINE D47-3/4"-ED RO 2412 18" ED D48-1"-HE HE PRESSURE NH-36242 (D,6)(D,3) M-116 HPCI-94 VESSEL FROM 3/4" HPCI-86 RO 2411 HE PI 7250 FILTER D45-3/4"-ED HPCI-48 HO 8 VALVE RO 2410 ED HE L O C NH-36249 E 6 GRAPHIC DISPLAY FE 3493 L O C C03 L O C CO3 4 MO-8"-N14D (23-16) M-143 NH-36258 OR HIGH DRYWELL PRESSURE HPCI INITIATED ON LOW LOW REACTOR WATER HIGH FLOW) (CLOSE ON 5 MO-8" PS18-8"-ED BKR 4342 TO MO-2061 & MO-2062 NH-36250 (23-15) 2300A M-124 (A,3) MO 2034 C 23A-S2 HS SLOPE OR (E,3)(E,5) M-116 NH-36242 (OPEN) AND H A C X-11 (D,3) (B,2) NH-36250 M-124 LT30-3/4"-ED FOR STARTUP TURBINE STEAM CONNECTION TEMPORARY HEATING BKR 31205 D.C. HPCI-1 HPCI-2 3/4"-130 3/4"-130 MO 2035 L O C CO3 L O C C03 23A-S3 HS C VALVE LIMIT FROM STOP & STEAM ADMISSION SWITCHES GRAPHIC DISPLAY 6" A H OIL COOLER TIS 7268 A L BEARING OIL PS 7311 A SLOPE (CLOSE) (B,2) A H dPS 7310 OIL TS 23-101 A-D H OR 7317 SCP 7923 SY TS 23-102 A-D H NH-36250 M-124 3 P&ID (STEAM SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY Xcel This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4 3/4 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM RO 2060 TX 2059 3x2 TW39-2"-HE LUBE OIL COOLER E-206 BKR 31202 HPCI-18 2"-223 2 INITIATION OPEN ON HPCI 23-115 (A,4)(C,1) (FROM TE's FOR TURBINE LUBE OIL ALSO SEE DWG's. BLOWER K-200 BKR 31201 GLAND SEAL E-204 CONDENSER GLAND SEAL TX 2057 THRUST BEARING, AND PUMP BEARING (3) TEMPERATURES) BEARING OIL, L.P. BEARING OIL, COOLER OUTLET, CASING (2), H.P. RO 2058 HPCI-64 HPCI-63 HPCI-19 LS 7314 LS 7313 2 PS 23-106 RO 2050 A H C120 D41-1"-HE HPCI-51 RR58-3/4" M-121 NH-36247 (C,2) START ON HPCI INITIATION 23A-S18 HS 1" AND HPCI-57 D45-3/4"-ED PS18-8"-ED HE RO 2408 D44-1"-HE D43-3/4"-HE HO 7 TURBINE TRIP STOP VALVE HPCI-47 RO 2409 L O C ED HE ED TR C21 SLOPE HPCI SYSTEM WATER SIDE REFERENCE DRAWINGS: 1. 3. 2. OG24-3"-HC M-143 NH-36258 (C,4) SLOPE OFF-GAS M-142 DISCHARGE) NH-36159 (STM PKG EXHR (B,6) MO-8"N14D (A,4) A/S CV 2043 NH-36049-14 M-131 L O C HPCI-73 1"-CCD-GB (OPEN) SV 2043 23A-S12 ND HS L O C MO 2036 BKR 31206 (23-14) DC 23A-S1 HS (23-53) ST 2045 HPCI-4 D12-1"-EF 1"-19M3 1"-19M3 HPCI-3 1/2"-19 HPCI-90 LS 23-90 A H PS18-8"-ED 8" SLOPE MONTI CAD DWG ` ' NH-36249 Energy sm 1 SCALE: NONE A M-123 82 REV W L O C HPCI-74 1"-19 D12-1"-EF VALVE TEST LEAKAGE NX-8292-12-1 THRU 7 M-124, NH-36250 NX-8292-15-1 THRU 3 LT32-3/4"-EF LT32-3/4"-EF (23-42) HPCI-6 3/4"-130M3 3/4"-130M3 HPCI-5 HS D12-1"-HS EF SV 2046B A/S FULL OPEN (D,2) HPCI-29 1/2"-19M3 SV 2046A CV 2046A DC NE EF L O C DC HS 23A-S11 NH-36049-14 (A,4) NE L O C A/S M-131 MO-2036 IS CLOSE WHEN CV 2046B B NH-36033 M-102 (TO CONDENSER) MAIN STEAM DRAIN (A,6) D C L O C STEAM LEAKAGE TS 23-104 A-D OR CLOSE ON SI 7317 C03 TS 23-103 H A-D H DETECTION TE 23-105 C03 23-111 PI A-D M-128 NH-36254 (D,1) TO TR-4926 CLEAN-UP SYSTEM REACTOR WATER 2 PS18-8"-ED PT 23-89 C120 PI 23-88 C120 JJP 8-27-10 BAL 8-30-10 KMF 9-2-10 16626 11951 924 RES 3-10-06 BAL 3-10-06 JJP 3-7-06 REVISIONS JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 DWN: 78 DWN: CHK: APPR: APPR: CHK: EC 1 77 APPR: CHK: DWN: 076 EC A/R EC A/R E 01121715 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 19540 APPR: PEB 6-6-12 CHK: DWN: BAL 6-6-12 JJP 6-5-12 79 EC 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 80 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 81 EC PAGE 3 ADDED TO.PDF DOC. 23705 APPR: TKN 5-14-15 CHK: DWN: BAL 5-8-15 JJP 5-8-15 82 EC SEE NOTE 1 82 82 NOTES: 1. HPCI-15 IS AN IN-LINE STYLE CHECK VALVE WITH A SOFT SEAT PER EC23705.

MO-14"-N29AB (23-57) 23-81 TW1-14"-HE X-9A REACTOR CLEAN-UP SUPPRESSION POOL A X-204A-D X-225 6 X-320A-D RINGHEADER X-206B NH-36250 REACTOR VESSEL B C M-120 M-122 (C,4) (C,5) NH-36248 NH-36246 D E TW9-2 1/2"-HE TW24-12"-HE FW2B-14"-ED X-210A TW8-8"-HE X-206A (D,7) M-128 NH-36254 (2-1) R-200 6 HPCI-56 3/4"-130 HPCI-54 HS M-105 NH-36036(A,5) HPCI-100 3/4"-130 L.O. LT14-3/4"-HE MO 2061 23A-S14 LS 23-91B LS 23-91A 1/8 ORIFICE OR AND MO-2062 OPEN MO-2061 MO-14"-N29AB 5 A H C BKR. 31207 C O L FUEL POOL COOLING AND CLEAN-UP SYSTEM (CLOSE) MO-12"-NSp14DU LT13-3/4"-ED LEAKAGE VENT POINT M-122 NH-36248 (B,4) TW3-12"-ED REW6-3"-ED M-115 FEEDWATER (A,5) NH-36241 TW4-4"-HE 3/4"-130 HPCI-40 HPCI-41 3/4"-130 MO 2068 31211 BKR. O C L HPCI-76 (23-19) D.C. HPCI-77 SC16-8"-ED HPCI-55 3/4"-130 HPCI-95 23A-S6 D201-3/4"-ED TW50-3/4 VALVE TEST TW50-1/2 HPCI-106 HPCI-107 23-117 PI HPCI-108 HPCI ISOLATION HPCI INITIATION HPCI-98 HPCI-99 NOTE 1 HIGH HPCI-104 HB ED HPCI-105 HPCI-103 1/2" HPCI-102 3/4" HPCI-109 HPCI-101 AO 23-18 HS FPW13-6"-HB TEST LINE M-126 RCIC NH-36252 (E,5) M-108 (B,2) NH-36039 5 FW8-4"-HB HPCI-43 8"-237 HB ED SC16-8"-HB MO-8"-29 HPCI-81 14"-N237AB HPCI-31 VALVE TEST LEAKAGE D.C. (23-58) (CLOSE) HPCI-30 3/4"-130 4 (CLOSE) BKR. 31208 L C O MO 2062 D.C. 23A-S13 HS C03 C120 MLS 23A-S8 AI-248 HS 3503 L 23-119 CONTROL LOGIC TO TURBINE RO 2066 C03 FY HPCI-53 (23-20) MO 2067 23A-S7 31210 BKR. HS D.C. HPCI-52 O C L C Y80 CKT 3 23-108 FIC 4"-N237AB HPCI-42 FT 23-82 C03 INITIATION) (CLOSE ON HPCI FE 23-80 C120 E/P 3503 NH-36049-14 (A,6) A/S M-131 CV 3503 MO 2071 BKR. 31212 L C O O SC16-10"-HB T-71 TI 23-87 Y80, CKT. 8 M-123 NH-36249 23-108 FI F HPC100 RO 2908 FROM (D,4) 23A-S10 HS (OPEN) A L FS 23-78 C TW4-4"-ED ED HE PI SV 2065 AI-247 C120 L C O D.C. N.E. (A,3) (CV-3503 AND MO-2071 AND MO-2062 (A,3) FROM POS ON MO-2061 WHEN EITHER MO-2061 OR MO-2062 ARE FULLY OPEN) A/S M-131 NH-36049-14 RECEIVE A CLOSE SIGNAL, ACCUMULATOR 4 AI-611 3/4"-163 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM HPCI SYSTEM STEAM SIDE REFERENCE DRAWINGS: (MAIN) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT (MO-2063 RECEIVES A CLOSE SIGNAL, WHEN FROM POS ON MO-2061 AND MO-2062 (A,3) BOTH MO-2061 AND MO-2062 ARE FULLY OPEN) V93-3/4"-ED OPEN MO-2061 AND MO-2062 (A,3) NOTES:

1. SOLENOID VALVE SV-2069, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-23-18 HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396.

FROM dPIS 23-76 (VALVE CLOSURE ON HPCI STEAM LINE BREAK) M-123 NH-36249 (D,5) 1"-19 HPCI-46 M-108 NH-36039 (C,4)(C,3) L 3/4"-130 HPCI-61 2417 (OPEN ON CNDS STG TANK LOW LEVEL) FROM LS-23-74 AND LS-23-75 (E,2) TO MO-2063 (E,3), MO-2071 (D,4) AND CV-3503 (D,4) 3 3/4"-130 COOLING WATER ORW HPCI-44 HPCI-32 14"-N237AB 23-83 23-109 C03 PT PI TW4-4"-ED (23-41) CV 2065 2" C120 TW1-14"-HE HE HB 3/4"-130 TW39-2"-HE VENT DRAIN (D,4) D139-1"-HC A THRU D FROM PS 23-68 NH-36249 M-123 (A,3) NH-36249 RETURN V94-3/4"-HC M-123 VENT 1"-19 HPCI-35 CRW 3/4"-130 HPCI-79 3/4"-130 HPCI-88 3/4"-130 HPCI-89 HPCI-62 2416 MO-14"-N29AB 31209 BKR. NH-36039 C16-14"-HE L CONDENSATE STORAGE TANK M-108 11 T-1A 3 (A,4) HPCI-33 14"-N29AB (23-17) D.C. MO 2063 O C L.O. PX LS 23-74 2 12 CONDENSATE STORAGE TANK T-1B TW3-12"-ED ORW ORW (OPEN ON HPCI INITIATION) 23-84B 23-84A VENT 23-99 COOLING M-123 FROM TS 23-101 THRU 23-104 D140-1"-HC NH-36249 NH-36249 M-123 WATER CRW (C,4) 10" PX TW1-14"-HE C120 C120 C120 TW38-2"-GE (E,3) 23-100 P-209 (23-1) 3/4"-130 HPCI PUMP V92-3/4"-HC HPCI-34 PS PS PI L A A H C RV 2064 23A-S4 HS 1" A 23-75 LS OR L M-126 RV66-1"-HB (A,3) NH-36252 C120 L PT OR FROM E/S 23-110 M-123 (D,4) NH-36249 CRW HPCI-39 HPCI-38 D141-1"-ED 1"-19 1"-19 23-116 TURBINE TRIP NH-36249 (D,4) M-123 HPCI C 1"-19 HPCI-45 D142-1"-ED ORW NH-36252 C03 PI 2 M-126 (A,3) NH-36250 MONTI CAD DWG ` ' M-124 REV SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A P&ID (WATER SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM M-123, NH-36249 729E816 729E232 NORTHERN STATES POWER COMPANY Energy Xcel sm 1 SCALE: NONE COLOR LEGEND QUALITY GROUP D STEAM SUPPLY DRIVE TURBINE HPCI PUMP 8" 3/4"-130 3/4"-130 VENT HPCI-36 HPCI-37 (C,3) EXHAUST STEAM S-201 M-123 NH-36249 APPR: 77 CHK: APPR: DWN: DWN: 78 DWN: CHK: 76 APPR: APPR: CHK: DWN: 79 APPR: CHK: DWN: 80 APPR: CHK: DWN: 81 CHK: 1 JJP 8-20-10 STL 2-28-12 PEB 2-28-12 JJP 2-28-12 KMF 8-27-10 14179 BAL 4-5-11 JJP 4-5-11 KMF 4-7-11 16751 21396 WMS 4-30-13 PEB 4-29-13 JJP 4-29-13 BAL 8-27-10 EC EC EC DJP 4-14-07 11951 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 16624 JJP 4-14-07 MGH 4-14-07 REVISIONS A/R EC EC EC 811 83 Q A B C D E 20039 APPR: DJ 5-21-13 CHK: DWN: PEB 5-21-13 JJP 5-21-13 82 EC TDR N A D (OPEN) 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 83 EC PAGE 3 ADDED TO.PDF DOC.

E-205 MISC TURBINE INSTRUMENTATION C04 TURBINE TRIPPED LUBE OIL COOLER D15-3"-HE 3"-N29 RCIC-12 4263 RO TO PT 13-60 TO PT 13-65 3" STEAM CONNECTION TEMPORARY HEATING OG21-2"-HE NH-36252 NH-36252 FW9-2"-ED (13-13) HB TEST LEAK VALVE OG21-2"-HE ORW 2849 SV A 6 SUPPRESSION POOL X-219 RCIC-55 1 1/2"-130 V51A-1 1/2"-HE B (D,7) RCIC-61 1 1/2"-130 RCIC-57 RCIC-59 LT21B-3/4"-HB LT21C-3/4"-HB LT21A-3/4"-HB X-212 X-223 CRW RCIC-70 RCIC-60 3/4"-130 3/4"-130 RCIC-56 3/4"-130 RCIC-58 NH-36049-14 A/S M-131 DC ND RS3-8"-HE RCIC-72 5 TEST LEAK VALVE RCIC-19 3/4"-130 RCIC-54 LT21-3/4"-HE 4 C25-2"-HE ED HE H 4283 SV (D,7) L O C C03 RCIC-16 2"-19 RCIC-18 RCIC-66 RCIC-17 2"-223 RCIC-15 3/4"-130 L O C C04 C25-1"-HE HE L O C C03 2849 CV (13-12) LT22-3/4"-HE 2848 CV 2"-223 L O C C04 RCIC-63 13A-S12 NH-36049-14 A/S M-131 MO-2078 BEGINS TO OPEN (D,2) 2848 SV DC ND RCIC-11-2 CLOSE WHEN 3/4"-19 RCIC-11-1 3/4"-130 HS C04 VAC BRKR RCIC-62 A C04 13-72A PS C128 MO-2"-110 2095 PX MO-2078 (D,2) RCIC-96 RCIC-97 2094 RO 2097 RV VESSEL LOW LEVEL BKR 31107 (13-132) D.C. MO 2096 ORW VESSEL HIGH LEVEL CLOSE ON REACTOR OPEN ON REACTOR 13A-S8 HS 6008 PI C RCIC-94 RCIC-95 TURBINE TRIP C128 13-72B PS RCIC-26 2092 PCV 3/4"-19 RCIC-23 RCIC-24 3/4"-19 D15-1"-HE LT23-3/4"-HE TAPS ELBOW C D RCIC-73 RCIC-71 RCIC-10 REACTOR VESSEL (2-1) R-200 PS3 NH-36251 E 6 RCIC CONDENSATE M-126 RETURN C215 C215 NH-36252 V51-1"-HE 13-78 PS V51-8"-HE 2089 PSD 8"-N237 RCIC-9 1/4" 2090 PSD MAIN STEAM NH-36241 (D,2) M-115 C128 A C04 H 2"-223 C 2091 RO RCIC-14 (C,4) 1"-972 1"-972 MO-3"-N14 XFV-86 XFV-87 1300B X-49A 3/4"-19M3 1300A X-49B 13-83 dPIS C122 H OR 13-84 dPIS C122 H HIGH FLOW) (CLOSE ON C21 L L FW5-4"-ED FW5-4"-ED NH-36252 RS3-8"-HE M-126 WATER SUPPLY RCIC COOLING STORAGE TANK FROM CONDENSATE C17-6"-HE 13-71 PI PI 13-95 NH-36252 (B,3) C04 (B,2) 13-70 PT C128 TO REACTOR M-126 13-92 E/S C128 (C,2) M-126 (A,3) RCIC-2 3/4"-130 RCIC-1 3/4"-130 13-87C PS 13-87A PS AND 13-87B PS 13-87D PS L OR C215 L C215 OR LEAK TEST VALVE OIL PRESSURE M-126 LT19-3/4"-ED BEARING TURBINE 7318 PS 4 LS C04 L A A (OPEN ON PS17-3"-ED BKR 3340 (13-15) 2075 MO L C C04 O 13A-S1 C04 HS C GRAPHIC DISPLAY L C C03 O H C04 A C LOW LEVEL) REACTOR VESSEL NH-36242 M-116 (C,6)&(C,2) 5 X-10 (13-16) MO-3"-N14 (CLOSE) C03 2076 MO BKR 31104 D.C. C04 L C O C GRAPHIC DISPLAY L C O 13A-S3 HS C04 4 1"-19M3 3/4"-130M3 RCIC SYSTEM PROCESS FLOW DIAGRAM RCIC SYSTEM FUNCTIONAL CONTROL DIAGRAM RCIC SYSTEM WATER SIDE REFERENCE DRAWINGS: LT20-3/4"-EF BKR 31106 (13-32) 2082A CV 2082A SV 3/4"-130M3 RCIC-6 RCIC-5 D14-1"-EF 2098 TX 1 1/4" 3 RCIC-99 2099 PX CONDENSATE PUMP C04 13A-S14 HS P-210 2 C04 BKR 31101 DC 13A-S15 OG22-1 1/2"-HE 1 1/4" P-211 VACUUM PUMP C24-3"-HE BKR 31102 DC OG20-3"-HE HS BAROMETRIC CONDENSER D49-1"-HE 1"-19 RCIC-27 RCIC-98 RV61-1"-HE 6082 YS D15-3/4"-HE C04 C04 FW9-2"-HE A H C 7323 LS H A 7322 PS E-203 RCIC-21 RCIC-22 YS 4262 RCIC-20 1"-19 D40-1"-HE 2086 RO HE ED D37-1"-HE M-102 1"-19 RCIC-65 TANK VACUUM NH-36033 (A,6) TI PCV 20 TEST PI HS EF VALVE LEAK (D,7) NH-36049-14 M-131 A/S STEAM DRAIN CONDENSER) (TO MAIN D14-1 1/2"-HS L O C C03 D14-1"-HS 2082B CV (13-35) L O C C04 (13-34) A/S M-131 NH-36049-14 (D,7) 13A-S11 MO-2078 BEGINS 2082B SV DC NE C04 HS TO OPEN (D,2) CLOSE WHEN DC NE 1 M-126, NH-36252 729E242 729E951 A L O C C04 L O C C03 D14-1"-EF B PS17-3"-ED NH-36049-14 13-68 PT 2079 CV TURBINE TRIP CLOSE ON 2080 MO D38-3/4"-ED GOVERNING D38-1"-HE RCIC-46 (13-2) D39-1"-HE 8" RCIC-45 3/4" RCIC PUMP S-200 DRIVE TURBINE D38-3/4"-ED RO 2085 VALVE OIL PRESSURE FROM GOVERNOR CONTROL SIGNAL 7319 LP BEARING OIL TEMP 7320 HP BEARING OIL TEMP TIS A H C04 TIS H C04 A C04 C296 TRIP C04 8 HO C C L O L O C O L MECHANICAL TURBINE BEARING 7403 PI OVERSPEED 5 LS C04 LOCAL C L O C C296 O L MATCH VENDOR'S VALVE 2"-900# R.F. FLANGE TO MO-3"-N123 2079 SV ND (OPEN) C04 13A-S13 HS (D,6) A/S M-131 (13-131) D.C. BKR 31106 (B,5)(C,2) BKR 31103 2" D.C. THROTTLE VALVE TRIP 2078 MO 13A-S23 HS C04 VESSEL HIGH LEVEL 13A-S2 C04 HS PS17-3"-ED VESSEL LOW LEVEL OPEN ON REACTOR CLOSE ON REACTOR C04 13-94 PI FOR STARTUP SLOPE (CLOSE) A-D H 13-79 TS H 13-80 TS A-D OR AND 3 MONITORING STEAM LINE AREA 13-82 H A-D 13-81 TS TS OR H A-D 13-77 TE A-D CLEAN-UP SYSTEM REACTOR WATER TO TR-4926 NH-36254 (C,2) M-128 2 C A 3" 13-74 LS 1/2"-19M3 RCIC-28 RCIC-47 RCIC-64 1"-19M3 RCIC-3 2081 ST 1"-CCD-GB RCIC-4 3/4" 3/4" D14-1"-ED D14-1"-EF RCIC-100 1/2"-19 REGULATOR FISCHR TO TURBINE PS22-3/4"-ED C04 SLOPE C128 13-69 PI C128 3/4"-130 RCIC-29 H C D REVISIONS 1 E TURBINE SPEED SE 7925 7925 SCP 7321 SY C04 9957 A/R APPR: MH 2-26-07 CHK: DWN: BAL 2-6-07 JJP 2-5-07 76 EC 01054616 M-126 (D,4) NH-36252 TO CV-2104 TO CV-2104 NH-36252 (D,4) M-126 834 APPR: RES 8-14-07 CHK: DWN: BAL 8-14-07 JJP 8-14-07 77 EC C04 7321 SI CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 78 JJP 3-5-08 11951 01121715 A/R EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 79 EC NH-36251 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-125 Y Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RCIC (STEAM SIDE) REV 80 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 80 EC PAGE 3 ADDED TO.PDF DOC.

(13-39) D.C. MO 2101 31109 BKR 6"-N237AB FEEDWATER NH-36241 M-115 FW2A-14"-ED A B 6 TW34-10"-HE SUPPRESSION POOL TW13-2 1/2"-HE X-227 NH-36248 NH-36247 (C,4) M-122 (C,2) M-121 X-204A-D X-320A-D RINGHEADER TW12-8"-HE X-210B X-9B NH-36252 C D E REACTOR VESSEL (2-1) R-200 REACTOR CLEAN-UP M-128 NH-36254 (D,7) REW6-3"-DB 6 RCIC-49 D.C. C04 13A-S10 HS C04 13-91 FI RCI100 5 D200-"-ED RCIC-40 3/4"-110 TW5-6"-HE FW6-2"-HE CRW M-122 NH-36248 (B,3) RCIC-50 3/4"-130 3/4"-130 (A,2) ED HB (D,4) MO-6"-N29AB (13-41) 31108 BKR MO 2100 LEAKAGE RCIC-37 2"-223 TEST VALVE F 4 RCIC-31 FROM COND. STORAGE TANK) 6"-N237AB CONTROL LOGIC TURBINE IN PUMP SUCT. LINE (INTERLOCK WITH MOV TEST LEAKAGE VALVE 3/4"-130 RCIC-30 LT24-"-HE (M0-2102) (D,3) C04 13-102 FY C04 13-91 FIC TW5-6"-HE D.C. 2110 MO 3502 MO L O C C04 SC16-10"-HB (13-20) 31111 C04 13A-S6 HS BKR ACCUMULATOR AI-240 3/4"-259 LT25-"-ED RCIC-39 3/4"-110 VESSEL LOW LEVEL) (OPEN ON REACTOR FW5-4"-ED 3/4"-130 RCIC-48 13-22 AO C04 13A-S5 HS (13-21) MO-4"-N14D 31112 BKR MO 2107 MO 2106 T-73 RETURN LINE NH-36250 (E,5) M-124 HPCI 5 FW8-4"-HB FW8 FW5 HB ED 31105 BKR RCIC-38 4"-237 31114 BKR RCIC-69 RCIC-68 0-60 PSIG FW5-4"-ED AIR REGULATOR AI-222 C128 13-58 FT 13-56 FE C C-128 FS 13-57 A L C04 NH-36049-14 AI-612 (C,6) M-131 A/S C04 13A-S21 HS MO-6"-N29AB TW5 C17 MO-2078 CLOSE OR MO-2080 OPENS CV-2104 ON REACTOR VESSEL CV-2104 CLOSE SIGNAL FROM LOW LEVEL 2104 SV NE D.C. CLOSE OR MO-2101 (D,3) OPEN FULL LOW-LOW LEVEL OR MO-2100 (A,5) CLOSE ON REACTOR VESSEL C04 3502 HS C04 13A-S7 HS 4 RCIC SYSTEM PROCESS FLOW DIAGRAM RCIC SYSTEM FUNCTIONAL CONTROL DIAGRAM RCIC SYSTEM STEAM SIDE REFERENCE DRAWINGS: PUMP DRIVE TURBINE M-125 NH-36251 RCIC ED RCIC-36 1"-19 RCIC-43 3 FROM E/S 13-92 FROM LS-23-74 OR LS-23-75 (OPEN ON CNDS STG TANK LOW LEVEL) FW6-2"-HE NH-36251 RCIC COOLING NH-36251 WATER (C,4) M-125 13-59 13-60 C04 13-93 PI C-128 FW9-2"-ED C-128 PT PI 1"-19 RCIC-42 NH-36250 (E,2) M-124 (D,4) M-125 HE 2909 RO 2105 RO D156-1"-HE D156-1"-ED 1"-19 RCIC-35 FW5-4"-ED CRW D157-1"-ED 2 FW6-2"-ED L O C C04 (13-27) 2104 CV EXHAUST STEAM (A,5) ARE FULLY OPEN) (CLOSE WHEN MO-2100 & M0-2101 RCIC-32 COOLING TO PUMP BEARINGS CONDENSATE RETURN NH-36251 (D,5) M-125 13-86 TI C04 13A-S9 (D,4) HS RCIC PUMP (13-1) P-207 2520 PX 2519 PX RCIC-93 RCIC-92 RCIC-91 RCIC-90 3/4"-130 RCIC-44 RV73-1"-HE C25-2"-HE RCIC 2103 RV ORW C-128 6"-N29AB 13-66 PI 3 NH-36039 (A,4) M-108 (13-18) C17-6"-HE C17-6"-HE RCIC-41 HE HB D.C. MO-6"-N29AB MO 2102 31110 BKR CONDENSATE STORAGE TANKS VESSEL LOW LEVEL) (OPEN ON REACTOR C04 13A-S4 HS FROM E/S 13-92 NH-36251 3/4"-130 RCIC-33 RCIC-34 3/4"-130 V100-"-ED V99-"-ED ORW VENT A L A H 13-67A 13-67B PS C-128 PS C-128 C-128 13-65 PT C RCIC TURBINE TRIP C (D,4) C04 13-96 PI M-125 2 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 1 M-125, NH-36251 729E951 729E242 QUALITY GROUP D COLOR LEGEND A B S-200 SUPPLY STEAM DWN: APPR: CHK: APPR: DWN: CHK: 77 1 76 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 11951 01121715 A/R EC REVISIONS JJP 2-5-07 01054616 MH 2-26-07 BAL 2-6-07 EC 9957 A/R C D E NH-36252 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-126 V Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RCIC (WATER SIDE) REV 80 21396 APPR: CHK: DWN: BAT/JJP 4-1-13 78 EC AWL 4-1-13 SCP 4-1-13 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC. 22787 APPR: WK 5-6-15 CHK: DWN: BAL 5-6-15 JJP 5-6-15 80 EC 80 80

(TEST) P-203A (11-2A) 1/2"-176Y XP-19-1 XP-19-2 1/2"-176Y P-203B (11-2B) (TEST) 42-3301/HS 42-4201/HS A B 6 NH-36241 (A,3) M-115 REACTOR VESSEL R-200 (2-1) NH-36253 2396 POS L O C C05 C D E XP-10 3/4"-130M3 XP-28 1 1/2"-19M3 XP-8 NUCLEAR BOILER DC ECB XP-9 3/4"-130M3 XP-26 XP-27 X-42 CH2-1 1/2"-DC XP-7 XP-6 CH19-3/4"-DC VALVE LEAKAGE TEST VALVE LEAKAGE TEST CH2-1 1/2"-DC NUCLEAR BOILER (C,5) M-116-1 NH-36242-1 XP-29 HIGH POINT VENT XP-30 6 XP-5 1 1/2"-19M3 1 1/2"-951M3 5 D61-1"-HC 4 CH2-1 1/2"-DC 1 1/2" (11-7B) ACCUMULATOR T-204B XP-4-2 1 1/2"-19M3 XP-24-2 1 1/2"-19M3 XP-3-2 D61-1"-HC 1/2" 11-39B RV DC HK XP-12-2 1/2"-65 XP-13 1 1/2"-130M3 CH3-1 1/2"-DC CH18-3/4"-DC CH2-1 1/2"-DC 1"-19M3 CH2-1 1/2"-DC XP-11-14A CH2-1 1/2"-DC 11-67A CH2-1 1/2"-DC 11-53 PI 11-67B L C05 CONTINUITY) CH2-1 1/2"-DC XP-11-14B (LOSS OF CONTINUITY) CH2-1 1/2"-DC L C05 C (LOSS OF CONTINUITY) RELAY CONT. C05 A C05 RELAY CONT. C05 5 2395 CV CH3-1 1/2"-DC XP-11-1 HC DC XP-11-2 (LOSS OF 1"-19M3 CH2 CH3 XP-23 3/4"-130M3 3/4"-130 XP-22 DB DC VENT ACCUMULATOR T-204A CLEANUP SYSTEM ISOLATION VALVES 1 1/2" 1 1/2"-19M3 XP-24-1 (11-7A) XP-4-1 1 1/2"-19M3 PI 11-65 C05 11-52 PT E/S 11-69 (E,3) FROM CH2-1 1/2"-DC XP-3-1 1 1/2"-951M3 D63-1"-HC HS HS 1/2" 11-39A RV DC HK (D,4)(D,7) NH-36254 M-128 1/2"-65 XP-12-1 D63-1"-HC CH3-1 1/2"-HK 1 1/2"-19M3 DEMINERALIZED L ON C05 XP-14 1 1/2"-19M3 WATER (D,1) HS 11A-S1 C05 L ON C05 1"-HJ 1"-276Y DM-53 CH3-1 1/2"-DC DC HK XP-21 4 HC HK DM-54 1"-176Y XP-15 1"-76Y DW-1"-HJ T-201 (11-3) TANK TEST CH3-1 1/2"-HK DC HK V REFERENCE DRAWINGS: STANDBY LIQUID CONTROL F.C.D. STANDBY LIQUID CONTROL PROCESS FLOW DIAGRAM THE TANK DIP TUBE SHALL BE INSTALLED TO READ THE ELEVATION OF THE TOP OF THE TANK OUTLET NOZZLE. THE SUCTION PIPING, PUMPS AND A SHORT SECTION OF DISCHARGE PIPING ARE INSULATED AND ELECTRICALLY HEAT TRACED. THE TEMPERATURE IS REGULATED BY CONTROLLERS TC-4437A THRU D. TI-4603 LOCALLY MOUNTED ON C69, AMBIENT AIR TEMPERATURE. STANDBY LIQUID CONTROL PIPING CH2-1 1/2"-DC FROM PUMPS TO DRYWELL PENETRATION X-42 AND TANKS (G.E. 153F757) 5828-APED-11-9) (G.E. 153F736) 5828-APED-11-8) (C,3) SA-3/4"-JB STANDBY LIQUID CONTROL TANK T-200 (11-1) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT RV29-2"-HK 2 1/2"-29M3 D65A-3/4"-HC DRAIN TO REMOVABLE CONTAINER 3/4" 3 D65B-3/4"-HC CH1-2 1/2"-HS D63-1"-HC RV29-2"-HK XP-2-2 CONTROL PUMP STANDBY LIQUID 12 DRIP PAN 1/2" D67-1"-HC 2 HOSE CONN. XP-25 NOTES: 2. 3. 1. 3. 11-45 LT SLC100 L 2 1/2"-29M3 DM-55 1"-276Y 7994 PI DEMIN. CH1-2 1/2"-HS STANDBY LIQUID CONTROL PUMP 11 DRIP PAN 1/2" (D,1) WATER 4437A TC RV29-2"-HK 2 1/2"-29M3 XP-2-1 DW8-1"-HS DM-56 1"-176Y HJ HS 11-59 TS C69 4437B TC TE 1"-76Y XP-20 HS HC D68-3"-HC XP-17 2 1/2"-29M3 RV29-2"-HK DW6-2 1/2"-HS 3 A/S C69 2 1/2"-237M3 XP-16 CH3-1 1/2"-HK DW6-2 1/2"-HS NH-36049-13 (D,3) M-131 INSTRUMENT AIR TO PT 11-52 (D,4) 11-55 FIC RV29-2"-HK 4599 PI 4437D TC LI 11-66 C05 C69 E/S 11-69 C19 C69 4267 LS C05 XP-1 4437C TC CH1-2 1/2"-HS 1. 2. 3/4"-176Y AS-22 HK 1"-176Y DM-52 JB 3/4"-263 AS-21 1"-276Y DM-51 TO A C05 GROUND HEATER 1 1/2"-HK 1 1/2"-76Y XP-18 HK HC HEATER SPARGER 11-47 LS (HEATER SHUT-OFF) A LOW LOW C05 TANK ON L LOCATED 7449 LT C69 7449 LI L ON OFF VENT C69 DW7-1"-HK HK HJ OR TE 11-50 TS 11-48 TIC C69 A H L C05 E/S 7449 C19 11-70 LS C19 2 11A-S2 HS C69 C NH-36253 MONTI CAD DWG ` ' M-127 REV 1 NF-156965 P&ID STANDBY LIQUID CONTROL SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm SCALE: NONE 80 P A B NH-36039 AS-19 NX-7879-4 NX-7879-3-1 (E,4) TO 1044 PCV (E,2) NH-36049-4 M-131 (C,7) FROM WATER DEMINERALIZED M-108 C A H L C05 4603 TI DWN: APPR: APPR: CHK: DWN: CHK: 77 1 76 16884 IL 10-19-10 BAL 10-13-10 JJP 10-12-10 EC REVISIONS JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 EC A/R C D E 20168 APPR: JWP 9-13-12 CHK: DWN: BAL 9-12-12 JJP 9-11-12 78 EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC. 25660 APPR: JCG 5-11-15 CHK: DWN: BAL 5-11-15 JJP 5-11-15 80 EC SAFETY-RELATED FLEXPRO STAINLESS STEEL FLEXICARB STYLE PN GASKET APPROVED 4. FOR USE RV-11-39 A & B INLET PER EC25660. 80 80 80 NOTE 4 NOTE 4

3025 SX NH-36243 M-117 (C,6) 12-96 PI RC-30 D162-1"-DBD RC-29 RV-67-1"-HBD RWC103 T V-109-1"-DBD 12-158 TI HBD DBD TRIP CLEANUP RECIRC. PUMPS P-204 A & B FROM MMS MONITOR NH-252182 (C,3) VENT & DRAIN DETAILS DETAIL 12-110 E/P RWC102 T C04 NH-36252 STANDBY LIQUID CONTROL ACTUATION LOW-LOW REACTOR WATER LEVEL HIGH DRYWELL PRESSURE TRIP CLEANUP RECIRC. PUMPS P-204A & P-204B REW3-4"-ED LT17-"-ED TW3-12"-ED HIGH RWCU ROOM TEMP. (C,1) VALVE CLOSURE SIGNAL HIGH RWCU FLOW (C,6) FW2B-14"-ED FROM RCIC M-126 RC-6-2 D NH-36045 TANK T-24 SURGE TANK TO WASTE NH-36045 COLLECTOR TO WASTE HOTWELL NH-36047-1 RECIRC. LOOP "B" FROM REACTOR FROM REACTOR VESSEL DRAIN A B C VALVE RC-87 ED RC-83 2405 MO LEAKAGE 2404 MO ED 16A-S15 2397 MO C04 HS RWN36-3"-HC M-139 (E,6) (E,6) M-139 T-23 RWN36-3"-HC D171-1"-HC D172-1"-HC D169-3/4"-ED D170-3/4"-ED D175-1"-DB 8 NH-36256 D159-1"-ED D160-1"-DB D158-1"-ED D161-1"-DBD D163-1"-DBD D162-1"-DBD DRAINS 1" M-135 (B,3) TO CST B-3204 (12-57) HC REW7-3"-HC REW31-2"-ED RC-104 RC-1 M-117 NH-36243 M-141 (C,5) TO HB (C,5) HC TO REACTOR NH-36241 NH-36243 (C,5) M-117 (B,4) M-115 3/4" ECD MO-3"-N14 2406 RV 3" B-3203 (12-56) HC TEST REW3-4"-EBD EBD ED EBD V130-1/2" (SS TUBING) V131-1/2" (SS TUBING) V118-1"-DB V114-3/4"-ED V101-1"-DB V102-1"-DB V103-1"-DB V109-1"-DBD V110-3/4"-DBD V111-1"-DB V112-3/4"-DB V113-3/4"-DB V117-3/4"-DB 12-108 PS D D C MO-3"-N14 12A-S3 DETAILS D C D B B B C220 HS F G F F B B H F H F 12-143 VENTS C04 FC H F F F C220 HIGH HIGH TEMPERATURE TO VALVE CLOSURE SIGNAL (TIS 12-157)(B,2) DEMINERALIZER DISPLAY GRAPHIC C04 12A-S2 RWN36-3"-ED HS C04 RC-105 RC-106 MO-4"-N14D (12-15) B-3328 C O C ED L C04 C03 O C L X-9A LEAKAGE 2403 CV (12-55) RC-36 2" VALVE TEST ED HB X-14 RC-35 OR NH-36254 NH-36241 TO REACTOR M-115 (B,3) 8 X-9B NH-36241 FEEDWATER M-115 (A,2) FROM SYSTEM 1" DB RC-7-2 3" DB (B,6) RC-39 12-68 RV 12-109 TE MO-2397 (D,7) MO-2398 (D,7) MO-2399 (D,4) CLOSE VALVES RC-11 RC-12 DBD 1"-130 3/4"-130 1"-130 3/4"-130 VENTS DRAINS 1"-19 1"-19 MO-3"-N123 C04 2402 RO DBD 1"-19 2403 SV 3/4"-130 1"-130M3 3/4"-130M3 1"-19 1"-19M3 1"-130 C DC DB 7 HB E HBD B DBD DB HB OR OR F HB C DB A C04 H L HB FROM FEEDWATER 3/4"-19M3 3/4"-223 12-114 PI 12-107 PS MO-4"-N14D NH-36253 (D,4) NH-36242 NH-36258 12-92 TE C220 FROM CAV NX-32779-7 SYSTEM 12-155 TI (D,14) L DISPLAY GRAPHIC M-127 M-116 M-143 C03 O C L C52 RC-103 1"-19 RC-86 RC-85 HWC-5 HWC-6 CO ED REW3-4"-DBD 2398 MO C04 O (12-18) D-31309 C C L SYSTEM NH-36241 (A,6) M-115 (C,6) C04 ED D.C. 16A-S16 HS 2401 MO FS TRIP CLEANUP RECIRC. PUMPS P-204A & P-204B 12-106 3/4"-19 3/4"-19 1"-19 1"-19 OR OR G HB ED HB D ED 12A-S1 HS OR OR SS TUBING DCD H 6 REW7-3"-ED 12-115 FI V111-1"-DB 6016 FE 3/4"-130 RC-78 REW30-3/4"-ED RC-94-2 TUBING (12-53) B-3201 6016A C304A 6016A 6016A C304A FIS FT FS C52 6016C C304C 6016C 6016C C304C FIS FT FS 3/4"-130 RC-79 ED RC-94-1 ED DBD DBD DB HB ED C04 12-105 FT 12-140 C219 C19 6016B C304B 6016B 6016B C304B FIS FT FS CV-2790 CV-2791 FI 6016D C304D 6016D 6016D C304D FIS FT FS ORW FROM MMS MONITOR NH-252182 (C,6) DCD L H DB CLEANUP FILTER DEMINERALIZER SYSTEM NH-36255 (B,3) M-129 (E,6) 1" HBD ORW HEAT EXCHANGER REGENERATIVE 3 SHELLS CLEANUP NX-32779-7 TO CAVS (I,6) SYSTEM RWC111 DO RWC112 DO REW4B-3"-EF ED EF RC-75 RC-8 3"-N14 1" DBD 12-104 FE RC-101 V114-"-ED M-117 M-117 REW3-4"-DBD (E,6) (E,6) 1" DBD RC-102 ORW REW3-4"-DBD 1" DBD RV-68-HBD RC-74 RC-20 DBD DBD ED RC-19 DB EF HBD CRW REW6-3"-DBD " DBD C04 C19 C217 B-3235 MO-3"-N123 SEE NOTE 2 3" ED 5 4141 DOIT C217 12-130 ES REW4A-3"-EF NH-36908 M-185 (D,7) 4141 DO REW5-4"-DBD DBD ED 2400 MO 12A-S4 HS D161-1"-DBD EF 12-113 PI REW4-4"-EF C219 CRW RC-32 13 RC-31 E-201 12-2 12 11 12-67 RV 1" DBD DBD ED DBD REW4-4"-DBD CRW DBD EF DBD 1" DBD FROM CRD NH-36244 RC-6-1 RC-7-1 3"-NW14 FROM HPCI NH-36250 7 3" DB DB ED 1" DB M-124 3" DB DB (D,1) M-118 DC LT18-"-DC DC RC-33 3/4"-130M3 6 DB HB V110-"-DBD L O C C03 2399 MO 1" DBD 1" HBD LEAKAGE REW6-3"-DC 3/4"-130 RC-34 VALVE TEST RC-14 RC-15 DC DBD B-4343 CS RC-40 MO-3"-NW123M3 (12-68) 16A-S17 C04 5 HS This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT SYMBOL MEANS SUPPLIED BY HEAT EXCHANGER VENDOR(S). CHEMICAL CLEANING CONNECTION FOR DECONTAMINATION. REACTOR WATER CLEANUP FUNCTIONAL CONTROL DIAGRAM P&ID REACTOR WATER CLEANUP FILTER/DEMINERALIZER SYSTEM MO-2397 AND MO-2398 HAVE A 900# PRESSURE RATING. REACTOR WATER CLEANUP ELEMENTARY DIAGRAM REACTOR WATER CLEANUP PROCESS FLOW DIAGRAM RC-35 AND RC-36 HAVE A 1690# PRESSURE RATING. CLEANUP SYSTEM AREA STEAM LEAK DETECTION TYPICAL OF 8 117A THRU 117H NUCLEAR BOILER SYSTEM THRU 2-126D (4) (B,1)(B,6)(D,1)(D,6) FROM 2-126A ( ) STEAM LEAK DETECTION 6017C TE 6017C C304C REW3-4"-DB C04 RV70-1"-HB CR-12-133 TO CIT-3013 FROM V130-1/2" (SS TUBING) NON-REGENERATIVE HEAT EXCHANGER V117-"-DB DB C217 CLEANUP RECIRC. PUMPS (12-1B) RC-37-2 RC-38-2 P-204B RC-38-1 RC-37-1 (12-1A) P-204A REW3-4"-DBD 2625 PX CRW REW3-3"-ED 3"-N14 3"-N14 RC-2-1 NX-32779-7 (I,6) TO CAVS SYSTEM C217 2626 PX C217 3"-N14 RC-3-2 RC-96-1 C217 REW3-3"-ED RC-96-2 TUBING REW30B-3/4"-ED 3"-N14 RC-2-2 C52 REW3-4"-DBD ED ED ED DBD 12-100 CE 4 4143 PH 2627 PX 12A-S6 C04 HS RC-3-1 RC-95-2 REW30A-3/4"-ED ORW MONITOR NH-252182 FROM MMS (C,3) TUBING RC-27 RC-28 DBD HBD ORW REW3-4"-DB D175-1"-DB 12-156 TI 12-94 TE C04 C04 2624 PX RC-95-1 ED 12A-S5 HS ORW RC-23 RC-24 D159-1"-ED D158-1"-ED D172-1"-HC D170-3/4"-ED D169-3/4"-ED D171-1"-HC REW4-4"-DBD 12-118 CIT 4388 DH RWC110 DH V131-1/2" (SS TUBING) RWC104 C C217 4143 PHIT LEAKAGE 12 LEAKAGE B-2206 RC-91-2 RC-90-2 CRW CRW SEAL HC ED SEAL HC 12-144 C217 CR C04 RC-10-2 V113-"-DB RC-9-2 ST.SL. DB 2404 DC RO DB ORW V102-1"-DB " DBD RV69-"-HB RC-91-1 11 B-3206 RC-90-1 CRW ED RC-77 DBD ED 12-65 RV 1" DBD RC-76 ST.STL (TYP) ED HBD RC-10-1 V112-"-DB RC-9-1 ST.SL. DC DB RC-25 DBD ORW 2403 RO DC DB RC-26 " HBD ORW COOLING WATER 12-3 E-202 2 SHELLS CLEANUP ORW 12 11 V118-1"-DB RBCC-34 1"-130 RWC108 DH 12-87 PI REFERENCE DRAWINGS: NOTES: FROM 13-77A THRU 13-77D (4) RCIC SYSTEM 1"-130 RBCC-49 REW4-3"-DB NH-36255 (E,4) NH-36243 RC-17 (D,6) 3"-NW14 RC-5-2 RC-16 M-129 C217 M-117 4388 DHIT 3 3"-NW218 RC-4-2 1" DBD REW4-3"-DB DBD DB 6"x4" ST.STL 3"-NW14 RC-5-1 6"x4" RC-4-1 3"-NW218 ORW 1" 4. 1. 2. 3. 2. 3. 4. 1. (D,6) NH-36042 COOLING WATER M-111 NH-36042 (D,6) ORW CLOSE VALVES MO-2399 (D,4) MO-2404 (B,7) 12-131 PI 12-157 TIS C04 12A-S7 MO-2405 (B,7) TO CAVS NX-32779-7 SYSTEM (I,7) 12-97 TE C04 12-131 12-93 PT C04 C04 HH PI A A C52 HS 2 A H C04 NH-36251 M-125 (E,2) TIS TIS 6017A 6017A TE C304A NH-36241 M-115 STANDBY LIQUID CONTROL ACTUATION HIGH HIGH TEMP. TO DEMINERALIZERS (TIS 12-157) (B,2) HIGH RWCU ROOM TEMP. (C,1) VALVE CLOSURE SIGNAL 3/4"-130 RC-72 HIGH DRYWELL PRESSURE HIGH RWCU FLOW (C,6) LOW-LOW REACTOR WATER LEVEL 3/4"-130 4 RC-73 M-143 V103-1"-DB RC-21 NH-36253 (D,4) NH-36242 NH-36258 M-127 M-116 RC-22 12-64 RV 3 COOLING WATER M-111 12-117A TE 2 D EC 78 12704 NH-36254 MONTI CAD DWG ` ' M-128 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A REV BAL 10-12-09 JJP 12-18-12 AWL 12-20-12 JRS 12-20-12 THRU 23-105D (4) FROM 23-105A P&ID REACTOR WATER CLEANUP SYSTEM CLOSE VALVES MO-2397 (D,7) MO-2398 (D,7) MO-2399 (D,4) (M-129) - NH-36255 (GE 730E718) NX-7880-7 (GE 719E567) NX-7880-3 NX-7880-11 M-117 M-117 NH-36249 M-123 (E,2) HPCI SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm THRU 10-98H (8) FROM 10-98A 6017D TE 6017D TIS NH-36246 M-120 (A,3) RHR SYSTEM TIS 6017B 6017B TE C21 4926 TR A H C03 C304B CV-2790 CV-2791 C304D SCALE: NONE 1 QUALITY GROUP D COLOR LEGEND (E,6) (E,6) JJP 10-9-09 BH 10-12-09 17524 JRD 4-3-12 JJP 4-3-12 AWL 4-3-12 17525 18767 RWS 6-18-13 SLM 6-18-13 JJP 4-12-13 21654 DAJ 6-23-13 PEB 6-19-13 JJP 6-19-13 APPR: CHK: DWN: APPR: APPR: CHK: DWN: 81 82 EC EC DWN: APPR: CHK: CHK: DWN: CHK: DWN: APPR: 79 80 EC EC AH 86 A B C REVISIONS 01121715 1 RMG 3-12-08 JJP 2-25-09 AVW 2-27-09 BAL 2-26-09 13693 JJP 3-5-08 11951 BJR 3-11-08 DWN: CHK: APPR: CHK: DWN: APPR: 76 77 A/R EC EC 21610 APPR: JRD 8-20-13 CHK: DWN: SLM 8-20-13 JJP 8-20-13 83 EC 24195 APPR: AJW 6-23-14 CHK: DWN: BAL 6-23-14 JJP 6-20-14 84 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC. 25814 APPR: AJW 6-24-15 CHK: DWN: BAL 6-22-15 JJP 6-19-15 86 EC 86 DBD HBD

1 "-HC RT36B-3"-HC RT37A-3"-HE SC12A-3"-ED (CV-4B) CONDENSATE CV 12-4-15B FR 12-4-97B 1/2" ED RV60-1/2"-HC NH-36049-16 SINK DE LAVAL IDENTIFICATION (TYPICAL) LS 12-4-80 HS 4134 RC-82-1 D202-1"-EF RC-81-1 dPIS 12-4-72A YS 12-4-54A C RWC105 NH-36255 M-131 NH-36049-16 (B,7) INSTRUMENT AIR NH-36045 PRECOAT RETURN LINE FROM FUEL POOL A B C D E HB 12-141A FI NH-36049-16 INSTRUMENT 12-4-50 RC-62 2"- 1/2"-19 CST-35 (B,6) 1"- RC-64 RC-63 FROM V-AC-21 NH-36261 M-149 CONDENSATE NH-85509-2 (A,6) (B,5) M-139 2" M-114-2 SERVICE (B,6) 6 ORW 12-4-11 D179-4"-HC NH-85509-2 M-114-2 CONDENSATE SERVICE 1"- CST-81 12-4-48 SERVICE CONDENSATE M-114-1 NH-85509 M-131 NH-36049-16 (C,4) INSTRUMENT SV 12-4-54A 12-4-54A C82 HS AIR (D,7) 2"-19 (300 GAL.) T-203 (12-4-6) CLEAN-UP PRECOAT TANK 12-4-12 CST-40 1/2"-130 

"-HB RC-61 3"-
  • D176-2"-HC 12-4-47 1"

AO 2"-HC 3425 FG PX 2892 PX 2893 3418 PX RT35-3"-HC S-202 (12-4-8) 12-4-47 C82 RC-92 4135 AO 12-4-62A AO 12-4-54A 12-4-46 RC-65 1/4"- 1"-HB A L C82 M-131 AIR (C,7) 12-4-88 RT36-3"-HC FG RC-80 C82 L 12-4-62A 12-4-62A SV HS SC19A-3/4"-HB L HE EF C RTA38A-3/4"-EF O O C RC-43-1 (CV-4A) CV 12-4-15A FR 12-4-97A 3"- 12-4-17A SV 12-4-15A RWC100 PROGRAMMER HS 12-4-15A PCV 12-4-15A F C82 M-128 NH-36254 (B,5) HEAT EXCHANGER TO REGENERATIVE FC 12-4-97A P/E 12-4-77A C82 PP REW4A-3"EF REW4B-3"EF TIMER C82 6 FE 12-4-74A FT 12-4-75A 3/4"- RC-56-1 12-4-63A FS 12-4-81A C82 L O C C82 PI 12-4-73A EF RC-55-1 3/4"-

  • A H

C82 AO 12-4-14A CONDENSATE F.C. 1"-HC 12-4-24A PCV 12-4-118 dPT 12-4-69A RC-70-1 3/4"-130M3 dPIS 12-4-94A PI 12-4-78A RV 12-4-36 SV 3488 (CV-51A) RT36A-3"-EF AO 12-4-37A 12-4-61 TO WASTE PRECOAT TANK M-139 NH-36045 (B,5) BLDG 3"-237 REACTOR RADWASTE PROGRAMMER TIMER 12-4-89 PRECOAT PUMP CLEAN-UP (12-4-7) 145 GPM P-206 A L C82 A H C82 

" SS TBG 4134 ORW ORW PI C82 1"-19 5

ORW 3"- 12-4-52 RC-59 RT35-3"-HC BLDG CH14-2"-HC PROGRAMMER CLEAN-UP (12-4-2A) HOLDING PUMP P-205A 3/4"-130 RC-84 12-4-41A 85 GPM MILLIPORE FILTER 12-4-56 (CV-52A) AO 12-4-32A RC-47-1 PX 2888 ORW PX 2889 1"-19M3 1"-19M3 3"- 3205 11 12-4-40A RC-53-1 AO 3488 RV59-"-HC RC-60 F.C. HC RT35A-3"-HC F.C. ED V43-"-HC ORW 3"- 12-4-33A RC-48-1 PI 12-4-79A 2"- TIMER C82 F.O. 2"- 

"-HE 1/2"-130 D177-1"-HC D178-1"-HC SEAL LEAKAGE ORW 2"-

RC-57 NH-36039 RC-66 3/8" DEMIN M-108 (E,4) ED (CV-53A) 12-4-39A RC-54-1 12-4-38A ED EF 3"- F.C. EF AO ED 2" HC REW4A-3"-ED 

"-ED (CV-7A)

REW4A-3"-ED RV57-1"-ED ORW RV TO PUMPS & SOLENOIDS M-139 NH-36045 (B,3) C82 CE 12-103A 12-129A CIT RC-42-1 12-4-26A 3"- REW12A-3"-EF C217 3026 SX C217 V41-"-EF REW4A-3"-EF ORW 3205 HS 3114 CI PROGRAMMER SIGNALS 5 C82 C82 RC-71-1 3/4"-130M3 A H C82 C82 PANEL LOCAL C82 dPS 12-4-82A (12-4-98) A CLEAN-UP F/D FAILURE C04 12-141B FI V55B-1"-ED 4139 12-4-30A F.C. (12-4-115) CLEAN-UP RESIN FEED TANK T-205 1"- 12-4-126 DM-261 PI 12-4-123 CST-144 

"-HC
"-HC 4

PI 12-4-124 12-4-22A RC-50-1 RC-88-1 12-4-13A (CV-3A) AO 12-4-20A RC-41-1 3"- 1/2"- ED HE EF ED RT37A-3"-HE 3"- HE ED V55A-1"-HC HC HC AO 12-4-120 (CV-10) EDUCTOR (12-4-117) S-203 (12-4-116) PI 12-4-125 RC-67 1 1/2"-19 RV60-1/2"-HC REW4A-3"-ED (CV-9A) AO 12-4-34A 12-4-87A FG RC-44-1 1"-* 12-4-35 ORW RV NH-85509 M-131 (C,7) NH-36049-16 INSTRUMENT SV 12-4-54B 12-4-54B C82 HS AIR M-114-1 SERVICE (C,4) 12-133 V54-1"-HC FG 12-4-71B SA5-1"-JB A C82 A H C04 12-4-28A (CV-14A) AO 12-4-42A RC-49-1 (CV-8A) FROM CR-12-144 11 (12-4-1A) CLEAN-UP FILTER/DEMIN T-202A 1"- NH-36254 M-128 JB EF F.C. (A,3) C AO 12-4-18A F.C. EF HC A C82 4 SV 12-4-15B RWC101 F PROGRAMMER HS 12-4-15B PCV M-131 NH-36049-16 12-4-15B (D,7) C82 CR C04 FC 12-4-97B P/E 12-4-77B C82 PP 12-129B 3113 TIMER C82 CI C82 C RWC106 CIT 217 INTERNALS REMOVED FROM PCV-12-4-66 UNDER WRA 77-0998. NOT ALL AO VALVES ARE EQUIPPED WITH PCV AND FLOW CONTROL VALVES. SEE AO VALVE TABLE. AO-12-4-44B AO-12-4-47 AO-12-4-120 AO-12-4-121 AO-12-4-41A AO-12-4-41B AO-12-4-42A AO-12-4-42B AO-12-4-44A AO-12-4-20A AO-12-4-20B AO-12-4-34A AO-12-4-34B AO-12-4-37A AO-12-4-37B AO-12-4-14A AO-12-4-14B AO-12-4-18A AO-12-4-18B VALVE NO. This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT AS-47 RV72-1"-HCD LOKRING APPROVED FOR USE ON SENSING LINE EC22026. HS HS-12-4-39B HS-12-4-39A/ RT36B-3"-EF TYPICAL FOR AO-12-4-39A AND AO-12-4-39B PI 12-4-78B HB SC19B-3/4"-HB REW4B-3"-ED 1"-19M3 1"-19M3 RC-82-2 D203-1"-EF RC-81-2 3 AO 12-4-121 (CV-11) ORW 12-4-68 PI M-128 RECIRC. PUMPS FROM CLEAN UP (A,5) NH-36254 RT35B-3"-HC AO 12-4-62B AO 12-4-54B A L C82 INSTRUMENT M-131 AIR (C,7) AO 12-4-39B HC 1/2" ED (CV-53B) F.C. ED C82 L 12-4-62B SV 12-4-62B HS 

"-HE L

HE EF C RT38B-3/4"-EF O O C AO-12-4-39B INSTRUMENT NH-36049-16 AO-12-4-39A/ L O C C82 AO (B,7) SV-12-4-39B SV-12-4-39A/ PCV-12-4-39B PCV-12-4-39A/ M-131 AIR PCV ED PP HB SV PROGRAMMER HOLDING PUMP TIMER (12-4-2B) 85 GPM P-205B (CV-52B) AO 12-4-41B 12-4-32B RC-47-2 ORW CLEAN-UP PX 2890 PX 2891 3"- 2205 12 RC-53-2 12-4-40B RC-54-2 AO 12-4-44A HC F.C. F.C. 3"- ED 12-4-38B (CV-6A) 3"- 12-4-33B PI 12-4-79B AO 12-4-37B 2"- RC-48-2 C82 F.O. 2"- (CV-51B) 3 YS 12-4-54B dPIS 12-4-72B C217 FE 12-4-74B FT 12-4-75B 12-4-63B RC-56-2 3/4"- 3"- 12-4-17B RC-43-2 FS 12-4-81B C82 L O C C82 12-103B 3027 SX PI 12-4-73B RC-55-2 3/4"-

  • EF A

H C82 C217 CE HS 2205 12-4-26B RC-42-2 3"- REW12B-3"-EF C82 V42-"-EF REW4B-3"-EF ORW V55B-1"-ED dPT 12-4-69B RC-70-2 3/4"-130M3 dPIS 12-4-94B 12-4-14B (CV-7B) SC12-3"-HB PCV-12-FU53A/ PCV-12-FU53B C82 (BACK) AI-454-1-2/ AI-454-1-3 C82 (FRONT) PCV-12-F53A/ PCV-12-F53B SV-12-FU-53B 3"- 12-4-45 SV-12-FU-53A/ PROGRAMMER PROGRAMMER TIMER SV-12-F53B SV-12-F53A/ C82 SV HB ED TIMER C82 SV PCV PCV ED RC-58 RC-88-2 

"-ED (CV-6B) 12-4-44B F.C.

AO ED EF SC12B-3"-ED 1/2"- 2" EF RC-41-2 12-4-13B 3"- NOTE 3 SEE F.C. 12-4-70 PI AO

  • REW4B-3"-ED RV58-1"-ED ORW 12-4-24B 1"-HC RV M-108 NH-36039 (C,6)

FROM BACKWASH CONDENSATE 2. 1. 3. 2 C82 A/S NOTE: 3"- RC-50-2 12-4-22B RT37-3"-HE CST-117 SEE NOTE 1. DELAVAL IDENTIFICATION AO 12-4-20B (CV-3B) (TYPICAL) 12-4-66 PCV HE ED EF ED RT37B-3"-HE F.C. HE HC HC 1"-HC ED 12-4-28B C82 dPS 12-4-82B C82 A H C82 RC-71-2 3/4"-130M3 ORW 1 1/2" RV 3383 1" 12-4-86 12-4-42B (CV-14B) RC-49-2 (CV-8B) AS-24 12 (12-4-1B) CLEAN-UP FILTER/DEMIN T-202B 1"-* SA5-1"-EF 1"- 12-4-43 JB EF F.C. AO 12-4-18B F.C. EF HC 12-4-55 FILTER AO PI V54B-1"-HC 2 JCG 4-29-13 PEB 4-29-13 NH-36255 MONTI CAD DWG ` ' M-129 REV SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A TYPICAL FOR AO VALVES LISTED IN AO VALVE TABLE UNIT 1 REACTOR WATER CLEAN-UP FILTER/DEMINERALIZER SYSTEM P&ID HS-12-4-44B HS-12-4-47 HS-12-4-120 HS-12-4-121 HS-12-4-42A HS-12-4-42B HS-12-4-44A NORTHERN STATES POWER COMPANY Energy Xcel SV-12-4-44A SV-12-4-44B SV-12-4-47 SV-12-4-120 SV-12-4-121 SV-12-4-42A SV-12-4-42B sm PCV-12-4-44A PCV-12-4-44B PCV-12-4-47 PCV-12-4-42A PCV-12-4-42B NO PCV NO PCV HS-12-4-18A HS-12-4-41A HS-12-4-41B HS-12-4-20A HS-12-4-20B HS-12-4-34A HS-12-4-34B HS-12-4-37A HS-12-4-37B HS-12-4-18B HANDSWITCH HS-12-4-14A HS-12-4-14B RT37-3"-HE SV-12-4-14B SV-12-4-18A SV-12-4-41A SV-12-4-20A SV-12-4-20B SV-12-4-34A SV-12-4-34B SV-12-4-37A SV-12-4-37B SV-12-4-18B SV-12-4-41B SOLENOID VALVE NO. SV-12-4-14A 12-4-30B RC-44-2 1"- FG 12-4-87B (CV-9B) AO 12-4-34B F.C. PHASE SEPARATORS M-141 TO CLEAN-UP (E,2) AO VALVE TABLE NH-36047-1 PCV-12-4-14B PCV-12-4-18A PCV-12-4-41A PCV-12-4-34A PCV-12-4-34B PCV-12-4-37A PCV-12-4-37B PCV-12-4-18B PCV-12-4-41B PCV-12-4-14A NO. NO PCV NO PCV PCV NO. NONE NONE NONE YES YES NONE NONE SCALE: 1 NONE B,7 D,1 D,2 B,7 C,1 B,7 D,7 NONE NONE NONE NONE NONE NONE NONE COLOR LEGEND QUALITY GROUP D NONE YES YES NONE NONE NONE NONE NONE NONE NONE CONTROL VLV INST AIR FLOW NONE NONE EXH C,7 B,6 D,7 C,7 B,7 C,7 C,7 B,7 C,7 D,7 B,7 B,6 AIR ISOL VALVE REF DRWG. COORD YES YES NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE INLET AO SV SV PCV PROGRAMMER FROM SERVICE AIR PI INSTRUMENT NH-36049-16 1"-HC PHASE SEPARATORS 12-4-71B L O C C82 FG M-131 AIR AO SA5-1"-JB V54-1"-HC 3111 RV C82 (NOTE 2) HS

  • TO CLEAN-UP (E,2)

M-141 NH-36047-1 M-131 NH-36049-4 (A,5) ORW APPR: DWN: CHK: APPR: CHK: DWN: CHK: APPR: APPR: CHK: DWN: APPR: CHK: DWN: DWN: APPR: CHK: DWN: C82 TIMER 82 81 80 79 77 78 20192 KMF 2-19-10 BAL 2-18-10 JJP 2-16-10 15602 JIH 9-14-12 BAL 9-14-12 JJP 9-13-12 22026 JJP 4-29-13 EC EC EC 11100 MM 7-13-07 JJP 7-13-07 BAL 7-13-07 JJP 3-5-08 BJR 3-11-08 RMG 3-12-08 BAL 12-9-09 JJP 12-8-09 KEC 12-9-09 11951 01121715 A/R 9655 EC EC EC 1 REVISIONS A 84 P B C D E 19336 APPR: ERN 5-10-13 CHK: DWN: BAL 5-7-13 JJP 5-6-13 83 EC 25356 APPR: AJW 3-16-15 CHK: DWN: BAL 3-16-15 JJP 3-12-15 84 EC 84

L.O. PC-19-2 1" HK FROM P-7A & B RECIRC (B,5) ADJUSTABLE WEIR FPW17B-3"-MR 1"-130 4"-29 PC-31 1"-130 FPW3-4"-HC C66 CRW C66 CRW PC-26 8"-142 PS 2770 A 6 1" HC STRAINER PC-45-2 PX 3042 6"-29 PC-3-2 FPW1B-6"-HC L ORW PUMP P-7B ORW PC-46-2 1"-19 12 450 GPM COOLING WATER PI 7981 FUEL POOL 4302 B L PI 7980 HS 42-4302/CS-1 STRAINER 1"-HC PC-45-1 PX 3040 PUMP TRIP LS-2786B FPW1B-6"-HC (D,3) FROM TRIP L C66 PC-3-1 6"-29 FPW1A-6"-HC PUMP P-7A HS 42-4302/CS-2 ORW C66 1"-19 PC-46-1 L C65 L C88 C88 11 450 GPM COOLING WATER ORW FUEL POOL 3302 HS 42-3302/CS-1 TE 2781A PUMP TRIP LS-2786A (D,3) FROM PS 2769 TRIP L C66 (C,2) TO TR-23-115 NH-36247 M-121 HS 42-3302/CS-2 8"-237 PC-25 C66 L C65 L C88 C88 M-111 3/4"-130 PC-7-2 CW5-6"-HF TOP HEAT EXCHANGER PC-9-2 1"-19 TYP FOR 6 FUEL POOL HEAT EXCHANGER E-6B 5 4"-29 PC-5-2 FPW8B-4"-HC PC-4-2 4"-237 PX 2778 TI 2780 ORW CRW PX 2776 RV 1413 ORW 2" VENT ORW 4 NH-36042 A-D TYP FOR 4 FPW9B-4"-HC CRW A-F PC-12-2 4"-29 PC-11-2 1"-19 ORW VENT 12 3/4"-130 PC-8-2 TYP FOR 6 A-F 3/4"-130 TYP FOR 3 PC-10-2 A-C (C,6) PC-48 BOTTOM HEAT EXCHANGER TYP FOR 6 1"-19 PC-9-1 EXCHANGER E-6A FUEL POOL HEAT 4"-HC DRYWELL ORW FPW8A-4"-HC 3/4"-130 3/4"-130 PC-52-2 PC-6 4"-29 PC-52-1 "-HK ANNUNCIATOR (A,3) L C65 PS 2774 PI 2772 C66 L TO PC-47-2 HC (D,3) 10A-6"-HK TO FPW PC-4-1 4"-237 HC 1"HK PX 2777 4"-29 V40-3/4"-HC CRW ORW PX 2775 FPW8-4"-HC 2" VENT PC-5-1 4"-29 (A,3) ANNUNCIATOR L C65 C66 PS 2773 PI 2771 L TO PC-27 8"-237 PC-47-1 3/4"-130 ORW FPW4-2"-HC 2"-19 PC-28 DRYWELL CRW 4"-29 PC-7-1 FPW1-8"-HC V39-3/4"-HC ORW FPW11-6"-HK LI 2788 2" 1"-19 PC-49 CRW (C,6) PC-21 HK REACTOR BLDG CLOSED COOLING A-D TYP FOR 4 FPW9A-4"-HC 4"-29 CRW CW2-6"-HF PC-12-1 A-F 1"-19 ORW WATER PC-11-1 VENT 11 PC-8-1 TYP FOR 6 3/4"-130 A-F TYP FOR 3 3/4"-130 PC-10-1 A-C TE 2781B FI 2830 FPW9-6"-HC HC HC (C,2) NH-36247 TO TR-23-115 M-121 C66 C66 FI 2829 6"-142 L C65 6"-418M7 PC-22 NH-36042 CLOSED COOLING REACTOR BLDG CRW FS 2792 FPW7-4"-HC CW5-6"-HF CW2-6"-HF WATER M-111 H PC-50 L C65 FI 2793 TEST (A,3) FPW11-6"-HK ANNUN FPW11-6"-HK FS 2793 TO H C D 4"-HC PC-43 PC-44 1"-19 PC-24 2"-19 PC-23 FPW6-2"-HC ORW DRAINS LINER ORW 1"-19 MR FPW6-4"-HC HB D106-1"-HB 7,000 GAL/FT. 45'L X 19'W X 26' DP 583 GAL/INCH D105-1"-HB HB MR 160,000 GALLONS STORAGE POOL DRYER-SEPARATOR NH-36256 E FPW14A-2"-HC 2" 2" 2" 2" FPW14B-2"-HC 6 L (A,3) TEST FS 2789 FPW3-4"-HC FPW7-8"-MR FPW3-2"-HC FPW3-2"-HC FPW4-6"-HC FPW4-6"-HC FPW4-6"-HC FPW3-2"-HC FPW2-3"-HC PC-33 4"-29 FPW2-4"-HC FPW4-8"-HC FPW11-4"-HK FPW11-4"-HK FPW16-2"-HB FPW2-1"-HC FPW18-1"-HB TO ANNUN. (A,3) 1"-130 1"-19 PC-32 L C65 FRW2-3"-HC FPW3-4"-HC DRYWELL FPW2-1"-HC A HC MR B 625 GAL/INCH 32' DIA. X 27' DP REACTOR VESSEL 163,000 GALLONS 7,500 GAL/FT. REACTOR WELL FPW3-2"-HC ORW PC-42 FPW5-3"-HC FPW16-2"-HB ORW 3"-29 PC-30 PC-29 1"-19 HB MR MR HB HC MR 1"-19 FPW10B-6"-HK ORW LINER DRAINS HB D103-1"-HB D104-1"-HB MR 1" PC-41 1" 26' X 40' X 39' DP 647 GAL/INCH 2"-MR 7,769 GAL/FT. 303,000 GALLONS 22'-8" DEEP PC-20-2 6"-237 M3 A PC-20-1 6"-237 M3 GATES B FPW17A-3"-MR FUEL STORAGE POOL 2"-MR 2"-MR 2"-MR HC (TYP) MR 2" 2" 2" 2" 5 HC FPW14A-4"-HC HC MR (TYP) LS 2787 H FPW14B-4"-HC ANNUNCIATOR L C65 TO MR 4 N.D. PC-36 1"-DE FROM PS-2773 (B,5) 3 FROM FS-2793 (C,4) FROM FS-2792 (C,4) FROM FS-2789 (C,5) FROM LS-2787 (E,4) FROM LS-2785A (D,3) FROM LS-2784 (D,3) FROM PS-2774 (A,5) 2 4"-142F

4. PANEL C04 LOCATED IN MAIN CONTROL ROOM.
3. PANEL C88 LOCATED IN RADWASTE CONTROL ROOM.
2. PANEL C66 LOCATED NEAR FUEL POOL COOLING WATER PUMPS. (EL.985')
1. PANEL C65 LOCATED ON OPERATING FLOOR. (EL.1001')

A0-4"-418 PC-54 AO-6"-418 FPW13-4"-HB FPW13-6"-HB SYSTEM TROUBLE FUEL POOL COOLING FILTER/DEMIN NH-36257 SYSTEM M-136 A C04 HK FUEL POOL FPW10-6"-HK L O C C66 M-128 NH-36254 FROM R.W.C.U. (B,8) F.C 8"-29 PC-2 6"-256M3 PC-16 6-418M7 PC-15 HK HB AO 2783 F.C L O C C88 6"-29 L O C C66 CV 2782 ORW HS 2783 CST-158 CST-159 NOTES: TO WASTE SURGE TANK NH-36045 (C,6) M-139 M-131 NH-36049-13 (B,6) A/S H.C. EL 1001' 1"-7 CST-28 CST-29 M-131 NH-36049-13 (B,6) N.D. SV 2783 NH-36039 M-108 STORAGE TANK TO CONDENSATE (A,2) C66 HS 2782 E/P 7996 SV 2782 7996 LC C88 AIR SET C66 CST-30 1"-110 A/S 1 A 1 1/2"-HB 3238 PUMP P-85 DECONTAMINATION HIGH PRESSURE CHAMBER DAMP PCV RV 1"-HB 30GAL SUCTION TANK CST-26 1 1/2"-19 SERVICE BOX 1/2" HOSE EL. 1027' LANCE LCV CONDENSATE M-114-1 NH-85509 (E,4) FROM SERVICE B REW11-8"-HE TO RHR PUMP L C88 L C88 FPW1-8"-HC SC5-2"-HB LS 2786A LI 7453 PC-19-1 FPW10A-6"-HK PC-17 FPW10-10"-HK 6"-418 M7 6"-418 M7 FPW12-8"-GE HK GE PC-18 8"-26 PC-35 LS 2786B LL LL T-48A 11 (NORTH TANK) 228 GAL/FT. 4000 GAL L.O. SKIMMER TANK SURGE LS 2785B LS 2785A LT 7996 L C66 L L L C65 LS 2784 CST-33 2"-223 L C66 L C65 H CST-32 2"-130 TO PUMP P-7A TRIP (B,6) M-121 NH-36247 EXCHANGERS FROM RHR HEAT REMOVABLE SPOOL FPW12-8"GE (C,4) TO PUMP P-7B TRIP (B,6) PC-53 PC-1 8"-29 HC HE ADJUSTABLE WEIR TO ANNUNCIATOR (A,3) TO LC-7996 ON C88 NH-85509 M-114-1 (D,4) SERVICE PUMPS FROM CONDENSATE T-48B 4000 GAL 228 GAL/FT. (SOUTH TANK) 12 SURGE SKIMMER TANK MR HC PC-34-1 4"-29 3 2 NH-36247 SUCTION (B,6) M-121 REMOVABLE SPOOL C D REVISIONS PC-34-2 4"-29 1 E CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 76 JJP 3-5-08 11951 01121715 A/R EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36256 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-135 X Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID FUEL POOL COOLING & CLEAN-UP SYSTEM REV 78 T FPC103 T FPC104 22690 APPR: TM 10-1-13 CHK: DWN: BAL 9-26-13 JJP 9-24-13 77 EC 23419 APPR: DJS 2-25-15 CHK: DWN: AJR 2-25-15 JJP 2-25-15 78 EC 78 LE 2789A TI 2779 RV 1412 2789A LI 78 LE 2789B 2789B LI

2830 FIC 6"CV-52B FDPC-2-2 6"-237 RT16B-6"-HC 2833 CR 3PEN 2825 YS 2883 PX 2819 PI A H C88 A H C88 FDPC-5-1 3"-29 PC-51-1 ORW C88 A/S TIMER PROGRAMMER AO-2845 AI-297-1-1 3486 HS FROM (C,6) A/S C88 A B (A,5) 6 TO CR-2833 FPW9-6"-HC FROM PRECOAT TANK C217 HEAT EXCHANGERS FROM FUEL POOL NH-36256 M-135 (B,3) PROGRAMMER TIMER C88 FPC100 C F53A 2794 SX 6"CV-52A M-139 NH-36045 F.C. RT16-6"-HC 2803 AO O L C 6"-237 FDPC-2-1 ACCUM RT16A-6"-HC C217 2833A CE 2833A CIT (E,5) AO-2799 FROM (B,4) PI PCV NH-36257 C D E 2827 dPIS 2829 FE PI-4A 2829 FS C88 TO FI-2829 A L C88 53A1 PCV C88 BACK C88 FRONT AS-18-1 53A PCV C88 2817 HS TIMER PROGRAMMER C88 SV AI-297-6 TO AO-3484 (B,6) FU-53A SV A/S 2829 FIC C88 FIC-1A ToT 2829B FCp NH-36256 FQ-1A M-135 (B,3) C88 NH-85509 PILOT AIR HS 2845 (D,4) SV 2845 2845 AO RT34A-2"-HC 2"CV-57A F.C. C C88 L O 3/4"-HC FE-1A 4150B CST-143-1 2"-HB FS-1A SERVICE M-114-1 COND. L 2"-19 C88 HS 2829A FCp EXT-1A 2829 FT FT-1A 2831 PI 2"-HC PI-2A dPIS-1A HC HK 2829 CV PC-14-1 6"-418M7 (B,3) NH-36045 TO LIQUID RADWASTE M-139 CRW-102-1 (E,2) 2829 HS C88 2829 SV CV-4A M-135 NH-36256 TO FUEL POOL 6 C217 FPC101 C 2795 SX 4" F.C. 6"-HK A H C88 2833B CIT 2833B CE C217 C88 FPWB10-6"-HK A H C88 RT20-6"-HC AI-297-7-1 3485 HS (C,3) 3/4"-HC 5 ORW ALARM ON HIGH TEMP 5614 TS 3484 SV 3484 HS FDPC-9-1 AI-297-6-1 PROGRAMMER HS 2803 TIMER C88 3484 AO C L C88 O FDPC-9-3 3486 AO C88 AI-297-3 2803 SV A/S 3486 SV L C O C ORW 3/4"-HC TO PRECOAT TANK NH-36045 M-139 AO-2846 FROM (C,3) 6"-29 PC-13-1 CH30A-1"-HC HB 2797 PI PI-1A 6"CV-7A F.C. HC PI FDPC-1-1 1"-19 ACCUM HC HE 3/4"-HC PI TYPICAL FOR ALL VALVES 2649 ORW 4 DETAIL "A" FOR "AO" VALVES UNLESS OTHERWISE SHOWN HE FROM LIQUID 3485 AO 3485 FDPC-9-2 RADWASTE M-139 (C,5) NH-36045 CRW-101-1 SV C C88 L O AI-297-1 TO AO-3486 (B,6) HS 2799 PCV 2799 AO C88 L O C TIMER C88 PROGRAMMER 2799 SV A/S HB L (LIMIT STOP) SLUDGE TANK TO WASTE NH-36047-1 M-141 RT33-6"-HE (E,5) F.C. FUEL POOL FILTER/DEMIN T-47A (P.O. M16) 11 C HB FPW10A-6"-HK V37-3/4"-HC 3/4"-130 FDPC-7-1 F.O. HOLDING PUMP 2823 PCV 2823 HS AI-297-2 2823 SV C88 4150B P-55A FUEL POOL 11 AO FPW15A-2-1/2"-HB ACCUM PI L C88 PI-3A 2821 PI 2 1/2"-237 O C FDPC-6-1 FPW15A-3"-HK AI-296-2 SV 2817 A/S 2882 PX PROGRAMMER TIMER C88 HK HB YS-1A HK PCV 2817 AO PCV FDPC-4-1 6"-256M3 6"CV-53A CH29A-1"-HC FDPC-8-1 RT20A-6"-HC 2"CV-51A C FDPC-3-1 1"-19 FPW9C-6"-HC RT33A-6"-HE F.C. 2805 dPT RT20A-6"-HK ACCUM C88 L O PI F.C. HC HK ORW dPIS-2A dPT-1A 2805 dPIS C88 HC HE C88 A H 2815 PCV 6"CV-6A F.C. (B,6) CRS-1 (E,3) PI ACCUM AO SC13A-6"-HB 5 A/S C88 TIMER PROGRAMMER AI-296-4 HS 2815 C88 O L 2815 SV F.C. C LOCAL PANEL A C04 C88 F.P. TROUBLE C F.C. 6"CV-3A RV35-2"-HC RV35-1 1/2"-HC RT33A-6"-HE ORW 2807 C 2801 RV C88 L AO O L C88 O C AI-297-4 2807 PROGRAMMER C88 TIMER 2807 SV HS V78A-1"-HB A/S 1"CV-9A AO PROGRAMMER TIMER C88 2809 AI-297-5 2809 HS 2809 SV A/S C88 FIC-1B NOTE 1 2813 PS AO 2813 AI-296-1 PROGRAMMER TIMER C88 L C O 1"CV-14A C88 2811 AO A/S 2"CV-8A F.C. 2811 2811 HS SV C88 L O 4 TO LIQUID RADWASTE CRW-102-2 NH-36045 AI-296-3 2813 PROGRAMMER TIMER C88 PS-2A HS SV 2813 V53A-2"-HC (E,2) A/S HS 2830 C88 M-139 RV36-2"-HC RV36-1-1/2"-HC PS-2813 & PS-2814 ABANDONED IN PLACE UNDER WRA #72-00875. HS AI-297-10 2800 PROGRAMMER TIMER AI-296-7 AI-297-8 2808 HB HE 3/4"-HC 3 TIMER PROGRAMMER PCV ACCUM AI-297-12 A/S 2804 C88 PI L O C AO 2804 HS 2804 SV C88 AI-297-12-1 3487 HS C88 L C O FDPC-9-4 3487 AO 3487 SV 2 CH30B-1"-HC HB PI-2A 2798 PI FPW9D-6"-HC 5615 TS ALARM ON HIGH TEMP ORW C PC-13-2 6"-29 CRW-101-2 (C,5) NH-36045 1. NOTE: 6"CV-7B F.C. HC PI FDPC-1-2 1"-19 ACCUM FROM LIQUID RADWASTE M-139 2800 AO O C L C88 PCV F.C. AI-296-8 HOLDING PUMP 2824 PCV 2828 dPIS 2826 YS 2830 FE PI-4B FE-1B CST-143-2 RT33B-6"-HE 2"-HB NH-85509 AI-297-7 TO AO-3485 (A,5) A/S (D,4) HS 2846 2846 SV 2846 AO C88 2830 FS TO FI-2830 A L C88 ToT 2830B FCp NH-36256 FQ-1B M-135 (B,3) C88 FS-1B CONDENSATE SERVICE M-114-1 L 2"-19 C88 4150C HS EXT-1B 2830A FCp 2830 FT FT-1B 2832 PI 2"-HC ORW PROGRAMMER TIMER A/S RT34B-2"-HC HC HE 2"CV-57B F.C. L C O C88 3/4"-HC 2824 HS AI-297-11 2824 SV C88 4150C FUEL POOL P-55B 12 FPW15B-3"-HK PC-51-2 3"-29 FDPC-5-2 2820 PI 2885 PX PI-2B dPIS-1B HC HK 2884 PX A/S YS-1B HB HK HK 3 PC-14-2 6"-418M7 2830 CV 2830 SV CV-4B 4" F.C. 6"-HK FPC102 C A H C88 TO CR-2833 (E,5) 2833C CE 2796 SX C217 HB C217 2833C CIT C 6"CV-6B A H C88 2806 dPT CH29B-1"-HC FDPC-8-2 6"CV-53B 2"CV-51B F.O. AO FPW15B-2-1/2"-HB ACCUM PI C88 L PI-3B 2822 PI FDPC-6-2 2 1/2"-237 O C RT20B-6"-HC C FPW10B-6"-HK 2818 AO 6"-256M3 FDPC-4-2 V38-3/4"-HC FDPC-7-2 3/4"-130 ORW RT20B-6"-HK C88 O L F.C. HC HK 6"CV-3B FPW9D-6"-HC FDPC-3-2 1"-19 F.C. ORW 2808 C 2802 RV C88 L AO O FUEL POOL (P.O. M16) T-47B 12 FILTER/DEMIN dPIS-2B dPT-1B 2806 dPIS C88 HC HE TIMER PROGRAMMER C88 2808 SV HS C88 TIMER PROGRAMMER A/S PCV 2816 PI SC13B-6"-HB ACCUM AO AI-296-5 HS 2816 C88 O L 2816 SV PI-6 2834 PI F.C. C88 L O C 1"CV-14B AO 2812 C88 1"-263 AS-26 SC13-6"-HB PCV-1 2835 PCV 2 HC JB 2835 PI SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 1 C88 TIMER PROGRAMMER 2800 SV A/S F53B PROGRAMMER C88 TIMER C88 A/S A B C AI-297-9 2810 PILOT AIR SV AO 2810 V78B-1"-HB F.C. A/S C88 O L C 1"CV-9B PROGRAMMER TIMER C88 SV 2810 HS C88 BACK C88 FRONT 53B1 PCV FU-53B SV 2818 HS C88 PROGRAMMER C88 TIMER AS-18-2 53B PCV A/S SLUDGE TANK NH-36047-1 AS-45 1"-65 TO WASTE AI-296-6 2814 2814 PS 2814 AO 2"CV-8B 2812 F.C. 2812 HS SV A/S C88 L O V53-2"-HC V53B-2"-HC NOTE 1 2836 PI TIMER PROGRAMMER C88 PS-2B HS SV 2814 SA5-1"-JB PI-5 M-141 (E,5) BACKWASH CONDENSATE NH-36039 (C,6) FROM M-108 NH-36049-4 A/S (B,5) SERVICE AIR M-131 FROM DWN: APPR: CHK: 76 1 JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 A/R EC REVISIONS C E 17346 APPR: AVW 1-25-11 CHK: DWN: BAL 1-4-11 JJP 1-3-11 77 EC NH-36257 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-136 N Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm FUEL POOL FILTER/DEMIN. SYSTEM P & ID REV 78 LOCAL LOCAL 23977 APPR: CWB 2-26-15 CHK: DWN: BAL 2-26-15 JJP 2-12-15 78 EC 78 2818 SV PROGRAMMER TIMER C88 POS PCV

CHANNEL A PRESSURE LOGIC HIGH DRYWELL A C05 APPROACH PT 2994B PT 2994A C04 L O C C04 L O C C03 D NOTE 8 P L O C C03 NH-36258 A B C C D C E M-131 NH-36049-14 (B,2) L O C C03 L O C C04 NOTE 8 NOTE 4 CV 2384 PS 4667 CV 2385 NOTE 8 HS S82 DWV-90 DWV-89 L O C C03 N2/AIR SUPPLY NH-36049-14 L O C C04 (B,6) T-RING M-131 C 6 LT38-"-HE NH-36049-14 AO 2896 LT39-"-HE 3/4"-19 L O C C03 L O C C03 ACTUATOR DWV-9 3/4"-19 L O C C04 F.C. DWV-10 C L O C C04 18Ø SUPPLY M-131 (B,6) C C SV 2896 PS 4672 PI 4672 ND CP5-2"-HE NH-36049-14 DWV-88 AIR SUPPLY (A,6) M-131 ND CP2-18"-HE DWV-86 ND N2/AIR SUPPLY CP5-18"-HE ND AO 2383 PI 4667 F.C. SV 2384 SV 2383 DWV-87 CP2-2"-HE XFER C292 F.C. SV 2385 C04 16A-S25 HS SUPPLY C04 16A-S20 HS NH-36049-14 T-RING NH-36049-14 (A,5) M-131 M-131 (B,6) AIR C04 16A-S21 HS C04 16A-S27 HS M-131 NH-36049-14 (B,2) ACTUATOR SUPPLY PS 4666 AO 2387 NH-36881 M-145 L O C C04 CP2-18"-HE NOTE 8 D P F.C. 18Ø NH-36049-14 (A,1) SUPPLY M-131 ACTUATOR (C,6) 6 N2/AIR SUPPLY ND C292 XFER PI 4666 AO 2386 PI 4671 PS 4671 ND SV 2386 NH-46162 (D,6) M-130 SV 2387 S82 HS NH-36049-14 T-RING NH-36049-14 SUPPLY ACTUATOR C04 16A-S24 HS (B,1) (A,1) M-131 M-131 C04 16A-S29 HS N2/AIR SUPPLY T-RING PRIMARY CONTAINMENT L O C C250 PRIMARY CONTAINMENT SUPPRESSION CHAMBER TE 2995F (TYP. OF TE4073-4080) PROTECTION SYSTEM LOGIC NH-36246 M-120 INTERLOCK FOR RHR SYSTEM TE 4247H1 CGC1-6"-CB X-47 L PCT115 PI 7251B ISO LY 7338B L O C C250 HPV1-8"-HE X-206D ES 7369 FROM E/S 4101 PY 7251B 7251B LS 2996A CO7 LS 2996B CO7 E/S C07C-5 CO7 L PCT112 5 LT 2996A A H L C04 H C258 7860B RM 50 PSIG 18" X 20" NH-116629 (C,2) 2996 E/S 4100 FROM M-131 NH-36049-4 (C,6) PCV 3078 SET @ LT 7338B L PCT113 CGC2B-6"-CB DWV-85 AS-191 X-205 LT 2996 C04 LI TABLE 1 SEE X-240 AS-36 PRESS TEST SERVICE AIR AIRLOCK C292 C03 PLR X-209B TE 4073A X-206F T PCT120 4072A A C05 C289A TY TYP. OF 8 X-207A-H PT 7348 1"-JB VENT X-206E X-206C POS 3000 PI 3077 A C04 LOCK AIR P PCT101 1"-JB 1"-156 DWV-27 P PCT103 AS-37 I/I E/S 4100 FROM PT 7251B POS 2999 X-2 X-48 TE 4247C1 X-29E X-29F E/S FROM X-25 7251B C56 PS 10-101B SEAL TEST CONN PS 5-12C E/S 4101 FROM CONTAINMENT LI 7338B C292 PRIMARY SYSTEM ISOLATION P PCT110 C292 C56 C56 5 PS 5-12D PS 10-119B PS 10-101D PS 10-119D C56 C292 C56 C56 CH B2 CH A2 4"x6" CGC1-4"-CB C03 LEVEL X-206G 2382A,B,C,E,F,G,H & K 18" VAC. BREAKER VALVE M-131 NH-36049-14 (B,4) AIR SUPPLY X-209C C289A 4072A TR 4072A C03 TI 4 (TYPICAL OF 8) X-50F TE 4247F1 DRYWELL TE 2995G C04 16A-S61 HS C04 16A-S60 HS SEL ONLY TEST SW X-26 X-32C C04 TE 4247A1 X-50E ALARM LS 2997 H A TE 4073B SV AO T PCT121 L PCT114 PT 7251A X-209A E/S 7251A N.D. X-209D TE 2995E 7251A M-123 NH-36249 (C,2) SEE DWG LT 7338A PLR FROM P D-124 X-202A-K X-230 X-218 X-206H PI 3051 TABLE 1 TYP. OF 10 SEE A H C05 23-115 P D-125 TR C21 2994 PR C55 C55 CH B1 CH A1 (D,3) M-121 NH-36247 PRIMARY CONTAINMENT ISOLATION & REACTOR A H C03 (E,4) P PCT109 C257 7860A RM FLOOD 4 C55 PS 10-119A PS 10-101A PS 5-12A PS 5-12B C56 PS 10-101C P PCT100 PS 10-119C C55 C55 PI 3050 C55 A H L CO5 PS 5-16 PI 4669 CP4A-20"-HE 3/4"-19 L O C CO4 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT CP1-18"-HE AO-2383 IS PROVIDED WITH A STANDBY VALVE TRAVEL POSITIONER WHICH IS LOCALLY CONTROLLED BY A MANUAL PNEUMATIC CONTROLLER FOR USE DPS-2572 AND DPS-2573 WILL OVERRIDE MANUAL CLOSING SIGNAL WHEN PRESSURE IN SUPPRESSION CHAMBER IS 0.5 PSI LOWER THAN ATMOSPHERE. ALL EIGHT VALVE CLOSED INDICATIONS IN EITHER ALARM CHANNEL MUST BE ENERGIZED OR BY-PASSED BEFORE THE RESPECTIVE CHANNEL ALARM ON PER MOD 81M041 VALVES SHOULD BE INSTALLED WITH FLAT SIDE OF DISC TOWARD CONTAINMENT AND SHAFT OF VALVE IN PLANE OF FIRST ELBOW TOWARD CONTAINMENT. DETAILED P & ID'S OF THE ALTERNATE NITROGEN SYSTEM/INSTRUMENT AIR SYSTEM CONNECTIONS TO THE AIR OPERATED VALVE ACTUATORS AND T-RING SEALS FOR THE PURGE AND VENT VALVES AND THE REACTOR BUILDING TO TORUS VACUUM BREAKER VALVES ARE SHOWN ON DRAWINGS NX-9769-17 L O C CO4 M-131 NH-36049-14 (B,5) L O C CO4 L O C CO3 C04 2994D PENETRATION DESIGNATION SPOTMOS DIV. II ACTUATOR SUPPLY CP1-18"-HE C04 16A-S22 HS PI 4665 SV 2381 PS 4665 NH-36049-14 SEE NOTE 7 COMMON DUAL ALARMS FOR dPS 2572 8 VALVES N2/AIR SUPPLY N2/AIR SUPPLY NH-36049-14 AO 2381 3 4072B (TYP. OF TE4073-4080) TR 4072B C289B 4072B TY TI C289B C03 L O C CO4 (B,2) NH-46162 A O C05 CP1-18"-HE A O C05 L O C C04 CGC2A-6"-CB E/S 7251A A H C04 FROM CP11A-1"-HE C ATMOS CP4-20"-HE L O C L O C CO3 (C,6) M-131 T-RING T-RING M-131 (C,5) SUPPLY ACTUATOR N2 MAKE-UP (B,2) NH-46162 M-130 PS 4664 M-131 NH-36049-14 (C,6) F.C. NOTE 8 CP11B-1"-HE C F.C. CP3-18"-HE NOTE 8 AO 2378 PI 4664 20" SV 2378 ND C04 16A-S23 HS SENSOR DESIGNATION 3 NH-36246 TE4080A TE4073A TE4074A TE4075A TE4076A TE4077A TE4078A TE4079A INITIATE LPCI M-130 N2 MAKE-UP SCRAM M-120 (B,3) TABLE 1 DESIGNATION PENETRATION INITIATE CORE SPRAY M-123 NH-36249 (E,5) X-231A X-238A X-232A X-233A X-234A X-235A X-236A X-237A NH-36247 INITIATE HPCI M-121 (B,5) ND SPOTMOS DIV. I TEMP. M-122 (B,3) NH-36248 DESIGNATION SENSOR TEMP. TE4078B TE4080B TE4079B TE4073B TE4077B TE4076B TE4075B TE4074B PS 4670 SV 2377 PI 4670 C04 16A-S30 HS CONTAINMENT L O C CO4 N2/AIR SUPPLY NH-36049-14 C04 16A-S38 HS PI 4668 M-131 NH-36049-14 (C,7) ACTUATOR LT35-1"-HE ATMOS 18" FLG DWV-7-3 1"-19 SYSTEM ISOLATION dPS 2573 & T-RING ACTUATOR (C,4) M-131 C04 16A-S37 HS SUPPLY S82 HS 2 AO 2377 F.O. AO 2380 F.O. TEST CONNECTION (TYP) " VALVE LEAKAGE AO 2379 F.C. SV 2380 NE PS 4668 C292 XFER A O CO4 PS 4669 LT37-"-HE A O CO4 DWV-7-1 NOTE 8 SV 2379 NE NOTES: DELETED DELETED AND NX-9769-18. C05 CAN BE RESET. DURING ILRT DEPRESSURIZATION. DELETED PER MOD 80M017. DELETED AS A RESULT OF MOD 81M041. dPT 2994C dPT 2994D dPI PRIMARY X-234B X-236B X-237B X-238B X-235B X-231B X-233B X-232B 2994C dPI C04 9. 5. 7. 6. 8. 2. 1. 4. 3. ND C 2 NH-36258 MONTI CAD DWG ` ' M-143 REV L O C CO3 FROM SECONDARY CONTAINMENT NH-36267 NH-36267 CONTAINMENT FROM SECONDARY VACUUM RELIEF VACUUM RELIEF AIR PURGE SUPPLY FROM REACTOR BLDG HVAC SYSTEM N2 PURGE NH-36267 M-130 NH-46162 (B,2) P&ID PRIMARY CONTAINMENT & ATMOSPHERIC CONTROL SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm LT36-"-HE 18"-Sp418 DWV-7-2 3/4"-19 CP4B-20"-HE N2/AIR SUPPLY M-131 T-RING NH-36049-14 (B,5) (C,6) & T-RING M-131 N2/AIR SUPPLY ACTUATOR NH-36049-14 VAC DWV-8-2 DWV-8-1 20"Ø BRKR VAC BRKR P D CP10-12"-JB 20"Ø 18"Ø P D DWV-12 P D SCALE: 1 NONE M-155 (B,2) (B,2) (C,1) M-155 M-155 RMG 3-12-08 APPR: APPR: CHK: DWN: APPR: CHK: DWN: 77 78 12558 DCA 5-22-08 JT 5-22-08 JJP 5-20-08 01123311 16563 CWJ 4-26-11 DDW 4-26-11 JJP 4-25-11 EC A/R EC DWN: CHK: 1 76 01121715 JJP 3-5-08 BJR 3-11-08 11951 REVISIONS EC A/R 79 AR A B C D E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 17430 APPR: JAZ 11-1-11 CHK: DWN: BAL 10-31-11 JJP 10-28-11 79 EC 79 79

V-EF-9 TO REACTOR BLDG MAIN PLENUM W & EMERG = 0 CFM (SEE NOTE 2 DWG M-155, NH-36267) S = 0-40,000 CFM V-MZ-1 S = 15,400 CFM W = 15,400 CFM A 6 V-MZ-4 B C BD EXHAUST SUPPLY F.D. FIRE DAMPER DUCT PASSAGE DAMPER FREE AIR INTAKE LOUVER BUTTERFLY SOLDERED DUCT BALANCING B.D.B.D VALVE OUTSIDE AIR DAMPER HELB DAMPER BACKDRAFT S HELB EQUIPMENT COIL COIL HEATING COOLING ZONE # S = -- CFM = SUMMER W = -- CFM = WINTER TAG NO. DAMPERS AXIAL FAN FAN CENTRIFUGAL MOTOR OPER BACKDRAFT DAMPERS BALANCE ROUGHING FILTER LEGEND C C V- -- - H C 1 S OR W EMERG. = 0 CFM W = 0 CFM S = 0-28,400 CFM NH-36263 DISCHARGE FROM V-FU-4 (HOT MACHINE SHOP) 1100 CFM - LO 2400 CFM - HI W = 18,000 CFM 4,750 CFM MIN. S = 0 CFM D E OPERATING WHEN tSS = 90° F 6 (SEE NOTE 2 DWG M-155, NH-36267) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT Energy AIR FLOW DIAGRAM - TURBINE BUILDING CABLEWAY BLOWOUT V-EF-12 B.D.D. tRS=104° F tRS=104° F 12 AC/HR tRW=60° F 3 AC/HR ELEV. 911'-0" CONDENSATE PUMPS 300 CFM PIPE AREA UNDER tRS = 130° F tRW = 100° F 1,600 CFM COND. RESIN tRS = 104° F tRW = 74° F PUMP 18 AC/HR 400 CFM B.D.D. BD tRW = 74° F tRS = 104° F 18 AC/HR tSW = 60° F tSS = 90° F BD 2 3 5,700 CFM 1,200 CFM PIPE WAY 400 CFM 5 3,300 CFM 2,400 CFM 1,200 CFM 400 CFM 200 CFM CLEAN R.W ELEV. 908'-0" 8 AC/HR SUMP 6,750 CFM 9,000 CFM 6 AC/HR ELEV. 911'-0" GLAND SEAL COND. AIR EJECTOR & SWITCHGEAR AREA ELEV. 911'-0" RAILROAD ENTRANCE ELEV. 935'-0" tRW = 100° F tSS = 90° F tRS = 130° F 6,500 CFM ELEV. 908'-0" COND. VACUUM PUMP tSW = 120° F BD 1 2,500 CFM 7,200 CFM DOOR (100 CFM EXFILTRATION) 1,900 CFM 70 AC/HR tRS = 96° F 2,200 CFM tRW = 60° F 11 AC/HR HATCH 6 AC/HR tRS = 104° F tRW = 70° F 13 AC/HR 13 AC/HR TANK ELEV. 908'-0" tRW = 74° F tRS = 104° F 3 AC/HR TANK VENT 2,200 CFM DIRTY R.W ELEV. 908'-0" 10 AC/HR 1,600 CFM SUMP TANK 550 CFM 1,200 CFM HATCH (TYP.) 4 COND. DEMIN. ELEV. 925'-0" PIPEWAY 4,750 CFM tRW=74° F SIDE OF CONDENSER NORTH TO 1,620 CFM (TYP.) HATCH PIPE TUNNEL BACKWASH RECEIVING CONDENSATE 250 CFM 22,000 CFM 104° F 140° F SAMPLE 1,200 CFM STATION 1,200 CFM 880 CFM 100 CFM DEMIN. VALVE CELLS EXFILTRATION TO COND. ELEV. 931'-0" GENERATOR 850 CFM 6,900 CFM 10,200 CFM 90° F 104° F B.D.D. V-AC-3A 150 CFM CFM 150 40 CFM C PANEL C V-AC-2 C C 90° F 2,200 CFM V-D-9302 NC, FC 7,200 CFM 9,000 CFM ELEV. 935'-0" SWITCHGEAR AREA NH-36267 M-155 tSS = 90° F tSW = 100° F tSW = 63° F tSS = 90° F C C H C V-CC-27 2 1 SUMMER VENT UNIT V-AH-1 HELB-9 tRS = 104° F tRW = 60° F 10 AC/HR HELB S = 0 CFM W = 13,500 CFM 5 TO SBGT ROOM VENT AREA 128.8 IN2 V-UH-1 C H 850 CFM ALONG WALL V-UH-20 THRU C H 20 UNIT HEATERS EXFILTRATION TO COND. 200 CFM DEMIN. TANK CELLS 4 EL. 951'-0" W = 3/4 AC/HR S = 5 AC/HR OPERATING FLOOR W = 5,000 CFM ELEV. 931'-0" ENCLOSURE PIPE & ELEC. 4.2 AC/HR NH-36035-2 TANK CELLS 3 AC/HR 3 AC/HR 3 TOTAL 100 CFM ELEV. 936'-6" CONDENSATE INFILTRATION DEMIN. VALVE CELLS ELEV. 925'-0" 2 AC/HR (TYP. FOR 8) tRW=60° F tRS=104° F 1,700 CFM 1,700 CFM 100 CFM V-EF-11 6,550 CFM 29,900 CFM INFILTRATION 200 CFM 40 CFM V-AC-3B 40 CFM B.D.D. CONDENSATE B.D.D. DEMIN. 2,400 CFM C C tRW = 60° F - 100° F V-AC-1 tRS = 125° F 5,200 CFM S 95° F 29,900 CFM V-EF-30 C C 125° F 2,000 CFM V-EF-26 B.D.B.D. BD 1,800 CFM MAIN FLOOR HATCH TO RIGGING TRAY 800 CFM S & W M-104-1 (C,2) 2,000 CFM 2 TO DILUTION AIR FANS BECHTEL JOB No. 5828 Xcel NORTHERN STATES POWER COMPANY tSS = 90° F TO NORTH SIDE 911' TUNNEL tSW = 86° F tSW = 60° F tSS = 90° F HELB-7 OF CONDENSOR BD tRS = 104° F tRW = 72° F EMERG. = 61,400 CFM 6,550 CFM S = 54,800 CFM W = 61,400 CFM 2,400 CFM 7,000 CFM 5,200 CFM VENTILATION NH-36267 STACK M-155 TO MAIN 5,200 CFM tRS = 104° F LUBE OIL COOLERS ELEV. 911'-0" RFW PUMPS 5.65 AC/HR tRW = 60° F ROOM OIL LUBE 2 1 HELB V-MZ-6 C H W = 1,000 CFM HATCH FROM WATER TREATMENT S = 6,000 CFM 3 W = 16,400 CFM tRS = 104° F tRW = 60° F S = 9,800 CFM AROUND TURBINE OPENINGS IN FLOOR CONDENSER AREA 8 AC/HR 37,000 CFM TO ZERO BD RIGGING 911' ELEV. tSW = 50° F tSS = 90° F NH-36267 tSS = 90° F tSW = 100° F M-155 SUMMER VENT UNIT S = 0 CFM ZERO TO 37,000 CFM NC, FC 7,200 CFM HELB-8 HELB N.C. N.O. 1 2 V-D-9303 2 TO REACTOR BLDG MAIN PLENUM S = 0-40,000 CFM W & EMERG = 0 CFM V-MZ-5 V-AH-2 tSS = 90° F SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36263 MONTI CAD DWG ` ' SCALE: sm NONE 1 A REV 79 M-151 H W = 8,100 CFM S = 13,100 CFM S OR W EMERG. = 8,100 CFM tSW = 30° F tSS = 90° F B C REVISIONS 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 11951 16179 RKJ 12-6-11 DDW 12-6-11 JJP 12-6-11 16307,10915 AAR 6-6-13 BAL 6-6-13 JJP 6-6-13 EC 78 S = 44,200 CFM W = 44,200 CFM APPR: CHK: DWN: S = 0-28,400 CFM S OR W EMERG. = 0 CFM W = 0 CFM 77 APPR: CHK: DWN: 76 DWN: APPR: CHK: EC A/R EC 1 D E 22453 APPR: NTM 7-15-13 CHK: DWN: BAL 7-15-13 JJP 7-15-13 79 EC 79

3,400 CFM TEMP. RANGE 68° TO 90° F TEMP. <90° F, R.A. 500 CFM SHIPPING TRUCK AREA W.C.S.P.< AMBIENT P. tRS=104° tRW=50° V-D-69 V-D-70 PUMP RM. No. 2 A B 6 REACTOR BLDG. FLOOR EL. 962'-0" 1,050 CFM BDD NH-36266 C D E (SEE MECH. DWGS.) TANK VENTS FROM T-35 -0.25" W.C.S.P. WASTE SLUDGE CELL CLEANUP PHASE & REACTOR BLDG. FLOOR EL. 985'-6" -0.25" W.C.S.P. FILTER VAULT FUEL POOL No.11 700 CFM FUEL POOL No.12 FILTER VAULT -0.25" W.C.S.P. T-47B BD V-D-68 V-D-67 tRW=50° tRS=120° 417 200 CFM BDD T-47A 550 CFM 1,250 CFM tRW=50° tRS=120° T-27 V-D-66 311 tRW=50° V-D-65 100 CFM tRS=120° BD 418 BDD FILTER VAULT -0.25" W.C.S.P. FLOOR DRAIN BD tRW=50° 419 tRS=120° 100 CFM BDD T-202A RWCU FILTER DEMIN

  1. 1 -0.25" W.C.S.P.

100 CFM P-55B W.C.S.P.< AMBIENT P. tRS=104° tRW=85° 500 CFM 411 BD 300 CFM P-55A PUMP RM No. 1 V-D-77 BDD

  1. 2 -0.25" W.C.S.P.

RWCU FILTER DEMIN 350 CFM T-202B 250 CFM V-D-78 tRW=50° tRS=120° 409 6 CFM P-33 P-56 300 CFM 1,100 423 V-D-75 300 CFM BD CFM 50 BDD 50 CFM 412 tRW=50° tRS=120° V-D-76 410 V-D-9101 FLOOR EL. 936'-9" V-D-9100 5 TIC 7927 HEATER 1,600 CFM CFM 50 dPI TS 7928 V-F-12 BDD CHARCOAL DEMISTER ABSOLUTE 600 CFM 2,200 CFM 4 ROOF EXHAUSTER (SEE NOTE 3) V-EF-52 4000 CFM O.A. M O.A. SHIPPING BLDG. M 200 CFM DRUM AREA STORAGE 3,600 CFM 5,600 CFM BD T-26 T-24 T-19 tRW=50° tRS=120° -0.25" W.C.S.P. TANK CELL COLLECTOR (SEE MECH. DWGS.) TANK VENTS PHASE CELL tRS=120° -0.25" W.C.S.P. CONDENSATE SEPARATOR tRS=120° tRW=50° -0.25" W.C.S.P. DEMIN. VAULT WASTE COLLECTOR PUMP RM No. 3 312 CFM 50 V-D-71 tRW=50° 420 100 CFM V-D-72 -0.25" W.C.S.P. WASTE COLLECTOR tRS=120° FILTER VAULT BD T-25 T-65 BDD BD BD 850 CFM 2,000 CFM 317 tRW=50° V-D-74 600 CFM V-D-73 420A BDD 100 CFM 550 CFM W.C.S.P.< AMBIENT P. P-32 1,400 CFM P-30 P-35 tRW=85° tRS=104° 5 BD BDD BDD 1,400 CFM BD CFM 850 550 CFM 1108 V-FU-1 1/2 SIZE FAN 5,600 CFM 5,600 CFM BD 4108 1/2 SIZE FAN 5,600 CFM V-FU-2 5,500 CFM EACH 1/2 CAPACITY 50 TO 400 CFM SEE NOTE 4 421 V-MZ-3 11,100 CFM BDD 4 11,200 TO MAIN EXHAUST PLENUM AIR FLOW B CFM 2214 CH. WATER V-MZ-3B BDD C H STM A V-MZ-3A 3214 BDD STM C C H SET @ 0.25" W.C.S.P. 310 CFM 1,700 50 CFM tRS=72° FILTER MAY BE REMOVED AND REINSTALLED BY PROCEDURE. REQUIRES SPECIAL PERMISSION TO RUN DUE TO CONCERNS OVER UNMONITORED HIGH RAD. LEVEL STORAGE DESIGNED FOR OPERATION AT HALF CAPACITY UNDER WINTER CONDITIONS OR AS REQUIRED UNIT V-MZ-3 AND MAIN EXHAUST UNITS V-FU-1 AND V-FU-2, THESE UNITS ARE AIR FLOWS SHOWN ARE SUMMER DESIGN FLOWS FOR AREAS SERVED BY MAIN SUPPLY INDICATES ITEM FURNISHED WITH PLANT OPERATING EQUIPMENT. 3 CFM 200 200 CFM INFILT. 641 CFM 11,200 CFM 4,600 CFM 880 CFM RADIOACTIVE RELEASES. IN THE INTERMEDIATE SEASONS. 3. 4. 2. NOTES: 1. BD 144 880 CFM 880 CFM 880 CFM 880 CFM BD BD BD BD BD 800 CFM 143 +0.25" W.C.S.P. COMPACTOR WASTE CFM 350 2 142 750 CFM EX. HOOD 140 800 CFM LOW RAD. LEVEL STORAGE -0.25" W.C.S.P. tRW=50° tRS MAX.=104° tRS=85° 4148 1,660 CFM CFM 1,800 CFM BD & WBDD (OPERATING GALLERY) tRS=72° 600 tRW=72° 910 310 V-MZ-2 100 TANK ROOM LAUNDRY DRAIN 0 MIN. 350 MAX. V-EF-13 H&V EQUIPMENT RM. No. 1 CFM 250 V-HC-4 600 CFM V-UH-21 300 500 CFM TEMP. RANGE 60° TO 74° F 350 CFM TEMP. RANGE 68° TO 100° F 1,700 CFM BD 700 CFM 400 CFM CFM 250 130 400 CFM BD 400 CFM CONTROL ROOM tRW=72° -0.12" W.C.S.P. tRS=104° tRW=55° TANK ROOM 148A H&V MECH. EQUIP. tRW=50° ROOM No. 2 CFM 300 CFM -0.25" W.C.S.P. 1,050 CFM tRS=104° BD STM 450 CFM BD 3 BARBER COLMAN No. 10, OR APP. EQUAL HIGH VELOCITY INDUCTION UNIT V-HC-1 TEMP. RANGE 68° TO 80° F 4 C BD BD 3 550 CFM 2 1 C BD BD H W.B.D.D. SET FOR 0.25" W.C.S.P. 400 CFM CH. WATER 148 BD 2213 H C C C STM H 149 BD C STM 6,800 CFM STM 800 CFM 250 CFM 50 CFM tRW=50° +0.25" W.C.S.P. tRS=104° CFM 150 100 HOPPER No. 1 tRS=104° tRW=50° -0.20" W.C.S.P. 250 CFM -0.20" W.C.S.P. tRW=50° tRS=104° HOPPER No. 2 2,000 CFM L29, CKT. 6 V-EF-16 CFM 50 600 CFM 50 CFM 1,800 CFM 100 W.C.S.P.> AMBIENT P. BD H STM C tRW=72° CORRIDOR tRS=72° CFM CFM 145A CFM BD 152 151 141 310 910 1,800 CFM 150 310 CFM CFM 910 CFM 910 CFM 70 CFM 70 CFM BD BD BD & BDD V-HC-2 TEMP. >90° F 500 CFM EXHAUST (SEE NOTE 3) BD & BDD V-HC-3 tRW=50° tRS=104° CENTRIFUGE No. 2 -0.125" W.C.S.P. -0.125" W.C.S.P. CENTRIFUGE No. 1 H MAX. 500 CFM MIN. 150 CFM 900 CFM 150 5,000 CFM STM C 322 CORRIDOR W.C.S.P.> AMBIENT P. 900 CFM tRS=72° tRW=72° 319 320 STM H 321 C BD 70 CFM 830 CFM 830 CFM 70 CFM 70 CFM 830 CFM 830 CFM tRW=50° tRS=104° BD 2 1 RADWASTE BLDG. EL. 935'-0" A B OR APPROVED EQUAL MFD. BY A.A. FILTER Co., "ROTOCLONE" TYPE "W" AS 7 1/2 HP No. 8 4122 V-CF-1 RADWASTE BLDG. EL. 947'-0" RAD. WASTE DRAIN SYSTEM TO CLOSED DM-256 800 CFM CFM 450 CFM 450 CFM DEMIN. WATER RADWASTE BLDG. EL. 965'-6" DWN: APPR: CHK: 1 76 REVISIONS 01121715 JJP 3-5-08 11951 RMG 3-12-08 BJR 3-11-08 EC A/R C D E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36266 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-154 G Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm AIR FLOW DIAGRAM RADWASTE AREA REV 77 77 441 CFM BD MACHINE SHOP HOT 441 CFM INFILT. 77 15644 APPR: CB 10-13-11 CHK: DWN: AWL 10-12-11 JJP 10-12-11 77 EC

dPT 1800 XJ 1160 1 "-65 1 "-65 CW-42 TANK T-63 VACUUM CONTROL SW-75-1 SW-75-2 C101 (NOTE 1) GATE ISOLATING CW-51-2 VENT NH-36489 VENT A B C N.W. N.W. D TE 5011 8 CW-51-1 10" EPA HOT WATER SPARGER LINES M-800-1 NH-36489-2 (B,8) (B,5) 1" CW-52-2 2 1/2" 1" 2 1/2" CW-52-1 T CWT101 CW-16 36"-456 TT 5011 RTD CW-12-2 CW-12-1 A L C06 A L C06 FOR 4 C.W. GATES PUMP P-50B BKR 2120 WATERBOX SCAVENGING SEPAR T-62B WATER 12 N.W. CONTROL CIRCUIT M-811 NH-36665 (A,4 & A,7) PUMP TRIP C 12 PI 2479 5" 5"- 1 "

PUMP P-50A BKR 3120 WATERBOX SCAVENGING V26 V46 ATMOS WATER SEPAR T-62A 11 N.W. ATMOS 8 11 PI 2478 5"- 5" 1 "

L CWT110 C101 SW-76-2 C06 1853A LS TDR 95-34 5"-54 CW-11-2 1 "- SW-77-2

C101 LS 1853B LT 1853 SV 1910 C06 C06D-2 E/S

1 "-65 SW-78-2

1 "-65

C06 1853A LI N.W. 5"-54 CW-11-1 SW-77-1 1 "-

6"-54 SV 1909 CW-43 1 "-65

SW-78-1 SW-76-1 1 "-65

CW-116 CW-118 VRV 1913 CIRCULATING WATER PUMP TT 1808A RTD 36" DE-ICING LINE S-100B - BKR-2314 S-100D - BKR-2315 CW GATE (TYP OF 2) MOTOR OPERATED 7 6 SWB-6A & 6B STILLING WELLS T CDR105 TT 1805 T-221 TX 1812 AI-812-2 AI-812-1 AI-811-1 AI-811-2 TT 1806 T CDR106 TX 1811 M-110 NH-36041 (E,5) FIC 1853 SERVICE WATER SW-74-2 1 "-65

LI 1853B YS 1908 C101 SW-74-1 1 "-65 CS 42-3120 CS 42-2120 LG 1917 PS 1916

YS 1907 PS 1915 7 PI 1914 CW-117 T-220 MO 1157 HS 1157 L O C C06 RTD RTD L O C 3117 BKR V25-6"-JB XJ 1161 90" N.W. dP CDR100 C06 1801 dPI C06 C06E-4 E/S dPT 1801 TX 1814 6 XJ 1817 & O/L CWT132 MO 1851 TE 5044 SX 1845 HS 1851 5044 12 BKR 152-405 P-100B VC 5611 VS 5611A T TT VS 5611B CW-113 5 XJ 1849 CWT130 TE 5042 T TT 5042 TE 5040 5040 CWT119 TT T MV/I C101 MV/I C101 POS 1851 PI 1847 BKR 1331 78" TE 5034 CWT108 T MV/I C101 RTD LP CONDENSER T CDR103 L CWT109 TDR 95-33 (NOTE 2) BYPASS 4"-54 CW-9 CW-10-3 A C06 C06 CW-44-2 A H C06 C06 152-405 CS C 4"-54 CW-10 C C06 1852A LS A TRIP C06 C06 43-102 CS PUMP TRIP C L A VAR 1861 VAR 1859 CW-10-9 TT 1808C (WEST) CW-10-7 CW-10-1 CW-91 2" 4" 4" TT 1808B RTD CW-10-8 CW-10-2 1" 1" 1" 1" 1808D RTD TT RTD C06 1852A LI LT 1852 CW-44-1 LS 1852B L O C C06 90" C101 90" C101 C06 C06D-1 E/S 4" 4" LI 1852B PT 5303 C101 90" C06 1800 dPI (EAST) CW-90 C06 C06E-3 E/S 12 E-1B 5 dP CDR108 2" XJ 1838 2" VAR 1856 HP CONDENSER CW-10-12 1" (A,8) M-800-1 NH-36489-2 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT CV 2589 D21-08 CKT CIRCULATING WATER PUMP A TRIP C06 CW-9-12 CW-10-6 CW-9-6 (C,5) NH-36489-2 M-800-1 4 STILLING WELLS (NOTE 1) ISOLATING S-100C - BKR-1315 MOTOR OPERATED (TYP OF 2) S-100A - BKR-1314 108" 108" GATE C06G-1 E/S C06 CW GATE VENT 108" SWB-5A & 5B BKR 152-305 P-100A 11 VC 5610 VS 5610A CW-9-2 CW-9-8 1" CONDENSER WATER BOX VAR 1858 C101 P CWT100 FIC 1852 4" 3116 BKR HS 1156 MO 1156 CW-9-1 L O C C06 AI-813-1 AI-813-2 AI-814-2 AI-814-1 CW-9-3 4" L O C CW-92 1" CW-9-9 CW-9-7 VAR 1860 4" 4 CW-47 TR 1804 90" C20 VAR 1855 TIMER M-131 NH-36049-3 (B,3) A/S PUMP-DOWN C 1" HS 2589 N.D. A H C06 SV 2589 CW PUMP CW-8 TRIP 1" CW-46-1 1" 90" 1" VAR 1857 CW-9-11 CW-10-5 CW-9-5 1" 1" VAR 1854 4" (C,1) & O/L CWT129 TE 5041 TT 5041 C101 MV/I XJ 1848 3 MO 1850 SX 1844 HS 1850 CWT131 MV/I C101 T TE 5043 TT 5043 VS 5610B CW-112 MV/I C101 CWT118 T TE 5039 TT 5039 T 78" PI 1846 POS 1850 BKR 2316 NH-36664 (B,6) SYSTEM WATER M-112 RHR SERVICE TE 5033 RTD CWT107 T SW6-24"-JF M-800-1 (B,8) NH-36489-2 dPT 1799 TT 1807B CW PUMP TIMER M-131 NH-36049-3 (B,3) POT 1155 L O C C06 D11-08 CV 2509 ATMOS C06 152-305 CS C 1" 4" 2" 2" HS 2509 90" L O C C06 SV 2509 N.D. MO 1155 C06 1155 POI HS 1155 CKT L O C TRIP 6" T CDR104 CW-9-10 CW-10-4 CW-9-4 4" 1" 4" 1" 1" 3 C06 C06E-2 E/S dP CDR109 C06 1799 dPI CW-46 TT 1807A RTD CW-45-2 NH-36046 DISCHARGE RADWASTE M-140 INTERLOCK TO A/S BKR 3115 78" INT N.F. INT. L.F. XJ 1159 PX 1862 108" C06 POI 1154 C L O CW PUMP TRIP M-131 NH-36049-3 (C,3) TIMER A/S TT 1807C RTD RTD CW-10-11 (WEST) HS 2590 SV 2590 N.D. 1" CV 2590 D21-08 CKT TX 1813 NH-36489 MONTI CAD DWG ` ' M-800 REV CLOSED CYCLE SEQUENTIAL BYPASS SWITCH. DISCHARGE STRUCTURES. INTERCHANGEABLE USE AT INTAKE AND TWO CONCRETE GATES PROVIDED FOR P&ID CIRCULATING WATER SYSTEM Energy NORTHERN STATES POWER COMPANY 2 NOTES: Xcel 1. 2. sm 1 SCALE: NONE dPT 1798 dP CDR110 C06 1798 dPI C06 C06E-1 E/S L O C C06 PX 1864 CW-45-1 HS 1154 MO 1154 BKR 3108 POT 1154 6" PX 1863 XJ 1158 78" INT. L.F. INT N.F. HS 2510 N.D. CW-10-10 E-1A CV 2510 D11-08 CKT 1" 11 ATMOS 2" 4" SV 2510 2 1" (EAST) TIMER M-131 NH-36049-3 (C,3) A/S CW PUMP TRIP XJ 1818 TX 1815 T CDR102 TX 1816 SERVICE NH-36041 (E,3) SYSTEM WATER M-110 TT 1810C TT 1810D TT 1810B TT 1810A SERVICE SYSTEM NH-36041 M-110 (E,6) WATER SW4-12"-JF SW8-14"-JF 20" RTD RTD RTD RTD T CDR101 TT 1809B TT 1809A TT 1809D TT 1809C RTD RTD RTD RTD REVISIONS 1 84 T A B C D 20419 APPR: JCG 9-25-12 CHK: DWN: BAL 9-25-12 JJP 9-24-12 82 EC CW-120 CW-119 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 18765 APPR: JCG 8-13-13 CHK: DWN: BAL 8-12-13 JJP 8-7-13 83 EC 24667 APPR: BJR 5-21-15 CHK: DWN: BAL 5-20-15 JJP 5-19-15 84 EC PI 1855 84 PI 1854 84 PI 1861 PI 1857 84 PI 1860 PI 1856 PI 1858 I-CWT-R-1858 TYGON TUBE USED FOR WATERBOX LEVEL INDICATION PI 1859 I-CWT-R-1859 84 TYGON TUBE USED FOR WATERBOX LEVEL INDICATION TYGON TUBE USED FOR WATERBOX LEVEL INDICATION TYGON TUBE USED FOR WATERBOX LEVEL INDICATION

PT 5304 COOLING TOWER PUMP PI 1867 NH-36489-3 POS 1871 C06 2" DRAIN (TYP) CW-19 2"-65 BKR 152-802 P-101B COOLING TOWER PUMP BKR 5106 RTD TO COOLING TOWER PUMPS MOTOR CIRCUITS MO 1872 HS 1872 CW-50 PI 4837B M-800 NH-36489 (A,2) A 8 108" (NOTE 1) P-134B GATE ISOLATING C06 C06G-3 E/S P CWT117 3" 12" PI 1868 PT 5305 NH-36489-2 B C D FROM DIRTY DRW-62 M-800 NH-36489 (B,2) VAR 4836B NH-36046 M-140 SYSTEM (B,1) RADWASTE M-800 NH-36489 (A,8) 10" PUMP TRIP C06 C POS 1872 L O T CWT102 TE 5048 RWN28-2"-HC 3/4"-19 DRW-56 CV 3374 N.E. 8 SV 3374 N.E. CV 3375 SV 3375 HS C102 MO 1871 HS 1871 CW-49 PI 4837A MO 1874 C XJ 1870 5104 7 6 T CWT125 TT 5030 TE 5030 TE 5026 T CWT121 TT 5026 TT 5028 T CWT123 TE 5028 C102 MV/I C102 MV/I A C102 VC 5613 VS 5613A 12 VS 5613B C T CWT106 TE 5032 C102 MV/I RTD TRIP & O/L 5 SLUICE GATE S-103B BKR 108" ISOLATING (NOTE 1) P-134A GATE 12" 3" C06G-4 CWS-1 1 1/2" E/S P CWT116 C06 FI 2895 COOLING TOWER (D,2) AIR SYSTEM M-131 NH-36049-17 SEE NOTE 3 FIC 1875 M-131 NH-36049-17 (D,5) LI 1875B C06 1875A LS LT 1875 LS 1875B HS C06 66" A802 C84B C L L CW-37 L C06 C06D-3 E/S L CWT111 108" C102 C06 1875A LI C102 C102 N.E. 3377 CV AI-784-2 C102 C A AI-784-1 C102 HS 1874 DRW-57-1 3/4"-19 A L C06 C102 C CV 3376 3/4"-19 DRW-57-2 AI-783-2 C102 N.E. C102 DISCHARGE STRUCTURE 3377 SV 7 A C06 NH-36049-17 (D,5) HS C102 M-131 3376 SV C84B TROUBLE C06 A FAN TROUBLE 6 FI 2474 VAR 4836A NH-36489 HS C06 O L C DRW-60 2"-130 DRW-61 2"-130 AI-783-1 C102 C102 2"-130 DRW-59 DRW-58 2"-130 C102 HS 1900 M-800 (A,4) M-800 NH-36489 (A,8) 10" FI 2476 C MO 1900 L O C C06 FI 2475 84" 5001 FI 2477 BKR 2" 2" 2" 2" FAN TROUBLE (COMMON FOR E-100B FANS) FIC 2467 TX 1878 VS 1890 THRU 1898 C06G-5 2389 C06 L CWT113 LT 5202 LI B6 E/S C06 TRIP HS B6 C06 C HS TYP FOR 9 FANS TRIP A C102 TOWER 60" 60"-455 CW-4-2 RTD T CWT115 TE 5036 96" E-100B 2"-65 CW-20 B6 5 COOLING 12 L CWT112 B5 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT MO 1873 C XJ 1869 4 VS 5612B T CWT122 TT 5027 TE 5027 C102 BKR 152-702 TT 5029 T CWT124 TE 5029 C102 MV/I 11 P-101A (B,7) M-800-2 VS 5612A VC 5612 A C102 TE 5031 T CWT105 TT 5025 T CWT120 TE 5025 MV/I C102 MV/I RTD & O/L TRIP 3 TT 5013A RTD 1 1/4"-JB* (TYP) TE 5013A NH-46144 TO SAMPLING M-158 SYSTEM (C,7) SLUICE GATE S-103A CANAL TO RIVER BKR 5103 TT 5013C TE 5013C TT 5013B TE 5013B RTD TT 5013D TE 5013D RTD RTD S-106A DRAIN GATE 60"-455 SLUICE GATE SEE NOTE 3 S-105A 60" CMP 60" CMP 54" CMP 18" CMP 54" CMP C84B A702 BKR 5105 C O L 66" C C06 HS L S-105B SLUICE GATE C L C102 L TO CANAL ONE OR MORE FANS RUNNING ONE OR MORE FANS NOT RUNNING 3377-1 COOLING TOWER FANS K-100K THRU N AND P THRU T K-100A THRU H AND J 60" TX 2473 LS 3377-2 CW-3-2 60"-455 S-106B DRAIN GATE A L C06 LS 4 L C06 L C06 C06 L OVERFLOW 78" 3376-1 LS LS 3376-2 TX 1877 A C06 C06 L L 18" CMP STOP LOG SLOTS (TYP) SCREEN (TYP) HS HS 1873 L C06 O C 84" L BKR 5002 C MO 1899 C C06 O 1804 TR C20 T CWT103 HS 1899 C102 60" 60" TOWER E-100A 2" DRAIN (TYP) 60" CW-4-1 2"-65 CW-18 2"-65 CW-17 COOLING 11 3 FIC 2466 LT 5201 CW-3-1 60"-455 RTD TE 5035 T CWT114 TX 2472 C06 2388 LI B5 E-100A FANS) (COMMON FOR FAN TROUBLE TYP FOR 9 FANS TRIP VS 1881 THRU 1889 B5 C06 C06G-2 E/S HS C102 TRIP A C C06 HS NH-36489-2 MONTI CAD DWG ` ' M-800-1 REV 2 1 CLASS JB OR HDPE (REF EC 21637) CLOSED CYCLE SEQUENTIAL BYPASS SWITCH. USE AT INTAKE AND DISCHARGE STRUCTURES. TWO CONCRETE GATES PROVIDED FOR INTERCHANGEABLE CIRCULATING WATER SYSTEM P & ID NORTHERN STATES POWER COMPANY Energy Xcel sm NOTES: 3. 1. 2. SCALE: NONE 81 A A FI 2894 C84B COOLING TOWER AIR SYSTEM M-131 NH-36049-17 (B,6) 2 DWN: APPR: APPR: CHK: DWN: CHK: 77 76 12799 JCG 7-1-08 BAL 7-1-08 JJP 7-1-08 EC REVISIONS 1 01121715 JJP 3-5-08 11951 RMG 3-12-08 BJR 3-11-08 EC A/R B C D 11603 APPR: JCG 11-16-12 CHK: DWN: BAL 11-14-12 JJP 11-14-12 78 EC HS 1873-1 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 21637, 18765 APPR: CWB 8-6-13 CHK: DWN: BAL 8-6-13 JJP 8-6-13 79 EC SWB-7A SWB-7B SWB-8A SWB-8B

  • SEE NOTE 3 22533 APPR: JCG 5-12-14 CHK:

DWN: BAL 5-12-14 JJP 5-12-14 80 EC HS 1874-1 21202 APPR: JCG 10-19-15 CHK: DWN: BAL 10-16-15 JJP 10-13-15 81 EC 81 81 81 AI-786-1 C102 AI-786-2 C102 AI-785-2 C102 AI-785-1 C102

EMER GEN. FP-196 FP-199-2 FP-126 8 A B 7 6 RADWASTE BLDG L.O. HYDRANT VALVE DETAIL 1 ELEVATION VIEW STREET OPERATOR 'T' HANDLE ACCESS FOR DRAIN HYDRANT VALVE GRADE HANDWHEEL FOR FP-146 FP-147 L.O. FP-148 L.O. L.O. FP-187-1 FP-187 M-134 NH-36048 (C,3) M-134 NH-36048 (B,3) FP-194-1 FP-194 FP-194-2 14 26 SWITCH YARD FP-229 FP-232 FP-198 18 FP-198-2 20 FP-200-2 FP-198-1 FP-228 FP-200 L.O. FP-200-1 FP-162 L.O. L.O. TO SAB 24 FP-38 FP-161 FP-227 FP-290 FP-49 FP-114 FP-230 L.O. L.O. FP-187-2 7 FP-37 ACCESS SECURITY FACILITY FP-36 L.O. FP-231 19 L.O. M-134 NH-36048 (A,8) M-134 NH-36048 (A,8) GUARD HOUSE DRAIN FP-32-1 5 4 3 FP-196-1 FP-196-2 16 25 FP-191 FP-191-2 FP-199-1 FP-199 FP-35 FP-291 11 FP-33 FP-20 L.O. L.O. FP-34 FP-191-1 STREET OPERATOR FOR VALVE SPRINKLER ALARM VALVE POST INDICATOR VALVE DELUGE VALVE S D (SEE DETAIL 1) HOSE HOUSE ON GROUND LEGEND FP-193-1 FP-219 NH-36048-2 L.O. SEE DWG FP-193 FP-193-2 FP-31 13 FP-32 NH-36516 Energy Xcel NORTHERN STATES POWER COMPANY 2 1 FP-197 MONTICELLO NUCLEAR GENERATING PLANT This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. FIRE PROTECTION SYSTEM YARD AREAS FLANGED CONNECTION FOR STORTZ COUPLING. NOTE 1. sm FP-195 FP-29 FP-195-2 FP-195-1 15 L.O. FP-30-1 DRAIN FP-30 17 FP-197-1 FP-197-2 ASME CLASS 2/QUALITY GROUP B ASME CLASS 1/QUALITY GROUP A M-810 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C NONE SCALE: COLOR LEGEND REV 83 S A FP-28 B FP-189-1 FP-189-2 FP-150 FP-184-2 NH-36516 C FP-185-2 FP-185-1 5 FP-183-1 FP-183-2 3 D 8 SODIUM HYPOCHLORITE BLDG L.O. RECOMBINER BLDG L.O. FP-39 FP-185 FP-183 FP-41 L.O. FP-40 STORAGE TANK STORAGE TANK CONDENSATE CONDENSATE CO2 & STOR. H2 FP-42 L.O. FP-181-1 FP-181 FP-181-2 1 DIESEL GEN FP-44 M-134 NH-36048 (C,1) BLDG L.O. L.O. L.O. FP-43 FP-45 7 ADMIN M-134 NH-36048 (B,8) BLDG REACTOR BLDG TURBINE BUILDING ADMIN BLDG ADDITION SECURITY 9 M-134 NH-36048 (C,1) HEATING BOILER BLDG FP-156 EFT L.O. 4 FP-184-1 SWITCHGEAR M-812 NH-36666 (D,6) (D,1) TURBINE BLDG ADDITION TANK L.O. DIESEL FIRE PUMP STRUCTURE INTAKE FP-15 FP-182 2 NON 1E 13.8KV ELEC ROOM FP-182-2 DIESEL GEN FP-182-1 6 COOLING TOWER FP-24 FP-122-1 FP-124-1 FP-118-1 FP-120-1 WAREHOUSE 1 & 2 FP-127 FP-19 L.O. FP-189 S FP-151 L.O. FP-149 L.O. L.O. FP-184 FP-18 L.O. FP-127-1 FP-186-2 FP-186 FP-16 FP-21 FP-17 L.O. L.O. L.O. FP-22 FP-186-1 6 5 PEB/TSC

  1. 12 4

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  1. 11 12 FP-26-1 FP-192-2 FP-192-1 DRAIN FP-190-1 FP-25 FP-190 FP-190-2 FP-24-1 DRAIN FP-26 2

EC 17089 80 APPR: CHK: DWN: FP-27 NEO 12-27-11 PEB 12-27-11 JJP 12-27-11 C REVISIONS APPR: CHK: DWN: 79 CHK: DWN: APPR: 78 CHK: APPR: WMS 10-9-09 TJF 5-18-11 WGN 5-21-11 15270 WMS 5-21-11 EC JJP 10-8-09 RMG 3-12-08 14085 BJR 3-11-08 DDW 10-9-09 EC CHK: APPR: 77 DWN: 76 DWN: AJM 7-12-07 11951 AJM 7-12-07 JJP 7-9-07 JJP 3-5-08 01121715 EC A/R 906 1 EC D DWN: CHK: APPR: 81 BAT 11-6-12 AWL 11-6-12 TJF 11-6-12 15645 EC ROOM 23478 APPR: AJR 3-27-15 CHK: DWN: DAM 3-27-15 JJP 3-27-15 82 EC FLEX STORAGE BUILDING FP-275 L.O. FS 7973 PI 7973 FP-276 FP-282 FP-283 FP-284 FP-285 FP-286 DRAIN EXTERNAL WATER SUPPLY (INTAKE) FP-287 SPRINKLER RISER 24364 APPR: DAM 7-7-15 CHK: DWN: AJR 7-7-15 JJP 7-7-15 83 EC 83

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  • I This map/dn* *~~nf is to assist in the performance of their jobs.

Your safety is provided

  • ~;>~ing safety practices, procedures and as described in safety manuals and SPAR's.

125V DC DISTRIBUTION ELECTRICAL SCHEME ~EC23475 DWN: JJP 4-9-15 CHK: BAL 4-9-15 APPR: DJS 4-9-15 L ~~~~ E 110 2 MONTICELLO NUCLEAR GENERATING PLANT I SCALE: NONE I REV 80 1}, X eel [nergym NE-36640-2

L NE-36640-3

  1. 11-125V DC DISTRIBUTION PANEL ill1 (F.P. #5828-E12-1)

SCHEME CKT SWITCH FUSE AMPS LOC. ROUTING WIRE NUMBER NO RATING NOTE 2 DESCRIPTION ii'ERAU SIZE AMPS NOTE-1 D1 1 100 100 111-125V 0~1 Cl 12 Dl 2 100 100 114-125V DAI 12 Dl103 3 30 30 RECIRC. PUMP MG SET CUNIKUL PNL 2-184-IIA Z4-11A D2103 10 I Dl104 4 30 30 FIRE eKL tL IIUN C20 10 Dl105 5 30 30 DIV I ATWS ~ 9-95 D2105 II 0 1 Dl106 6 30 30 REACTOR WTR CL UP & RECIRC BENCH BOARD C04 D2106 10 D1107 7 30 30 PLANT FVAriiATION SIREN cvN, KvL N3106 10 Dl108 8 30 30 LK & BENCH BOARD C06 10 DII09 9 30 30 UK Jt:.. AUX. POWER BENCH~ COB D2109 10 Dill 0 10 30 30 . A~ SPRAY & AUTO BLOWD~ RElAY~ C32 D2112 110 D1111 11 30 30 . A I ISOL AND PROT SYS Cl5 D2111 10 Dlll2 12 30 30 RCIC RELAY VERTICAL BOARD C30 10 D1113 13 30 30 GEN PROT. CAB. C254 10 Dlll4 14 30 30 SPAI D1115 15 30 30 TIP NEUTRON Mi\\PPiNGj~CiiBiiill C13 10 D1116 16 30 30 ATWS INVCKI :K A D2114 10 ..Q.!_ 117 17 30 15 I

D ISOLATION VALVE RELAY PANEL C41 D2117 10

!I~H 1 1B 30 15 OVE" /UNDER VOLTAr.~ GND. DET. RELAY 14 119 19 60 60 I BENCH BOAR[ C07 '6 120 20 60 60 Tl I 1 v" ~ETER & RELAY BOARD C31 16 D1121 21 60 60 L1~r liN~ PANEL (SEE DWG I '~lfs~*,' 22 60 5 COMPUTER INPUT BAT. 101 D1123 23 60 60 111 - 13.BKV SWGR & 2R RELAYING 1 02123 !6 D1124 24 60 30 .uTC IKANo~tK C31 !8 SPACE I Dl( SIT Sll 2) 2B 200 200

  1. 111-1 JTION PANEL NOTE:

C.URRENT ONCKT Di!llB LIMITE.D TO (.00 AMPS> DUE. TO FIREPHOOFING Ot-CONDUIT. '::>E.E ENGINEERING E.YAI.\\..IATION Bb-O'i'-1 NOTES: I. MANDATORY ROUTING SEPARATION FROM SCHEME NUMBERS LISTED.

2. MAIN BATIERY FUSES SHALL BE DUAL ELEMENT TIME DELAY.
3. FIELD TO DISCONNECT STAND-BY 125 VDC CONTROL POWER TO 4KV BUS AND TAPE THE LEADS. THIS DELETION IS PER AEC/DRL-GE-NSP AGREEMENT AT WASHINGTON MEETING DATED 11-4-69. THE STAND-BY SOURCE LEADS NOT TO BE CONNECTED WITHOUT EXPRESSED ORDERS FROM PLANT SUPERINTENDENT.

SCHEME 01103

  1. 12-125V DC DISTRIBUTION PANEL D21 (F.P. #5828-E12-1)
  2. 111-125V DC DISTRIBUTION PANEL ill11 (F.P. #5828-E12-2)

SCHEME CKT SWITCH NUMBER NO RATING AMPS D2 1 100 D2 2 100 D2103 3 30 D2104 4 30 D2105 5 30 D2106 6 30 D2107 7 30 D2108 8 30 D2109 9 30 D2110 10 30 D2111 11 30 D2112 12 30 D2113 13 30 D2114 14 30 D2115 15 30 D2116 16 30 0216. 17 30 ,~~~,', 1B 30 D2119 19 60 D2120 20 60 D2121 21 30 I '~IE"'s~*,' 22 60 D2123 23 60 24 60 I D2( SIT SH 1 2B 200 FUSE AMPS NOTE 2 DESCRIPTION 100 12-125V BATIERY CHARGER 100 14-125V BATIERY CHARGER 30 RECIRC. PUMP MG SET G-200B CONTROL PNL 2-184-11B 30 INSTRUMENT LAB 30 REACTOR & CONTAINMENT CLG & ISOL. BENCH BOARD 30 DIV II ATWS CABINET 30 REACTOR CONTROL BENCH BOARD 30 FEEDWATER & CONDENSATE BENCH BOARD 30 GENERATOR & AUX. POWER BENCH BOARD 30 CGCS DIV II 30 CHANNEL B PRIMARY ISOL. AND REACTOR PROT SYS VERT BOARD 30 CHANNEL B RHR, CORE SPRAY & AUTO SLOWDOWN RElAY VERT. BOARD 30 RADWASTE PANELS 30 ATWS INVERTER B 30 HPCI RELAY VERTICAL BOARD 30 TURBINE PLANT INST. VERTICAL BOARD 15 OUTBOARD ISOLATION VALVE RELAY PANEL 15 OVER/UNDER VOLTAGE, GND. DET. RELAY 60 TURBINE BENCH BOARD 60 TIURBINE -GENERATOR METER & RELAY BOARD 30 SPARE 5 COMPUTER INPUT BAT. 102 60

  1. 12 -

13.BKV SWGR & 1R RELAYING 60 SPARE SPACE SPACE SPACE SPACE 200

  1. 121-125V-DC DISTRIBUTION PANEL (P,N #10 A.W~

I~ I ~ I C92 I SCHEME 021105 TYPICAL BLOCK OIAIORAM FOR ALL 0211 Y.l< S.CliEMES ('i.I!E TABLE J'OR LOC. ~0'$ t C.OMDVCTOR Sl~ES) ROUTING WIRE LOG. ii'ERAU SIZE NOTE-1

  1. 2
  2. 2 Z4-ll B Dll 03
  3. 10 J265A
  4. 10 C03 Dll 05
  5. 10 9-96 D1105
  6. 10 C05
  7. 10 C06
  8. 10 COB DII09
  9. 10 C2B5B D1114
  10. 10 Cl7 D1111
  11. 10 C33/C32 D111 0
  12. 10 B4A/CB4E
  13. 10 1-Dlll6
  14. 10 C39
  15. 10 C20
  16. 10 C292 D1117
  17. 14
  18. 14 C07
  19. 6 C31
  20. 6 152-201 D1123
  21. 6 SCHEME CKT SWITCH FUSE AMPS NUMBER NO RATING NOTE 2 DESCRIPTION AMPS D11101 I

30 15 CIRC WATER c'cl1 '" RELAYS 2 30 30 SPARE Dl1103 3 30 30 \\IUK H2 mniiNr. PANEL Dll104 4 30 30 INTAKE CIRC WATER PANEL Dl1105 5 30 15 TRANS CONTROL D111 06 6 30 15 OPTICAL ISOL 1 v I I Dl1107 7 60 60 II 0 I-480V LOAD cc1" D11108 8 60 60 " LOAD LCNI '" DIII09 9 60 60 LOAD Dlll1 10 60 60.,. 110 .OAD~BY (NOTE 3) Dll111 II 60 60 IIESEL GEN 111 PANEL D11112 12 60 60 DIESEL GEN 112 WNIKVL PANEL Dlll13 13 60 60 4.16 KV IIUN BOX D11114 14 60 60

  1. 11 LOAD 15 60 35 SPARE

/\\ 16 60 35 SPARE /B4\\ D11117 17 100 70 SPARE r-D1111B 1B 100 70 113-4.16KV SWGR D11119 19 100 70 115-4.16KV SWGR D11120 20 100 70 16-4.16KV SWGR OI~NUDl (NOTE 3) D11121 21 100 70 ,1-MAIN \\IVK <hCIIAIIVN D11122 22 100 100 DIESEL C \\I UK #II FIELD Fl. SPACE 'ACE 'ACE SPACE SPACE SPACE SCHEME 011103 T'(PICAL BLOCK DIAGRAM TYPICAL 'BLOL.K DIAGiRAM FO~ ALL D2.ll\\1'- FOR "LL 0111'1-Y. SCIIEME,S 1 (P,,N *10 AWC. SCHEMES El'-CEPT 02112 ~ 0211~ BELOW. (SEE' TABlE FOR LOC. NOS i r:l 0~2:-:- 1 'f-+-iz+-IIB 1 SCHEME 02.103 (SEE T.o.e.i.E FOR L-ac. No*s e coNoucToR srus) coNOUcTOR SIZEs) FOR scHEME& LOC. E50 C83 CIOI X02 C243A Bl B3 C325 B4 C91 C92 A10 B9 /\\ /B4\\ r\\. A3d7 A30B MOB E304 C91 TYPICAL PAMEL !>.RRAKC,EMENT C:KT I CKTZ CKT3 C.KT CKT 5 A v ROUTNG WIRE SCHEME SEFERATIIIN SIZE NUMBER NOTE- /\\ HID D21101 B4\\ D21102

  1. 10

_!10 D21104 D21 102 H6.J D21105 110 j D21106 16 D21107 16 D21108 16 D21109 16 D2111* D2111 16 D21111 D21112 16 D21112 16 D21113 16 1 021118 16 D2111B "" O<O 16 D21119 16 D21120 /6 D21122 12 D21122 TYPICAL FOR CIRCUITS IOOA OR LESS [!ill TYPIC.AL 1!1LOCK DIAGRAM FOR "LL Olll<Y. 'i.CHEMES. (SEE i_.,BLE FOR LOC, MO's t CO"OUtTOR SI~ES)

  • FOR BLOCK DIAG-OF <;OlE ME. ZQZ/6, SEE DW(J. E-'1/b D-tuo9 ' o-2.1109 SEE m-36640-9 P, N #10 A"!G,).,

(P, N *10 AWG FOR CABLE BLOCK DIAGRAM 1 021 Hc84-A ~~ jcS4B 1 SCHEME 02113 I 021 ~ C33 f.-9..1 c32 1SCtlE.ME o2112 SEEDWGE-211 SHTI2(NE-93503) -.----v--*r-1---:;C:-:::I("'T"'z"'&=---t~.-- TY PI C A L F 0 R I SP FOI'. 50-IE.ME. Dl\\2'1 ONLY P,N '"IOA.\\.11;,"'5 'C.P,NI *IOA"'G (*SCHEMES 011111, D11112, D21111 & D21112 CONTINUED ON E-103, SH 3)

  • 60 AMP. TR60R GOULD-SHAWMUT OR EQUIVALENT.

'-----'--'-'-='-----' C. I RC UITS MORE TH_.,N IOOA CKT NO I 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 1B 19 20 21 22 PERMANENT NOTE: ANY ADDITIONS OR CHANGES TO THIS DRAWING MUST ALSO BE MADE ON NH-105940 FOR USE WITH SPARE GENERATOR TRANSFORMER INSTALLATION REVISIONS

  1. 121-125V DC DISTRIBUTION PANEL D211 (F.P. #5828-E12-2) 84 EC21152,21159 DWN: BAT 5-23-13 CHK: SMA 5-23-13 APPR: CTP 5-23-13 SWITCH FUSE AMPS RATING NOTE 2 AMPS 30 15 30 30 30 30 30 30 30 15 30 15 60 60 60 60 "

60 60 60 60.,. 60 60 60 60 60 35 60 60 60 35 60 35 100 70 100 70 100 70 100 70 100 70 100 100 ROUTING WIRE DESCRIPTION LOC. SEPERATKIN SIZE NOTIE-1 CIRC WATER c'cl1 "" RELAYS E60 HIO 1 R RES TRANS cvN TROL X03 D11105

  1. 6 SPARE
  2. I-MAIN TRANS C

- LA"INt C-520 X01

  1. 10 SPARE SPARE

'10 j LOAD CCN "" B2 16 LOAD LCNICK B4 16 111 LOAD L~K C326 16 Ill .OAD~ (NOTE 3) B3 16 IIESEL GEN 112 PANEL C92 D1111 16 DIESEL GEN 111 CONTROL PANEL C91 D11112 16 4.16 KV I!UN BOX A20 16 SPARE /'\\. B7 16 SPARE /B4\\ /\\ SPARE / /84\\ SPARE ) r\\. 114-4.16KV SWGR A407 011118 16 115-4.16KV SWGR oiANU"Y (NOTE 3) A30B 16 116-4.16KV SWGR MOB 16 SPARE DIESEL \\IUK #12 FIELD Fl. C92 Dlll22

  1. 2 SPACE

>PAC >PAC SPACE SPACE SPACE This map/document is to assiSt employees in the performance of their jobs. E 11 0 S H 3 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. f-.M"'O"'N"'TI,..,-CA"D""D"'W""G~Y,...,-1 SCHEMATIC DIAGRAMS 125, 250 & 24 VOLT DC SYSTEMS SCALE: NONE REV 84 MONTICELLO NUCLEAR GENERATING PLANT 1}, Xcel Enerqr NORT 1E~~1 s-.'1lES POVIER CCkiPI1~1l NE-36640-3

NE-36640-4

  1. 13 -?.50V BATTERY 7'1e. AH 8 HRS r-----1: I I fit 1'1-------1 I?.SV. TAP

~--------~------------~ D"?A ~ D~f:1 ~ 1~-.Zs5o Y 1: 1'2.<::1 v t?l-061'~1!3UfiON (L.I-I~NN~II 1) ('St.I-\\~M~ "SI-\\OWN 01'--\\ DWb. t-110,"51-\\, 4A, 4es,4-?) -ro tKT. ~a, f'At--l~v 1/"?l -::.~~ ~-110, ~It-4 B (NEi -'3ta&.4o-4 B) ~ D'!>'? i £:1_-+---_..~_*rj I I ~~- ~ r I I JCIJ:ll 1"'133-125'1. DC DISTR. PANEL 033 I !SEE SCHEDULE THIS SHEET FOR-1 SWITCH $ FUSE RATIN(\\5. PAHEL ~RRA\\\\C,EMENT_! __:IRCV1T ~0~ j

  • 13-250V DC DISTRIBUTION PANEL D31

&tHEME CKT BREIIKeR DESCRIPTION NO NO AF Ar D'3 I 400 ~2~ \\'l? 'I ~Mf~R'f t:I-\\A~t;.f{ 4< 0'34 !'Z?v.~A1'1"EI~'i C.I1Af6-ef( ~9!52 81\\TT!RV GHARGE!R ilp 54 81\\TIEAY GHARG~R II- 0 ?"3 5 /50 as SPARE 0'3106 6 /"SS as PLAI'\\T E.VACUAT10N ~1REN POWI!Q, 7 /50 ~PARE. 03 8 ISO /00 9 400 150 SPAR~ 0~110 10 400 It HII - 25QV. MCC (R<:.I c.) 03111 11 4co jjo 133- '2~0'1. MCC ( ~ EACT. BLDQ -l'!AST) 03111. I! 400 2.ZS DIVl::':liON I 12.0 VAC-UP5 Y71 13 400 2.50 SPARE 14-A SPACE D!!SCRIPTION

2.

30 30 3 30 30 LOC. WIR~ SIZE 0~4 "J-'1\\t/o D~'l 'l** Yo Q<;!.<)- - D!J?> 1"11 Yo N31o6 #IO A (#1/0 r-0311 asoW:M 0313 a~o Met~ '( 11 liJOM<M I D33 I S1Jt:::N&) SC.I-IEMf! 03303 WIR!l: MANDATORY ROUTIN<l LOC. !;I'ZI! SEPARATION R!QUIReMENT 4 30 30 0330~ SRV lOW l.O'I-l SET CONTROl. Dl'/. I Cas:M ~ JO SEe. NOTf! I 5 ~ 35 00205 1\\C.B oZ:.3i<::soC.ot-rr.RJ'NIE..RMC::.C.I~e e~ :Ill"' 6 30 30 I 30 15 - a ao 15 SPAR£! r---* c- {? f"tl fil ¢ ~f'AR~- -i-* - NOTES

r. Sr!.PARATION SHAL.LBE 11-l'ACCQRQANCE WITH DESIGN SPEC. NSP!JS-03'1, Da 9 PAN!;'-

ARRAN61!ME'Nl" CKI I I Cl<:r ~ CKT~ Ci<T4 CKT ~ Ctc:r 10 GKT7 Clc-ra ~ N, PI @(1; ~AWG) I o3~ ~ l1?>33oo I 5 CI-IE/'1E 03305 BlDCK DIAG>RAM..EOO 50-\\SME: tY~i~05-REVISIONS ~EC20129, 20056 DWN: JJP 7-25-12 CHK: BAL 7-27-12 APPR: NJF 7-30-12 This map/document is to assist employees in the performance of their jobs. E 11 Q S H 4 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTI CAD DWG K 250V DC DISTRIBUTION & PANEL SCHEDULE D31, D33 SCALE: NONE I REV 76 MONTICELLO NUCLEAR GENERATING PLANT 1J X eel [nergym NE--36640-4

. **------------------------- ---- ----.-~----------------------------------------**-* ---*--* ------------------------- r--~-~~----r---------------------*-----------------------.X..----------~--:-:-----:--:~:--:--:--:--:--:--:--:--:--:----:--,.---,-.,.,..,.,.---------------r---;;:::;;: NE-36640-4-2 ~~: ~-~ I (SEE NOiE4) 03&. r.: 1 ,2~5v. oc'BATrERY ! h25v oc BATTERYl PLANT EVACUATION ~25v oc DISr Pt-i!#'131-25CN Mcc 0311 loi"V 1 I2.<>V~ cHARGER D52 II<:HARGER Q23 1 siREt:J. N3loa, ID33(E110,sH.4) 1 FEEo.sEE TABLE I vP.S m L . SEE 1ABLE PNL. 031,-(NE.U6640-4}. PNL. 031 I(DWilr* E-UO 61-\\.lf !f.<+/-L-o'di i o~l ck-X E-1'\\0, SH. 4 I -t*H ~)J E -'110, SH.4 1 o<+) <-r.!.'*'JI 2p 2TN -r 4 p 4N {NE-36640-4) '-:-¥'----..,....... {NE-36640-4) --t-- -4=--J ,....-~ 8 8N 1 I\\ \\ I P 1\\l. r l:====~~~~j~~-/~.Mi~lrf}:----+- --+--,--- .$4'4".SH/: ~ I r--=-~~'-~'/A5~*iifr (niiS{)M$) C.Kr.G; ei!O"'AF' 35,0...1 CKt 8 (1 150AF 100AT e -~2!?_( 400AF 225AT E ~~_!2 __ ( 400Af 225AT SPAC.E SPACE I / ~~~--OM--~--~~*~---t-t-----Qfb--~i~L~J~~-N~~--~-------1~-----+--------+---~~------i-----~------~----1--------+----*~------~~------------~------~' ~{ i.-\\ "* "'J0311 I 1 -'"ft"-*-t---_. pt I ~* ~+-~~~~a~oj~~P<U~f------1~--~-----+--~~----4---_.------4---~------~--4-----~~---------+------- / -~~~~=P\\.Jru..__ __ ~ 1 1 ~'MU\\.l'f C.,.,..,S .;., I ~SV. I tOO l ..£{-\\ 150*50 <+> P ~-eo~oj~~~P~C2~-~-------1~--~--------+---~--------+-----t-------~----+--------t----~------~~----t--------+-~----~ -..--.~o---od-!)2...&..~...._+-o-'9 <>....()..+-'() 031 D3,A. 3 D3A &. D B

r. <

225A.T 225A.T

  1. 13-125/250V DC BATTERY

~) (-). ~~~ 742~H. 8HR. RAT.E I teA"-~~~- 40o-Q:400A I /~ I 1P 1N r-tffi*---!H-1 1125V DC BATTERY ' LC:HAR<,?~ -~_j ... **~*. 35AT SR I c -v SPARE 125/2.50V. oc 4, J CKT. 7 ~-;;--o-,w-35AT 7R ) ~=:::J SPARE 250VDC DISTRIBUTION 150AT 9R - 4 -c v I SPARE CABINET 031 SCHEME NO. 03 (CHANNEL 1~ "t' t!!... 9S!E--( \\( 400AF l2.~~1!-( 'Q 400AF 225AT 250AT 1R 3R c 6 ) v I "\\ )

  1. 133-250V MCC SMHE Q313 FEED t!'S()VLK:

SEE PNL 031 OWG. E '110,SH.4 (NE-36640-4) I ~.... P1(U) 4-*uo 03A P~{$}(150} PaCHl (150) P'\\ <RH150) 500 MCM 031 R£l't.AOOIENT/I.IFCRADE

1. FlEW TO *Jt.ETAG. lt'I!ROtl'l"! AJm UOOilliiCT UISTJ!l; ~LE a%Jl1:'~'1 SCHEME D3 FROM PAN£1. :P3

'1'0 P.AtmL Dl4 IS SHCMI ftllH CN'IClT'f *INCR£ASF.n PAUL D3l 'tO PAUL OU WUi!. liUtl.ai&S 8'P Al1D 61t. nu..D BAtTERY RACi< t.EHGnt TO ENSURE THAT UlSTitfG CABLE lS l'l\\B OF DU'ECTS AND INCREASED k GftOUNi> SUtTAM.E FOP.. 'US!'.. 0~1£Cl10N PANEL RaocA"IEO. REVIS0

2.

CABLES 8ETWEEN PANEL 1>31 Am> IATTBllY CHARQI!RS D52> DS~ SHTS. 2 & 4-3 PER AND D54 AR& NEW CABLES. CABLES IImii!:N BAT'flli.U.t:S D3A. ORR: J.I0-87-2f>9 ~~~~P~af:l = =: ::w=:-r'~~~~ DWII: ~ t-5-88 LE);QTH. TAG AU. CABLES USING THt$ DRAWING.AUD' 8**U* ~ B~~tl5-8S

3. CIP.C:UlTS 11 AND 13 SBA.tL R MICIWIIQU.Y DlriiU!.:DD f\\U4EO: 2 11-88 wxm A V.au:Im ~* (a'l nn t..OIS. an JtCZ Dt.AX.E) so.....,__,_*--------1

'rlllT IF OM! JIRE.Aitlll II ctonD. 'DZ OIUR IS J'LOCI'!D !l'l AS-BUILT: THE OPEN POSITION. NON-CI.ASS IE POWER SUPPlY

4. FIELD TO UTAG nA.'l"'l'!R'f Dl AS D3A Al'!D-DlB AS SROW.

~~04~ 4 S. Eli.ISflR; PM. 031 IS Bln'LACED WITH A R!V I'M. D31 SZUG CRR/C>RR: M0-69-116 PUkCltASEIHINDl'll M/lt 1004(Ht-120(Q)

  • tmf PAN'a. '!'ABLE Clift;: K8 10-25-69 SHOWN ON TBIS DllAWlOO SHB!.T 4, ali<: JDS 11-3-89 038 l....::=i~::!-P1 {L)(150}

t\\---M1 (Q)(1 !SO) i't--,-tt1( K)(150) 500MCM MOD: 89Z006 FILMED: 1-23-00 AS-BIJli..T: RIMSED TO REfLECT ttiE BA1TERY UPGRADE PROJECT 1r----2P(D)(101) +o--4P(F){101)-tr-*1P(H)l101) SP{P) ""tfO fllt1/0 "'1/0 j~'t,o AWG P£(< ORR: 1.10-04-0228 ~:JJP 11-I-D4 QIK: w 11**~*0'1. 1.101): 871.1014 flU,lEf); * ~2N(E){101} 4N(G)(101) 1N(J}(101) 8N (N)(SEE NOTE1) 052 053 054 0.33 SCHEME 03 CLASS 1E CABLES (C~ANNEL I ) This map/dQt;Ufflrmt;. to OS6/st ~sin tho p~ ot IMir job& E 110 SH 48 Your peiW1nOI $oi<<J' is ~ f<< by ustnq sof.ty prod:..'#, ~ and ~nt os dftscribod in 80f.ty troinilllJ progroms, monuars ond sPAR~. !MONT AAS1ER OWG F 1~8 tf'!-.;ra

  • SIGNIFICANT NUMBER 8700 RX 1

1 GROUP I 2 3 4 ~

a.

6 MONTtCELLO NUCLEAR GENERATING PLANT t.IONTICELLO NUCLEAR GENERATING PLANT 125/250V DC OISTRIBUTION CAB. 031 p11111 'T SCHEME NO. 03 NOR H ~ ~ STATES POWER COMPANY SCAlE: NONE I REV F NE -36640-4-2 MINNEAPOUS

NE-36640-6 REVISIONS ~EC18483 A Dt5TRI!JUTION PANEL 015 (F.P. ~48Z.8-6*1()*4) ENHANCEMENT)tDICATED (120V. A.C. 60HZ) IZ0/1. A C. 60 H$ 'IF 11.5

  • Z4 V.

DC. NOTeS: BY f "** '"'* '",~, /0 [.; m m. '" m d ~ /, THE NEUTR,4L BARS (c) IN I:JIS ( D25 SHALL OWN: JJP 7-22-11 l::ll¢ Q L34¢ -- ¢ r------ -... ~~--===z~----=--,- ~~-., T&-31 014x 1 u NOT BE GROUNDED !IV THE PANELS THE CHK: BAL 7-22-11 ,------r- ~t-----==.:d-=-=-=--=-r "GR 1rB=3' BKN. ROJlTIN.G Wfi(E CIRCUITS ARE GROUNDED AT TI-lE LOAD APPR: PSN 7-22-11 5CIIll-1£ CKT. kATING SEPA~ATIDN NO. N(), OESC~IFTION LOCATT(JAI ii~E I *"3-24vo£r-B!Trrr-7rr c!MFI;.c7t:'""fli':i_ s&£RoreJ2 1

(#114-24 VOLT-._BATTERYCHARGER D14SEENOTE 2_QJ).

AMPS FI!I)H S&ll£1<< ( C.36 ~ CIO)END ONLY* ,----:'"1 I ~ - D 1.5 01 I I.OA 50(J~C~ -t INrFRM£PI~TE /rllN6E ~ PHaJ 1 o;r -.I()

2. FOR VENDOR SCHEMATIC SEE DW6. NX-2a922-3.

I POS. NEG. I I 1 POS. N[G., 0 -------------, t I (oJONITD~.S i AVJlll..IARU-' I I + I 1 I ~t-=r; l_

3. FORANNIJNCIATORSCHEMATICSEE DWG. NE-36640-7.

L :1 ~ -lq_c_,_ouT~~: ALARMS {sEt NO-;E ;) :c J L- _o.c.ourPi_ALARMs(seE NOTE;)---~ _j D/502

t.

20A 1-":ROU.SS RADIAT/Dttl MOitllTDN.S CltJ 02502f!JZf Ji-"fl) A .t AUXILIARIES '4. SCHEMES D1501 AND D2501 EACH HAVE THREE CONDUCTORS 01503 CONTAINMENT ATMOSPHERE :~ C259 ceso3IDZ5 01/0 ~ 3 Z.OA MONITORING ISOLATION VALVE IND. ROUTED TO PANEL C-36. WIRES P AND N ARE CONNECTED TO p c 'II: I 5 !!>AT TER.Y c N 0.5 4 lOll SI"AifE ~ THE LOAD SIDE OF BREAKERS 01501 AND D2501 AND WIRE C I ~f,lf't: D0~fJ ~ L (COMMON WIRE) IS CONNECTED TO THE COMMON (NEUTRAL) BAR.

5. SCHEMES D1502 AND D2502 EACH HAVE THREE CONDUCTORS

( ? + Z*V (~ - 2.1+V 05 ROUTED TO PANEL C-1 0. WIRES P AND N ARE CONNECTED TO SATTEitY SATT~Y' Pll ~ AH~_ 1HRl_ _10: AH !_~)-i I THE LOAD SIDE OF BREAKERS 01502 AND D2502 AND WIRE C 11'12.5"- Z4V. DC. DI.STR!BliTION PAN£/.. OZ5 (F.P. 1148l8-£-to;..4] (COMMON WIRE) IS CONNECTED TO THE COMMON (NEUTRAL) BAR. I I I FU*P I 5CHE/'1£ CKT. BKR. !!OCITI(f;G _ Wllf£

6. SCHEME 01503 HAS TWO CONDUCTORS ROUTED TO PANEL C-259.

BOA I"U11 OOA RA7"1N6 SEPA.If TIIJN I 1 2~ Y DC FUSE. Ntl .w. ltMI".S 1JE5C~IP7'101V I..OCAT/ON rl?ONI SCHDM *sl,l'E WIRE P1 IS CONNECTED TO THE LOAD SIDE OF BREAKER 01503 I I PANEL DISA SOUAC£ /. 1/IIT.I!."KNED/AT£ ~£ D/5'01 I /)/ ~ ) AND WIRE N1 (COMMON WIRE) IS CONNECTED TO THE COMMON L __ z '!- ( f)Z501 ' ZOA ~ >> If) -+ --- -- --.J MPANJ'"DRS j AV.tiLIAIUES (NEUTRAL) BAR. ( p c N PifOC£'55 I!ADIArttJN MO!.'IT0/1'5 {)l'iOZ f 015" til(} £))"}. 1>2502 2 ZOA I At/}(/1../ARI£ ;s C/0 (

7. SCHEME 02503 HAS TWO CONDUCTORS ROUTED TO PANEL C-260.

02503 CONTAINMENT ATMOSPHERE~ C220 (JI503#DI5 *to WIRE P1 IS CONNECTED TO THE LOAD SIDE OF BREAKER 02503 3 ZOA MONITORING ISOLATION VALVE IND. I ---- -- *- - -- ------, I I A AND WIRE N1 (COMMON WIRE) IS CONNECTED TO THE COMMON 4 ZOA SPARE (NEUTRAL) BAR. I I I ZOA ZOA I I'T". \\....NOTE I _,...-r--,. I

8. BREAKERS D 1501, D 1502, D 1503, D 1504, D250 1, D2502, D2503, I

I I _r--.. ~ 02504 ARE BOLTED DIRECTLY TO THE POSITIVE AND NEGATIVE BUS I /'T'\\ I "l.Z4Y. DC DIS TK/BIJTION BARS (REF NX -9238-3). 1-- I ..,J I ~ I SCHeME DIS TYPICAL PANEL. AlftrAN'&£M£NT I ( XI,U CKT""'IO I *115-UY. DC. DIS TI?18U T/0 /II I

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C.% I I C-2591 "f#-i AWG S C IIF:M.1." IZO Y. AC.,P()WI:A' CHAIN;E.If _ Z4 V. TYI".LCAI.. 8(.0CK.f!<:1116~11M rOle DI.SO!, lYPICAL BLOCK DIAGRAM FOR This map/document is to assist employees in the performance of their jobs. LOCATION.S ~ Dl~tlj_ ~C,;N E-11 0 SH.6 ND .S V.P,.I.. y lo'fl. BATTERY 'JI&<9 AWG. '"""* "'"'* ""' "'""'0 -£"""* "'"' ~'""" Your personal safety is provided for by using safety pracUces, procedures and PNL. L34 i:Kr.. 10 "" 113

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~A-N>C equipment as described in safety training programs, manuals and SPAR's. MONTI CAD DWG 76 DJS PNL. L34 en:.12_ .. 15 013 D/4 D~ D/5 DIS A

  • B.4WG PNL. L38 CKJ:, ** U:.$

D/5 IJZS f)/5 I 24V DC DISTRIBUTION PANEL D15, D25 [)Z5 .. 14 D2!$ D./!4 £)4 D25 D2SA 76 PNL. L38 o:r. ~ "' l.l4 Pf,C Ff.HI M/JNDIITOR.'f' RO()T/Nt:. SEPARATION I".. Nl c OF SCHEM£ D/5 FROM 025 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE I REV 76 fl X eel Enerqr NE-36640-6 NJii-HERN STATEC POWER COMP~NY -t

SW-234-2 SW13-4"-HF SW25-4"-HF REACTOR BLDG. COOLING 17-351 C10 RT 17-333 R PRM001 SW-180 1" 2" WATER PIPE SW61-2"-GC A 2" B 3" C TO CIRC. (A,2) NH-36489 M-800 DISCHARGE SW-174-2 SW-175 2" 6 SW6-24"-JF REACTOR BLDG. & OFFICE BLDG. TORUS AREA SSW101 SW RAD MONITOR HS P127 SAMPLE PUMP (PNL L42, BKR 14) PI 4957 SW-222 SW-174-1 2" YS 4657 SW-177 2" 2" 1" TE 5014 T PI 4958 1" SW-178 SW-176 1" P127 S.E. CATWALK SW61-1"-GC 1"-JF 1" SW-183 NH-36041 M-110 (A,4) SW5-8"-JF SERVICE WATER FROM FLUSH NEAR ELEVATOR SW-181-1 1" 1" (ROTAMETER) 1" NORMALLY VALVED OUT TO MINIMIZE FOULING 1" 1" FI 4954 SW-226 SW-224 SW-225 RX BLDG. EL. 935' SW-223 OUT CONN. FLUSH PI 4960 SW-179 1" SW-181 SW-182 RW 17-332 CONN. OUT 1" R PRM107 A H C04 SW-227 C02 4902 RR 1" RM NH-36665 NH-36260 NH-36039 NH-36664 NH-36665 NH-36665 NH-36665 D E FROM RHR SERVICE WATER PUMPS P-109 A & C DEMINERALIZED WATER (FLUSH) HEATING STEAM FROM EMERGENCY SERVICE WATER PUMP P-111B FROM RHR SERVICE WATER PUMPS P-109 B & D RHRSW-46 NH-36247 (C,1) RHRSW-13 1"-19 GE GF ORW DISCHARGE (E200A) TO RHR HEAT EXCH. M-121 M-108 M-811 M-811 M-148 (C,2) (E,2) (C,2) (D,2) 8"-N26 RHRSW-14 BH-722 6"-54 TO FIRE PROTECTION SYSTEM NH-36048 (C,7) M-134 KB GF 2"-JB 8"-SP26 RHRSW-12 HS5-6"-JB SW9-8"-GF HS5-6"-JB 2"-JB FROM EMERGENCY SERVICE WATER PUMP P-111C FROM EMERGENCY SERVICE WATER PUMP P-111D FROM EMERGENCY SERVICE WATER PUMP P-111A M-811 M-811 (D,3) (D,5) 6 3/4"-130 RHRSW-9-2 RV54-2 1/2"-HB 3/4"-130 RHRSW-10-2 3/4"-130 RHRSW-10-1 RHRSW-9-1 3/4"-130 RV55-2 1/2-HB M-120 NH-36246 SW-153 SW6-4"-JF 5 2"-19 SW6-24"-JF 2"-HBD 4 SW6-3"-JF PI 10-117A EXCHANGER RHR HEAT SW11-16"-GF LOCKED NEUTRAL HBD RHRSW-26-1 L.O. JF GF RE 17-332 ORW 12" RHRSW-31-1 12" HF CV 1728 RHRSW-42-1 RHRSW-43-1 SX 1602 10-94A TE TW30-14"-GE NH-36247 M-121 R PRM002 A L C04 PI 10-99A GF JB (10-2A) (A,3) 11 E-200A M-121 NH-36247 (A,2) M-121 (A,3) NH-36247 RHRSW-31-2 1" 12" JF GF RHRSW-43-2 SX 1603 RHRSW-26-2 ORW NH-36247 RHRSW-44-1 TO dPT-10-91A TW29-14"-GE 16" ORW TW20-14"-GE (A,3) RHRSW-27-2 (B,6) GF PI 10-99B M-121 JB SW6-16"-JF 3 SERVICE WATER FROM WATER HEAT EXCH'S. SW-107-1 PI 10-117B LOCKED NEUTRAL 10-94B 1729 L.O. TE CV 12" TO dPT-10-91B RHRSW-44-2 NH-36246 M-120 2"-19 SW-154 (A,5) (B,6) NH-36246 M-120 (10-2B) SW12-16"-GF 12 EXCHANGER E-200B RHR HEAT TW19-14"-GE ORW RHRSW-42-2 16" SW-282 2"-HF 3"-HF M-110 NH-36041 (C,5) 2" PI 4401 2"-130 HBD HF SW-107-2 2"-130 2" HBD HF D188-1"-GF VENT SW60-1"-GF C03 10-132A FI RHRSW-6-1 D189-6"-GF DM-49-1 BH-316-1 6"-SP26 FLANGE SPOOL 2"-19 SEE NOTE 1 C.M. 16"-SP26 RHRSW-8-1 RHRSW-51 1"-19 RHRSW-22 RV 3202 ORW 1"-19 D183-1"-GF RHRSW-7-1 VENT 1"-19 3/4"-130 1"-19 ORW 10-96A FE D182-1"-GF RHRSW-5-1 FT 10-97A SW9-18"-GF F RSW102 RV54-4"-HB M-121 NH-36247 (A,2) V125-3/4"-GF 2"-JB D189-6"-GF DM-49-2 2"-19 BH-316-2 6"-SP26 (B.F.) 16"-SP26 RHRSW-8-2 RHRSW-32 SW25-4"-HF SW10-18"-GF FT10-111A C19 10-145A E/S 7189 HS C03 7189 FI C03 FT14-40A 1"-19 NH-36159 (D,1) M-142 10-96B FE SW10-18"-GF DM-86 5 SW30A-3"-HF SW30B-3"-HF SW13-4"-HF 4 MAINTAIN PHYSICAL SEPARATION RV55-4"-HB SW-106-1 V126-3/4"-GF NH-36246 RV 3203 ORW RHRSW-6-2 3/4"-130 1"-19 RHRSW-7-2 M-120 (B,6) M-110 (C,4) NH-36041 FROM E/S 4099 ORW FT 10-97B F RSW103 C292 4105 FY ISO RHRSW-5-2 D187-1"-GF 1"-19 E/S 4101 C292 4105 FI C03 10-132B FI 7188 HS C03 FI 6173A RO 6172A UNIT VENTIL. HPCI ROOM V-AC-8A 2"-19 FI 6173B RO 6172B VENTIL. UNIT HPCI ROOM V-AC-8B SW-106-2 2"-19 FE 4225B HF HBD 3" FT 4225B SW-104 3"-237 SW-103 JF HF FT14-40B FT10-111B C03 7188 FI SW-235-2 3"-237 ESW-58-2 PI 4404B FE 4224B 3"-237 ESW-59 ESW-4-2 3/4"-130 ESW-9 REMOVED INTERNALS UNDERGROUND 3 1"-19 FSW-1 SW-114 SW-248-2 SW-248-1 P&ID RHR SERVICE WATER & EMERGENCY SERVICE WATER SYSTEMS Energy MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4"-130 2"-160 SW-115 SW-113-1 2 Xcel SW-247-4 PI 4402A 3/4" SW-111-1 2"-HF 2"-HBD 3/4"-130 P-202A MOTOR SW-247-1 SW-110-1 PI 4402B HBD HF SW-109 2"-130 HBD HF RHR PUMP 3/4"-19 3/4" SW-111-4 3/4"-130 1" 1" PUMP SW-247-3 SW-159-3 SW-111-3 3/4"-130 P-202C MOTOR SW-159-2 4955 FI SW-159-1 3/4" 3/4" 2" MOTOR P-208A SW-247-2 RHR PUMP 3/4"-19 SW-110-3 SW-111-2 3/4"-130 3/4" 1" CORE SPRAY 3/4"-19 SW-112-1 1" 3/4"-130 SW-113-2 3/4" 3/4" NH-36664 SCALE: sm NONE 1 REV 88 CORROSION MONITOR COUPON IS ABANDONED. M-112 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A UNIT NOTES: V-AC-5 3/4" 1. VENTIL. 2"-19 2" 3/4" AE A B C SW27-4"-JF SW40-4"-HF SW30A-3"-HF ESW-4-1 SW-102 HBD SW41-4"-HF PI 4403A TE 4759A STANDBY DIESEL GEN. G-3A STANDBY DIESEL GEN. G-3B 12 TE 4759B SW-260 2" V-AC-4 UNIT VENTIL. SW-108 C253A 4059B/D E/S 935' BUILDING REACTOR 3/4" PUMP P-202D MOTOR RHR 3/4"-19 SW-110-4 SW-233 FIS 4224A TE 4756B TE 4756A FIS 4224B C94 F ESW101 L A PI 4403B FE 4224A TE 4758B TE 4758A A C93 L 11 3/4" MOTOR P-202B 3/4"-19 SW-110-2 PUMP RHR SW27-3"-JF ESW-68 SW-259 P-208B SW-112-2 3/4"-19 PUMP SPRAY CORE MOTOR 3/4" SW-101 TE 4757B TE 4757A TE 4760B 2455 RO TE 4760A RO 2454 ESW-69 C94 ESW-66-2 4"-142 HF JF 3" 7197 PS HF L A ESW-66-1 4"-142 C93 PS 7196 A L 2 3"-327 JJP 8-6-08 PEB 8-15-08 WK 8-15-08 12920 DZ 8-27-08 DAN 8-27-08 JJP 8-22-08 14036 KC 4-15-09 BAL 4-15-09 JJP 4-15-09 13285 DM 5-20-09 BAL 5-20-09 JJP 5-20-09 DWN: NH-36041 SERVICE SW-235-1 SW-234-1 C253A 4059A/C E/S FE 4225A ESW100 F FT 4225A PI 4404A APPR: CHK: M-110 WATER (D,5) ESW-58-1 STORM SEWER HBD HF REMOVED APPR: CHK: DWN: DWN: 83 APPR: CHK: 84 TO EC EC 81 CHK: APPR: 82 DWN: EC 9411 EC D E REVISIONS INTERNALS 1 16121 APPR: CER 1-24-11 CHK: DWN: BAL 1-4-11 JJP 1-3-11 85 EC FLUSH OUT CONN. FLUSH OUT CONN. 23675 APPR: NEO 11-3-14 CHK: DWN: BAL 10-31-14 JJP 10-30-14 86 EC 23479 APPR: DAM 12-17-14 CHK: DWN: AJR 12-16-14 JJP 12-16-14 87 EC RHRSW-68 6"-EC23479 SEE NOTE 2 SW9-6"-GF FLEX CONNECTION (5" STORZ FIRE HOSE FITTING WITH CAP). 2. 26170 APPR: NTM 10-6-15 CHK: DWN: SDP 10-6-15 JJP 10-6-15 88 EC 88 88 M-110 NH-36041 (A,2)

SPARE 3-312 FE 3-208 CRD-16-1 FT 3-209 4199B FI 4200B 1-1/2"-19M3 1-1/2"-19M3 CRD-164 1 1/2" CST-146 PI 7334 INTERLOCK FROM CST'S M-108 RV 4952 TURBINE BUILDING NH-36039 HIGH POINT VENT HIGH POINT VENT A (A,5) (A,4) B FROM COND M-105 LINE NH-36036 (ORW) TO MVP ROOM C D 6 RV 3-14A ORW

  1. 12 FILTER CRD-61-2
  2. 11 FILTER CRD-61-1 CRD-58-1 CRD-175 CRD-174 CRD-173 CRD-1 PI 4953 PCV 4951 3x1 1/2" GB HB REACTOR BUILDING CRD-177 CRD-176 CRD-69 TO AI-162 (B-1)

ORW ORW CRD-59-2 CRD-57-2 CRD-59-1 A H C05 dPIS 7399 CRD-21 1"-130M3 CRD-141 CRD-142 1"-19M3 1"-130M3 NH-36242-2 TO BACKFILL NH-36245 NH-36245 (B,4) M-119 (E,5) M-119 CRD-15 CRD-57-1 CRD-60-1 1"-130M3 (D,5) SYSTEM M-116-2 dPIS 7398 A H C05 CRD2 -1"-DC 1D 0D CRD2 -1"-DC 1/2"-DC 1/2"-DC PI 3-236B YS 3-15B PI 3-236A CRD-2-1 SV 3-20 AO 3-20 C18A-4"-HB 1" CRD-2-2 CRD-58-2 ALT BORON C18-4"-HB CRD-60-2 C18B-4"-HB INT A PS 3-201A YS 3-15A C C05 PS 7400 L L PUMP A PS 3-201B C05 C CRD-52-2 INTERLOCK PUMP PS 7401 CRD-51 CST-157 CST-154 NH-36039 (D,6) M-108 FROM CONDENSATE SERVICE SYSTEM 2" 1" 0C CRD2 -1"-DC 1 1/2" 1C CRD2 -1"-DC (TYP) SW SW (TYP) CUNO FILTER PI 7333 CST-157-2 CST-157-1 STANDBY 2" 0B CRD2 -1"-DC 1B CRD2 -1"-DC 1" NH-36039 CRD-7-1 CRD10A-1"-DE 3-313 FCp B C C W R SEE REF DWG #3 AND #4 WATER PUMPS CONTROL ROD DRIVE 5 CRD-52-1 CRD-47-1 CRD-49-1 ORW CRD-46-1 PI 4375A CRD-50-1 4 CRD-6-1 CRD-45 3/4"-19 HYDRAULIC CONTROL UNITS DRIVE WATER HEADER HYDRAULIC CONTROL UNITS COOLING WATER HEADER CHARGING WATER HEADER HYDRAULIC CONTROL UNITS ACCUMULATORS 5600 CRD-49-2 CRD-54-2 CRD-48-2 11 CRD PUMP P-201A CRD-53-1 A C05 H C CRD-53-2 ORW CRD-48-1 B W C C 3B-S4A HS VC VS 5600 R INCREASER SPEED PUMP MOTOR BKR 152-506 CRD-47-2 ORW CRD-50-2 CRD-46-2 B C C W R PUMP CRD12-1 1/2"-DC 12 CRD PUMP P-201B HS 3B-S4B CRD8-2"-DC CST-147 C05 C RV 3-14B VC 5601 A H CRD5-1"-DC 1/8"/FT SLOPE 1/8"/FT SLOPE 0A CRD2 -1"-DC 1A CRD2 -1"-DC BKR 152-606 MOTOR 1/8"/FT SLOPE W R C C B VS 5601 INCREASER SPEED CRD-82-2 CRD1-2"-DE CRD-5-1 CRD1A-2"-DE CRD-4-1 CRD-3-1 CRD-3-2 CRD-5-2 CRD-4-2 CRD1B-2"-DE CRD-167 CRD-166 CRD-82-1 CRD-83-1 CRD-165 CRD-169 CRD-168 CRD-83-2 PI 3-223 FI 4909 HB DE (B,2) CRD-6-2 CRD-7-2 NH-36039 STORAGE TANKS M-108 RECIRC TO COND PI 4375B CRD10-1"-HB 3-24B RO DE HB M-108 (C,6) 3-306 C05 FI 3/4"-SP-110M1 XR-26-1 XR-22-1A XR-24-1 SUPPLIED WITH EQUIPMENT POST FILTERS (D,4) NH-36243-1 M-117 RECIRC PUMP TO #11 XR-25-1 XR-28 XR-23-1 ORW 3 XR-25-2 XR-23-2 ORW CRD-154 CRD-13-1 C 3/4" M130 PUMP TEST BYPASS S.W. CRD-13-2 CRD-12-2A L CRD-11-1 FILTER #12 3-24A RO T CRD100 TE 5046 CRD-95 CRD2B-2"-DC DE HB 2"-SP-110M1 CRD-10-2 DE CRD-99 CRD-98 CRD10A-1"-HB CRD-97 CRD-96 CRD2A-2"-DC DE CRD11-2"-DE dPIS 3-202 A H C05 DE DC F-200B (3-17B) CRD-156 VENT 1" M110 CRD-11-2 YS 3-18B CRD-12-2 C DE DC CRD-10-1 3/4"-SP-110M1 CRD-155 2"-SP-110M1 (3-17A) FILTER #11 VENT F-200A CRD-12-1A CRD-12-1 YS 3-18A 2"-110 CRD-8 FT 3-212 CRD-163 C05 A PI 3-234 FLUSH CONNECTION E/S 3-309 CRD3-2"-DC 3-310 FI 3-206 PT 3-205 XR-21 XR-22-1 RV 4201A FI 4200A 4199A FE 3-203 PI 4203A FR FT 3-204 ORW 3-302 C05 PI FCp 3-311 F CRD101 2"-19M3 RV 4201B XR-22-2 FR CRD-17 S.W. CRD-16-2 FI 3-301 FC PI 3-219 CRD-14 RO 3-28 3-308 PI 3-233 PS P CRD102 CRD-20 1"-130M3 CRD-143 AI-216-1 NH-36244 HYDRAULIC CONTROL UNIT (TYP FOR 121 UNITS) HIGH POINT VENT HIGH POINT VENT E 1"-JD CRD-42 (TYP) LOW POINT DRAIN NH-36245 NH-36245 1"-110 CRD-43 (E,4) M-119 (E,6) M-119 NH-36245 TO INDIVIDUAL M-119 (A,6) CRD23D-1"-DE 2D CRD2 -1"-DC 1/2"-DC 1/2"-DC DC DE AI-216-4 1/2" 6 1" 2C CRD2 -1"-DC CRD23C-1"-DE SW (TYP) (TYP) SW AI-216-3 1" 2B CRD2 -1"-DC CRD23B-1"-DE 1" AI-216-2 1"-JD 1" VENT AND DRAIN SOLENOID VALVES TO SCRAM DISCHARGE VOLUME 1"-CCD (B,3) NH-36245 M-119 CRD-148-2 VALVE PILOT AIR HEADER HYDRAULIC CONTROL UNITS SCRAM HYDRAULIC CONTROL UNITS EXHAUST WATER HEADER 1 1/2"-JD 1/8"/FT SLOPE CRD9-1"-DE 1/8"/FT SLOPE 2A CRD2 -1"-DC CRD23A-1"-DE 5 PI 3-220 PI 3-226 4 PS 3-230 3/4"-JD CRD-80-1 CRD-80-2 CRD-81 FE 3-213 DRAIN C292 C L AI-16-11 PS 4111 RV 7364B RV 7364A AI-16-8 PI 3-229 AI-16-10 L AI-16-9 3-142A ND AI-16-7 1 1/2"-259 CRD-79-1 CRD-79-2 1 1/2" A C05 L H SV 3 1" 1" 1 1/2"-259 AI-16-6 3-142B ND SV (D,6) CRD-40 CRD-29 3"-SpN10 INSTRUMENT AIR SUPPLY 1/2"-JD 100 PSIG CRD HYDRAULIC SYSTEM PROCESS FLOW DIAG. (GE 729E259) 5828-APED-3-21-2 NX-7866-32 FOR ADDITIONAL PIPING FOR TYPICAL INDIVIDUAL HYDRAULIC CONTROL UNIT SEE DRAWING No. M-119, NH-36245 ALL SCREWED CAPS MARKED S.W. MUST BE SEAL WELDED FOLLOWING FLUSH AND CHECKOUT TESTS. This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy CONTROL ROD HYDRAULIC SYSTEM P&ID CRD HYDRAULIC SYSTEM F.C.D. (GE 729E449) 5828-APED-3-28 CRD6-1"-DE (SHOWN WITH AUTO AIR LOADING) NH-36243-1 M-117 TO #12 RECIRC PUMP XR-26-2 XR-24-2 XR-22-2A (D,4) PI 4203B 2 Xcel CRD-18-2 1"-130M3 L O C C05 CRD3B-1 1/2"-DC CRD-19 CV 3-19A 1/2"- 1/2"- FLOW CONTROL STATION CV 3-19B E/P 3-207B CRD3A-1 1/2"-DC AI-56 E/P 3-207A SET AIR AI-55 S.W. AIR SET HS 3B-S1 C05 L O C C05 CRD-18-1 CRD4-1 1/2"-DC CRD-27 3-23 CRD-24 3-21 3-305 FI 3-214 FCp C05 FI CRD5-1"-DC 1-1/2" 3"-SpN10 DC DE 1-1/2" dPT AI-20 PCV 1479 3-240 E/S 1/2"-73 REFERENCE DRAWINGS NOTES: PI 3-210 3. 2. 1. 1. 2. dPI 3-224 PCV 3-133 1/2"-73 AI-19 CRD-146 PI 3-228 3-211 3-303 C05 dPI (B-6) TO SV-3-20 AI-164 AI-162 1/2"-JD CRD-28 1"-110 HS 3B-S3 C05 1"-7 E/S 3-241 MO 3-20 CRD-22 BKR-4103 1-1/2"-19M3 CRD-23 1-1/2"-19M3 dPI 3-217 CRD-147 HS 3B-S2 C05 C216 3-304 dPI C05 BKR-4104 CRD-26 CRD7-1-1/2"-DE CRD-25 1-1/2"-19M3 MO 3-22 1-1/2"-7 3" DE DRAIN dPT 3-218 C216 S.W. SYSTEM FLUSH CONNECTION FI 3-216 STABILIZING FE 3-235 (NOT IN SERVICE) CRD-37-1 3-25A VALVE ASSEMBLY NE NH-36244 MONTI CAD DWG ` ' M-118 SCALE: sm NONE 1 REV 83 AL A (B,8) NH-36049-12 M-131 AIR SUPPLY STABILIZING CONNECTION SYSTEM FLUSH (NOT IN SERVICE) CRD-37-2 REACTOR CONTROL MANUAL VALVE ASSEMBLY REACTOR 100 PSIG INST 3/4"-JD M-116-1 PRESSURE 3-26A (C,6) NH-36242-1 AI-163 SEE NOTE 2 CRD-39-2 VENT CRD-38-2 DE DC 3/4"-7 CRD-36-2 3/4"-19M3 FILTER CRD6-1"-DC CRD-36-1 3/4"-19M3 FILTER 3/4"-DC CRD-41 CRD-39-1 CRD-38-1 3/4"-7 1"-110 DC DE NE ND ND S.W. 3-25B B C D CRD-31 CRD-30 3"-SpN214 3-140B CRD-62 CRD-63 3-140A AI-16-4 1 1/2"-259 1" 1"-110 AI-16-5 1 1/2"-259 VENT CRD-9 S.W. C292 ND 4110 SV ATWS ARI S32 HS 1" AI-16-3 ND C L SV C292 SV ND 2 1 1/2"-73 PROTECTION REACTOR CRD-65 CRD-64 7939 PCV AI-16-1 SYSTEM PI 3-227 AI-16-2 FILTER 3-27 AI-16 13556 REVISIONS MH 1-5-09 BAL 12-22-08 JJP 12-22-08 12704 BH 10-12-09 BAL 10-12-09 JJP 10-9-09 16616 JWP 1-6-11 BAL 1-4-11 JJP 1-3-11 NH-36049-14 M-131 INSTRUMENT AIR SUPPLY 70-100 PSIG NH-36254 TO RWCU M-128 (D,8) 1 1/2"-73 AI-15 78 APPR: CHK: DWN: APPR: CHK: 79 DWN: APPR: CHK: DWN: 80 EC EC EC 1 E 19070 APPR: JWP 9-13-12 CHK: DWN: BAL 9-12-12 JJP 9-11-12 81 EC CRD10B-1"-HB SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 82 EC PAGE 3 ADDED TO.PDF DOC. 23857 APPR: MJW 5-2-15 CHK: DWN: ESS 5-2-15 JJP 4-13-15 83 EC SEE DETAIL A 83 83 DETAIL A XR-21 XR-21A-4 XR-21A-3 XR-21A-5 DPI-2-1A XR-21A-2 XR-21A-1 F I L T E R XR-21B-4 XR-21B-3 XR-21B-5 DPI-2-1B XR-21B-2 XR-21B-1 F I L T E R F-18A F-18B

3-127 A & B BOTTLE SIZE TYPE "G" NITROGEN ACCUMULATOR N CHARGING SYSTEM NO. A-2 SCRAM VESSEL REACTOR CONTROL UNIT ARE PREFIXED BY 3-13. NOTE: ALL EQUIPMENT NUMBERS WITHIN (CONTROL UNIT SUPPLIED BY G.E.) (TYPICAL FOR 121 UNITS) HYDRAULIC CONTROL UNIT 3/4"-JD SCRAM VALVE PILOT AIR CHANNEL A CHANNEL B DRIVE ROD CONTROL NH-36244 CONTROL UNIT M-118 TEST CONNECTION 127 CV CRD-114 A B 6 CONTROL UNIT TO HERE 4" OR 6"-DB SCRAM DISCHARGE HEADER CRD-116 "-JD CRD-112 TEST CONNECTION P5 3/4"-DC G.E. B. (E,3) (E,2) NOTE: VALVE IS A DUAL SOLENOID THREE WAY POPPET VALVE CONTAINED IN ONE VALVE BODY AND SCHEMATICALLY FUNCTIONS AS DEPICTED. L O C C05 EXHAUST 127 POS (E,6) NH-36244 M-118 G.E. B. NH-36245 TEST CONNECTION C D E B. HIGH POINT VENT 3/4"-460M3 CONTROL UNIT TO HERE G.E. CRD-102 P4 CRD-140 FOLLOWING BALL CHECK FLUSH INSTALL VALVE FROM N.E. X-38 SLOPE "/FT A THRU D 3/4"-DC P1 1"-DE EXHAUST WATER TEST CONNECTION CRD-105 "-DC ELEMENT 136 FILTER 121 SV 6 122 SV P2 CRD-137 CRD-103 (E,6) B. G.E. NH-36244 M-118 "-DC TO HERE 126 CV 1/2"-DC 5 TUBE FITTING N CHARGING SYSTEM 2 WITH CAP P6 129 LD ELEMENTARY PROTECTION FROM REACTOR EAST L H L C54 WEST L H L C72 CONTROL UNIT TO HERE LAH PAL C05 DIAGRAM N2 CRD-111 131 PI 130 PS L O C C05 H2O 126 POS 4 1"-DC ACCUMULATOR CHARGING WATER ACCUMULATOR 132 PSD CRW 125 (D,6) CRD-115 CRD-113 CRD-107 N2 NH-36244 M-118 G.E. B. 2444 PCV TO HERE CONTROL UNIT PCV 2445 CRD-138 CRD-104 1"-DC COOLING WATER "-DC TEST CONNECTION HIGH POINT VENT X-37 A THRU D SLOPE "/FT FOLLOWING INSTALL FLUSH 1"-DC INFORMATION TO POSITION TE SYSTEM POS DRIVES OTHER FROM CONTROL UNIT TO HERE B. G.E. CRD-139 1"-460M3 CRD-101 A H C05 1" CRD005 3-243 TSC 3-244 TR C59 C59 FILTER ELEMENT 134 G.E. TO HERE CONTROL UNIT 1"-DC DRIVE WATER (D,6) B. 5 120 SV 123 SV CRD-86 135 P3 WITHDRAW WITHDRAW INSERT INSERT SETTLE DIAGRAM ELEMENTARY CONTROL FROM MANUAL A H C05 ORW TO HERE CONTROL UNIT FILTER ELEMENT G.E. CRD-75 (D,6) M-118 B. NH-36244 4 3-32A CV PI L O C C05 3-32C CV L O C C05 CRD-84 PI "-CCD (TYP) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT AT CAP P6 REQUIRED TO HCU'S HOOK-UP AS TO INDIVIDUAL 3-29 SV SYSTEM PROTECTION REACTOR 3 VENT 2442 RV A & B BANKS (TYP) 2 CRD-201-1 1/4"- CRD-201-2 3-232B PI 3-232A PI 2443 "B" BANK "A" BANK RV SUPPLY CRD AIR HEADER 70 - 75 PSIG NH-36244 M-118 (E,4) CRD-203-2 CRD-202-2 1/4"- CRD-202-1 CRD-203-1 1/4"- 3/4"-73 CRD-76 AI-216-6 CO5 5A-S11 HS PI "-JD 2 SCRAM DISCHARGE PIPING CHANNEL B CHANNEL A ND 3-31A SV NE 3-31C SV NE NE 3-31B SV 3-31D SV NE CRD-77 CRD-78 SLOPE="/FT NH-36043 M-137 (E,4) CRD16A-2"-CCD CCD 1"-CCD (TYP) 7428G LS 7429A LS "-CCD (TYP) 7430A LS 7428H LS (TYP) 3-33A CV L O C C05 ORW 3" 3-33C CV L O C C05 PI CRD-90 CRD-88 7428A LS CRD16A-24"-CCD PI 7428B LS 3 TYP 15 UNITS CRD13A-4"-DB FROM HYDRAULIC CONTROL UNITS TYP 15 UNITS FROM HCU CRD15A-4"-DB CRD14A-6"-DB TYP 31 UNITS FROM HCU CRD17A-1" CCD (A,6) " DC " DC (A,6) " DC (A,6) SCRAM DISCHARGE HEADERS CRD16A-12"-CCD SLOPE="/FT L O C C05 L O C C05 NH-36044 M-138 CRD-91 CRD-89 PI 7428F LS NO. A-1 SCRAM 7428E LS PI 3-33B CV (E,4) CRW 3" 3-33D CV CRD16B-2"-CCD CCD 7428C LS CRD16B-24"-CCD 7428D LS 1"-CCD (TYP) (TYP) SCRAM DISCHARGE HEADERS ROD WITHDRAWAL BLOCK NO. B-1 SCRAM (A,6) " DC (A,6) " DC (A,6) " DC CRD16B-12"-CCD CRD14B-6"-DB CRD15B-4"-DB FROM HCU TYP 16 UNITS TYP 13 UNITS CRD13B-4"-DB CONTROL UNITS FROM HYDRAULIC TYP 31 UNITS FROM HCU 2 NH-36245 MONTI CAD DWG ` ' M-119 REV 1 P&ID CONTROL ROD HYDRAULIC SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm SCALE: NONE 79 M A B CRD-87 NO. B-2 SCRAM C 7429B LS 7430B LS L O C C05 CRD17B-1" CCD CRD-85 PI PI L O C C05 3-32B CV CRD-74 ORW 3-32D CV DWN: APPR: APPR: CHK: DWN: CHK: 77 76 12044 JSO 3-25-09 KEC 3-25-09 JJP 3-25-09 EC REVISIONS JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 EC A/R C D E 20150 APPR: DAM 8-12-12 CHK: DWN: PEB 8-9-12 JJP 8-8-12 78 EC N.E. 117 SV 118 SV EXHAUST SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC.

(B,2)(B,6)(C,2)&(C,6) (VLV POSITION INTERLOCKS) (A,3) L.O. L.O. BKR B1119 PUMP P17 TORUS C03 10A-S10B HS BKR 4323 OR REACTOR VESSEL LOW LOW LEVEL WITH REACTOR LOW R.H.R. SERVICE WATER AIR SET AI-636 TW19-14"-GE (10-65B) MO-14"-N138 NH-36049-13 4338 C03 10A-S13B HS BKR RV 2005 RV51-1 1/2"-HB WHEN SHUTDOWN CLG. SUCTION VALVE MO-1989 IS CLOSED (EXCEPT IN ASDS MODE) PERMISSIVE TO OPEN NH-36246 M-121 TO FR10-143 NH-36247 FROM E/S 7251B TO CROSS-TIE MO-14"-N26 (C,2) PS-10-118 TR-23-115 NH-36247 NH-36247 4328 TC's TO HS S81 C292 NH-36247 FI 4105 NH-36247 PS-10-122A A 10-132B 7188 C03 F RSW103 FI B M-121 M-121 C03 HS E/S 4099 FROM (B,2) FROM (C,6) FROM M-121 M-121 (C,4) (B,2) C D RHR103 F E dPY 4103 L O C C03 MO 2009 MO-10"-N138 PAS-57-4 RHR-46-2 SX 2898 RHR-5-2 14"-N26 HS S07 C292 FS-10-123A M-121 FROM E/S 4100 NH-36247 (D,2) dPIC 10-130B NH-96042-1 TW23-12"-GE TW22-14"-GE TW20-14"-GE R.H.R. SERVICE WATER (C,4) NH-36664 M-112 10-99B TE 10-93D SEE NOTE 6 SEE NOTE 6 ISO C292 4105 E/S 4101 FROM FY SW10-18"-GF C03 10A-S7 HS (10-20) HS S25 C292 XFER A H RHR105 PS 10-122B T C292 MO 2033 BKR 10-97B C129B FT RHR107 T RHR-38-2 6 C E/S 4101 A C03 L dPI 4103 10-130B1 dPI CRW C292 C03 10-96B RHR-37-2 M-112 NH-36664 TW20-14"-GE PI PI 10-115B RV54-4"-HB RV 4282 FE (C,3) TE 10-94D L.O. D190-1"-GE 1"-19 1"-130 RV54-2 1/2-HB C217 RHR-53-2 (B,7) HS 7188 C03 FT 10-109B 10-139B C03 FI ORW 1" FE 10-108B FE 10-110B FT14-40B FT10-97B FT 10-111B FI 4106 C292 ISO TO PAS SYS HS S25 C292 (10-34B) XFER C03 10A-S12B HS 4337 BKR FS 10-123B A L C03 HS S09 C292 FY 4106 C292 FROM FI 7188 C03 6 E/S 4101 FROM BKR C03 10A-S16B HS TE 10-94B POSITIONER TW20-14"-GE CIT 10-113B R.H.R. HEAT HS S10 C292 SW12-16"-GF dPC 4103 dPY 4109 C129B 10-91B dPT HS S25 C292 dPS 10-92B 4100 E/S ISO C292 C03 XFER E/S C292 4100 E/S C292 4100 CV 1729 CE 10-112B V128-1"-GE EXCHANGER NOTE 6 ORW SEE TE 10-93B C129B C217 E-200B 12 (10-2B) SV 1729 E/P 1729 AI-637 SET AIR AIRREG 1729 MO 2003 HS S25 C292 SEE NOTE 6 RSW101 10-117B RHR-4-2 14"-N26 A H C03 L.O. PI T 4210 C217 C XFER RHR109 L.O. C L O C C03 RHR-65-2 HS S25 C292 (10-39B) MO 2007 10-136B TW24-12"-GE HE GE XFER L O C03 FI C03 TW25-4"-GE HE GE TW24-12"-GE RHR101 F BKR C03 10A-S14B HS 4208 MO-12"-N26 (10-38B) MO-4"-N138 CONN. MO 2011 3/4" LEAK TEST TW23-12"-GE TW20-16"-GE REACTOR VESSEL LOW LEVEL INTERLOCKS (PERMISSIVE TO OPEN VALVES MANUALLY) DRYWELL HIGH PRESSURE AND AUTOMATIC VALVE ACTUATION SIGNAL (DRYWELL HIGH PRESSURE OR REACTOR VESSEL LOW LEVEL. SEE FUNCTIONAL CONTROL DIAGRAM FOR ADDITIONAL INTERLOCKS) VALVES MANUALLY) INTERLOCK (PERMISSIVE TO OPEN REACTOR VESSEL LOW LEVEL (CLOSE) M-114-1 NH-85509 FROM CONDENSATE SERVICE WATER HS S12 C292 LOOP "B" 3/4"-163 AI-610-2 ORW RHR-30-2 RHR-69-2 N.E. RHR-30-4 10"-N234 RHR-2-4 D81-2"-GE HS S08 C292 RHR-59-2 3/4"-19 D80-2"-GE 10"-N234 RHR-2-2 K-10B RHR AUX COMP AI-151 RHR-55-2 ENERGIZED WHEN RHR SW. PUMPS ARE RUNNING FE 10-121D FE 10-121B RHR-56-2 AI-243-2 AI-244-2 AI-638 5 AI-1088 NH-36664 (A,3) M-112 TW19 TW20 M-131 (A,6) A/S TW19-10"-GE 3/4"-163 AI-610-4 TW19-10"-GE A/S RHR-58-2 M-131 NH-36049-13 (A,6) RV 4908B FILTER ACCUMULATOR FS 10-121D RHR-3-4 10"-N26 NH-36049-13 C03 10A-S25B HS FS 10-121B 10"-N26 RHR-3-2 L L.O. (A,6) M-131 A/S T-75D L L.O. HS S25 C292 XFER 2"-19 2"-19 AI-645-4 3/4" RHR-68-2 RHR-67-2 5 LEAK CONN. TEST L.O. AIR SET (10-153D) L O C C03 7193 RHR-54-2 START & STOP RHR-57-2 B4454 PS DT ORW TW19-10"-GE C03 10A-S25D HS T-75B ACCUMULATOR (10-153B) SV 1995 N.E. TO A.C. INTERLOCK TW19-10"-GE PS 10-105B SV 1997 PS 10-105F CV 1997 L O C C03 CV 1995 NH-36247 MTR HTR L36-8 SEE TYP. DETAIL VENTS & DRAINS FOR PUMP 4 M-121 C129B BKR 152-604 P-202B (10-3B) P-202D MTR HTR L36-10 BKR 152-603 (10-3D) C129B SET AIR AI-645-2 14 R.H.R. PI 10-107B 12 PUMP PI 10-107D PUMP R.H.R. RHR-88-2 PS-10-119A,B,C,D LS-2-3-73A,B FROM CONDENSATE SERVICE WATER NH-85509 M-114-1 NH-36242-1 SC10D-2"-GE (A,3) (E,6)(E,2) M-116-1 FROM RHR-89-2 CGC3B-2"-CA GE RHR-90-2 NH-36258 FROM M-143 (D,4) CST-91 2"-130 (CLOSE) TW9 SC29B-2"-GE 4 98A THRU 98H TYPICAL OF 8 ( ) HE GE (MOV POSITION INTERLOCKS) TO A.C. INTERLOCK PS 10-105H (B,5) C03 10A-S2B HS (RECIRC) TW21-2"-GE (RECIRC) TW21-2"-GE TW17-14"-HE C03 10A-S3B HS TW15-14"-HE HS S25 C292 XFER TE 10-98A TO TR-4926 REACTOR WATER M-128 CLEANUP SYSTEM NH-36254 (D,2) PS 10-105D (CLOSE) TW25-4"-HE (OPEN) NH-36248 TW24-12"-HE M-122 CST-93 2"-130 (A,6) RHR-8-2 3"-N237 RO 2001 TD5-4"-HBD PI 10-106B RV 1993 M-143 (START ON HIGH DRYWELL PRESSURE NH-36258 (D,3) PI 10-106D RV 1991 TD5-5"-HBD 3 dPT 7845B BS F-4 RV49-1 1/2"-HB RO 1999 dPI 7846B RV47-1 1/2"-HB dPT 7845D ORW ORW HE GE FI 4"-237 DRW-109 4240 DRAIN DRW-111 1"-19 X-320A-D CONDENSATE STORAGE (TEST) NH-36039 M-108 SUSTAINED FOR LOW LOW LEVEL REACTOR VESSEL PRESSURE OR M-116 NH-36242 15 MINUTES RHR-1-4 14"-N29 14"-N29 RHR-1-2 NOMINAL) 1" 1" 4"-142 DRW-108 3/4"-19 DRW-110 RHR-18-2 20"-N29AB FROM (A,4) OPEN ON REACTOR LOW PRESSURE) (PERMISSIVE TO TW23-12"-GE X-211A X-210A MO-16"-NW123D (SEE NOTE 1) PS-2-3-52B TW20-16"-GE TW8 FROM M-116 NH-36242 (E,5) 3 BKR (10-27B) 4335 X-204A-D 10" MO 2013 DB GE REACTOR VESSEL R-200 (2-1) MO 4085B TW40-4"-DBA NOTES: VALVE MARK NUMBER WITH PREFIX "W" INDICATES ASA 600 LB VALVE RATED AT 1248 PSI/563°F PER MSS-SP-66. ALL MOV HAND SWITCHES INDICATED L.C. OR L.O. HAVE KEY LOCKS. ALL MOV'S INCLUDE HAND SWITCH & POSITION LIGHTS IN IN CONTROL ROOM. DRAIN CONNECTIONS ON RHR PUMP SUCTION & DISCHARGE TO BE PROVIDED WITH HOSE AND PORTABLE CONDUCTIVITY CELL TO FLOOR DRAINS. SEE NOTE 4 ON DWG. NO. M-121, NH-36247. COMBINATION TC/RTD PROBES. RTD'S TO LOCAL JUNCTION BOX ONLY (NJ5304). TE-10-93B-1 (TC), TE-10-93B-2 (RTD) TE-10-93D-1 (TC) (SPARE), TE-10-93D-2 (RTD) TE-10-94B-1 (TC), TE-10-94B-2 (RTD) TE-10-94D-1 (TC), TE-10-94D-2 (RTD) P&ID RESIDUAL HEAT REMOVAL SYSTEM This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. Energy MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY D93-1"-HE DLA VALVE LEAKAGE TEST CONN. RHR-34 1"-19 RHR-74-2 MO 2023 C03 10A-S11B HS DRW-122 REMOVABLE SPOOL PIECES INSTALLED FOR TORUS DRAINING NH-96042-1 D82-3"-HE RHR-10-2 (C,3) TD5-4"-HBD TD5-3"-HBD TORUS RING HEADER XFER TW14A TW14A-20"-HE PIECE INSTALLED FOR REMOVABLE SPOOL TORUS DRAINING HS S06 C292 HS S25 C292 C03 10A-S4B HS L.O. C11 PAS SYS FROM TD5-3"-HBD HE (A,7) HBD (10-13B) MO 1987 TW27-20"-HE MO 1989 MO-18"-N29 RHR-13-2 1"-19 TW14A REW10 2 ORW (10-15B) 4321 PAS-57-7 1"-19 DRW-113 3"-N29AB C03 10A-S6B HS BKR POS 3140 X-224A MO-20"-N29AB B C D A REW10-18"-HE RHR-78-2 M-143 NH-36258 (D,5) RHR-77-2 3/4"-19 L O C C03 BKR 4339 C03 10A-S9B HS RHR-75-2 RHR-16-2 3/4"-130 D100-3/4"-GE D97-3/4"-DB MO 2015 C03 10A-S8B HS 3/4"-19 (SEE NOTE 1) SUPPRESSION CHAMBER TORUS MO-16"-NW14DU X-213A ORW BKR 4334 (10-26B) MO-10"-N26 RHR-76-2 MO 2021 X-29E TEST CONN. D58-1"-DCA VALVE LEAKAGE (10-25B) 3/4"-130 RHR-12-2 3/4"-130 RHR-11-2 RHR-31-2 X-13A RHR-33-2 1"-130 1"-CCA DB RHR-64 RHR-43 3/4"-130 AIR TEST CONN. RHR-17-2 3/4"-130 D180-1"-GE 2 (PERMISSIVE TO OPEN WHEN TORUS SUCTION VALVE MO-1987 IS CLOSED) DISCHARGE VALVE OPEN WHEN TORUS (PERMISSIVE TO MO-2007 IS CLOSED) V129-3/4"-HE RHR LOOP "A" NH-36247 M-121 FROM (B,5) 3/4"-130 RHR-48 Xcel 1. 3. 2. 4. 6. 5. 1"-CCA RHR-32-2 RHR-73-2 3/4"-130 RHR-24-2 3/4"-130 16"-NW14 RHR-6-2 SEE NOTE 1 TW20-16"-DLA RHR-25-2 INSIDE OF DRYWELL AO 10-46B DLA CRW DC DB DCA V34-3/4"-DB CLOSE 4" VENT L O C C03 BKR 4209 X-39A MO-10"-N26 (10-31B) RHR-50 TW23-10"-GE L.O. RHR-72-2 L O C C03 DLA 4331 4" BKR L.O. CO4 2A-S9B HS POS 2019 DBA DLA DCA M-120 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A BJR 3-11-08 JJP 11-18-10 BAL 11-30-10 AVW 12-1-10 17164 14867 RMG 3-12-08 JJP 9-23-09 BAL 9-23-09 ERF 9-23-09 BAT 4-8-11 DDW 4-13-11 CVB 4-13-11 15557/16563 01121715 JJP 3-5-08 REVISIONS 17932 IRL 6-29-11 BAL 6-28-11 JJP 6-28-11 20263 KMF 6-27-12 BAL 6-22-12 JJP 6-21-12 JEB 5-1-13 BAL 4-29-13 JJP 4-29-13 NH-36246 SCALE: sm NONE 1 M-121 NH-36247 REACTOR RECIRCULATING PUMP P-200B (2-2-1B) RHR-70 NH-36247 RHR-71 M-117 NH-36243 (D,6) 18" M-121 (C,6) (E,6) CHK: APPR: CHK: DWN: APPR: CHK: DWN: 81 APPR: 80 APPR: CHK: DWN: 82 EC EC EC 20651 DWN: CHK: 77 APPR: DWN: 76 DWN: CHK: 78 DWN: CHK: APPR: 79 APPR: 1 EC EC EC A/R EC 11951 REV AV 84 A B C D E 21396 APPR: WMS 5-8-13 CHK: DWN: PEB 5-8-13 JJP 5-8-13 83 EC NOTE 7

7. SOLENOID VALVE SV-2017, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-10-46B HAVE BEEN ABANDONED IN PLACE: REFERENCE EC21396.

25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 84 EC PAGE 3 ADDED TO.PDF DOC.

X-50F REACTOR VESSEL R-200 (2-1) REACTOR RECIRCULATING PUMP P-200A (2-2-1A) L O C C03 X-12 RHR-20 3/4"-130 HE DB M-120 NH-36246 NH-36247 6 5 4 3 2 1 E D C B A E D A 6 5 3 4 1 2 B C REVISIONS MO 4085A VALVE LEAKAGE TEST 3/4"-130 RHR-19 MO 4086 MO 2029 MO 2030 FROM CNDS NH-85509 SERV WATER M-114-1 F RHR102 X-211B X-210B TORUS SUPPRESSION CHAMBER X-213B TORUS RING HEADER L O C C03 DC C DRW-123 ORW RHR-62 MO-20"-N29AB MO-18"-N14D5 MO 1986 (10-13A) REW10-18"-HE REW11-8"-HE TW28-20"-HE ORW RV56-1 1/2"-HB RV 2031 X-224B SC10B-2"-GE CST-89 2"-130 MO-18"-N14DU (10-17) (ISOLATION SIGNALS A,U) PS 10-118 M-120 TO ALARM REW10-18"-DB D99 D196-1"-HE RHR-13-1 1"-19 MO-18"-N29 MO 1988 (10-15A) TW28-20"-HE REW10 TW14B M-120 PUMPS B&D NH-36246 (B,2) SUCTION RHR L.O. M-135 EMERGENCY NH-36256 FUEL POOL COOLING HE PERMISSIVE TO OPEN WHEN TORUS DISCHARGE VALVE MO-2006 IS CLOSED MO-1986 IS CLOSED) SUCTION VALVE OPEN WHEN TORUS (PERMISSIVE TO PAS SYS FROM NH-96042-1 3"-N29AB RHR-10-1 L.O. RHR-1-1 14"-N29 14"-N29 RHR-1-3 (TEST) CONDENSATE NH-36039 STORAGE M-108 RHR-18-1 20"-N29AB C11 TW14B (START ON HIGH DRYWELL PRESSURE OR REACTOR VESSEL LOW LOW LEVEL WITH PAS-57-6 POS 3139 A B C D D83-3"-HE A/S AIR SET FILTER SV 1728 RHR-56-1 AI-243-1 RHR-58-1 RHR-57-1 RHR-54-1 RHR-55-1 AI-1087 (10-2A) E-200A EXCHANGER R.H.R. HEAT D184-1"-GE 1"-19 RHR-37-1 TE 10-93A 10-96A FE A C03 L C RV 4281 RV55-4"-HB C129A 10-117A PI PI 10-115A RHR-46-1 1"-130 V127-1"-GE CRW PS 10-122A NOTE 5 4" 4" TW40-4"-DBA TW40-4"-DBA DLA DB (10-18) L O C C03 POS 2018 M-117 3/4"-130 RHR-40 CRW RHR-9 18"-N14 RHR-25-1 3/4"-130 3/4"-130 RHR-24-1 V35-3/4"-DB AO 10-46A VENT 4" 4" RHR-73-1 RHR-72-1 L.O. M-117 (D,3) RHR-6-1 16"-NW-14 CRW DCA DLA DBA DLA DC DLA DB MO 2014 (10-25A) (10-27A) MO 2012 RHR-77-1 RHR-78-1 3/4"-19 3/4"-19 ORW PI 10-106C RV 1990 PI 10-106A ORW RV48-1 1/2"-HB 1" TW16-14"-HE dPT 7845A C129A dPI 7846A LOOP "A" DT AI-244-1 AI-153 NH-36049-13 M-131 (C,5) ENERGIZED WHEN RHR SW. PUMPS ARE RUNNING dPIC 10-130A C03 FROM E/S 7251A M-112 NH-36664 RHR SERVICE WATER CV 1728 TE 10-94A C129A RHR-38-1 C129A PI 10-99A WATER NH-36664 RHR SERVICE M-112 FT 10-97A E/S 10-145A FROM HS 7189 C03 C03 10-132A FI RHR104 T F RSW102 ACCUMULATOR T-75A T RSW100 K-10A RHR AUX. COMP. PANEL P73A BKR. #1 3/4"-163 AI-610-1 SET AIR L C03 C O CV 1994 RHR PUMP P-202C (10-3C) M-120 TO ALARM NH-36246 SEE DETAIL FOR PUMP VENTS & DRAINS AI-645-1 BKR 152-503 MTR HTR L35-10 MTR HTR L35-8 BKR 152-504 11 (10-3A) P-202A RHR PUMP L.O. L.O. D84-3"-GE RHR-47 3"-N26 10"-N26 RHR-3-1 RHR-2-1 10"-N234 L.O. RHR-4-1 14"-N26 L.O. 14"-N26 RHR-5-1 NOTES: VALVE MARK NUMBER WITH PREFIX "W" INDICATES ASA 600 LB. VALVE RATED AT 1248 PSI/563° F PER MSS-SP-66. 1. SEE DWG. No. 2. DELETED 3. TYPICAL SPEC. CHANGE AFTER LAST VALVE IN VENTS, DRAINS AND LEAK TEST CONNECTIONS. 4. 2. FROM PS 2-128A & PS 2-128B, PERMISSIVE TO OPEN 5. ISOLATION SIGNALS A,U 6. REFERENCE DRAWINGS: RHR FUNCTIONAL CONTROL DIAGRAM 1. RHR PROCESS FLOW DIAGRAM PUMP NUMBER P202B P202A P202C P202D SUCTION DRAIN DRAIN DISCHARGE DRAIN CASING VENT LEAKAGE SEAL VALVE No. LINE No. LINE No. LINE No. LINE No. LINE No. VALVE No. VALVE No. VALVE No. VALVE No. FIS No. RHR-44-1 RHR-44-2 RHR-44-3 RHR-44-4 D86-1"-GE D85-1"-GE D88-1"-GE D87-1"-GE RHR-36-1 RHR-36-2 RHR-36-3 RHR-36-4 D151-1"GE D137-1"GE D150-1"GE D138-1"GE RHR-23-1 RHR-23-2 RHR-23-3 RHR-23-4 D192-1"GE D194-1"GE D193-1"GE 195-1"GE RHR-35-1 RHR-35-2 RHR-35-3 RHR-35-4 V96-3/4"-GE V90-3/4"-GE V95-3/4"-GE V91-3/4"-GE 10-124-A 10-124-B 10-124-C 10-124-D RHR-22-1 RHR-22-2 RHR-22-3 RHR-22-4 D90-3/4"-GE D89-3/4"-GE D92-3/4"-GE D91-3/4"-GE SUCTION DRAIN CRW NOTE 2 DRAIN CASING DISCHARGE DRAIN SEAL PUMP SEAL LEAKAGE VENT COOLER SEAL CYCLONE SEPARATOR M-111-1 RBCCW FIS A C03 C NOTES:

1. VALVE CLASS 1"-19
2. VALVE FOR P202B (RHR-45-2) &

P202D (RHR-45-4) ONLY. 3/4"-130 RHR PUMP VENT & DRAINS DETAIL (TYP OF 4) RHR106 T TE 10-94C A H C03 TR 23-115 C21 M-120 FROM TE 10-93B-1, TE 10-94B-1 & TE 10-94D-1 & TE-2781B FROM TE-2781A M-135 3/4"-130 RHRSW-15 NH-36664 RHRSW PUMPS M-112 RHRSW-16 3/4"-130 RHRSW-17 8"-N234 3/4"-130 RHRSW-35 RHRSW-36 3/4"-130 VENT SW9-8"-GE P-109A & C C03 10-139A FI FT 10-109A FR 10-143 C03 M-120 FROM FT 10-109B NH-36246 FROM E/S 7251A TW30-14"-GE TW33-12"-GE TW22-14"-GE RV52-1 1/2"-HB RV 2004 1" TW36-4"-GE PERMISSIVE TO OPEN WHEN SHUTDOWN CLG. SUCTION VALVE MO-1988 IS CLOSED RHR100 F FE 10-108A FT 10-111A FE 10-110A FS 10-123A NH-36246 TO ALARM M-120 FI 10-136A C03 FROM E/S 7251A HS 7189 C03 FT 10-97A FI 7189 C03 MO 2006 (10-39A) L O C C03 TW35-4"-GE MO-12"-N26 TW34-12"-GE 1" NH-36242 FROM PS-2-3-52A M-116 (PERMISSIVE TO OPEN ON REACTOR LOW PRESSURE) M-114-1 SERVICE WATER NH-85509 NH-36258 M-143 2"-130 CST-95 SC10A-2"-GE SC10C-2"-GE CST-99 2"-130 NH-85509 FROM CNDS M-114-1 SERV WATER GE HE L O C C03 MO 2008 (10-34A) MO-10"-N138 HE GE RHR-65-1 3/4" LEAK TEST L O C C03 MO 2010 (10-38A) MO-4"-N138 3/4" L.O. (10-66) MO 2407 L O C C03 MO 2032 C A.C D.C (10-57) RHR-59-1 3/4"-130 RHR-67-1 RHR-68-1 RHR-69-1 (ISOLATION SIGNALS A,U) MO-4"-N26 TW37-4"-GE LEAK TEST CONN. (10-65A) MO 2002 MO-14"-N138 SX 2897 CE 10-112A TW22-14"-GE CIT 10-113A C RHR108 A H C03 TO PAS SYS NH-96042-1 TW30-14"-GE PAS-57-5 C C217 C217 C217 L.O. RHR-7 14"-N26 1"-19 RHR-41 FPW12-8"-GE 1" DRAIN TW29 TW30 FE 10-121A FS 10-121A L TW29-14"-GE TW29-10"-GE TW29-10"-GE SV 1994 PS 10-105A PS 10-105E PI 10-107A C129A (10-153A) TW31-2"-GE N.E TO A.C. INTERLOCK dPT 7845C C129A PI 10-107C RHR-3-3 10"-N26 TW29-10"-GE 10"-N234 RHR-2-3 PS 10-105G PS 10-105C L FS 10-121C FE 10-121C TW22-14"-GE M-120 ORW PC-35 1"-19 1"-19 PC-36 D95-1"-GE D96-1"-GE HC GE GE TO A.C. INTERLOCK SV 1996 SET AIR CV 1996 T-75C ACCUMULATOR RV50-1 1/2"-HB ORW RV 1992 1" TW31-2"-GE (RECIRC) TW34-10"-HE TW30-16"-GE TW35-4"-HE TW31-2"-GE (RECIRC) FUEL POOL EMERGENCY COOLING NH-36256 NH-36045 M-139 M-135 NH-36246 MO 2033 CORE SPRAY M-122 NH-36248 TW12 WASTE SURGE TANK CROSS TIE GE DB MO-16"-NW123D 3/4"-130 RHR-11-1 RHR-12-1 3/4"-130 (VALVE POSITION INTERLOCKS) TW30-16"-DB D98-3/4"-DB HE GE DCA DB 1"-CCA RHR-31-1 RHR-32-1 RHR-33-1 TW13 3"-N237 RHR-8-1 RO 2000 RO 1998 X-13B D57-1"-DCA VALVE LEAKAGE TEST CONN. MO-16"-NW14DU SEE NOTE 1 SEE NOTE 1 M-122 NH-36248 L O C C03 (10-153C) N.E. 3/4"-163 AI-610-3 AI-645-3 A/S HE GE TW18-14"-HE (MOV POSITION INTERLOCKS) C129A HB ED V45-3/4" INSIDE OF DRYWELL VALVE LEAKAGE TEST CONNECTION C SEE NOTE 6 DCA ED DLA 3/4"-130 RHR-26 RHR-27 VENT RHR-49 CRW X-17 RHR-75-1 MO-10"-N26 MO 2022 L O C C03 10" 3/4" GE X-39B RHR-76-1 RHR-17-1 RHR-16-1 VALVE LEAKAGE TEST CONN. 3/4"-130 3/4"-130 D101-3/4"-GE AIR TEST CONN. REFUELING SEAL RHR-74-1 MO 2020 TW33-10"-GE TW33-12"-GE RHR-63-2 RHR-63-1 (10-31A) MO-10"-N26 (10-26A) L O C C03 POSITIONER AI-634 AI-633 AI-635 NH-36042-2 (D,4) (D,6) (C,6) (D,6) (B,6) (B,4) (B,5) (B,4) (C,1) (A,4) (C,5) NH-36049-13 M-131 (B,2) (B,2) (C,6) (C,2) (B,6) (C,1) NH-36243 NH-36243 (C,4) (E,2) (A,4) (A,4) MO-4"-N26 10-92A dPS 10-91A dPT 3/4"-130 E/P 1728 M-122 NH-36248 TO FT 14-40A (A,2) (E,2) ORW PC-18 PC-1 (C,5) M-131 NH-36049-13 A/S (D,2) M-117 NH-36243 (C,5) (D,3) NH-36258 M-143 ON LOW PRESSURE. NOTE 5 HB MAIN LINE CLASS (C,3) ORW PS 7192 11 13 ORW ORW C03 16A-S9 HS BKR 3333 3309 BKR C03 10A-S11A HS C03 10A-S9A HS BKR 3339 C03 10A-S8A HS 3334 BKR C03 10A-S10A HS BKR 3335 BKR 3331 C04 2A-S9A HS C03 16A-S10 HS BKR 31307 C04 2A-S10A HS BKR 3332 C03 10A-S4A HS BKR 3321 BKR 3322 C03 10A-S6A HS C03 10A-S25C HS C03 10A-S2A HS C03 10A-S3A HS C03 10A-S16A HS C03 10A-S25A HS BKR 3336 BKR 31310 C03 16A-S14 HS C L O C C03 C03 16A-S13 HS BKR 4211 C03 10A-S13A HS BKR 3338 BKR 3337 C03 10A-S12A HS C03 10A-S14A HS BKR 3341 NH-36246 (B,6) NH-36256 (B,4)(C,6) RV 4908A (B,7) L.O. DRYWELL HIGH PRESSURE AND VALVES MANUALLY) INTERLOCKS (PERMISSIVE TO OPEN REACTOR VESSEL LOW LEVEL FROM (CLOSE) REACTOR VESSEL LOW LEVEL INTERLOCK (PERMISSIVE TO OPEN VALVES MANUALLY) (E,6)(E,2) NH-36242-1 M-116-1 (D,4) NH-36258 M-143 FROM PS-10-119A,B,C,D LS-2-3-73A,B (OPEN) FOR ADDITIONAL INTERLOCKS) SEE FUNCTIONAL CONTROL DIAGRAM OR REACTOR VESSEL LOW LEVEL. SIGNAL (DRYWELL HIGH PRESSURE AUTOMATIC VALVE ACTUATION (CLOSE) FROM CONDENSATE CONN. (CLOSE) M-120 RHR-53-1 3/4"x1/4" RHR-79 RHR-80 NX-7905-4 NX-7905-6-1, 2 & 3 FROM ABANDONED COMBINATION TC/RTD PROBES. RTD'S TO LOCAL JUCTION BOX (NJ5303). TE-10-93A-1 (TC), TE-10-93A-2 (RTD) TE-10-93C-1 (TC) (SPARE), TE-10-93C-2 (RTD) TE-10-94A-1 (TC), TE-10-94A-2 (RTD) TE-10-94C-1 (TC), TE-10-94C-2 (RTD) 7. 10-93C TE SEE NOTE 7 SEE NOTE 7 SEE NOTE 7 SEE NOTE 7 RHR-83-1 RHR-85-1 RHR-83-2 RHR-85-2 RHR-82 RHR-84 RHR-81 REW10-1" DC NH-36246 (B,6) X-204A-D X-320A-D (NH-36246) (B-6) SERVICE WATER M-114-1 FROM CONDENSATE RHR-87 RHR-86 SC29A-1"-GE REACTOR LOW PRESSURE OR REACTOR LOW LOW LEVEL SUSTAINED FOR 15 MIN.) (B,2)(B,6)(C,2)&(C,6) NH-36242 M-116 (ISOLATION SIGNALS A,U) M-112 NH-36664 (C,4) RV55-2 1/2-HB ORW CGC3A-2"-CA RHR-90-1 3/4"-19 GE RHR-89-1 RHR-88-1 CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 76 JJP 3-5-08 11951 01121715 A/R EC NH-36247 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-121 AV Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RESIDUAL HEAT REMOVAL SYSTEM REV 85 14867 APPR: ERF 9-23-09 CHK: DWN: BAL 9-23-09 JJP 9-23-09 77 EC 1728 AIRREG 14831 APPR: BAD 10-12-09 CHK: DWN: BAL 10-7-09 JJP 10-6-09 78 EC 17164 APPR: AVW 12-1-10 CHK: DWN: BAL 12-1-10 JJP 11-18-10 79 EC 15557 APPR: VJK 4-7-11 CHK: DWN: DDW 4-6-11 BAT 4-3-11 80 EC 17932 APPR: IRL 6-29-11 CHK: DWN: BAL 6-28-11 JJP 6-28-11 81 EC 19350 APPR: SWK 4-18-12 CHK: DWN: PEB 4-17-12 JJP 4-17-12 82 EC TO PAS SYSTEM NH-96042-1 REW10-1"-HE SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 21396 APPR: WMS 4-19-13 CHK: DWN: PEB 4-19-13 JJP 4-19-13 83 EC NOTE 8

8. SOLENOID VALVE SV-2016, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-10-46A HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396.

20651 APPR: CHK: DWN: JJP 4-29-13 84 EC BAL 4-29-13 JEB 5-1-13 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC.

(C,6) NH-36242-1 NH-36258 DLA X-226B 12"-N29AB REACTOR VESSEL INSTRUMENTATION ABOVE CORE PLATE) (FROM PRESSURE M-116-1 TORUS SUPPRESSION CHAMBER POS 1757 C03 14A-S3A HS V98-1"-GE D76-1"-GE 2"-130 CS-10-2 HS S05 C292 FROM E/S 4100 FROM E/S 4101 TW7-10"-GE NH-36248 A B C D E (WEST SIDE) CONDENSATE STORAGE 6 NH-36039 (B,4) M-108 (TEST) C12-12"-HB 12 12"-N29AB PI 14-36B 3/4"-19 CS-4-2 HB C12 CS-3-2 HE HB HE TW6 AUTO BLOWDOWN FT-10-111B FT-10-97B CS-14-2 1/2"-19 ORW (C,1) SERVICE WATER NH-36664 M-112 EMERGENCY AC INTERLOCK CRW 3/4"-19 CS-15-2 NH-36246 NH-36664 M-112 (D,6) M-120 (D,4) 6 HB 2"-19 10"-N234 3/4"-130 CS-5-2 CS-9-2 CORE SPRAY TW7-2"-GE CS-8-2 PS 14-44D PUMP (14-1B) P-208B 1/2"-GE 3/4"-GE MOTOR COOLING MOTOR COOLING (14-10B) 14-52B C19 E/S 14-48B PT 14-38B C03 PI TX 2469 TW7-10"-GE PS 14-44B L-36-9 MOTOR HEATER BKR 152-605 VENT CRW ORW RV-42-2"-HB HS 7188 C03 FI 7188 C03 RV 1746 GE 2" H M-124 NH-36250 X-16A BKR 4324 (14-12B) (OPEN ON AUTOMATIC INITIATION (NOTE 1)) XFV-83 A H C03 3"-237 DRW-131-4 L D154-1"-GE ECCS AREA DRAIN A H PUMPS-100 GPM D78-2"-HE CS-2-2 TW6-12"-HE ORW CRW 2"-19 5 EACH LS 3403 LS 3400 H H L L C03 BKR 4349 DRW-131-3 L C03 3"-237 P-88C BKR 4350 P-88D LS 3401 SERVICE WATER CONDENSATE TW8-8"-HE RO 1748 (CLOSE ON AUTOMATIC INITIATION (NOTE 1)) (14-26B) BKR 4327 MO 1750 BKR 4325 CS-24-2 (14-11B) CS-26-2 3/4"-19 3/4"-19 CS-25-2 MO-6"-N138 C03 14A-S5B HS RO 1744 GE HS S26 C292 L.O. XFER CS-6-2 CS-7-2 1"-19 1"-19 CS-17-2 CS-16-2 HE RO 2855 NH-36246 (C,4) RHR TEST LINE M-120 TW9-2 1/2"-HE GE HE TW8-8"-GE FE 14-39B 14-50B FT 14-40B FY 4104 C03 FI 4104 F CSP101 C292 ORW ISO C292 FI SC29-2"-GE NH-85509 (A,5) M-114-1 5 C03 14A-S4B HS TEST CONN. VALVE LEAKAGE TW24 TW4-4"-HE HS 42-4349/CS TO TORUS ROOM 3"-HC HS S04 C292 HS S26 C292 XFER HS 42-4350/CS X-204A-D (B,5) HPCI dPIS 14-43B C121 ED C HB 1"-972 (C,2)&(C,6) REACTOR VESSEL INSTRUMENTATION NH-36242 TW7-8"-ED MO-8"-NSP14D C03 14A-S16B HS A H C03 PS 14-47B C03 14A-S2B HS HS S02 C292 LT16-3/4"-ED MO 1752 ED GE XFER HS S26 C292 HS S03 C292 MO-8"-N14D CS-11-2 3/4"-130 3/4"-130 CS-12-2 C03 14A-S1B HS XFER HS S26 C292 M-116 HS S01 C292 C03 14A-S3B HS MO-12"-N29AB (14-7B) 4 BKR 4326 XFER HS S26 C292 MO 1742 CS-1-2 12"-N29AB L.O. CS-1-1 NH-36242 TYPICAL OF 2 SPACED 180° APART (B,2)&(B,6) M-116 POS 1758 ECB CS-23-2 CS-21-2 CS-20-2 1"x3/4" TORUS RINGHEADER TORUS ACCESS HATCH X-200A/B X-50A 3/4"-19M3 I-X50-R-A CS-22-2 FG 3478 ED DBB HBD CRW ED HBD HBD ED ED DBB ECB REACTOR PRESSURE) M-116 NH-36242 REACTOR VESSEL INSTRUMENTATION (E,2)&(E,5) FROM PS 2-3-52A (PERMISSIVE ON LOW & PS 2-3-52B NOTE 5 14-13B AO ED MO 1754 DLA L O C C03 TW7-8" DLA CS-13-2 8"-N14 ED 4 INITIATION (NOTE 1) START PUMPS ON AUTOMATIC X-226A 1"-130M3 REACTOR VESSEL DLA L.O. This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT M-121 NH-36247 NH-36664 M-112 CORE SPRAY CHECK VALVE DESIGN SPEC. E82FR01-01 FOR PIPE CLASS CORE SPRAY ELEMENTARY DIAGRAM (GE729E817) NX-7833-21-(1 THRU 5) CORE SPRAY SYSTEM PROCESS FLOW DIAGRAM (GE161F301) NX-7833-4 CORE SPRAY SYSTEM F.C.D. (GE729E239) NX-7833-3 CORE SPRAY SYSTEM F.C.F. (GE153F722) NX-7833-1-2 REFERENCE DRAWINGS: 14-52A TO TORUS ROOM HS 42-3350/CS TW12-8"-HE LT15-1"-ED TW11-8"-GE 1751 (CLOSE ON AUTOMATIC INITIATION (NOTE 1)) P-88B BKR 3350 DRW-131-1 3"-237 MO 1741 BKR 3326 L.O. 3 MO-12"-N29AB (14-7A) BKR 3349 DRW-131-2 P-88A 3"-237 LS 3398 H L 3"-HC 2"-19 D79-2"-HE CS-2-1 L C03 ORW L C03 (OPEN ON AUTOMATIC INITIATION (NOTE 1)) CS-22-1 BKR 3324 EF CRW 20"Ø TORUS RING HEADER M-143 (D,3) ECB ED HBD HBD 3/4"-19M3 I-X27-R-C FG 3477 X-27C CS-13-1 8"-N14 TW11-8" L O C C03 ED L.O. DLA DBB ED ECB ED ECB DLA CS-23-1 NOTE 5 1"x3/4" CS-21-1 CS-20-1 14-13A AO ED DBB HBD ED LT15-3/4"-ED 3 dPIS 14-43A HS 42-3349/CS X-320A-D RCIC PUMP NH-36252 MIN. FLOW (B,5) M-126 1"-972 XFV-82 A H C03 C FW6-2"-HE TW34 3"-HC C03 14A-S4A HS C121 INSTRUMENTATION REACTOR VESSEL CS-25-1 3/4"-19 3/4"-19 CS-26-1 VALVE LEAKAGE TEST CONN. C03 14A-S1A HS 1"-130 CS-19-1 1"-130 CS-18-1 TW11-8"-ED CS-11-1 3/4"-130 MO-8"-N14D 3/4"-130 CS-12-1 X-16B HB ED (14-12A) ORW 1753 MO (C,2)&(C,6) NH-36242 M-116 MO-8"-NSP14D C03 14A-S16A HS A H C03 PS 14-47A HB ED ED MO (EAST SIDE) D153-1"-GE (B,4) NH-36039 CONDENSATE STORAGE (TEST) M-108 PUMPS-100 GPM ECCS AREA DRAIN 12"-N29AB 3/4"-19 CS-4-1 TW10 HE LS 3399 HB HE CS-3-1 C14 HB EACH LS 3402 H L H 2 C14-12"-HB TW10-12"-HE A C06 CRW PI 14-36A 11 L.O. V97-1"-GE D77-1"-GE 2"-130 CS-10-1 RO 2854 2"-223 FROM E/S 7251A CST-103-1 TEST LINE NH-36247 RHR TEST 2"-HE M-121 (C,5) LINE TW13-2 1/2"-HE BKR 3327 (14-26) RO 1747 MO 1749 TW12-8"-GE RO 1743 CS-6-1 1"-19 CS-7-1 HE 1"-19 CS-16-1 CS-17-1 C03 14A-S5A HS GE MO-6"-N138 GE HE SC30-2"-GE 2"-223 CST-104-1 CS-28-1 CS-27-1 1" CS-24-1 GE C03 14A-S2A HS (14-11A) BKR 3325 FE 14-39A F CSP100 FT 14-40A 1" SC30-3/4"-GE 2 TW11-10"-GE MOTOR HEATER 2"-19 10"-N234 CRW CS-9-1 BKR 152-505 TW11-2"-GE CS-8-1 PS 14-44A L-35-11 VENT 2. 3. 5. 4. 1. PS 14-44C PUMP P-208A (14-1A) 1/2"-GE 3/4"-GE MOTOR COOLING MOTOR COOLING CORE SPRAY (14-10A) 3/4"-130 CS-5-1 PT 14-38A PI 14-48A C03 PCV 2458 FT-10-111A FI 7189 C03 HS 7189 C03 CST-101-1 14-50A FI C03 2" GE HB ORW 2"-19 GE CST-102-1 3/4"-19 PI 7324 HB RV 1745 RV43-2"-HB TX 2468 FT-10-97A GE HB (D,5) (D,2) FG 2630 SC30-2"-HB SCALE: P&ID CORE SPRAY SYSTEM NH-36248 Energy sm 1 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A MONTI CAD DWG ` ' NONE M-122 REV AB 85 CRW SERVICE WATER EMERGENCY NH-36664 AUTO BLOWDOWN 3/4"-19 CS-15-1 AC INTERLOCK ORW (B,1) M-112 E/S C19 CS-14-1 1/2"-19 RV46-1 1/2"-HB RV 2470 CST-100-1 3/4"-19 M-114-1 NH-85509 (C,3) ORW CONDENSATE SERVICE WATER 1 JJP 4-29-13 BAL 4-29-13 JEB 5-1-13 APPR: CHK: DWN: JJP 5-29-07 BAL 6-14-07 JJP 8-16-07 11310 01099604 EAN 6-15-07 JIH 8-20-07 BAL 8-20-07 11951 10785 REVISIONS BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 01125736 12433 JJP 4-21-08 JIH 4-21-08 BAL 4-21-08 18998 KMF 11-7-11 BAL 11-1-11 JJP 10-31-11 16693 KF 3-21-12 PEB 3-21-12 JJP 3-21-12 20651 APPR: CHK: DWN: APPR: CHK: DWN: CHK: APPR: APPR: CHK: DWN: DWN: 80 81 82 78 79 EC EC EC A/R A/R EC EC DWN: CHK: DWN: APPR: CHK: APPR: 77 76 A/R EC EC A B C D E 21396 APPR: WMS 5-7-13 CHK: DWN: PEB 5-7-13 JJP 5-7-13 83 EC AUTOMATIC INITIATION OF THE CORE SPRAY SYSTEMS OCCURS ON: A) HIGH DRYWELL PRESSURE OR B) LOW LOW REACTOR WATER LEVEL AND LOW REACTOR PRESSURE OR C) LOW LOW REACTOR WATER LEVEL FOR 15 MINUTES (NOMINAL). NOTE: 1. 2. 3. NOTE 2 NOTE 3 SOLENOID VALVE SV-1755, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-14-13A HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. SOLENOID VALVE SV-1756, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-14-13B HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. 22928 APPR: WMS 12-2-13 CHK: DWN: BAL 12-2-13 JJP 12-2-13 84 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC.

AND C03 SE 7923 SPEED TURBINE MISC TURBINE INSTRUMENTATION 23A-S19 3x2 C28-2"-HE D45-3/4"-HE TW38-2"-HE CONDENSATE PUMP P-212 TO PT 23-83 VALVE (CLOSE) XFV-84 NH-36241 MAIN STEAM HPCI-10 3/4"-130 HPCI-23 HPCI-11 3/4"-130 HPCI-75 A 6 SUPPRESSION POOL LT29B-3/4"-HE V52A-2"-HE HPCI-65 B HPCI-66 LT29A-3/4"-HE 2"-130 3/4"-130 HPCI-67 X-217 HPCI-71 2"-130 HPCI-70 LT29C-3/4"-HE HPCI-68 3/4"-130 3/4"-130 HPCI-69 C D R-200 (2-1) REACTOR VESSEL HPCI-83 RS2-20"-HE X-221 D13-2"-HE X-222 2"-19 HPCI-16 HPCI-84 HPCI-85 HPCI-82 RS2-16"-HE 20"x16" L.O. PS2-18"-ED 2300B LEAKAGE HPCI PUMP 23A-S15 NH-36049-14 4 5 FULL OPEN (D,2) MO-2036 IS CLOSE WHEN OIL PUMP P-217 HPCI TURBINE AUX. (NOT SHOWN) HS dPIS 23-76A HPCI-14 2"-223 3/4"-130 HPCI-17 LT29-3/4"-HE TEST LEAKAGE VALVE LEAKAGE VALVE TEST 2"-223 HPCI-15 TEST LT28-3/4"-HB LEAKAGE VALVE 3/4"-19M3 3/4"-19M3 A H HPCI-9 16"-N237 RO 2040 C V52-1"-HE PS 23-86 1/4" X-49C X-49D M-115 (D,5) PSD 2039 PSD 2038 V52-16"-HE 1"-972 1"-972 XFV-85 C122 H TRIP HPCI-13 TURBINE TW38-2"-GE HPCI-28 2"-19 HPCI-27 HPCI-78 L L (BOOSTER) PS 23-68B PS 23-68D dPIS 23-76B C122 H C214 C214 NH-36250 HPCI-8 WATER SUPPLY COOLING HPCI-7 M-124 (C,2) C214 OR OR AND PS 23-68A (23-1) P-209 PS 23-68C L L C214 TEST TEST (A,4) COOLING WATER NH-36250 SV 2394A (OPEN) A/S ND DC M-124 (C,3) RETURN 3 TW39-2"-HE 2"-223 HPCI-20 TRIPPED HIGH LEVEL) LS-2-3-672 E&F (TRIP ON REACTOR LS 23-98 SV 2049 (23-54) C28-1"-HE L O C TW38-2"-HE VALVE LEAKAGE RS2-18"-HE A H A H PS 23-97A PS 23-97B HPCI-24 C28-1"-HB SV 2394B M-131 A/S DC ND CRW PCV 3492 YS D13-3/4"-HB 2051 ST 2052 HPCI-25 C (23-40) LT31-3/4"-HE CV 2394B HPCI-80 HE GE L O C HE HB 2"-19 HPCI-12 HS D13-2"-HE 23A-S16 HPCI-26 (OPEN) ND C HPCI-59 C120 C03 TO REACTOR RS2-16"-HE C120 PI 23-112 HPCI-60 VESSEL (MAIN) C19 Y80 CKT. 8 23A-S22 HS 23-110 E/S PT 23-95 PI 23-96 C120 C120 HPCI-58 PI 7252 HPCI-87 M-124 (B,4) NH-36250 TO PT 23-100 (C,2) FROM PS-23-84-A TURBINE TRIP (D,2) NH-36250 M-124 NH-36250 M-124 RV41-2 1/2"-HB ORW 3/4"-130 HPCI-21 RV41-1 1/2"-HE L O C L O C CV 2394A (23-39) RV 2056 D41-1"-HE HPCI-72 HPCI-96 D41-1"-HE HPCI-50 HPCI-49 TW38-2"-HE HS A H D49-3/4"-HE D50-3/4"-HE CONTROL SIGNAL OUTLET GOVERNING 1x3/4 FROM SPEED GOVERNOR D47-3/4-HE HPCI PUMP (23-2) S-201 DRIVE TURBINE D47-3/4"-ED RO 2412 18" ED D48-1"-HE HE PRESSURE NH-36242 (D,6)(D,3) M-116 HPCI-94 VESSEL FROM 3/4" HPCI-86 RO 2411 HE PI 7250 FILTER D45-3/4"-ED HPCI-48 HO 8 VALVE RO 2410 ED HE L O C NH-36249 E 6 GRAPHIC DISPLAY FE 3493 L O C C03 L O C CO3 4 MO-8"-N14D (23-16) M-143 NH-36258 OR HIGH DRYWELL PRESSURE HPCI INITIATED ON LOW LOW REACTOR WATER HIGH FLOW) (CLOSE ON 5 MO-8" PS18-8"-ED BKR 4342 TO MO-2061 & MO-2062 NH-36250 (23-15) 2300A M-124 (A,3) MO 2034 C 23A-S2 HS SLOPE OR (E,3)(E,5) M-116 NH-36242 (OPEN) AND H A C X-11 (D,3) (B,2) NH-36250 M-124 LT30-3/4"-ED FOR STARTUP TURBINE STEAM CONNECTION TEMPORARY HEATING BKR 31205 D.C. HPCI-1 HPCI-2 3/4"-130 3/4"-130 MO 2035 L O C CO3 L O C C03 23A-S3 HS C VALVE LIMIT FROM STOP & STEAM ADMISSION SWITCHES GRAPHIC DISPLAY 6" A H OIL COOLER TIS 7268 A L BEARING OIL PS 7311 A SLOPE (CLOSE) (B,2) A H dPS 7310 OIL TS 23-101 A-D H OR 7317 SCP 7923 SY TS 23-102 A-D H NH-36250 M-124 3 P&ID (STEAM SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY Xcel This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4 3/4 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM RO 2060 TX 2059 3x2 TW39-2"-HE LUBE OIL COOLER E-206 BKR 31202 HPCI-18 2"-223 2 INITIATION OPEN ON HPCI 23-115 (A,4)(C,1) (FROM TE's FOR TURBINE LUBE OIL ALSO SEE DWG's. BLOWER K-200 BKR 31201 GLAND SEAL E-204 CONDENSER GLAND SEAL TX 2057 THRUST BEARING, AND PUMP BEARING (3) TEMPERATURES) BEARING OIL, L.P. BEARING OIL, COOLER OUTLET, CASING (2), H.P. RO 2058 HPCI-64 HPCI-63 HPCI-19 LS 7314 LS 7313 2 PS 23-106 RO 2050 A H C120 D41-1"-HE HPCI-51 RR58-3/4" M-121 NH-36247 (C,2) START ON HPCI INITIATION 23A-S18 HS 1" AND HPCI-57 D45-3/4"-ED PS18-8"-ED HE RO 2408 D44-1"-HE D43-3/4"-HE HO 7 TURBINE TRIP STOP VALVE HPCI-47 RO 2409 L O C ED HE ED TR C21 SLOPE HPCI SYSTEM WATER SIDE REFERENCE DRAWINGS: 1. 3. 2. OG24-3"-HC M-143 NH-36258 (C,4) SLOPE OFF-GAS M-142 DISCHARGE) NH-36159 (STM PKG EXHR (B,6) MO-8"N14D (A,4) A/S CV 2043 NH-36049-14 M-131 L O C HPCI-73 1"-CCD-GB (OPEN) SV 2043 23A-S12 ND HS L O C MO 2036 BKR 31206 (23-14) DC 23A-S1 HS (23-53) ST 2045 HPCI-4 D12-1"-EF 1"-19M3 1"-19M3 HPCI-3 1/2"-19 HPCI-90 LS 23-90 A H PS18-8"-ED 8" SLOPE MONTI CAD DWG ` ' NH-36249 Energy sm 1 SCALE: NONE A M-123 82 REV W L O C HPCI-74 1"-19 D12-1"-EF VALVE TEST LEAKAGE NX-8292-12-1 THRU 7 M-124, NH-36250 NX-8292-15-1 THRU 3 LT32-3/4"-EF LT32-3/4"-EF (23-42) HPCI-6 3/4"-130M3 3/4"-130M3 HPCI-5 HS D12-1"-HS EF SV 2046B A/S FULL OPEN (D,2) HPCI-29 1/2"-19M3 SV 2046A CV 2046A DC NE EF L O C DC HS 23A-S11 NH-36049-14 (A,4) NE L O C A/S M-131 MO-2036 IS CLOSE WHEN CV 2046B B NH-36033 M-102 (TO CONDENSER) MAIN STEAM DRAIN (A,6) D C L O C STEAM LEAKAGE TS 23-104 A-D OR CLOSE ON SI 7317 C03 TS 23-103 H A-D H DETECTION TE 23-105 C03 23-111 PI A-D M-128 NH-36254 (D,1) TO TR-4926 CLEAN-UP SYSTEM REACTOR WATER 2 PS18-8"-ED PT 23-89 C120 PI 23-88 C120 JJP 8-27-10 BAL 8-30-10 KMF 9-2-10 16626 11951 924 RES 3-10-06 BAL 3-10-06 JJP 3-7-06 REVISIONS JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 DWN: 78 DWN: CHK: APPR: APPR: CHK: EC 1 77 APPR: CHK: DWN: 076 EC A/R EC A/R E 01121715 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 19540 APPR: PEB 6-6-12 CHK: DWN: BAL 6-6-12 JJP 6-5-12 79 EC 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 80 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 81 EC PAGE 3 ADDED TO.PDF DOC. 23705 APPR: TKN 5-14-15 CHK: DWN: BAL 5-8-15 JJP 5-8-15 82 EC SEE NOTE 1 82 82 NOTES: 1. HPCI-15 IS AN IN-LINE STYLE CHECK VALVE WITH A SOFT SEAT PER EC23705.

MO-14"-N29AB (23-57) 23-81 TW1-14"-HE X-9A REACTOR CLEAN-UP SUPPRESSION POOL A X-204A-D X-225 6 X-320A-D RINGHEADER X-206B NH-36250 REACTOR VESSEL B C M-120 M-122 (C,4) (C,5) NH-36248 NH-36246 D E TW9-2 1/2"-HE TW24-12"-HE FW2B-14"-ED X-210A TW8-8"-HE X-206A (D,7) M-128 NH-36254 (2-1) R-200 6 HPCI-56 3/4"-130 HPCI-54 HS M-105 NH-36036(A,5) HPCI-100 3/4"-130 L.O. LT14-3/4"-HE MO 2061 23A-S14 LS 23-91B LS 23-91A 1/8 ORIFICE OR AND MO-2062 OPEN MO-2061 MO-14"-N29AB 5 A H C BKR. 31207 C O L FUEL POOL COOLING AND CLEAN-UP SYSTEM (CLOSE) MO-12"-NSp14DU LT13-3/4"-ED LEAKAGE VENT POINT M-122 NH-36248 (B,4) TW3-12"-ED REW6-3"-ED M-115 FEEDWATER (A,5) NH-36241 TW4-4"-HE 3/4"-130 HPCI-40 HPCI-41 3/4"-130 MO 2068 31211 BKR. O C L HPCI-76 (23-19) D.C. HPCI-77 SC16-8"-ED HPCI-55 3/4"-130 HPCI-95 23A-S6 D201-3/4"-ED TW50-3/4 VALVE TEST TW50-1/2 HPCI-106 HPCI-107 23-117 PI HPCI-108 HPCI ISOLATION HPCI INITIATION HPCI-98 HPCI-99 NOTE 1 HIGH HPCI-104 HB ED HPCI-105 HPCI-103 1/2" HPCI-102 3/4" HPCI-109 HPCI-101 AO 23-18 HS FPW13-6"-HB TEST LINE M-126 RCIC NH-36252 (E,5) M-108 (B,2) NH-36039 5 FW8-4"-HB HPCI-43 8"-237 HB ED SC16-8"-HB MO-8"-29 HPCI-81 14"-N237AB HPCI-31 VALVE TEST LEAKAGE D.C. (23-58) (CLOSE) HPCI-30 3/4"-130 4 (CLOSE) BKR. 31208 L C O MO 2062 D.C. 23A-S13 HS C03 C120 MLS 23A-S8 AI-248 HS 3503 L 23-119 CONTROL LOGIC TO TURBINE RO 2066 C03 FY HPCI-53 (23-20) MO 2067 23A-S7 31210 BKR. HS D.C. HPCI-52 O C L C Y80 CKT 3 23-108 FIC 4"-N237AB HPCI-42 FT 23-82 C03 INITIATION) (CLOSE ON HPCI FE 23-80 C120 E/P 3503 NH-36049-14 (A,6) A/S M-131 CV 3503 MO 2071 BKR. 31212 L C O O SC16-10"-HB T-71 TI 23-87 Y80, CKT. 8 M-123 NH-36249 23-108 FI F HPC100 RO 2908 FROM (D,4) 23A-S10 HS (OPEN) A L FS 23-78 C TW4-4"-ED ED HE PI SV 2065 AI-247 C120 L C O D.C. N.E. (A,3) (CV-3503 AND MO-2071 AND MO-2062 (A,3) FROM POS ON MO-2061 WHEN EITHER MO-2061 OR MO-2062 ARE FULLY OPEN) A/S M-131 NH-36049-14 RECEIVE A CLOSE SIGNAL, ACCUMULATOR 4 AI-611 3/4"-163 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM HPCI SYSTEM STEAM SIDE REFERENCE DRAWINGS: (MAIN) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT (MO-2063 RECEIVES A CLOSE SIGNAL, WHEN FROM POS ON MO-2061 AND MO-2062 (A,3) BOTH MO-2061 AND MO-2062 ARE FULLY OPEN) V93-3/4"-ED OPEN MO-2061 AND MO-2062 (A,3) NOTES:

1. SOLENOID VALVE SV-2069, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-23-18 HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396.

FROM dPIS 23-76 (VALVE CLOSURE ON HPCI STEAM LINE BREAK) M-123 NH-36249 (D,5) 1"-19 HPCI-46 M-108 NH-36039 (C,4)(C,3) L 3/4"-130 HPCI-61 2417 (OPEN ON CNDS STG TANK LOW LEVEL) FROM LS-23-74 AND LS-23-75 (E,2) TO MO-2063 (E,3), MO-2071 (D,4) AND CV-3503 (D,4) 3 3/4"-130 COOLING WATER ORW HPCI-44 HPCI-32 14"-N237AB 23-83 23-109 C03 PT PI TW4-4"-ED (23-41) CV 2065 2" C120 TW1-14"-HE HE HB 3/4"-130 TW39-2"-HE VENT DRAIN (D,4) D139-1"-HC A THRU D FROM PS 23-68 NH-36249 M-123 (A,3) NH-36249 RETURN V94-3/4"-HC M-123 VENT 1"-19 HPCI-35 CRW 3/4"-130 HPCI-79 3/4"-130 HPCI-88 3/4"-130 HPCI-89 HPCI-62 2416 MO-14"-N29AB 31209 BKR. NH-36039 C16-14"-HE L CONDENSATE STORAGE TANK M-108 11 T-1A 3 (A,4) HPCI-33 14"-N29AB (23-17) D.C. MO 2063 O C L.O. PX LS 23-74 2 12 CONDENSATE STORAGE TANK T-1B TW3-12"-ED ORW ORW (OPEN ON HPCI INITIATION) 23-84B 23-84A VENT 23-99 COOLING M-123 FROM TS 23-101 THRU 23-104 D140-1"-HC NH-36249 NH-36249 M-123 WATER CRW (C,4) 10" PX TW1-14"-HE C120 C120 C120 TW38-2"-GE (E,3) 23-100 P-209 (23-1) 3/4"-130 HPCI PUMP V92-3/4"-HC HPCI-34 PS PS PI L A A H C RV 2064 23A-S4 HS 1" A 23-75 LS OR L M-126 RV66-1"-HB (A,3) NH-36252 C120 L PT OR FROM E/S 23-110 M-123 (D,4) NH-36249 CRW HPCI-39 HPCI-38 D141-1"-ED 1"-19 1"-19 23-116 TURBINE TRIP NH-36249 (D,4) M-123 HPCI C 1"-19 HPCI-45 D142-1"-ED ORW NH-36252 C03 PI 2 M-126 (A,3) NH-36250 MONTI CAD DWG ` ' M-124 REV SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A P&ID (WATER SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM M-123, NH-36249 729E816 729E232 NORTHERN STATES POWER COMPANY Energy Xcel sm 1 SCALE: NONE COLOR LEGEND QUALITY GROUP D STEAM SUPPLY DRIVE TURBINE HPCI PUMP 8" 3/4"-130 3/4"-130 VENT HPCI-36 HPCI-37 (C,3) EXHAUST STEAM S-201 M-123 NH-36249 APPR: 77 CHK: APPR: DWN: DWN: 78 DWN: CHK: 76 APPR: APPR: CHK: DWN: 79 APPR: CHK: DWN: 80 APPR: CHK: DWN: 81 CHK: 1 JJP 8-20-10 STL 2-28-12 PEB 2-28-12 JJP 2-28-12 KMF 8-27-10 14179 BAL 4-5-11 JJP 4-5-11 KMF 4-7-11 16751 21396 WMS 4-30-13 PEB 4-29-13 JJP 4-29-13 BAL 8-27-10 EC EC EC DJP 4-14-07 11951 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 16624 JJP 4-14-07 MGH 4-14-07 REVISIONS A/R EC EC EC 811 83 Q A B C D E 20039 APPR: DJ 5-21-13 CHK: DWN: PEB 5-21-13 JJP 5-21-13 82 EC TDR N A D (OPEN) 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 83 EC PAGE 3 ADDED TO.PDF DOC.

E-205 MISC TURBINE INSTRUMENTATION C04 TURBINE TRIPPED LUBE OIL COOLER D15-3"-HE 3"-N29 RCIC-12 4263 RO TO PT 13-60 TO PT 13-65 3" STEAM CONNECTION TEMPORARY HEATING OG21-2"-HE NH-36252 NH-36252 FW9-2"-ED (13-13) HB TEST LEAK VALVE OG21-2"-HE ORW 2849 SV A 6 SUPPRESSION POOL X-219 RCIC-55 1 1/2"-130 V51A-1 1/2"-HE B (D,7) RCIC-61 1 1/2"-130 RCIC-57 RCIC-59 LT21B-3/4"-HB LT21C-3/4"-HB LT21A-3/4"-HB X-212 X-223 CRW RCIC-70 RCIC-60 3/4"-130 3/4"-130 RCIC-56 3/4"-130 RCIC-58 NH-36049-14 A/S M-131 DC ND RS3-8"-HE RCIC-72 5 TEST LEAK VALVE RCIC-19 3/4"-130 RCIC-54 LT21-3/4"-HE 4 C25-2"-HE ED HE H 4283 SV (D,7) L O C C03 RCIC-16 2"-19 RCIC-18 RCIC-66 RCIC-17 2"-223 RCIC-15 3/4"-130 L O C C04 C25-1"-HE HE L O C C03 2849 CV (13-12) LT22-3/4"-HE 2848 CV 2"-223 L O C C04 RCIC-63 13A-S12 NH-36049-14 A/S M-131 MO-2078 BEGINS TO OPEN (D,2) 2848 SV DC ND RCIC-11-2 CLOSE WHEN 3/4"-19 RCIC-11-1 3/4"-130 HS C04 VAC BRKR RCIC-62 A C04 13-72A PS C128 MO-2"-110 2095 PX MO-2078 (D,2) RCIC-96 RCIC-97 2094 RO 2097 RV VESSEL LOW LEVEL BKR 31107 (13-132) D.C. MO 2096 ORW VESSEL HIGH LEVEL CLOSE ON REACTOR OPEN ON REACTOR 13A-S8 HS 6008 PI C RCIC-94 RCIC-95 TURBINE TRIP C128 13-72B PS RCIC-26 2092 PCV 3/4"-19 RCIC-23 RCIC-24 3/4"-19 D15-1"-HE LT23-3/4"-HE TAPS ELBOW C D RCIC-73 RCIC-71 RCIC-10 REACTOR VESSEL (2-1) R-200 PS3 NH-36251 E 6 RCIC CONDENSATE M-126 RETURN C215 C215 NH-36252 V51-1"-HE 13-78 PS V51-8"-HE 2089 PSD 8"-N237 RCIC-9 1/4" 2090 PSD MAIN STEAM NH-36241 (D,2) M-115 C128 A C04 H 2"-223 C 2091 RO RCIC-14 (C,4) 1"-972 1"-972 MO-3"-N14 XFV-86 XFV-87 1300B X-49A 3/4"-19M3 1300A X-49B 13-83 dPIS C122 H OR 13-84 dPIS C122 H HIGH FLOW) (CLOSE ON C21 L L FW5-4"-ED FW5-4"-ED NH-36252 RS3-8"-HE M-126 WATER SUPPLY RCIC COOLING STORAGE TANK FROM CONDENSATE C17-6"-HE 13-71 PI PI 13-95 NH-36252 (B,3) C04 (B,2) 13-70 PT C128 TO REACTOR M-126 13-92 E/S C128 (C,2) M-126 (A,3) RCIC-2 3/4"-130 RCIC-1 3/4"-130 13-87C PS 13-87A PS AND 13-87B PS 13-87D PS L OR C215 L C215 OR LEAK TEST VALVE OIL PRESSURE M-126 LT19-3/4"-ED BEARING TURBINE 7318 PS 4 LS C04 L A A (OPEN ON PS17-3"-ED BKR 3340 (13-15) 2075 MO L C C04 O 13A-S1 C04 HS C GRAPHIC DISPLAY L C C03 O H C04 A C LOW LEVEL) REACTOR VESSEL NH-36242 M-116 (C,6)&(C,2) 5 X-10 (13-16) MO-3"-N14 (CLOSE) C03 2076 MO BKR 31104 D.C. C04 L C O C GRAPHIC DISPLAY L C O 13A-S3 HS C04 4 1"-19M3 3/4"-130M3 RCIC SYSTEM PROCESS FLOW DIAGRAM RCIC SYSTEM FUNCTIONAL CONTROL DIAGRAM RCIC SYSTEM WATER SIDE REFERENCE DRAWINGS: LT20-3/4"-EF BKR 31106 (13-32) 2082A CV 2082A SV 3/4"-130M3 RCIC-6 RCIC-5 D14-1"-EF 2098 TX 1 1/4" 3 RCIC-99 2099 PX CONDENSATE PUMP C04 13A-S14 HS P-210 2 C04 BKR 31101 DC 13A-S15 OG22-1 1/2"-HE 1 1/4" P-211 VACUUM PUMP C24-3"-HE BKR 31102 DC OG20-3"-HE HS BAROMETRIC CONDENSER D49-1"-HE 1"-19 RCIC-27 RCIC-98 RV61-1"-HE 6082 YS D15-3/4"-HE C04 C04 FW9-2"-HE A H C 7323 LS H A 7322 PS E-203 RCIC-21 RCIC-22 YS 4262 RCIC-20 1"-19 D40-1"-HE 2086 RO HE ED D37-1"-HE M-102 1"-19 RCIC-65 TANK VACUUM NH-36033 (A,6) TI PCV 20 TEST PI HS EF VALVE LEAK (D,7) NH-36049-14 M-131 A/S STEAM DRAIN CONDENSER) (TO MAIN D14-1 1/2"-HS L O C C03 D14-1"-HS 2082B CV (13-35) L O C C04 (13-34) A/S M-131 NH-36049-14 (D,7) 13A-S11 MO-2078 BEGINS 2082B SV DC NE C04 HS TO OPEN (D,2) CLOSE WHEN DC NE 1 M-126, NH-36252 729E242 729E951 A L O C C04 L O C C03 D14-1"-EF B PS17-3"-ED NH-36049-14 13-68 PT 2079 CV TURBINE TRIP CLOSE ON 2080 MO D38-3/4"-ED GOVERNING D38-1"-HE RCIC-46 (13-2) D39-1"-HE 8" RCIC-45 3/4" RCIC PUMP S-200 DRIVE TURBINE D38-3/4"-ED RO 2085 VALVE OIL PRESSURE FROM GOVERNOR CONTROL SIGNAL 7319 LP BEARING OIL TEMP 7320 HP BEARING OIL TEMP TIS A H C04 TIS H C04 A C04 C296 TRIP C04 8 HO C C L O L O C O L MECHANICAL TURBINE BEARING 7403 PI OVERSPEED 5 LS C04 LOCAL C L O C C296 O L MATCH VENDOR'S VALVE 2"-900# R.F. FLANGE TO MO-3"-N123 2079 SV ND (OPEN) C04 13A-S13 HS (D,6) A/S M-131 (13-131) D.C. BKR 31106 (B,5)(C,2) BKR 31103 2" D.C. THROTTLE VALVE TRIP 2078 MO 13A-S23 HS C04 VESSEL HIGH LEVEL 13A-S2 C04 HS PS17-3"-ED VESSEL LOW LEVEL OPEN ON REACTOR CLOSE ON REACTOR C04 13-94 PI FOR STARTUP SLOPE (CLOSE) A-D H 13-79 TS H 13-80 TS A-D OR AND 3 MONITORING STEAM LINE AREA 13-82 H A-D 13-81 TS TS OR H A-D 13-77 TE A-D CLEAN-UP SYSTEM REACTOR WATER TO TR-4926 NH-36254 (C,2) M-128 2 C A 3" 13-74 LS 1/2"-19M3 RCIC-28 RCIC-47 RCIC-64 1"-19M3 RCIC-3 2081 ST 1"-CCD-GB RCIC-4 3/4" 3/4" D14-1"-ED D14-1"-EF RCIC-100 1/2"-19 REGULATOR FISCHR TO TURBINE PS22-3/4"-ED C04 SLOPE C128 13-69 PI C128 3/4"-130 RCIC-29 H C D REVISIONS 1 E TURBINE SPEED SE 7925 7925 SCP 7321 SY C04 9957 A/R APPR: MH 2-26-07 CHK: DWN: BAL 2-6-07 JJP 2-5-07 76 EC 01054616 M-126 (D,4) NH-36252 TO CV-2104 TO CV-2104 NH-36252 (D,4) M-126 834 APPR: RES 8-14-07 CHK: DWN: BAL 8-14-07 JJP 8-14-07 77 EC C04 7321 SI CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 78 JJP 3-5-08 11951 01121715 A/R EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 79 EC NH-36251 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-125 Y Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RCIC (STEAM SIDE) REV 80 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 80 EC PAGE 3 ADDED TO.PDF DOC.

(13-39) D.C. MO 2101 31109 BKR 6"-N237AB FEEDWATER NH-36241 M-115 FW2A-14"-ED A B 6 TW34-10"-HE SUPPRESSION POOL TW13-2 1/2"-HE X-227 NH-36248 NH-36247 (C,4) M-122 (C,2) M-121 X-204A-D X-320A-D RINGHEADER TW12-8"-HE X-210B X-9B NH-36252 C D E REACTOR VESSEL (2-1) R-200 REACTOR CLEAN-UP M-128 NH-36254 (D,7) REW6-3"-DB 6 RCIC-49 D.C. C04 13A-S10 HS C04 13-91 FI RCI100 5 D200-"-ED RCIC-40 3/4"-110 TW5-6"-HE FW6-2"-HE CRW M-122 NH-36248 (B,3) RCIC-50 3/4"-130 3/4"-130 (A,2) ED HB (D,4) MO-6"-N29AB (13-41) 31108 BKR MO 2100 LEAKAGE RCIC-37 2"-223 TEST VALVE F 4 RCIC-31 FROM COND. STORAGE TANK) 6"-N237AB CONTROL LOGIC TURBINE IN PUMP SUCT. LINE (INTERLOCK WITH MOV TEST LEAKAGE VALVE 3/4"-130 RCIC-30 LT24-"-HE (M0-2102) (D,3) C04 13-102 FY C04 13-91 FIC TW5-6"-HE D.C. 2110 MO 3502 MO L O C C04 SC16-10"-HB (13-20) 31111 C04 13A-S6 HS BKR ACCUMULATOR AI-240 3/4"-259 LT25-"-ED RCIC-39 3/4"-110 VESSEL LOW LEVEL) (OPEN ON REACTOR FW5-4"-ED 3/4"-130 RCIC-48 13-22 AO C04 13A-S5 HS (13-21) MO-4"-N14D 31112 BKR MO 2107 MO 2106 T-73 RETURN LINE NH-36250 (E,5) M-124 HPCI 5 FW8-4"-HB FW8 FW5 HB ED 31105 BKR RCIC-38 4"-237 31114 BKR RCIC-69 RCIC-68 0-60 PSIG FW5-4"-ED AIR REGULATOR AI-222 C128 13-58 FT 13-56 FE C C-128 FS 13-57 A L C04 NH-36049-14 AI-612 (C,6) M-131 A/S C04 13A-S21 HS MO-6"-N29AB TW5 C17 MO-2078 CLOSE OR MO-2080 OPENS CV-2104 ON REACTOR VESSEL CV-2104 CLOSE SIGNAL FROM LOW LEVEL 2104 SV NE D.C. CLOSE OR MO-2101 (D,3) OPEN FULL LOW-LOW LEVEL OR MO-2100 (A,5) CLOSE ON REACTOR VESSEL C04 3502 HS C04 13A-S7 HS 4 RCIC SYSTEM PROCESS FLOW DIAGRAM RCIC SYSTEM FUNCTIONAL CONTROL DIAGRAM RCIC SYSTEM STEAM SIDE REFERENCE DRAWINGS: PUMP DRIVE TURBINE M-125 NH-36251 RCIC ED RCIC-36 1"-19 RCIC-43 3 FROM E/S 13-92 FROM LS-23-74 OR LS-23-75 (OPEN ON CNDS STG TANK LOW LEVEL) FW6-2"-HE NH-36251 RCIC COOLING NH-36251 WATER (C,4) M-125 13-59 13-60 C04 13-93 PI C-128 FW9-2"-ED C-128 PT PI 1"-19 RCIC-42 NH-36250 (E,2) M-124 (D,4) M-125 HE 2909 RO 2105 RO D156-1"-HE D156-1"-ED 1"-19 RCIC-35 FW5-4"-ED CRW D157-1"-ED 2 FW6-2"-ED L O C C04 (13-27) 2104 CV EXHAUST STEAM (A,5) ARE FULLY OPEN) (CLOSE WHEN MO-2100 & M0-2101 RCIC-32 COOLING TO PUMP BEARINGS CONDENSATE RETURN NH-36251 (D,5) M-125 13-86 TI C04 13A-S9 (D,4) HS RCIC PUMP (13-1) P-207 2520 PX 2519 PX RCIC-93 RCIC-92 RCIC-91 RCIC-90 3/4"-130 RCIC-44 RV73-1"-HE C25-2"-HE RCIC 2103 RV ORW C-128 6"-N29AB 13-66 PI 3 NH-36039 (A,4) M-108 (13-18) C17-6"-HE C17-6"-HE RCIC-41 HE HB D.C. MO-6"-N29AB MO 2102 31110 BKR CONDENSATE STORAGE TANKS VESSEL LOW LEVEL) (OPEN ON REACTOR C04 13A-S4 HS FROM E/S 13-92 NH-36251 3/4"-130 RCIC-33 RCIC-34 3/4"-130 V100-"-ED V99-"-ED ORW VENT A L A H 13-67A 13-67B PS C-128 PS C-128 C-128 13-65 PT C RCIC TURBINE TRIP C (D,4) C04 13-96 PI M-125 2 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 1 M-125, NH-36251 729E951 729E242 QUALITY GROUP D COLOR LEGEND A B S-200 SUPPLY STEAM DWN: APPR: CHK: APPR: DWN: CHK: 77 1 76 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 11951 01121715 A/R EC REVISIONS JJP 2-5-07 01054616 MH 2-26-07 BAL 2-6-07 EC 9957 A/R C D E NH-36252 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-126 V Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RCIC (WATER SIDE) REV 80 21396 APPR: CHK: DWN: BAT/JJP 4-1-13 78 EC AWL 4-1-13 SCP 4-1-13 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC. 22787 APPR: WK 5-6-15 CHK: DWN: BAL 5-6-15 JJP 5-6-15 80 EC 80 80

(TEST) P-203A (11-2A) 1/2"-176Y XP-19-1 XP-19-2 1/2"-176Y P-203B (11-2B) (TEST) 42-3301/HS 42-4201/HS A B 6 NH-36241 (A,3) M-115 REACTOR VESSEL R-200 (2-1) NH-36253 2396 POS L O C C05 C D E XP-10 3/4"-130M3 XP-28 1 1/2"-19M3 XP-8 NUCLEAR BOILER DC ECB XP-9 3/4"-130M3 XP-26 XP-27 X-42 CH2-1 1/2"-DC XP-7 XP-6 CH19-3/4"-DC VALVE LEAKAGE TEST VALVE LEAKAGE TEST CH2-1 1/2"-DC NUCLEAR BOILER (C,5) M-116-1 NH-36242-1 XP-29 HIGH POINT VENT XP-30 6 XP-5 1 1/2"-19M3 1 1/2"-951M3 5 D61-1"-HC 4 CH2-1 1/2"-DC 1 1/2" (11-7B) ACCUMULATOR T-204B XP-4-2 1 1/2"-19M3 XP-24-2 1 1/2"-19M3 XP-3-2 D61-1"-HC 1/2" 11-39B RV DC HK XP-12-2 1/2"-65 XP-13 1 1/2"-130M3 CH3-1 1/2"-DC CH18-3/4"-DC CH2-1 1/2"-DC 1"-19M3 CH2-1 1/2"-DC XP-11-14A CH2-1 1/2"-DC 11-67A CH2-1 1/2"-DC 11-53 PI 11-67B L C05 CONTINUITY) CH2-1 1/2"-DC XP-11-14B (LOSS OF CONTINUITY) CH2-1 1/2"-DC L C05 C (LOSS OF CONTINUITY) RELAY CONT. C05 A C05 RELAY CONT. C05 5 2395 CV CH3-1 1/2"-DC XP-11-1 HC DC XP-11-2 (LOSS OF 1"-19M3 CH2 CH3 XP-23 3/4"-130M3 3/4"-130 XP-22 DB DC VENT ACCUMULATOR T-204A CLEANUP SYSTEM ISOLATION VALVES 1 1/2" 1 1/2"-19M3 XP-24-1 (11-7A) XP-4-1 1 1/2"-19M3 PI 11-65 C05 11-52 PT E/S 11-69 (E,3) FROM CH2-1 1/2"-DC XP-3-1 1 1/2"-951M3 D63-1"-HC HS HS 1/2" 11-39A RV DC HK (D,4)(D,7) NH-36254 M-128 1/2"-65 XP-12-1 D63-1"-HC CH3-1 1/2"-HK 1 1/2"-19M3 DEMINERALIZED L ON C05 XP-14 1 1/2"-19M3 WATER (D,1) HS 11A-S1 C05 L ON C05 1"-HJ 1"-276Y DM-53 CH3-1 1/2"-DC DC HK XP-21 4 HC HK DM-54 1"-176Y XP-15 1"-76Y DW-1"-HJ T-201 (11-3) TANK TEST CH3-1 1/2"-HK DC HK V REFERENCE DRAWINGS: STANDBY LIQUID CONTROL F.C.D. STANDBY LIQUID CONTROL PROCESS FLOW DIAGRAM THE TANK DIP TUBE SHALL BE INSTALLED TO READ THE ELEVATION OF THE TOP OF THE TANK OUTLET NOZZLE. THE SUCTION PIPING, PUMPS AND A SHORT SECTION OF DISCHARGE PIPING ARE INSULATED AND ELECTRICALLY HEAT TRACED. THE TEMPERATURE IS REGULATED BY CONTROLLERS TC-4437A THRU D. TI-4603 LOCALLY MOUNTED ON C69, AMBIENT AIR TEMPERATURE. STANDBY LIQUID CONTROL PIPING CH2-1 1/2"-DC FROM PUMPS TO DRYWELL PENETRATION X-42 AND TANKS (G.E. 153F757) 5828-APED-11-9) (G.E. 153F736) 5828-APED-11-8) (C,3) SA-3/4"-JB STANDBY LIQUID CONTROL TANK T-200 (11-1) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT RV29-2"-HK 2 1/2"-29M3 D65A-3/4"-HC DRAIN TO REMOVABLE CONTAINER 3/4" 3 D65B-3/4"-HC CH1-2 1/2"-HS D63-1"-HC RV29-2"-HK XP-2-2 CONTROL PUMP STANDBY LIQUID 12 DRIP PAN 1/2" D67-1"-HC 2 HOSE CONN. XP-25 NOTES: 2. 3. 1. 3. 11-45 LT SLC100 L 2 1/2"-29M3 DM-55 1"-276Y 7994 PI DEMIN. CH1-2 1/2"-HS STANDBY LIQUID CONTROL PUMP 11 DRIP PAN 1/2" (D,1) WATER 4437A TC RV29-2"-HK 2 1/2"-29M3 XP-2-1 DW8-1"-HS DM-56 1"-176Y HJ HS 11-59 TS C69 4437B TC TE 1"-76Y XP-20 HS HC D68-3"-HC XP-17 2 1/2"-29M3 RV29-2"-HK DW6-2 1/2"-HS 3 A/S C69 2 1/2"-237M3 XP-16 CH3-1 1/2"-HK DW6-2 1/2"-HS NH-36049-13 (D,3) M-131 INSTRUMENT AIR TO PT 11-52 (D,4) 11-55 FIC RV29-2"-HK 4599 PI 4437D TC LI 11-66 C05 C69 E/S 11-69 C19 C69 4267 LS C05 XP-1 4437C TC CH1-2 1/2"-HS 1. 2. 3/4"-176Y AS-22 HK 1"-176Y DM-52 JB 3/4"-263 AS-21 1"-276Y DM-51 TO A C05 GROUND HEATER 1 1/2"-HK 1 1/2"-76Y XP-18 HK HC HEATER SPARGER 11-47 LS (HEATER SHUT-OFF) A LOW LOW C05 TANK ON L LOCATED 7449 LT C69 7449 LI L ON OFF VENT C69 DW7-1"-HK HK HJ OR TE 11-50 TS 11-48 TIC C69 A H L C05 E/S 7449 C19 11-70 LS C19 2 11A-S2 HS C69 C NH-36253 MONTI CAD DWG ` ' M-127 REV 1 NF-156965 P&ID STANDBY LIQUID CONTROL SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm SCALE: NONE 80 P A B NH-36039 AS-19 NX-7879-4 NX-7879-3-1 (E,4) TO 1044 PCV (E,2) NH-36049-4 M-131 (C,7) FROM WATER DEMINERALIZED M-108 C A H L C05 4603 TI DWN: APPR: APPR: CHK: DWN: CHK: 77 1 76 16884 IL 10-19-10 BAL 10-13-10 JJP 10-12-10 EC REVISIONS JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 EC A/R C D E 20168 APPR: JWP 9-13-12 CHK: DWN: BAL 9-12-12 JJP 9-11-12 78 EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC. 25660 APPR: JCG 5-11-15 CHK: DWN: BAL 5-11-15 JJP 5-11-15 80 EC SAFETY-RELATED FLEXPRO STAINLESS STEEL FLEXICARB STYLE PN GASKET APPROVED 4. FOR USE RV-11-39 A & B INLET PER EC25660. 80 80 80 NOTE 4 NOTE 4

3025 SX NH-36243 M-117 (C,6) 12-96 PI RC-30 D162-1"-DBD RC-29 RV-67-1"-HBD RWC103 T V-109-1"-DBD 12-158 TI HBD DBD TRIP CLEANUP RECIRC. PUMPS P-204 A & B FROM MMS MONITOR NH-252182 (C,3) VENT & DRAIN DETAILS DETAIL 12-110 E/P RWC102 T C04 NH-36252 STANDBY LIQUID CONTROL ACTUATION LOW-LOW REACTOR WATER LEVEL HIGH DRYWELL PRESSURE TRIP CLEANUP RECIRC. PUMPS P-204A & P-204B REW3-4"-ED LT17-"-ED TW3-12"-ED HIGH RWCU ROOM TEMP. (C,1) VALVE CLOSURE SIGNAL HIGH RWCU FLOW (C,6) FW2B-14"-ED FROM RCIC M-126 RC-6-2 D NH-36045 TANK T-24 SURGE TANK TO WASTE NH-36045 COLLECTOR TO WASTE HOTWELL NH-36047-1 RECIRC. LOOP "B" FROM REACTOR FROM REACTOR VESSEL DRAIN A B C VALVE RC-87 ED RC-83 2405 MO LEAKAGE 2404 MO ED 16A-S15 2397 MO C04 HS RWN36-3"-HC M-139 (E,6) (E,6) M-139 T-23 RWN36-3"-HC D171-1"-HC D172-1"-HC D169-3/4"-ED D170-3/4"-ED D175-1"-DB 8 NH-36256 D159-1"-ED D160-1"-DB D158-1"-ED D161-1"-DBD D163-1"-DBD D162-1"-DBD DRAINS 1" M-135 (B,3) TO CST B-3204 (12-57) HC REW7-3"-HC REW31-2"-ED RC-104 RC-1 M-117 NH-36243 M-141 (C,5) TO HB (C,5) HC TO REACTOR NH-36241 NH-36243 (C,5) M-117 (B,4) M-115 3/4" ECD MO-3"-N14 2406 RV 3" B-3203 (12-56) HC TEST REW3-4"-EBD EBD ED EBD V130-1/2" (SS TUBING) V131-1/2" (SS TUBING) V118-1"-DB V114-3/4"-ED V101-1"-DB V102-1"-DB V103-1"-DB V109-1"-DBD V110-3/4"-DBD V111-1"-DB V112-3/4"-DB V113-3/4"-DB V117-3/4"-DB 12-108 PS D D C MO-3"-N14 12A-S3 DETAILS D C D B B B C220 HS F G F F B B H F H F 12-143 VENTS C04 FC H F F F C220 HIGH HIGH TEMPERATURE TO VALVE CLOSURE SIGNAL (TIS 12-157)(B,2) DEMINERALIZER DISPLAY GRAPHIC C04 12A-S2 RWN36-3"-ED HS C04 RC-105 RC-106 MO-4"-N14D (12-15) B-3328 C O C ED L C04 C03 O C L X-9A LEAKAGE 2403 CV (12-55) RC-36 2" VALVE TEST ED HB X-14 RC-35 OR NH-36254 NH-36241 TO REACTOR M-115 (B,3) 8 X-9B NH-36241 FEEDWATER M-115 (A,2) FROM SYSTEM 1" DB RC-7-2 3" DB (B,6) RC-39 12-68 RV 12-109 TE MO-2397 (D,7) MO-2398 (D,7) MO-2399 (D,4) CLOSE VALVES RC-11 RC-12 DBD 1"-130 3/4"-130 1"-130 3/4"-130 VENTS DRAINS 1"-19 1"-19 MO-3"-N123 C04 2402 RO DBD 1"-19 2403 SV 3/4"-130 1"-130M3 3/4"-130M3 1"-19 1"-19M3 1"-130 C DC DB 7 HB E HBD B DBD DB HB OR OR F HB C DB A C04 H L HB FROM FEEDWATER 3/4"-19M3 3/4"-223 12-114 PI 12-107 PS MO-4"-N14D NH-36253 (D,4) NH-36242 NH-36258 12-92 TE C220 FROM CAV NX-32779-7 SYSTEM 12-155 TI (D,14) L DISPLAY GRAPHIC M-127 M-116 M-143 C03 O C L C52 RC-103 1"-19 RC-86 RC-85 HWC-5 HWC-6 CO ED REW3-4"-DBD 2398 MO C04 O (12-18) D-31309 C C L SYSTEM NH-36241 (A,6) M-115 (C,6) C04 ED D.C. 16A-S16 HS 2401 MO FS TRIP CLEANUP RECIRC. PUMPS P-204A & P-204B 12-106 3/4"-19 3/4"-19 1"-19 1"-19 OR OR G HB ED HB D ED 12A-S1 HS OR OR SS TUBING DCD H 6 REW7-3"-ED 12-115 FI V111-1"-DB 6016 FE 3/4"-130 RC-78 REW30-3/4"-ED RC-94-2 TUBING (12-53) B-3201 6016A C304A 6016A 6016A C304A FIS FT FS C52 6016C C304C 6016C 6016C C304C FIS FT FS 3/4"-130 RC-79 ED RC-94-1 ED DBD DBD DB HB ED C04 12-105 FT 12-140 C219 C19 6016B C304B 6016B 6016B C304B FIS FT FS CV-2790 CV-2791 FI 6016D C304D 6016D 6016D C304D FIS FT FS ORW FROM MMS MONITOR NH-252182 (C,6) DCD L H DB CLEANUP FILTER DEMINERALIZER SYSTEM NH-36255 (B,3) M-129 (E,6) 1" HBD ORW HEAT EXCHANGER REGENERATIVE 3 SHELLS CLEANUP NX-32779-7 TO CAVS (I,6) SYSTEM RWC111 DO RWC112 DO REW4B-3"-EF ED EF RC-75 RC-8 3"-N14 1" DBD 12-104 FE RC-101 V114-"-ED M-117 M-117 REW3-4"-DBD (E,6) (E,6) 1" DBD RC-102 ORW REW3-4"-DBD 1" DBD RV-68-HBD RC-74 RC-20 DBD DBD ED RC-19 DB EF HBD CRW REW6-3"-DBD " DBD C04 C19 C217 B-3235 MO-3"-N123 SEE NOTE 2 3" ED 5 4141 DOIT C217 12-130 ES REW4A-3"-EF NH-36908 M-185 (D,7) 4141 DO REW5-4"-DBD DBD ED 2400 MO 12A-S4 HS D161-1"-DBD EF 12-113 PI REW4-4"-EF C219 CRW RC-32 13 RC-31 E-201 12-2 12 11 12-67 RV 1" DBD DBD ED DBD REW4-4"-DBD CRW DBD EF DBD 1" DBD FROM CRD NH-36244 RC-6-1 RC-7-1 3"-NW14 FROM HPCI NH-36250 7 3" DB DB ED 1" DB M-124 3" DB DB (D,1) M-118 DC LT18-"-DC DC RC-33 3/4"-130M3 6 DB HB V110-"-DBD L O C C03 2399 MO 1" DBD 1" HBD LEAKAGE REW6-3"-DC 3/4"-130 RC-34 VALVE TEST RC-14 RC-15 DC DBD B-4343 CS RC-40 MO-3"-NW123M3 (12-68) 16A-S17 C04 5 HS This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT SYMBOL MEANS SUPPLIED BY HEAT EXCHANGER VENDOR(S). CHEMICAL CLEANING CONNECTION FOR DECONTAMINATION. REACTOR WATER CLEANUP FUNCTIONAL CONTROL DIAGRAM P&ID REACTOR WATER CLEANUP FILTER/DEMINERALIZER SYSTEM MO-2397 AND MO-2398 HAVE A 900# PRESSURE RATING. REACTOR WATER CLEANUP ELEMENTARY DIAGRAM REACTOR WATER CLEANUP PROCESS FLOW DIAGRAM RC-35 AND RC-36 HAVE A 1690# PRESSURE RATING. CLEANUP SYSTEM AREA STEAM LEAK DETECTION TYPICAL OF 8 117A THRU 117H NUCLEAR BOILER SYSTEM THRU 2-126D (4) (B,1)(B,6)(D,1)(D,6) FROM 2-126A ( ) STEAM LEAK DETECTION 6017C TE 6017C C304C REW3-4"-DB C04 RV70-1"-HB CR-12-133 TO CIT-3013 FROM V130-1/2" (SS TUBING) NON-REGENERATIVE HEAT EXCHANGER V117-"-DB DB C217 CLEANUP RECIRC. PUMPS (12-1B) RC-37-2 RC-38-2 P-204B RC-38-1 RC-37-1 (12-1A) P-204A REW3-4"-DBD 2625 PX CRW REW3-3"-ED 3"-N14 3"-N14 RC-2-1 NX-32779-7 (I,6) TO CAVS SYSTEM C217 2626 PX C217 3"-N14 RC-3-2 RC-96-1 C217 REW3-3"-ED RC-96-2 TUBING REW30B-3/4"-ED 3"-N14 RC-2-2 C52 REW3-4"-DBD ED ED ED DBD 12-100 CE 4 4143 PH 2627 PX 12A-S6 C04 HS RC-3-1 RC-95-2 REW30A-3/4"-ED ORW MONITOR NH-252182 FROM MMS (C,3) TUBING RC-27 RC-28 DBD HBD ORW REW3-4"-DB D175-1"-DB 12-156 TI 12-94 TE C04 C04 2624 PX RC-95-1 ED 12A-S5 HS ORW RC-23 RC-24 D159-1"-ED D158-1"-ED D172-1"-HC D170-3/4"-ED D169-3/4"-ED D171-1"-HC REW4-4"-DBD 12-118 CIT 4388 DH RWC110 DH V131-1/2" (SS TUBING) RWC104 C C217 4143 PHIT LEAKAGE 12 LEAKAGE B-2206 RC-91-2 RC-90-2 CRW CRW SEAL HC ED SEAL HC 12-144 C217 CR C04 RC-10-2 V113-"-DB RC-9-2 ST.SL. DB 2404 DC RO DB ORW V102-1"-DB " DBD RV69-"-HB RC-91-1 11 B-3206 RC-90-1 CRW ED RC-77 DBD ED 12-65 RV 1" DBD RC-76 ST.STL (TYP) ED HBD RC-10-1 V112-"-DB RC-9-1 ST.SL. DC DB RC-25 DBD ORW 2403 RO DC DB RC-26 " HBD ORW COOLING WATER 12-3 E-202 2 SHELLS CLEANUP ORW 12 11 V118-1"-DB RBCC-34 1"-130 RWC108 DH 12-87 PI REFERENCE DRAWINGS: NOTES: FROM 13-77A THRU 13-77D (4) RCIC SYSTEM 1"-130 RBCC-49 REW4-3"-DB NH-36255 (E,4) NH-36243 RC-17 (D,6) 3"-NW14 RC-5-2 RC-16 M-129 C217 M-117 4388 DHIT 3 3"-NW218 RC-4-2 1" DBD REW4-3"-DB DBD DB 6"x4" ST.STL 3"-NW14 RC-5-1 6"x4" RC-4-1 3"-NW218 ORW 1" 4. 1. 2. 3. 2. 3. 4. 1. (D,6) NH-36042 COOLING WATER M-111 NH-36042 (D,6) ORW CLOSE VALVES MO-2399 (D,4) MO-2404 (B,7) 12-131 PI 12-157 TIS C04 12A-S7 MO-2405 (B,7) TO CAVS NX-32779-7 SYSTEM (I,7) 12-97 TE C04 12-131 12-93 PT C04 C04 HH PI A A C52 HS 2 A H C04 NH-36251 M-125 (E,2) TIS TIS 6017A 6017A TE C304A NH-36241 M-115 STANDBY LIQUID CONTROL ACTUATION HIGH HIGH TEMP. TO DEMINERALIZERS (TIS 12-157) (B,2) HIGH RWCU ROOM TEMP. (C,1) VALVE CLOSURE SIGNAL 3/4"-130 RC-72 HIGH DRYWELL PRESSURE HIGH RWCU FLOW (C,6) LOW-LOW REACTOR WATER LEVEL 3/4"-130 4 RC-73 M-143 V103-1"-DB RC-21 NH-36253 (D,4) NH-36242 NH-36258 M-127 M-116 RC-22 12-64 RV 3 COOLING WATER M-111 12-117A TE 2 D EC 78 12704 NH-36254 MONTI CAD DWG ` ' M-128 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A REV BAL 10-12-09 JJP 12-18-12 AWL 12-20-12 JRS 12-20-12 THRU 23-105D (4) FROM 23-105A P&ID REACTOR WATER CLEANUP SYSTEM CLOSE VALVES MO-2397 (D,7) MO-2398 (D,7) MO-2399 (D,4) (M-129) - NH-36255 (GE 730E718) NX-7880-7 (GE 719E567) NX-7880-3 NX-7880-11 M-117 M-117 NH-36249 M-123 (E,2) HPCI SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm THRU 10-98H (8) FROM 10-98A 6017D TE 6017D TIS NH-36246 M-120 (A,3) RHR SYSTEM TIS 6017B 6017B TE C21 4926 TR A H C03 C304B CV-2790 CV-2791 C304D SCALE: NONE 1 QUALITY GROUP D COLOR LEGEND (E,6) (E,6) JJP 10-9-09 BH 10-12-09 17524 JRD 4-3-12 JJP 4-3-12 AWL 4-3-12 17525 18767 RWS 6-18-13 SLM 6-18-13 JJP 4-12-13 21654 DAJ 6-23-13 PEB 6-19-13 JJP 6-19-13 APPR: CHK: DWN: APPR: APPR: CHK: DWN: 81 82 EC EC DWN: APPR: CHK: CHK: DWN: CHK: DWN: APPR: 79 80 EC EC AH 86 A B C REVISIONS 01121715 1 RMG 3-12-08 JJP 2-25-09 AVW 2-27-09 BAL 2-26-09 13693 JJP 3-5-08 11951 BJR 3-11-08 DWN: CHK: APPR: CHK: DWN: APPR: 76 77 A/R EC EC 21610 APPR: JRD 8-20-13 CHK: DWN: SLM 8-20-13 JJP 8-20-13 83 EC 24195 APPR: AJW 6-23-14 CHK: DWN: BAL 6-23-14 JJP 6-20-14 84 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC. 25814 APPR: AJW 6-24-15 CHK: DWN: BAL 6-22-15 JJP 6-19-15 86 EC 86 DBD HBD

1 "-HC RT36B-3"-HC RT37A-3"-HE SC12A-3"-ED (CV-4B) CONDENSATE CV 12-4-15B FR 12-4-97B 1/2" ED RV60-1/2"-HC NH-36049-16 SINK DE LAVAL IDENTIFICATION (TYPICAL) LS 12-4-80 HS 4134 RC-82-1 D202-1"-EF RC-81-1 dPIS 12-4-72A YS 12-4-54A C RWC105 NH-36255 M-131 NH-36049-16 (B,7) INSTRUMENT AIR NH-36045 PRECOAT RETURN LINE FROM FUEL POOL A B C D E HB 12-141A FI NH-36049-16 INSTRUMENT 12-4-50 RC-62 2"- 1/2"-19 CST-35 (B,6) 1"- RC-64 RC-63 FROM V-AC-21 NH-36261 M-149 CONDENSATE NH-85509-2 (A,6) (B,5) M-139 2" M-114-2 SERVICE (B,6) 6 ORW 12-4-11 D179-4"-HC NH-85509-2 M-114-2 CONDENSATE SERVICE 1"- CST-81 12-4-48 SERVICE CONDENSATE M-114-1 NH-85509 M-131 NH-36049-16 (C,4) INSTRUMENT SV 12-4-54A 12-4-54A C82 HS AIR (D,7) 2"-19 (300 GAL.) T-203 (12-4-6) CLEAN-UP PRECOAT TANK 12-4-12 CST-40 1/2"-130 

"-HB RC-61 3"-
  • D176-2"-HC 12-4-47 1"

AO 2"-HC 3425 FG PX 2892 PX 2893 3418 PX RT35-3"-HC S-202 (12-4-8) 12-4-47 C82 RC-92 4135 AO 12-4-62A AO 12-4-54A 12-4-46 RC-65 1/4"- 1"-HB A L C82 M-131 AIR (C,7) 12-4-88 RT36-3"-HC FG RC-80 C82 L 12-4-62A 12-4-62A SV HS SC19A-3/4"-HB L HE EF C RTA38A-3/4"-EF O O C RC-43-1 (CV-4A) CV 12-4-15A FR 12-4-97A 3"- 12-4-17A SV 12-4-15A RWC100 PROGRAMMER HS 12-4-15A PCV 12-4-15A F C82 M-128 NH-36254 (B,5) HEAT EXCHANGER TO REGENERATIVE FC 12-4-97A P/E 12-4-77A C82 PP REW4A-3"EF REW4B-3"EF TIMER C82 6 FE 12-4-74A FT 12-4-75A 3/4"- RC-56-1 12-4-63A FS 12-4-81A C82 L O C C82 PI 12-4-73A EF RC-55-1 3/4"-

  • A H

C82 AO 12-4-14A CONDENSATE F.C. 1"-HC 12-4-24A PCV 12-4-118 dPT 12-4-69A RC-70-1 3/4"-130M3 dPIS 12-4-94A PI 12-4-78A RV 12-4-36 SV 3488 (CV-51A) RT36A-3"-EF AO 12-4-37A 12-4-61 TO WASTE PRECOAT TANK M-139 NH-36045 (B,5) BLDG 3"-237 REACTOR RADWASTE PROGRAMMER TIMER 12-4-89 PRECOAT PUMP CLEAN-UP (12-4-7) 145 GPM P-206 A L C82 A H C82 

" SS TBG 4134 ORW ORW PI C82 1"-19 5

ORW 3"- 12-4-52 RC-59 RT35-3"-HC BLDG CH14-2"-HC PROGRAMMER CLEAN-UP (12-4-2A) HOLDING PUMP P-205A 3/4"-130 RC-84 12-4-41A 85 GPM MILLIPORE FILTER 12-4-56 (CV-52A) AO 12-4-32A RC-47-1 PX 2888 ORW PX 2889 1"-19M3 1"-19M3 3"- 3205 11 12-4-40A RC-53-1 AO 3488 RV59-"-HC RC-60 F.C. HC RT35A-3"-HC F.C. ED V43-"-HC ORW 3"- 12-4-33A RC-48-1 PI 12-4-79A 2"- TIMER C82 F.O. 2"- 

"-HE 1/2"-130 D177-1"-HC D178-1"-HC SEAL LEAKAGE ORW 2"-

RC-57 NH-36039 RC-66 3/8" DEMIN M-108 (E,4) ED (CV-53A) 12-4-39A RC-54-1 12-4-38A ED EF 3"- F.C. EF AO ED 2" HC REW4A-3"-ED 

"-ED (CV-7A)

REW4A-3"-ED RV57-1"-ED ORW RV TO PUMPS & SOLENOIDS M-139 NH-36045 (B,3) C82 CE 12-103A 12-129A CIT RC-42-1 12-4-26A 3"- REW12A-3"-EF C217 3026 SX C217 V41-"-EF REW4A-3"-EF ORW 3205 HS 3114 CI PROGRAMMER SIGNALS 5 C82 C82 RC-71-1 3/4"-130M3 A H C82 C82 PANEL LOCAL C82 dPS 12-4-82A (12-4-98) A CLEAN-UP F/D FAILURE C04 12-141B FI V55B-1"-ED 4139 12-4-30A F.C. (12-4-115) CLEAN-UP RESIN FEED TANK T-205 1"- 12-4-126 DM-261 PI 12-4-123 CST-144 

"-HC
"-HC 4

PI 12-4-124 12-4-22A RC-50-1 RC-88-1 12-4-13A (CV-3A) AO 12-4-20A RC-41-1 3"- 1/2"- ED HE EF ED RT37A-3"-HE 3"- HE ED V55A-1"-HC HC HC AO 12-4-120 (CV-10) EDUCTOR (12-4-117) S-203 (12-4-116) PI 12-4-125 RC-67 1 1/2"-19 RV60-1/2"-HC REW4A-3"-ED (CV-9A) AO 12-4-34A 12-4-87A FG RC-44-1 1"-* 12-4-35 ORW RV NH-85509 M-131 (C,7) NH-36049-16 INSTRUMENT SV 12-4-54B 12-4-54B C82 HS AIR M-114-1 SERVICE (C,4) 12-133 V54-1"-HC FG 12-4-71B SA5-1"-JB A C82 A H C04 12-4-28A (CV-14A) AO 12-4-42A RC-49-1 (CV-8A) FROM CR-12-144 11 (12-4-1A) CLEAN-UP FILTER/DEMIN T-202A 1"- NH-36254 M-128 JB EF F.C. (A,3) C AO 12-4-18A F.C. EF HC A C82 4 SV 12-4-15B RWC101 F PROGRAMMER HS 12-4-15B PCV M-131 NH-36049-16 12-4-15B (D,7) C82 CR C04 FC 12-4-97B P/E 12-4-77B C82 PP 12-129B 3113 TIMER C82 CI C82 C RWC106 CIT 217 INTERNALS REMOVED FROM PCV-12-4-66 UNDER WRA 77-0998. NOT ALL AO VALVES ARE EQUIPPED WITH PCV AND FLOW CONTROL VALVES. SEE AO VALVE TABLE. AO-12-4-44B AO-12-4-47 AO-12-4-120 AO-12-4-121 AO-12-4-41A AO-12-4-41B AO-12-4-42A AO-12-4-42B AO-12-4-44A AO-12-4-20A AO-12-4-20B AO-12-4-34A AO-12-4-34B AO-12-4-37A AO-12-4-37B AO-12-4-14A AO-12-4-14B AO-12-4-18A AO-12-4-18B VALVE NO. This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT AS-47 RV72-1"-HCD LOKRING APPROVED FOR USE ON SENSING LINE EC22026. HS HS-12-4-39B HS-12-4-39A/ RT36B-3"-EF TYPICAL FOR AO-12-4-39A AND AO-12-4-39B PI 12-4-78B HB SC19B-3/4"-HB REW4B-3"-ED 1"-19M3 1"-19M3 RC-82-2 D203-1"-EF RC-81-2 3 AO 12-4-121 (CV-11) ORW 12-4-68 PI M-128 RECIRC. PUMPS FROM CLEAN UP (A,5) NH-36254 RT35B-3"-HC AO 12-4-62B AO 12-4-54B A L C82 INSTRUMENT M-131 AIR (C,7) AO 12-4-39B HC 1/2" ED (CV-53B) F.C. ED C82 L 12-4-62B SV 12-4-62B HS 

"-HE L

HE EF C RT38B-3/4"-EF O O C AO-12-4-39B INSTRUMENT NH-36049-16 AO-12-4-39A/ L O C C82 AO (B,7) SV-12-4-39B SV-12-4-39A/ PCV-12-4-39B PCV-12-4-39A/ M-131 AIR PCV ED PP HB SV PROGRAMMER HOLDING PUMP TIMER (12-4-2B) 85 GPM P-205B (CV-52B) AO 12-4-41B 12-4-32B RC-47-2 ORW CLEAN-UP PX 2890 PX 2891 3"- 2205 12 RC-53-2 12-4-40B RC-54-2 AO 12-4-44A HC F.C. F.C. 3"- ED 12-4-38B (CV-6A) 3"- 12-4-33B PI 12-4-79B AO 12-4-37B 2"- RC-48-2 C82 F.O. 2"- (CV-51B) 3 YS 12-4-54B dPIS 12-4-72B C217 FE 12-4-74B FT 12-4-75B 12-4-63B RC-56-2 3/4"- 3"- 12-4-17B RC-43-2 FS 12-4-81B C82 L O C C82 12-103B 3027 SX PI 12-4-73B RC-55-2 3/4"-

  • EF A

H C82 C217 CE HS 2205 12-4-26B RC-42-2 3"- REW12B-3"-EF C82 V42-"-EF REW4B-3"-EF ORW V55B-1"-ED dPT 12-4-69B RC-70-2 3/4"-130M3 dPIS 12-4-94B 12-4-14B (CV-7B) SC12-3"-HB PCV-12-FU53A/ PCV-12-FU53B C82 (BACK) AI-454-1-2/ AI-454-1-3 C82 (FRONT) PCV-12-F53A/ PCV-12-F53B SV-12-FU-53B 3"- 12-4-45 SV-12-FU-53A/ PROGRAMMER PROGRAMMER TIMER SV-12-F53B SV-12-F53A/ C82 SV HB ED TIMER C82 SV PCV PCV ED RC-58 RC-88-2 

"-ED (CV-6B) 12-4-44B F.C.

AO ED EF SC12B-3"-ED 1/2"- 2" EF RC-41-2 12-4-13B 3"- NOTE 3 SEE F.C. 12-4-70 PI AO

  • REW4B-3"-ED RV58-1"-ED ORW 12-4-24B 1"-HC RV M-108 NH-36039 (C,6)

FROM BACKWASH CONDENSATE 2. 1. 3. 2 C82 A/S NOTE: 3"- RC-50-2 12-4-22B RT37-3"-HE CST-117 SEE NOTE 1. DELAVAL IDENTIFICATION AO 12-4-20B (CV-3B) (TYPICAL) 12-4-66 PCV HE ED EF ED RT37B-3"-HE F.C. HE HC HC 1"-HC ED 12-4-28B C82 dPS 12-4-82B C82 A H C82 RC-71-2 3/4"-130M3 ORW 1 1/2" RV 3383 1" 12-4-86 12-4-42B (CV-14B) RC-49-2 (CV-8B) AS-24 12 (12-4-1B) CLEAN-UP FILTER/DEMIN T-202B 1"-* SA5-1"-EF 1"- 12-4-43 JB EF F.C. AO 12-4-18B F.C. EF HC 12-4-55 FILTER AO PI V54B-1"-HC 2 JCG 4-29-13 PEB 4-29-13 NH-36255 MONTI CAD DWG ` ' M-129 REV SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A TYPICAL FOR AO VALVES LISTED IN AO VALVE TABLE UNIT 1 REACTOR WATER CLEAN-UP FILTER/DEMINERALIZER SYSTEM P&ID HS-12-4-44B HS-12-4-47 HS-12-4-120 HS-12-4-121 HS-12-4-42A HS-12-4-42B HS-12-4-44A NORTHERN STATES POWER COMPANY Energy Xcel SV-12-4-44A SV-12-4-44B SV-12-4-47 SV-12-4-120 SV-12-4-121 SV-12-4-42A SV-12-4-42B sm PCV-12-4-44A PCV-12-4-44B PCV-12-4-47 PCV-12-4-42A PCV-12-4-42B NO PCV NO PCV HS-12-4-18A HS-12-4-41A HS-12-4-41B HS-12-4-20A HS-12-4-20B HS-12-4-34A HS-12-4-34B HS-12-4-37A HS-12-4-37B HS-12-4-18B HANDSWITCH HS-12-4-14A HS-12-4-14B RT37-3"-HE SV-12-4-14B SV-12-4-18A SV-12-4-41A SV-12-4-20A SV-12-4-20B SV-12-4-34A SV-12-4-34B SV-12-4-37A SV-12-4-37B SV-12-4-18B SV-12-4-41B SOLENOID VALVE NO. SV-12-4-14A 12-4-30B RC-44-2 1"- FG 12-4-87B (CV-9B) AO 12-4-34B F.C. PHASE SEPARATORS M-141 TO CLEAN-UP (E,2) AO VALVE TABLE NH-36047-1 PCV-12-4-14B PCV-12-4-18A PCV-12-4-41A PCV-12-4-34A PCV-12-4-34B PCV-12-4-37A PCV-12-4-37B PCV-12-4-18B PCV-12-4-41B PCV-12-4-14A NO. NO PCV NO PCV PCV NO. NONE NONE NONE YES YES NONE NONE SCALE: 1 NONE B,7 D,1 D,2 B,7 C,1 B,7 D,7 NONE NONE NONE NONE NONE NONE NONE COLOR LEGEND QUALITY GROUP D NONE YES YES NONE NONE NONE NONE NONE NONE NONE CONTROL VLV INST AIR FLOW NONE NONE EXH C,7 B,6 D,7 C,7 B,7 C,7 C,7 B,7 C,7 D,7 B,7 B,6 AIR ISOL VALVE REF DRWG. COORD YES YES NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE INLET AO SV SV PCV PROGRAMMER FROM SERVICE AIR PI INSTRUMENT NH-36049-16 1"-HC PHASE SEPARATORS 12-4-71B L O C C82 FG M-131 AIR AO SA5-1"-JB V54-1"-HC 3111 RV C82 (NOTE 2) HS

  • TO CLEAN-UP (E,2)

M-141 NH-36047-1 M-131 NH-36049-4 (A,5) ORW APPR: DWN: CHK: APPR: CHK: DWN: CHK: APPR: APPR: CHK: DWN: APPR: CHK: DWN: DWN: APPR: CHK: DWN: C82 TIMER 82 81 80 79 77 78 20192 KMF 2-19-10 BAL 2-18-10 JJP 2-16-10 15602 JIH 9-14-12 BAL 9-14-12 JJP 9-13-12 22026 JJP 4-29-13 EC EC EC 11100 MM 7-13-07 JJP 7-13-07 BAL 7-13-07 JJP 3-5-08 BJR 3-11-08 RMG 3-12-08 BAL 12-9-09 JJP 12-8-09 KEC 12-9-09 11951 01121715 A/R 9655 EC EC EC 1 REVISIONS A 84 P B C D E 19336 APPR: ERN 5-10-13 CHK: DWN: BAL 5-7-13 JJP 5-6-13 83 EC 25356 APPR: AJW 3-16-15 CHK: DWN: BAL 3-16-15 JJP 3-12-15 84 EC 84

L.O. PC-19-2 1" HK FROM P-7A & B RECIRC (B,5) ADJUSTABLE WEIR FPW17B-3"-MR 1"-130 4"-29 PC-31 1"-130 FPW3-4"-HC C66 CRW C66 CRW PC-26 8"-142 PS 2770 A 6 1" HC STRAINER PC-45-2 PX 3042 6"-29 PC-3-2 FPW1B-6"-HC L ORW PUMP P-7B ORW PC-46-2 1"-19 12 450 GPM COOLING WATER PI 7981 FUEL POOL 4302 B L PI 7980 HS 42-4302/CS-1 STRAINER 1"-HC PC-45-1 PX 3040 PUMP TRIP LS-2786B FPW1B-6"-HC (D,3) FROM TRIP L C66 PC-3-1 6"-29 FPW1A-6"-HC PUMP P-7A HS 42-4302/CS-2 ORW C66 1"-19 PC-46-1 L C65 L C88 C88 11 450 GPM COOLING WATER ORW FUEL POOL 3302 HS 42-3302/CS-1 TE 2781A PUMP TRIP LS-2786A (D,3) FROM PS 2769 TRIP L C66 (C,2) TO TR-23-115 NH-36247 M-121 HS 42-3302/CS-2 8"-237 PC-25 C66 L C65 L C88 C88 M-111 3/4"-130 PC-7-2 CW5-6"-HF TOP HEAT EXCHANGER PC-9-2 1"-19 TYP FOR 6 FUEL POOL HEAT EXCHANGER E-6B 5 4"-29 PC-5-2 FPW8B-4"-HC PC-4-2 4"-237 PX 2778 TI 2780 ORW CRW PX 2776 RV 1413 ORW 2" VENT ORW 4 NH-36042 A-D TYP FOR 4 FPW9B-4"-HC CRW A-F PC-12-2 4"-29 PC-11-2 1"-19 ORW VENT 12 3/4"-130 PC-8-2 TYP FOR 6 A-F 3/4"-130 TYP FOR 3 PC-10-2 A-C (C,6) PC-48 BOTTOM HEAT EXCHANGER TYP FOR 6 1"-19 PC-9-1 EXCHANGER E-6A FUEL POOL HEAT 4"-HC DRYWELL ORW FPW8A-4"-HC 3/4"-130 3/4"-130 PC-52-2 PC-6 4"-29 PC-52-1 "-HK ANNUNCIATOR (A,3) L C65 PS 2774 PI 2772 C66 L TO PC-47-2 HC (D,3) 10A-6"-HK TO FPW PC-4-1 4"-237 HC 1"HK PX 2777 4"-29 V40-3/4"-HC CRW ORW PX 2775 FPW8-4"-HC 2" VENT PC-5-1 4"-29 (A,3) ANNUNCIATOR L C65 C66 PS 2773 PI 2771 L TO PC-27 8"-237 PC-47-1 3/4"-130 ORW FPW4-2"-HC 2"-19 PC-28 DRYWELL CRW 4"-29 PC-7-1 FPW1-8"-HC V39-3/4"-HC ORW FPW11-6"-HK LI 2788 2" 1"-19 PC-49 CRW (C,6) PC-21 HK REACTOR BLDG CLOSED COOLING A-D TYP FOR 4 FPW9A-4"-HC 4"-29 CRW CW2-6"-HF PC-12-1 A-F 1"-19 ORW WATER PC-11-1 VENT 11 PC-8-1 TYP FOR 6 3/4"-130 A-F TYP FOR 3 3/4"-130 PC-10-1 A-C TE 2781B FI 2830 FPW9-6"-HC HC HC (C,2) NH-36247 TO TR-23-115 M-121 C66 C66 FI 2829 6"-142 L C65 6"-418M7 PC-22 NH-36042 CLOSED COOLING REACTOR BLDG CRW FS 2792 FPW7-4"-HC CW5-6"-HF CW2-6"-HF WATER M-111 H PC-50 L C65 FI 2793 TEST (A,3) FPW11-6"-HK ANNUN FPW11-6"-HK FS 2793 TO H C D 4"-HC PC-43 PC-44 1"-19 PC-24 2"-19 PC-23 FPW6-2"-HC ORW DRAINS LINER ORW 1"-19 MR FPW6-4"-HC HB D106-1"-HB 7,000 GAL/FT. 45'L X 19'W X 26' DP 583 GAL/INCH D105-1"-HB HB MR 160,000 GALLONS STORAGE POOL DRYER-SEPARATOR NH-36256 E FPW14A-2"-HC 2" 2" 2" 2" FPW14B-2"-HC 6 L (A,3) TEST FS 2789 FPW3-4"-HC FPW7-8"-MR FPW3-2"-HC FPW3-2"-HC FPW4-6"-HC FPW4-6"-HC FPW4-6"-HC FPW3-2"-HC FPW2-3"-HC PC-33 4"-29 FPW2-4"-HC FPW4-8"-HC FPW11-4"-HK FPW11-4"-HK FPW16-2"-HB FPW2-1"-HC FPW18-1"-HB TO ANNUN. (A,3) 1"-130 1"-19 PC-32 L C65 FRW2-3"-HC FPW3-4"-HC DRYWELL FPW2-1"-HC A HC MR B 625 GAL/INCH 32' DIA. X 27' DP REACTOR VESSEL 163,000 GALLONS 7,500 GAL/FT. REACTOR WELL FPW3-2"-HC ORW PC-42 FPW5-3"-HC FPW16-2"-HB ORW 3"-29 PC-30 PC-29 1"-19 HB MR MR HB HC MR 1"-19 FPW10B-6"-HK ORW LINER DRAINS HB D103-1"-HB D104-1"-HB MR 1" PC-41 1" 26' X 40' X 39' DP 647 GAL/INCH 2"-MR 7,769 GAL/FT. 303,000 GALLONS 22'-8" DEEP PC-20-2 6"-237 M3 A PC-20-1 6"-237 M3 GATES B FPW17A-3"-MR FUEL STORAGE POOL 2"-MR 2"-MR 2"-MR HC (TYP) MR 2" 2" 2" 2" 5 HC FPW14A-4"-HC HC MR (TYP) LS 2787 H FPW14B-4"-HC ANNUNCIATOR L C65 TO MR 4 N.D. PC-36 1"-DE FROM PS-2773 (B,5) 3 FROM FS-2793 (C,4) FROM FS-2792 (C,4) FROM FS-2789 (C,5) FROM LS-2787 (E,4) FROM LS-2785A (D,3) FROM LS-2784 (D,3) FROM PS-2774 (A,5) 2 4"-142F

4. PANEL C04 LOCATED IN MAIN CONTROL ROOM.
3. PANEL C88 LOCATED IN RADWASTE CONTROL ROOM.
2. PANEL C66 LOCATED NEAR FUEL POOL COOLING WATER PUMPS. (EL.985')
1. PANEL C65 LOCATED ON OPERATING FLOOR. (EL.1001')

A0-4"-418 PC-54 AO-6"-418 FPW13-4"-HB FPW13-6"-HB SYSTEM TROUBLE FUEL POOL COOLING FILTER/DEMIN NH-36257 SYSTEM M-136 A C04 HK FUEL POOL FPW10-6"-HK L O C C66 M-128 NH-36254 FROM R.W.C.U. (B,8) F.C 8"-29 PC-2 6"-256M3 PC-16 6-418M7 PC-15 HK HB AO 2783 F.C L O C C88 6"-29 L O C C66 CV 2782 ORW HS 2783 CST-158 CST-159 NOTES: TO WASTE SURGE TANK NH-36045 (C,6) M-139 M-131 NH-36049-13 (B,6) A/S H.C. EL 1001' 1"-7 CST-28 CST-29 M-131 NH-36049-13 (B,6) N.D. SV 2783 NH-36039 M-108 STORAGE TANK TO CONDENSATE (A,2) C66 HS 2782 E/P 7996 SV 2782 7996 LC C88 AIR SET C66 CST-30 1"-110 A/S 1 A 1 1/2"-HB 3238 PUMP P-85 DECONTAMINATION HIGH PRESSURE CHAMBER DAMP PCV RV 1"-HB 30GAL SUCTION TANK CST-26 1 1/2"-19 SERVICE BOX 1/2" HOSE EL. 1027' LANCE LCV CONDENSATE M-114-1 NH-85509 (E,4) FROM SERVICE B REW11-8"-HE TO RHR PUMP L C88 L C88 FPW1-8"-HC SC5-2"-HB LS 2786A LI 7453 PC-19-1 FPW10A-6"-HK PC-17 FPW10-10"-HK 6"-418 M7 6"-418 M7 FPW12-8"-GE HK GE PC-18 8"-26 PC-35 LS 2786B LL LL T-48A 11 (NORTH TANK) 228 GAL/FT. 4000 GAL L.O. SKIMMER TANK SURGE LS 2785B LS 2785A LT 7996 L C66 L L L C65 LS 2784 CST-33 2"-223 L C66 L C65 H CST-32 2"-130 TO PUMP P-7A TRIP (B,6) M-121 NH-36247 EXCHANGERS FROM RHR HEAT REMOVABLE SPOOL FPW12-8"GE (C,4) TO PUMP P-7B TRIP (B,6) PC-53 PC-1 8"-29 HC HE ADJUSTABLE WEIR TO ANNUNCIATOR (A,3) TO LC-7996 ON C88 NH-85509 M-114-1 (D,4) SERVICE PUMPS FROM CONDENSATE T-48B 4000 GAL 228 GAL/FT. (SOUTH TANK) 12 SURGE SKIMMER TANK MR HC PC-34-1 4"-29 3 2 NH-36247 SUCTION (B,6) M-121 REMOVABLE SPOOL C D REVISIONS PC-34-2 4"-29 1 E CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 76 JJP 3-5-08 11951 01121715 A/R EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36256 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-135 X Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID FUEL POOL COOLING & CLEAN-UP SYSTEM REV 78 T FPC103 T FPC104 22690 APPR: TM 10-1-13 CHK: DWN: BAL 9-26-13 JJP 9-24-13 77 EC 23419 APPR: DJS 2-25-15 CHK: DWN: AJR 2-25-15 JJP 2-25-15 78 EC 78 LE 2789A TI 2779 RV 1412 2789A LI 78 LE 2789B 2789B LI

2830 FIC 6"CV-52B FDPC-2-2 6"-237 RT16B-6"-HC 2833 CR 3PEN 2825 YS 2883 PX 2819 PI A H C88 A H C88 FDPC-5-1 3"-29 PC-51-1 ORW C88 A/S TIMER PROGRAMMER AO-2845 AI-297-1-1 3486 HS FROM (C,6) A/S C88 A B (A,5) 6 TO CR-2833 FPW9-6"-HC FROM PRECOAT TANK C217 HEAT EXCHANGERS FROM FUEL POOL NH-36256 M-135 (B,3) PROGRAMMER TIMER C88 FPC100 C F53A 2794 SX 6"CV-52A M-139 NH-36045 F.C. RT16-6"-HC 2803 AO O L C 6"-237 FDPC-2-1 ACCUM RT16A-6"-HC C217 2833A CE 2833A CIT (E,5) AO-2799 FROM (B,4) PI PCV NH-36257 C D E 2827 dPIS 2829 FE PI-4A 2829 FS C88 TO FI-2829 A L C88 53A1 PCV C88 BACK C88 FRONT AS-18-1 53A PCV C88 2817 HS TIMER PROGRAMMER C88 SV AI-297-6 TO AO-3484 (B,6) FU-53A SV A/S 2829 FIC C88 FIC-1A ToT 2829B FCp NH-36256 FQ-1A M-135 (B,3) C88 NH-85509 PILOT AIR HS 2845 (D,4) SV 2845 2845 AO RT34A-2"-HC 2"CV-57A F.C. C C88 L O 3/4"-HC FE-1A 4150B CST-143-1 2"-HB FS-1A SERVICE M-114-1 COND. L 2"-19 C88 HS 2829A FCp EXT-1A 2829 FT FT-1A 2831 PI 2"-HC PI-2A dPIS-1A HC HK 2829 CV PC-14-1 6"-418M7 (B,3) NH-36045 TO LIQUID RADWASTE M-139 CRW-102-1 (E,2) 2829 HS C88 2829 SV CV-4A M-135 NH-36256 TO FUEL POOL 6 C217 FPC101 C 2795 SX 4" F.C. 6"-HK A H C88 2833B CIT 2833B CE C217 C88 FPWB10-6"-HK A H C88 RT20-6"-HC AI-297-7-1 3485 HS (C,3) 3/4"-HC 5 ORW ALARM ON HIGH TEMP 5614 TS 3484 SV 3484 HS FDPC-9-1 AI-297-6-1 PROGRAMMER HS 2803 TIMER C88 3484 AO C L C88 O FDPC-9-3 3486 AO C88 AI-297-3 2803 SV A/S 3486 SV L C O C ORW 3/4"-HC TO PRECOAT TANK NH-36045 M-139 AO-2846 FROM (C,3) 6"-29 PC-13-1 CH30A-1"-HC HB 2797 PI PI-1A 6"CV-7A F.C. HC PI FDPC-1-1 1"-19 ACCUM HC HE 3/4"-HC PI TYPICAL FOR ALL VALVES 2649 ORW 4 DETAIL "A" FOR "AO" VALVES UNLESS OTHERWISE SHOWN HE FROM LIQUID 3485 AO 3485 FDPC-9-2 RADWASTE M-139 (C,5) NH-36045 CRW-101-1 SV C C88 L O AI-297-1 TO AO-3486 (B,6) HS 2799 PCV 2799 AO C88 L O C TIMER C88 PROGRAMMER 2799 SV A/S HB L (LIMIT STOP) SLUDGE TANK TO WASTE NH-36047-1 M-141 RT33-6"-HE (E,5) F.C. FUEL POOL FILTER/DEMIN T-47A (P.O. M16) 11 C HB FPW10A-6"-HK V37-3/4"-HC 3/4"-130 FDPC-7-1 F.O. HOLDING PUMP 2823 PCV 2823 HS AI-297-2 2823 SV C88 4150B P-55A FUEL POOL 11 AO FPW15A-2-1/2"-HB ACCUM PI L C88 PI-3A 2821 PI 2 1/2"-237 O C FDPC-6-1 FPW15A-3"-HK AI-296-2 SV 2817 A/S 2882 PX PROGRAMMER TIMER C88 HK HB YS-1A HK PCV 2817 AO PCV FDPC-4-1 6"-256M3 6"CV-53A CH29A-1"-HC FDPC-8-1 RT20A-6"-HC 2"CV-51A C FDPC-3-1 1"-19 FPW9C-6"-HC RT33A-6"-HE F.C. 2805 dPT RT20A-6"-HK ACCUM C88 L O PI F.C. HC HK ORW dPIS-2A dPT-1A 2805 dPIS C88 HC HE C88 A H 2815 PCV 6"CV-6A F.C. (B,6) CRS-1 (E,3) PI ACCUM AO SC13A-6"-HB 5 A/S C88 TIMER PROGRAMMER AI-296-4 HS 2815 C88 O L 2815 SV F.C. C LOCAL PANEL A C04 C88 F.P. TROUBLE C F.C. 6"CV-3A RV35-2"-HC RV35-1 1/2"-HC RT33A-6"-HE ORW 2807 C 2801 RV C88 L AO O L C88 O C AI-297-4 2807 PROGRAMMER C88 TIMER 2807 SV HS V78A-1"-HB A/S 1"CV-9A AO PROGRAMMER TIMER C88 2809 AI-297-5 2809 HS 2809 SV A/S C88 FIC-1B NOTE 1 2813 PS AO 2813 AI-296-1 PROGRAMMER TIMER C88 L C O 1"CV-14A C88 2811 AO A/S 2"CV-8A F.C. 2811 2811 HS SV C88 L O 4 TO LIQUID RADWASTE CRW-102-2 NH-36045 AI-296-3 2813 PROGRAMMER TIMER C88 PS-2A HS SV 2813 V53A-2"-HC (E,2) A/S HS 2830 C88 M-139 RV36-2"-HC RV36-1-1/2"-HC PS-2813 & PS-2814 ABANDONED IN PLACE UNDER WRA #72-00875. HS AI-297-10 2800 PROGRAMMER TIMER AI-296-7 AI-297-8 2808 HB HE 3/4"-HC 3 TIMER PROGRAMMER PCV ACCUM AI-297-12 A/S 2804 C88 PI L O C AO 2804 HS 2804 SV C88 AI-297-12-1 3487 HS C88 L C O FDPC-9-4 3487 AO 3487 SV 2 CH30B-1"-HC HB PI-2A 2798 PI FPW9D-6"-HC 5615 TS ALARM ON HIGH TEMP ORW C PC-13-2 6"-29 CRW-101-2 (C,5) NH-36045 1. NOTE: 6"CV-7B F.C. HC PI FDPC-1-2 1"-19 ACCUM FROM LIQUID RADWASTE M-139 2800 AO O C L C88 PCV F.C. AI-296-8 HOLDING PUMP 2824 PCV 2828 dPIS 2826 YS 2830 FE PI-4B FE-1B CST-143-2 RT33B-6"-HE 2"-HB NH-85509 AI-297-7 TO AO-3485 (A,5) A/S (D,4) HS 2846 2846 SV 2846 AO C88 2830 FS TO FI-2830 A L C88 ToT 2830B FCp NH-36256 FQ-1B M-135 (B,3) C88 FS-1B CONDENSATE SERVICE M-114-1 L 2"-19 C88 4150C HS EXT-1B 2830A FCp 2830 FT FT-1B 2832 PI 2"-HC ORW PROGRAMMER TIMER A/S RT34B-2"-HC HC HE 2"CV-57B F.C. L C O C88 3/4"-HC 2824 HS AI-297-11 2824 SV C88 4150C FUEL POOL P-55B 12 FPW15B-3"-HK PC-51-2 3"-29 FDPC-5-2 2820 PI 2885 PX PI-2B dPIS-1B HC HK 2884 PX A/S YS-1B HB HK HK 3 PC-14-2 6"-418M7 2830 CV 2830 SV CV-4B 4" F.C. 6"-HK FPC102 C A H C88 TO CR-2833 (E,5) 2833C CE 2796 SX C217 HB C217 2833C CIT C 6"CV-6B A H C88 2806 dPT CH29B-1"-HC FDPC-8-2 6"CV-53B 2"CV-51B F.O. AO FPW15B-2-1/2"-HB ACCUM PI C88 L PI-3B 2822 PI FDPC-6-2 2 1/2"-237 O C RT20B-6"-HC C FPW10B-6"-HK 2818 AO 6"-256M3 FDPC-4-2 V38-3/4"-HC FDPC-7-2 3/4"-130 ORW RT20B-6"-HK C88 O L F.C. HC HK 6"CV-3B FPW9D-6"-HC FDPC-3-2 1"-19 F.C. ORW 2808 C 2802 RV C88 L AO O FUEL POOL (P.O. M16) T-47B 12 FILTER/DEMIN dPIS-2B dPT-1B 2806 dPIS C88 HC HE TIMER PROGRAMMER C88 2808 SV HS C88 TIMER PROGRAMMER A/S PCV 2816 PI SC13B-6"-HB ACCUM AO AI-296-5 HS 2816 C88 O L 2816 SV PI-6 2834 PI F.C. C88 L O C 1"CV-14B AO 2812 C88 1"-263 AS-26 SC13-6"-HB PCV-1 2835 PCV 2 HC JB 2835 PI SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 1 C88 TIMER PROGRAMMER 2800 SV A/S F53B PROGRAMMER C88 TIMER C88 A/S A B C AI-297-9 2810 PILOT AIR SV AO 2810 V78B-1"-HB F.C. A/S C88 O L C 1"CV-9B PROGRAMMER TIMER C88 SV 2810 HS C88 BACK C88 FRONT 53B1 PCV FU-53B SV 2818 HS C88 PROGRAMMER C88 TIMER AS-18-2 53B PCV A/S SLUDGE TANK NH-36047-1 AS-45 1"-65 TO WASTE AI-296-6 2814 2814 PS 2814 AO 2"CV-8B 2812 F.C. 2812 HS SV A/S C88 L O V53-2"-HC V53B-2"-HC NOTE 1 2836 PI TIMER PROGRAMMER C88 PS-2B HS SV 2814 SA5-1"-JB PI-5 M-141 (E,5) BACKWASH CONDENSATE NH-36039 (C,6) FROM M-108 NH-36049-4 A/S (B,5) SERVICE AIR M-131 FROM DWN: APPR: CHK: 76 1 JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 A/R EC REVISIONS C E 17346 APPR: AVW 1-25-11 CHK: DWN: BAL 1-4-11 JJP 1-3-11 77 EC NH-36257 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-136 N Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm FUEL POOL FILTER/DEMIN. SYSTEM P & ID REV 78 LOCAL LOCAL 23977 APPR: CWB 2-26-15 CHK: DWN: BAL 2-26-15 JJP 2-12-15 78 EC 78 2818 SV PROGRAMMER TIMER C88 POS PCV

CHANNEL A PRESSURE LOGIC HIGH DRYWELL A C05 APPROACH PT 2994B PT 2994A C04 L O C C04 L O C C03 D NOTE 8 P L O C C03 NH-36258 A B C C D C E M-131 NH-36049-14 (B,2) L O C C03 L O C C04 NOTE 8 NOTE 4 CV 2384 PS 4667 CV 2385 NOTE 8 HS S82 DWV-90 DWV-89 L O C C03 N2/AIR SUPPLY NH-36049-14 L O C C04 (B,6) T-RING M-131 C 6 LT38-"-HE NH-36049-14 AO 2896 LT39-"-HE 3/4"-19 L O C C03 L O C C03 ACTUATOR DWV-9 3/4"-19 L O C C04 F.C. DWV-10 C L O C C04 18Ø SUPPLY M-131 (B,6) C C SV 2896 PS 4672 PI 4672 ND CP5-2"-HE NH-36049-14 DWV-88 AIR SUPPLY (A,6) M-131 ND CP2-18"-HE DWV-86 ND N2/AIR SUPPLY CP5-18"-HE ND AO 2383 PI 4667 F.C. SV 2384 SV 2383 DWV-87 CP2-2"-HE XFER C292 F.C. SV 2385 C04 16A-S25 HS SUPPLY C04 16A-S20 HS NH-36049-14 T-RING NH-36049-14 (A,5) M-131 M-131 (B,6) AIR C04 16A-S21 HS C04 16A-S27 HS M-131 NH-36049-14 (B,2) ACTUATOR SUPPLY PS 4666 AO 2387 NH-36881 M-145 L O C C04 CP2-18"-HE NOTE 8 D P F.C. 18Ø NH-36049-14 (A,1) SUPPLY M-131 ACTUATOR (C,6) 6 N2/AIR SUPPLY ND C292 XFER PI 4666 AO 2386 PI 4671 PS 4671 ND SV 2386 NH-46162 (D,6) M-130 SV 2387 S82 HS NH-36049-14 T-RING NH-36049-14 SUPPLY ACTUATOR C04 16A-S24 HS (B,1) (A,1) M-131 M-131 C04 16A-S29 HS N2/AIR SUPPLY T-RING PRIMARY CONTAINMENT L O C C250 PRIMARY CONTAINMENT SUPPRESSION CHAMBER TE 2995F (TYP. OF TE4073-4080) PROTECTION SYSTEM LOGIC NH-36246 M-120 INTERLOCK FOR RHR SYSTEM TE 4247H1 CGC1-6"-CB X-47 L PCT115 PI 7251B ISO LY 7338B L O C C250 HPV1-8"-HE X-206D ES 7369 FROM E/S 4101 PY 7251B 7251B LS 2996A CO7 LS 2996B CO7 E/S C07C-5 CO7 L PCT112 5 LT 2996A A H L C04 H C258 7860B RM 50 PSIG 18" X 20" NH-116629 (C,2) 2996 E/S 4100 FROM M-131 NH-36049-4 (C,6) PCV 3078 SET @ LT 7338B L PCT113 CGC2B-6"-CB DWV-85 AS-191 X-205 LT 2996 C04 LI TABLE 1 SEE X-240 AS-36 PRESS TEST SERVICE AIR AIRLOCK C292 C03 PLR X-209B TE 4073A X-206F T PCT120 4072A A C05 C289A TY TYP. OF 8 X-207A-H PT 7348 1"-JB VENT X-206E X-206C POS 3000 PI 3077 A C04 LOCK AIR P PCT101 1"-JB 1"-156 DWV-27 P PCT103 AS-37 I/I E/S 4100 FROM PT 7251B POS 2999 X-2 X-48 TE 4247C1 X-29E X-29F E/S FROM X-25 7251B C56 PS 10-101B SEAL TEST CONN PS 5-12C E/S 4101 FROM CONTAINMENT LI 7338B C292 PRIMARY SYSTEM ISOLATION P PCT110 C292 C56 C56 5 PS 5-12D PS 10-119B PS 10-101D PS 10-119D C56 C292 C56 C56 CH B2 CH A2 4"x6" CGC1-4"-CB C03 LEVEL X-206G 2382A,B,C,E,F,G,H & K 18" VAC. BREAKER VALVE M-131 NH-36049-14 (B,4) AIR SUPPLY X-209C C289A 4072A TR 4072A C03 TI 4 (TYPICAL OF 8) X-50F TE 4247F1 DRYWELL TE 2995G C04 16A-S61 HS C04 16A-S60 HS SEL ONLY TEST SW X-26 X-32C C04 TE 4247A1 X-50E ALARM LS 2997 H A TE 4073B SV AO T PCT121 L PCT114 PT 7251A X-209A E/S 7251A N.D. X-209D TE 2995E 7251A M-123 NH-36249 (C,2) SEE DWG LT 7338A PLR FROM P D-124 X-202A-K X-230 X-218 X-206H PI 3051 TABLE 1 TYP. OF 10 SEE A H C05 23-115 P D-125 TR C21 2994 PR C55 C55 CH B1 CH A1 (D,3) M-121 NH-36247 PRIMARY CONTAINMENT ISOLATION & REACTOR A H C03 (E,4) P PCT109 C257 7860A RM FLOOD 4 C55 PS 10-119A PS 10-101A PS 5-12A PS 5-12B C56 PS 10-101C P PCT100 PS 10-119C C55 C55 PI 3050 C55 A H L CO5 PS 5-16 PI 4669 CP4A-20"-HE 3/4"-19 L O C CO4 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT CP1-18"-HE AO-2383 IS PROVIDED WITH A STANDBY VALVE TRAVEL POSITIONER WHICH IS LOCALLY CONTROLLED BY A MANUAL PNEUMATIC CONTROLLER FOR USE DPS-2572 AND DPS-2573 WILL OVERRIDE MANUAL CLOSING SIGNAL WHEN PRESSURE IN SUPPRESSION CHAMBER IS 0.5 PSI LOWER THAN ATMOSPHERE. ALL EIGHT VALVE CLOSED INDICATIONS IN EITHER ALARM CHANNEL MUST BE ENERGIZED OR BY-PASSED BEFORE THE RESPECTIVE CHANNEL ALARM ON PER MOD 81M041 VALVES SHOULD BE INSTALLED WITH FLAT SIDE OF DISC TOWARD CONTAINMENT AND SHAFT OF VALVE IN PLANE OF FIRST ELBOW TOWARD CONTAINMENT. DETAILED P & ID'S OF THE ALTERNATE NITROGEN SYSTEM/INSTRUMENT AIR SYSTEM CONNECTIONS TO THE AIR OPERATED VALVE ACTUATORS AND T-RING SEALS FOR THE PURGE AND VENT VALVES AND THE REACTOR BUILDING TO TORUS VACUUM BREAKER VALVES ARE SHOWN ON DRAWINGS NX-9769-17 L O C CO4 M-131 NH-36049-14 (B,5) L O C CO4 L O C CO3 C04 2994D PENETRATION DESIGNATION SPOTMOS DIV. II ACTUATOR SUPPLY CP1-18"-HE C04 16A-S22 HS PI 4665 SV 2381 PS 4665 NH-36049-14 SEE NOTE 7 COMMON DUAL ALARMS FOR dPS 2572 8 VALVES N2/AIR SUPPLY N2/AIR SUPPLY NH-36049-14 AO 2381 3 4072B (TYP. OF TE4073-4080) TR 4072B C289B 4072B TY TI C289B C03 L O C CO4 (B,2) NH-46162 A O C05 CP1-18"-HE A O C05 L O C C04 CGC2A-6"-CB E/S 7251A A H C04 FROM CP11A-1"-HE C ATMOS CP4-20"-HE L O C L O C CO3 (C,6) M-131 T-RING T-RING M-131 (C,5) SUPPLY ACTUATOR N2 MAKE-UP (B,2) NH-46162 M-130 PS 4664 M-131 NH-36049-14 (C,6) F.C. NOTE 8 CP11B-1"-HE C F.C. CP3-18"-HE NOTE 8 AO 2378 PI 4664 20" SV 2378 ND C04 16A-S23 HS SENSOR DESIGNATION 3 NH-36246 TE4080A TE4073A TE4074A TE4075A TE4076A TE4077A TE4078A TE4079A INITIATE LPCI M-130 N2 MAKE-UP SCRAM M-120 (B,3) TABLE 1 DESIGNATION PENETRATION INITIATE CORE SPRAY M-123 NH-36249 (E,5) X-231A X-238A X-232A X-233A X-234A X-235A X-236A X-237A NH-36247 INITIATE HPCI M-121 (B,5) ND SPOTMOS DIV. I TEMP. M-122 (B,3) NH-36248 DESIGNATION SENSOR TEMP. TE4078B TE4080B TE4079B TE4073B TE4077B TE4076B TE4075B TE4074B PS 4670 SV 2377 PI 4670 C04 16A-S30 HS CONTAINMENT L O C CO4 N2/AIR SUPPLY NH-36049-14 C04 16A-S38 HS PI 4668 M-131 NH-36049-14 (C,7) ACTUATOR LT35-1"-HE ATMOS 18" FLG DWV-7-3 1"-19 SYSTEM ISOLATION dPS 2573 & T-RING ACTUATOR (C,4) M-131 C04 16A-S37 HS SUPPLY S82 HS 2 AO 2377 F.O. AO 2380 F.O. TEST CONNECTION (TYP) " VALVE LEAKAGE AO 2379 F.C. SV 2380 NE PS 4668 C292 XFER A O CO4 PS 4669 LT37-"-HE A O CO4 DWV-7-1 NOTE 8 SV 2379 NE NOTES: DELETED DELETED AND NX-9769-18. C05 CAN BE RESET. DURING ILRT DEPRESSURIZATION. DELETED PER MOD 80M017. DELETED AS A RESULT OF MOD 81M041. dPT 2994C dPT 2994D dPI PRIMARY X-234B X-236B X-237B X-238B X-235B X-231B X-233B X-232B 2994C dPI C04 9. 5. 7. 6. 8. 2. 1. 4. 3. ND C 2 NH-36258 MONTI CAD DWG ` ' M-143 REV L O C CO3 FROM SECONDARY CONTAINMENT NH-36267 NH-36267 CONTAINMENT FROM SECONDARY VACUUM RELIEF VACUUM RELIEF AIR PURGE SUPPLY FROM REACTOR BLDG HVAC SYSTEM N2 PURGE NH-36267 M-130 NH-46162 (B,2) P&ID PRIMARY CONTAINMENT & ATMOSPHERIC CONTROL SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm LT36-"-HE 18"-Sp418 DWV-7-2 3/4"-19 CP4B-20"-HE N2/AIR SUPPLY M-131 T-RING NH-36049-14 (B,5) (C,6) & T-RING M-131 N2/AIR SUPPLY ACTUATOR NH-36049-14 VAC DWV-8-2 DWV-8-1 20"Ø BRKR VAC BRKR P D CP10-12"-JB 20"Ø 18"Ø P D DWV-12 P D SCALE: 1 NONE M-155 (B,2) (B,2) (C,1) M-155 M-155 RMG 3-12-08 APPR: APPR: CHK: DWN: APPR: CHK: DWN: 77 78 12558 DCA 5-22-08 JT 5-22-08 JJP 5-20-08 01123311 16563 CWJ 4-26-11 DDW 4-26-11 JJP 4-25-11 EC A/R EC DWN: CHK: 1 76 01121715 JJP 3-5-08 BJR 3-11-08 11951 REVISIONS EC A/R 79 AR A B C D E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 17430 APPR: JAZ 11-1-11 CHK: DWN: BAL 10-31-11 JJP 10-28-11 79 EC 79 79

V-EF-9 TO REACTOR BLDG MAIN PLENUM W & EMERG = 0 CFM (SEE NOTE 2 DWG M-155, NH-36267) S = 0-40,000 CFM V-MZ-1 S = 15,400 CFM W = 15,400 CFM A 6 V-MZ-4 B C BD EXHAUST SUPPLY F.D. FIRE DAMPER DUCT PASSAGE DAMPER FREE AIR INTAKE LOUVER BUTTERFLY SOLDERED DUCT BALANCING B.D.B.D VALVE OUTSIDE AIR DAMPER HELB DAMPER BACKDRAFT S HELB EQUIPMENT COIL COIL HEATING COOLING ZONE # S = -- CFM = SUMMER W = -- CFM = WINTER TAG NO. DAMPERS AXIAL FAN FAN CENTRIFUGAL MOTOR OPER BACKDRAFT DAMPERS BALANCE ROUGHING FILTER LEGEND C C V- -- - H C 1 S OR W EMERG. = 0 CFM W = 0 CFM S = 0-28,400 CFM NH-36263 DISCHARGE FROM V-FU-4 (HOT MACHINE SHOP) 1100 CFM - LO 2400 CFM - HI W = 18,000 CFM 4,750 CFM MIN. S = 0 CFM D E OPERATING WHEN tSS = 90° F 6 (SEE NOTE 2 DWG M-155, NH-36267) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT Energy AIR FLOW DIAGRAM - TURBINE BUILDING CABLEWAY BLOWOUT V-EF-12 B.D.D. tRS=104° F tRS=104° F 12 AC/HR tRW=60° F 3 AC/HR ELEV. 911'-0" CONDENSATE PUMPS 300 CFM PIPE AREA UNDER tRS = 130° F tRW = 100° F 1,600 CFM COND. RESIN tRS = 104° F tRW = 74° F PUMP 18 AC/HR 400 CFM B.D.D. BD tRW = 74° F tRS = 104° F 18 AC/HR tSW = 60° F tSS = 90° F BD 2 3 5,700 CFM 1,200 CFM PIPE WAY 400 CFM 5 3,300 CFM 2,400 CFM 1,200 CFM 400 CFM 200 CFM CLEAN R.W ELEV. 908'-0" 8 AC/HR SUMP 6,750 CFM 9,000 CFM 6 AC/HR ELEV. 911'-0" GLAND SEAL COND. AIR EJECTOR & SWITCHGEAR AREA ELEV. 911'-0" RAILROAD ENTRANCE ELEV. 935'-0" tRW = 100° F tSS = 90° F tRS = 130° F 6,500 CFM ELEV. 908'-0" COND. VACUUM PUMP tSW = 120° F BD 1 2,500 CFM 7,200 CFM DOOR (100 CFM EXFILTRATION) 1,900 CFM 70 AC/HR tRS = 96° F 2,200 CFM tRW = 60° F 11 AC/HR HATCH 6 AC/HR tRS = 104° F tRW = 70° F 13 AC/HR 13 AC/HR TANK ELEV. 908'-0" tRW = 74° F tRS = 104° F 3 AC/HR TANK VENT 2,200 CFM DIRTY R.W ELEV. 908'-0" 10 AC/HR 1,600 CFM SUMP TANK 550 CFM 1,200 CFM HATCH (TYP.) 4 COND. DEMIN. ELEV. 925'-0" PIPEWAY 4,750 CFM tRW=74° F SIDE OF CONDENSER NORTH TO 1,620 CFM (TYP.) HATCH PIPE TUNNEL BACKWASH RECEIVING CONDENSATE 250 CFM 22,000 CFM 104° F 140° F SAMPLE 1,200 CFM STATION 1,200 CFM 880 CFM 100 CFM DEMIN. VALVE CELLS EXFILTRATION TO COND. ELEV. 931'-0" GENERATOR 850 CFM 6,900 CFM 10,200 CFM 90° F 104° F B.D.D. V-AC-3A 150 CFM CFM 150 40 CFM C PANEL C V-AC-2 C C 90° F 2,200 CFM V-D-9302 NC, FC 7,200 CFM 9,000 CFM ELEV. 935'-0" SWITCHGEAR AREA NH-36267 M-155 tSS = 90° F tSW = 100° F tSW = 63° F tSS = 90° F C C H C V-CC-27 2 1 SUMMER VENT UNIT V-AH-1 HELB-9 tRS = 104° F tRW = 60° F 10 AC/HR HELB S = 0 CFM W = 13,500 CFM 5 TO SBGT ROOM VENT AREA 128.8 IN2 V-UH-1 C H 850 CFM ALONG WALL V-UH-20 THRU C H 20 UNIT HEATERS EXFILTRATION TO COND. 200 CFM DEMIN. TANK CELLS 4 EL. 951'-0" W = 3/4 AC/HR S = 5 AC/HR OPERATING FLOOR W = 5,000 CFM ELEV. 931'-0" ENCLOSURE PIPE & ELEC. 4.2 AC/HR NH-36035-2 TANK CELLS 3 AC/HR 3 AC/HR 3 TOTAL 100 CFM ELEV. 936'-6" CONDENSATE INFILTRATION DEMIN. VALVE CELLS ELEV. 925'-0" 2 AC/HR (TYP. FOR 8) tRW=60° F tRS=104° F 1,700 CFM 1,700 CFM 100 CFM V-EF-11 6,550 CFM 29,900 CFM INFILTRATION 200 CFM 40 CFM V-AC-3B 40 CFM B.D.D. CONDENSATE B.D.D. DEMIN. 2,400 CFM C C tRW = 60° F - 100° F V-AC-1 tRS = 125° F 5,200 CFM S 95° F 29,900 CFM V-EF-30 C C 125° F 2,000 CFM V-EF-26 B.D.B.D. BD 1,800 CFM MAIN FLOOR HATCH TO RIGGING TRAY 800 CFM S & W M-104-1 (C,2) 2,000 CFM 2 TO DILUTION AIR FANS BECHTEL JOB No. 5828 Xcel NORTHERN STATES POWER COMPANY tSS = 90° F TO NORTH SIDE 911' TUNNEL tSW = 86° F tSW = 60° F tSS = 90° F HELB-7 OF CONDENSOR BD tRS = 104° F tRW = 72° F EMERG. = 61,400 CFM 6,550 CFM S = 54,800 CFM W = 61,400 CFM 2,400 CFM 7,000 CFM 5,200 CFM VENTILATION NH-36267 STACK M-155 TO MAIN 5,200 CFM tRS = 104° F LUBE OIL COOLERS ELEV. 911'-0" RFW PUMPS 5.65 AC/HR tRW = 60° F ROOM OIL LUBE 2 1 HELB V-MZ-6 C H W = 1,000 CFM HATCH FROM WATER TREATMENT S = 6,000 CFM 3 W = 16,400 CFM tRS = 104° F tRW = 60° F S = 9,800 CFM AROUND TURBINE OPENINGS IN FLOOR CONDENSER AREA 8 AC/HR 37,000 CFM TO ZERO BD RIGGING 911' ELEV. tSW = 50° F tSS = 90° F NH-36267 tSS = 90° F tSW = 100° F M-155 SUMMER VENT UNIT S = 0 CFM ZERO TO 37,000 CFM NC, FC 7,200 CFM HELB-8 HELB N.C. N.O. 1 2 V-D-9303 2 TO REACTOR BLDG MAIN PLENUM S = 0-40,000 CFM W & EMERG = 0 CFM V-MZ-5 V-AH-2 tSS = 90° F SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36263 MONTI CAD DWG ` ' SCALE: sm NONE 1 A REV 79 M-151 H W = 8,100 CFM S = 13,100 CFM S OR W EMERG. = 8,100 CFM tSW = 30° F tSS = 90° F B C REVISIONS 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 11951 16179 RKJ 12-6-11 DDW 12-6-11 JJP 12-6-11 16307,10915 AAR 6-6-13 BAL 6-6-13 JJP 6-6-13 EC 78 S = 44,200 CFM W = 44,200 CFM APPR: CHK: DWN: S = 0-28,400 CFM S OR W EMERG. = 0 CFM W = 0 CFM 77 APPR: CHK: DWN: 76 DWN: APPR: CHK: EC A/R EC 1 D E 22453 APPR: NTM 7-15-13 CHK: DWN: BAL 7-15-13 JJP 7-15-13 79 EC 79

3,400 CFM TEMP. RANGE 68° TO 90° F TEMP. <90° F, R.A. 500 CFM SHIPPING TRUCK AREA W.C.S.P.< AMBIENT P. tRS=104° tRW=50° V-D-69 V-D-70 PUMP RM. No. 2 A B 6 REACTOR BLDG. FLOOR EL. 962'-0" 1,050 CFM BDD NH-36266 C D E (SEE MECH. DWGS.) TANK VENTS FROM T-35 -0.25" W.C.S.P. WASTE SLUDGE CELL CLEANUP PHASE & REACTOR BLDG. FLOOR EL. 985'-6" -0.25" W.C.S.P. FILTER VAULT FUEL POOL No.11 700 CFM FUEL POOL No.12 FILTER VAULT -0.25" W.C.S.P. T-47B BD V-D-68 V-D-67 tRW=50° tRS=120° 417 200 CFM BDD T-47A 550 CFM 1,250 CFM tRW=50° tRS=120° T-27 V-D-66 311 tRW=50° V-D-65 100 CFM tRS=120° BD 418 BDD FILTER VAULT -0.25" W.C.S.P. FLOOR DRAIN BD tRW=50° 419 tRS=120° 100 CFM BDD T-202A RWCU FILTER DEMIN

  1. 1 -0.25" W.C.S.P.

100 CFM P-55B W.C.S.P.< AMBIENT P. tRS=104° tRW=85° 500 CFM 411 BD 300 CFM P-55A PUMP RM No. 1 V-D-77 BDD

  1. 2 -0.25" W.C.S.P.

RWCU FILTER DEMIN 350 CFM T-202B 250 CFM V-D-78 tRW=50° tRS=120° 409 6 CFM P-33 P-56 300 CFM 1,100 423 V-D-75 300 CFM BD CFM 50 BDD 50 CFM 412 tRW=50° tRS=120° V-D-76 410 V-D-9101 FLOOR EL. 936'-9" V-D-9100 5 TIC 7927 HEATER 1,600 CFM CFM 50 dPI TS 7928 V-F-12 BDD CHARCOAL DEMISTER ABSOLUTE 600 CFM 2,200 CFM 4 ROOF EXHAUSTER (SEE NOTE 3) V-EF-52 4000 CFM O.A. M O.A. SHIPPING BLDG. M 200 CFM DRUM AREA STORAGE 3,600 CFM 5,600 CFM BD T-26 T-24 T-19 tRW=50° tRS=120° -0.25" W.C.S.P. TANK CELL COLLECTOR (SEE MECH. DWGS.) TANK VENTS PHASE CELL tRS=120° -0.25" W.C.S.P. CONDENSATE SEPARATOR tRS=120° tRW=50° -0.25" W.C.S.P. DEMIN. VAULT WASTE COLLECTOR PUMP RM No. 3 312 CFM 50 V-D-71 tRW=50° 420 100 CFM V-D-72 -0.25" W.C.S.P. WASTE COLLECTOR tRS=120° FILTER VAULT BD T-25 T-65 BDD BD BD 850 CFM 2,000 CFM 317 tRW=50° V-D-74 600 CFM V-D-73 420A BDD 100 CFM 550 CFM W.C.S.P.< AMBIENT P. P-32 1,400 CFM P-30 P-35 tRW=85° tRS=104° 5 BD BDD BDD 1,400 CFM BD CFM 850 550 CFM 1108 V-FU-1 1/2 SIZE FAN 5,600 CFM 5,600 CFM BD 4108 1/2 SIZE FAN 5,600 CFM V-FU-2 5,500 CFM EACH 1/2 CAPACITY 50 TO 400 CFM SEE NOTE 4 421 V-MZ-3 11,100 CFM BDD 4 11,200 TO MAIN EXHAUST PLENUM AIR FLOW B CFM 2214 CH. WATER V-MZ-3B BDD C H STM A V-MZ-3A 3214 BDD STM C C H SET @ 0.25" W.C.S.P. 310 CFM 1,700 50 CFM tRS=72° FILTER MAY BE REMOVED AND REINSTALLED BY PROCEDURE. REQUIRES SPECIAL PERMISSION TO RUN DUE TO CONCERNS OVER UNMONITORED HIGH RAD. LEVEL STORAGE DESIGNED FOR OPERATION AT HALF CAPACITY UNDER WINTER CONDITIONS OR AS REQUIRED UNIT V-MZ-3 AND MAIN EXHAUST UNITS V-FU-1 AND V-FU-2, THESE UNITS ARE AIR FLOWS SHOWN ARE SUMMER DESIGN FLOWS FOR AREAS SERVED BY MAIN SUPPLY INDICATES ITEM FURNISHED WITH PLANT OPERATING EQUIPMENT. 3 CFM 200 200 CFM INFILT. 641 CFM 11,200 CFM 4,600 CFM 880 CFM RADIOACTIVE RELEASES. IN THE INTERMEDIATE SEASONS. 3. 4. 2. NOTES: 1. BD 144 880 CFM 880 CFM 880 CFM 880 CFM BD BD BD BD BD 800 CFM 143 +0.25" W.C.S.P. COMPACTOR WASTE CFM 350 2 142 750 CFM EX. HOOD 140 800 CFM LOW RAD. LEVEL STORAGE -0.25" W.C.S.P. tRW=50° tRS MAX.=104° tRS=85° 4148 1,660 CFM CFM 1,800 CFM BD & WBDD (OPERATING GALLERY) tRS=72° 600 tRW=72° 910 310 V-MZ-2 100 TANK ROOM LAUNDRY DRAIN 0 MIN. 350 MAX. V-EF-13 H&V EQUIPMENT RM. No. 1 CFM 250 V-HC-4 600 CFM V-UH-21 300 500 CFM TEMP. RANGE 60° TO 74° F 350 CFM TEMP. RANGE 68° TO 100° F 1,700 CFM BD 700 CFM 400 CFM CFM 250 130 400 CFM BD 400 CFM CONTROL ROOM tRW=72° -0.12" W.C.S.P. tRS=104° tRW=55° TANK ROOM 148A H&V MECH. EQUIP. tRW=50° ROOM No. 2 CFM 300 CFM -0.25" W.C.S.P. 1,050 CFM tRS=104° BD STM 450 CFM BD 3 BARBER COLMAN No. 10, OR APP. EQUAL HIGH VELOCITY INDUCTION UNIT V-HC-1 TEMP. RANGE 68° TO 80° F 4 C BD BD 3 550 CFM 2 1 C BD BD H W.B.D.D. SET FOR 0.25" W.C.S.P. 400 CFM CH. WATER 148 BD 2213 H C C C STM H 149 BD C STM 6,800 CFM STM 800 CFM 250 CFM 50 CFM tRW=50° +0.25" W.C.S.P. tRS=104° CFM 150 100 HOPPER No. 1 tRS=104° tRW=50° -0.20" W.C.S.P. 250 CFM -0.20" W.C.S.P. tRW=50° tRS=104° HOPPER No. 2 2,000 CFM L29, CKT. 6 V-EF-16 CFM 50 600 CFM 50 CFM 1,800 CFM 100 W.C.S.P.> AMBIENT P. BD H STM C tRW=72° CORRIDOR tRS=72° CFM CFM 145A CFM BD 152 151 141 310 910 1,800 CFM 150 310 CFM CFM 910 CFM 910 CFM 70 CFM 70 CFM BD BD BD & BDD V-HC-2 TEMP. >90° F 500 CFM EXHAUST (SEE NOTE 3) BD & BDD V-HC-3 tRW=50° tRS=104° CENTRIFUGE No. 2 -0.125" W.C.S.P. -0.125" W.C.S.P. CENTRIFUGE No. 1 H MAX. 500 CFM MIN. 150 CFM 900 CFM 150 5,000 CFM STM C 322 CORRIDOR W.C.S.P.> AMBIENT P. 900 CFM tRS=72° tRW=72° 319 320 STM H 321 C BD 70 CFM 830 CFM 830 CFM 70 CFM 70 CFM 830 CFM 830 CFM tRW=50° tRS=104° BD 2 1 RADWASTE BLDG. EL. 935'-0" A B OR APPROVED EQUAL MFD. BY A.A. FILTER Co., "ROTOCLONE" TYPE "W" AS 7 1/2 HP No. 8 4122 V-CF-1 RADWASTE BLDG. EL. 947'-0" RAD. WASTE DRAIN SYSTEM TO CLOSED DM-256 800 CFM CFM 450 CFM 450 CFM DEMIN. WATER RADWASTE BLDG. EL. 965'-6" DWN: APPR: CHK: 1 76 REVISIONS 01121715 JJP 3-5-08 11951 RMG 3-12-08 BJR 3-11-08 EC A/R C D E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36266 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-154 G Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm AIR FLOW DIAGRAM RADWASTE AREA REV 77 77 441 CFM BD MACHINE SHOP HOT 441 CFM INFILT. 77 15644 APPR: CB 10-13-11 CHK: DWN: AWL 10-12-11 JJP 10-12-11 77 EC

dPT 1800 XJ 1160 1 "-65 1 "-65 CW-42 TANK T-63 VACUUM CONTROL SW-75-1 SW-75-2 C101 (NOTE 1) GATE ISOLATING CW-51-2 VENT NH-36489 VENT A B C N.W. N.W. D TE 5011 8 CW-51-1 10" EPA HOT WATER SPARGER LINES M-800-1 NH-36489-2 (B,8) (B,5) 1" CW-52-2 2 1/2" 1" 2 1/2" CW-52-1 T CWT101 CW-16 36"-456 TT 5011 RTD CW-12-2 CW-12-1 A L C06 A L C06 FOR 4 C.W. GATES PUMP P-50B BKR 2120 WATERBOX SCAVENGING SEPAR T-62B WATER 12 N.W. CONTROL CIRCUIT M-811 NH-36665 (A,4 & A,7) PUMP TRIP C 12 PI 2479 5" 5"- 1 "

PUMP P-50A BKR 3120 WATERBOX SCAVENGING V26 V46 ATMOS WATER SEPAR T-62A 11 N.W. ATMOS 8 11 PI 2478 5"- 5" 1 "

L CWT110 C101 SW-76-2 C06 1853A LS TDR 95-34 5"-54 CW-11-2 1 "- SW-77-2

C101 LS 1853B LT 1853 SV 1910 C06 C06D-2 E/S

1 "-65 SW-78-2

1 "-65

C06 1853A LI N.W. 5"-54 CW-11-1 SW-77-1 1 "-

6"-54 SV 1909 CW-43 1 "-65

SW-78-1 SW-76-1 1 "-65

CW-116 CW-118 VRV 1913 CIRCULATING WATER PUMP TT 1808A RTD 36" DE-ICING LINE S-100B - BKR-2314 S-100D - BKR-2315 CW GATE (TYP OF 2) MOTOR OPERATED 7 6 SWB-6A & 6B STILLING WELLS T CDR105 TT 1805 T-221 TX 1812 AI-812-2 AI-812-1 AI-811-1 AI-811-2 TT 1806 T CDR106 TX 1811 M-110 NH-36041 (E,5) FIC 1853 SERVICE WATER SW-74-2 1 "-65

LI 1853B YS 1908 C101 SW-74-1 1 "-65 CS 42-3120 CS 42-2120 LG 1917 PS 1916

YS 1907 PS 1915 7 PI 1914 CW-117 T-220 MO 1157 HS 1157 L O C C06 RTD RTD L O C 3117 BKR V25-6"-JB XJ 1161 90" N.W. dP CDR100 C06 1801 dPI C06 C06E-4 E/S dPT 1801 TX 1814 6 XJ 1817 & O/L CWT132 MO 1851 TE 5044 SX 1845 HS 1851 5044 12 BKR 152-405 P-100B VC 5611 VS 5611A T TT VS 5611B CW-113 5 XJ 1849 CWT130 TE 5042 T TT 5042 TE 5040 5040 CWT119 TT T MV/I C101 MV/I C101 POS 1851 PI 1847 BKR 1331 78" TE 5034 CWT108 T MV/I C101 RTD LP CONDENSER T CDR103 L CWT109 TDR 95-33 (NOTE 2) BYPASS 4"-54 CW-9 CW-10-3 A C06 C06 CW-44-2 A H C06 C06 152-405 CS C 4"-54 CW-10 C C06 1852A LS A TRIP C06 C06 43-102 CS PUMP TRIP C L A VAR 1861 VAR 1859 CW-10-9 TT 1808C (WEST) CW-10-7 CW-10-1 CW-91 2" 4" 4" TT 1808B RTD CW-10-8 CW-10-2 1" 1" 1" 1" 1808D RTD TT RTD C06 1852A LI LT 1852 CW-44-1 LS 1852B L O C C06 90" C101 90" C101 C06 C06D-1 E/S 4" 4" LI 1852B PT 5303 C101 90" C06 1800 dPI (EAST) CW-90 C06 C06E-3 E/S 12 E-1B 5 dP CDR108 2" XJ 1838 2" VAR 1856 HP CONDENSER CW-10-12 1" (A,8) M-800-1 NH-36489-2 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT CV 2589 D21-08 CKT CIRCULATING WATER PUMP A TRIP C06 CW-9-12 CW-10-6 CW-9-6 (C,5) NH-36489-2 M-800-1 4 STILLING WELLS (NOTE 1) ISOLATING S-100C - BKR-1315 MOTOR OPERATED (TYP OF 2) S-100A - BKR-1314 108" 108" GATE C06G-1 E/S C06 CW GATE VENT 108" SWB-5A & 5B BKR 152-305 P-100A 11 VC 5610 VS 5610A CW-9-2 CW-9-8 1" CONDENSER WATER BOX VAR 1858 C101 P CWT100 FIC 1852 4" 3116 BKR HS 1156 MO 1156 CW-9-1 L O C C06 AI-813-1 AI-813-2 AI-814-2 AI-814-1 CW-9-3 4" L O C CW-92 1" CW-9-9 CW-9-7 VAR 1860 4" 4 CW-47 TR 1804 90" C20 VAR 1855 TIMER M-131 NH-36049-3 (B,3) A/S PUMP-DOWN C 1" HS 2589 N.D. A H C06 SV 2589 CW PUMP CW-8 TRIP 1" CW-46-1 1" 90" 1" VAR 1857 CW-9-11 CW-10-5 CW-9-5 1" 1" VAR 1854 4" (C,1) & O/L CWT129 TE 5041 TT 5041 C101 MV/I XJ 1848 3 MO 1850 SX 1844 HS 1850 CWT131 MV/I C101 T TE 5043 TT 5043 VS 5610B CW-112 MV/I C101 CWT118 T TE 5039 TT 5039 T 78" PI 1846 POS 1850 BKR 2316 NH-36664 (B,6) SYSTEM WATER M-112 RHR SERVICE TE 5033 RTD CWT107 T SW6-24"-JF M-800-1 (B,8) NH-36489-2 dPT 1799 TT 1807B CW PUMP TIMER M-131 NH-36049-3 (B,3) POT 1155 L O C C06 D11-08 CV 2509 ATMOS C06 152-305 CS C 1" 4" 2" 2" HS 2509 90" L O C C06 SV 2509 N.D. MO 1155 C06 1155 POI HS 1155 CKT L O C TRIP 6" T CDR104 CW-9-10 CW-10-4 CW-9-4 4" 1" 4" 1" 1" 3 C06 C06E-2 E/S dP CDR109 C06 1799 dPI CW-46 TT 1807A RTD CW-45-2 NH-36046 DISCHARGE RADWASTE M-140 INTERLOCK TO A/S BKR 3115 78" INT N.F. INT. L.F. XJ 1159 PX 1862 108" C06 POI 1154 C L O CW PUMP TRIP M-131 NH-36049-3 (C,3) TIMER A/S TT 1807C RTD RTD CW-10-11 (WEST) HS 2590 SV 2590 N.D. 1" CV 2590 D21-08 CKT TX 1813 NH-36489 MONTI CAD DWG ` ' M-800 REV CLOSED CYCLE SEQUENTIAL BYPASS SWITCH. DISCHARGE STRUCTURES. INTERCHANGEABLE USE AT INTAKE AND TWO CONCRETE GATES PROVIDED FOR P&ID CIRCULATING WATER SYSTEM Energy NORTHERN STATES POWER COMPANY 2 NOTES: Xcel 1. 2. sm 1 SCALE: NONE dPT 1798 dP CDR110 C06 1798 dPI C06 C06E-1 E/S L O C C06 PX 1864 CW-45-1 HS 1154 MO 1154 BKR 3108 POT 1154 6" PX 1863 XJ 1158 78" INT. L.F. INT N.F. HS 2510 N.D. CW-10-10 E-1A CV 2510 D11-08 CKT 1" 11 ATMOS 2" 4" SV 2510 2 1" (EAST) TIMER M-131 NH-36049-3 (C,3) A/S CW PUMP TRIP XJ 1818 TX 1815 T CDR102 TX 1816 SERVICE NH-36041 (E,3) SYSTEM WATER M-110 TT 1810C TT 1810D TT 1810B TT 1810A SERVICE SYSTEM NH-36041 M-110 (E,6) WATER SW4-12"-JF SW8-14"-JF 20" RTD RTD RTD RTD T CDR101 TT 1809B TT 1809A TT 1809D TT 1809C RTD RTD RTD RTD REVISIONS 1 84 T A B C D 20419 APPR: JCG 9-25-12 CHK: DWN: BAL 9-25-12 JJP 9-24-12 82 EC CW-120 CW-119 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 18765 APPR: JCG 8-13-13 CHK: DWN: BAL 8-12-13 JJP 8-7-13 83 EC 24667 APPR: BJR 5-21-15 CHK: DWN: BAL 5-20-15 JJP 5-19-15 84 EC PI 1855 84 PI 1854 84 PI 1861 PI 1857 84 PI 1860 PI 1856 PI 1858 I-CWT-R-1858 TYGON TUBE USED FOR WATERBOX LEVEL INDICATION PI 1859 I-CWT-R-1859 84 TYGON TUBE USED FOR WATERBOX LEVEL INDICATION TYGON TUBE USED FOR WATERBOX LEVEL INDICATION TYGON TUBE USED FOR WATERBOX LEVEL INDICATION

PT 5304 COOLING TOWER PUMP PI 1867 NH-36489-3 POS 1871 C06 2" DRAIN (TYP) CW-19 2"-65 BKR 152-802 P-101B COOLING TOWER PUMP BKR 5106 RTD TO COOLING TOWER PUMPS MOTOR CIRCUITS MO 1872 HS 1872 CW-50 PI 4837B M-800 NH-36489 (A,2) A 8 108" (NOTE 1) P-134B GATE ISOLATING C06 C06G-3 E/S P CWT117 3" 12" PI 1868 PT 5305 NH-36489-2 B C D FROM DIRTY DRW-62 M-800 NH-36489 (B,2) VAR 4836B NH-36046 M-140 SYSTEM (B,1) RADWASTE M-800 NH-36489 (A,8) 10" PUMP TRIP C06 C POS 1872 L O T CWT102 TE 5048 RWN28-2"-HC 3/4"-19 DRW-56 CV 3374 N.E. 8 SV 3374 N.E. CV 3375 SV 3375 HS C102 MO 1871 HS 1871 CW-49 PI 4837A MO 1874 C XJ 1870 5104 7 6 T CWT125 TT 5030 TE 5030 TE 5026 T CWT121 TT 5026 TT 5028 T CWT123 TE 5028 C102 MV/I C102 MV/I A C102 VC 5613 VS 5613A 12 VS 5613B C T CWT106 TE 5032 C102 MV/I RTD TRIP & O/L 5 SLUICE GATE S-103B BKR 108" ISOLATING (NOTE 1) P-134A GATE 12" 3" C06G-4 CWS-1 1 1/2" E/S P CWT116 C06 FI 2895 COOLING TOWER (D,2) AIR SYSTEM M-131 NH-36049-17 SEE NOTE 3 FIC 1875 M-131 NH-36049-17 (D,5) LI 1875B C06 1875A LS LT 1875 LS 1875B HS C06 66" A802 C84B C L L CW-37 L C06 C06D-3 E/S L CWT111 108" C102 C06 1875A LI C102 C102 N.E. 3377 CV AI-784-2 C102 C A AI-784-1 C102 HS 1874 DRW-57-1 3/4"-19 A L C06 C102 C CV 3376 3/4"-19 DRW-57-2 AI-783-2 C102 N.E. C102 DISCHARGE STRUCTURE 3377 SV 7 A C06 NH-36049-17 (D,5) HS C102 M-131 3376 SV C84B TROUBLE C06 A FAN TROUBLE 6 FI 2474 VAR 4836A NH-36489 HS C06 O L C DRW-60 2"-130 DRW-61 2"-130 AI-783-1 C102 C102 2"-130 DRW-59 DRW-58 2"-130 C102 HS 1900 M-800 (A,4) M-800 NH-36489 (A,8) 10" FI 2476 C MO 1900 L O C C06 FI 2475 84" 5001 FI 2477 BKR 2" 2" 2" 2" FAN TROUBLE (COMMON FOR E-100B FANS) FIC 2467 TX 1878 VS 1890 THRU 1898 C06G-5 2389 C06 L CWT113 LT 5202 LI B6 E/S C06 TRIP HS B6 C06 C HS TYP FOR 9 FANS TRIP A C102 TOWER 60" 60"-455 CW-4-2 RTD T CWT115 TE 5036 96" E-100B 2"-65 CW-20 B6 5 COOLING 12 L CWT112 B5 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT MO 1873 C XJ 1869 4 VS 5612B T CWT122 TT 5027 TE 5027 C102 BKR 152-702 TT 5029 T CWT124 TE 5029 C102 MV/I 11 P-101A (B,7) M-800-2 VS 5612A VC 5612 A C102 TE 5031 T CWT105 TT 5025 T CWT120 TE 5025 MV/I C102 MV/I RTD & O/L TRIP 3 TT 5013A RTD 1 1/4"-JB* (TYP) TE 5013A NH-46144 TO SAMPLING M-158 SYSTEM (C,7) SLUICE GATE S-103A CANAL TO RIVER BKR 5103 TT 5013C TE 5013C TT 5013B TE 5013B RTD TT 5013D TE 5013D RTD RTD S-106A DRAIN GATE 60"-455 SLUICE GATE SEE NOTE 3 S-105A 60" CMP 60" CMP 54" CMP 18" CMP 54" CMP C84B A702 BKR 5105 C O L 66" C C06 HS L S-105B SLUICE GATE C L C102 L TO CANAL ONE OR MORE FANS RUNNING ONE OR MORE FANS NOT RUNNING 3377-1 COOLING TOWER FANS K-100K THRU N AND P THRU T K-100A THRU H AND J 60" TX 2473 LS 3377-2 CW-3-2 60"-455 S-106B DRAIN GATE A L C06 LS 4 L C06 L C06 C06 L OVERFLOW 78" 3376-1 LS LS 3376-2 TX 1877 A C06 C06 L L 18" CMP STOP LOG SLOTS (TYP) SCREEN (TYP) HS HS 1873 L C06 O C 84" L BKR 5002 C MO 1899 C C06 O 1804 TR C20 T CWT103 HS 1899 C102 60" 60" TOWER E-100A 2" DRAIN (TYP) 60" CW-4-1 2"-65 CW-18 2"-65 CW-17 COOLING 11 3 FIC 2466 LT 5201 CW-3-1 60"-455 RTD TE 5035 T CWT114 TX 2472 C06 2388 LI B5 E-100A FANS) (COMMON FOR FAN TROUBLE TYP FOR 9 FANS TRIP VS 1881 THRU 1889 B5 C06 C06G-2 E/S HS C102 TRIP A C C06 HS NH-36489-2 MONTI CAD DWG ` ' M-800-1 REV 2 1 CLASS JB OR HDPE (REF EC 21637) CLOSED CYCLE SEQUENTIAL BYPASS SWITCH. USE AT INTAKE AND DISCHARGE STRUCTURES. TWO CONCRETE GATES PROVIDED FOR INTERCHANGEABLE CIRCULATING WATER SYSTEM P & ID NORTHERN STATES POWER COMPANY Energy Xcel sm NOTES: 3. 1. 2. SCALE: NONE 81 A A FI 2894 C84B COOLING TOWER AIR SYSTEM M-131 NH-36049-17 (B,6) 2 DWN: APPR: APPR: CHK: DWN: CHK: 77 76 12799 JCG 7-1-08 BAL 7-1-08 JJP 7-1-08 EC REVISIONS 1 01121715 JJP 3-5-08 11951 RMG 3-12-08 BJR 3-11-08 EC A/R B C D 11603 APPR: JCG 11-16-12 CHK: DWN: BAL 11-14-12 JJP 11-14-12 78 EC HS 1873-1 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 21637, 18765 APPR: CWB 8-6-13 CHK: DWN: BAL 8-6-13 JJP 8-6-13 79 EC SWB-7A SWB-7B SWB-8A SWB-8B

  • SEE NOTE 3 22533 APPR: JCG 5-12-14 CHK:

DWN: BAL 5-12-14 JJP 5-12-14 80 EC HS 1874-1 21202 APPR: JCG 10-19-15 CHK: DWN: BAL 10-16-15 JJP 10-13-15 81 EC 81 81 81 AI-786-1 C102 AI-786-2 C102 AI-785-2 C102 AI-785-1 C102

EMER GEN. FP-196 FP-199-2 FP-126 8 A B 7 6 RADWASTE BLDG L.O. HYDRANT VALVE DETAIL 1 ELEVATION VIEW STREET OPERATOR 'T' HANDLE ACCESS FOR DRAIN HYDRANT VALVE GRADE HANDWHEEL FOR FP-146 FP-147 L.O. FP-148 L.O. L.O. FP-187-1 FP-187 M-134 NH-36048 (C,3) M-134 NH-36048 (B,3) FP-194-1 FP-194 FP-194-2 14 26 SWITCH YARD FP-229 FP-232 FP-198 18 FP-198-2 20 FP-200-2 FP-198-1 FP-228 FP-200 L.O. FP-200-1 FP-162 L.O. L.O. TO SAB 24 FP-38 FP-161 FP-227 FP-290 FP-49 FP-114 FP-230 L.O. L.O. FP-187-2 7 FP-37 ACCESS SECURITY FACILITY FP-36 L.O. FP-231 19 L.O. M-134 NH-36048 (A,8) M-134 NH-36048 (A,8) GUARD HOUSE DRAIN FP-32-1 5 4 3 FP-196-1 FP-196-2 16 25 FP-191 FP-191-2 FP-199-1 FP-199 FP-35 FP-291 11 FP-33 FP-20 L.O. L.O. FP-34 FP-191-1 STREET OPERATOR FOR VALVE SPRINKLER ALARM VALVE POST INDICATOR VALVE DELUGE VALVE S D (SEE DETAIL 1) HOSE HOUSE ON GROUND LEGEND FP-193-1 FP-219 NH-36048-2 L.O. SEE DWG FP-193 FP-193-2 FP-31 13 FP-32 NH-36516 Energy Xcel NORTHERN STATES POWER COMPANY 2 1 FP-197 MONTICELLO NUCLEAR GENERATING PLANT This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. FIRE PROTECTION SYSTEM YARD AREAS FLANGED CONNECTION FOR STORTZ COUPLING. NOTE 1. sm FP-195 FP-29 FP-195-2 FP-195-1 15 L.O. FP-30-1 DRAIN FP-30 17 FP-197-1 FP-197-2 ASME CLASS 2/QUALITY GROUP B ASME CLASS 1/QUALITY GROUP A M-810 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C NONE SCALE: COLOR LEGEND REV 83 S A FP-28 B FP-189-1 FP-189-2 FP-150 FP-184-2 NH-36516 C FP-185-2 FP-185-1 5 FP-183-1 FP-183-2 3 D 8 SODIUM HYPOCHLORITE BLDG L.O. RECOMBINER BLDG L.O. FP-39 FP-185 FP-183 FP-41 L.O. FP-40 STORAGE TANK STORAGE TANK CONDENSATE CONDENSATE CO2 & STOR. H2 FP-42 L.O. FP-181-1 FP-181 FP-181-2 1 DIESEL GEN FP-44 M-134 NH-36048 (C,1) BLDG L.O. L.O. L.O. FP-43 FP-45 7 ADMIN M-134 NH-36048 (B,8) BLDG REACTOR BLDG TURBINE BUILDING ADMIN BLDG ADDITION SECURITY 9 M-134 NH-36048 (C,1) HEATING BOILER BLDG FP-156 EFT L.O. 4 FP-184-1 SWITCHGEAR M-812 NH-36666 (D,6) (D,1) TURBINE BLDG ADDITION TANK L.O. DIESEL FIRE PUMP STRUCTURE INTAKE FP-15 FP-182 2 NON 1E 13.8KV ELEC ROOM FP-182-2 DIESEL GEN FP-182-1 6 COOLING TOWER FP-24 FP-122-1 FP-124-1 FP-118-1 FP-120-1 WAREHOUSE 1 & 2 FP-127 FP-19 L.O. FP-189 S FP-151 L.O. FP-149 L.O. L.O. FP-184 FP-18 L.O. FP-127-1 FP-186-2 FP-186 FP-16 FP-21 FP-17 L.O. L.O. L.O. FP-22 FP-186-1 6 5 PEB/TSC

  1. 12 4

FP-188-2 FP-188 FP-23 FP-188-1 SEE NOTE 1 8 3 FP-192 TOWER FP-121-1 FP-119-1 FP-125-1 FP-123-1 COOLING L.O. FP-124 D D L.O. FP-116 FP-120 FP-118 FP-122 D D L.O. L.O. L.O. FP-125 L.O. D D FP-121 FP-119 FP-123 L.O. L.O. D D FP-115 L.O. 10

  1. 11 12 FP-26-1 FP-192-2 FP-192-1 DRAIN FP-190-1 FP-25 FP-190 FP-190-2 FP-24-1 DRAIN FP-26 2

EC 17089 80 APPR: CHK: DWN: FP-27 NEO 12-27-11 PEB 12-27-11 JJP 12-27-11 C REVISIONS APPR: CHK: DWN: 79 CHK: DWN: APPR: 78 CHK: APPR: WMS 10-9-09 TJF 5-18-11 WGN 5-21-11 15270 WMS 5-21-11 EC JJP 10-8-09 RMG 3-12-08 14085 BJR 3-11-08 DDW 10-9-09 EC CHK: APPR: 77 DWN: 76 DWN: AJM 7-12-07 11951 AJM 7-12-07 JJP 7-9-07 JJP 3-5-08 01121715 EC A/R 906 1 EC D DWN: CHK: APPR: 81 BAT 11-6-12 AWL 11-6-12 TJF 11-6-12 15645 EC ROOM 23478 APPR: AJR 3-27-15 CHK: DWN: DAM 3-27-15 JJP 3-27-15 82 EC FLEX STORAGE BUILDING FP-275 L.O. FS 7973 PI 7973 FP-276 FP-282 FP-283 FP-284 FP-285 FP-286 DRAIN EXTERNAL WATER SUPPLY (INTAKE) FP-287 SPRINKLER RISER 24364 APPR: DAM 7-7-15 CHK: DWN: AJR 7-7-15 JJP 7-7-15 83 EC 83

~ NE 36640 2 -~- 1 -*ii~-=-*aovMcc-e33--- "(I:: - ~ DG INLET I

  1. 142-480V MCC 842 I

I I~ I I I RECPT. I I I~J +/- I I RCP-3315 IRCP-33151 = f 1 2 3 4 ,..----- L 1,L2,L3 G

  1. 6
  2. 12 I [Q!.Q J 150A Ill AWG AWG I

( I Q.1.Q. I II J) 50A II I I D10 I Ql. T I J) J) J) ~~~A I L1 L2 L3 G I Pt Nl I I Ole. c I ISCHEME 83315 e.~315 L,_2 L~ 1 I scHEME R3315J Tl~~o~A.,.tJ

SCHEME 64205 6~::LI L2 L.S I #143-48(

MCC 843 I I 1~411~ I I I L1,L2,L3.--., I I ~

  1. 6 AWG I

t t t NOTE 21f'-M..-'-O --.1 I 1 ) I) I)~~~ l B<ISIJ ¢ ¢ I I Ll l2 L~ SCHEME 84315 '-- _D20 f- ___ 1- ________ 1 '...L 400A TIME DELAY -, ALARM-~ ~ - - - - - - _, L -- r- -- ~- _j /,6 y--.. r SHUNT -~ A -:ARM -..-J- -

  • DWG E-3£ r---+---+---+-

.. ----\\--t-

  • "it-t-t--,

.L /so\\ A l l ZOO A owe E-S2 I L1 L2 L3 L1 L2 L3 L ~ ~ '3-; ~

  • OO-O-eM
  • l

!lO MV 114_BATTERY 040 FCR INTE~NAc WIRIN~ ~tE BATTERY CHARGER02.0 FOR INTERNAL WIRING &EE 2!,2 FOi.,~~~~ le-L,s;::_;;.:}EE cl, cl, 1 ~ ~~~ c~~~'[¥.::ffY~-j.-f-+=._.,1JX:=~73_ 18_ 1,.2 200- O-eog:a ~ UNoi'/:tiAGE --c:>-+-"' -ljX-9173-18-1,-2 ALARM rowe. E*Se*l Y....--!-411 &HUI'IT A [ 200 A 'SO I*W BATTE~P~~¢"GER --.o--t-!"l.:e-.,I, l;-;~_ 1, ?~;;- '-u=-~ , 01 n ~ ~ ~ P! N! OR HIGH VOLTAGE 1

  1. 14-125\\1 MillRY CHARGER.!liQ P""

N<IOR ~~'(\\j,~AGE 1 11 UNDERVOLTAGE 80 AMPS , """"I ~ Oil (~~~':"(~) I . J PT BO AMP NT 1

  1. 12-125V BATIERY CHARGER 020 80 AMP

'---'""";;-=-~ - - - - I DG INLET I RECPT. I RCP-4315 IRCP-43151 I 1 2 3 4 V"-L1,L2,L3 G I

  1. 6
  2. 12 I

,-,L_-, AWG AWG I I D2o I I L1 L2 L3 G I L 1-f-

"' '3 -:: '="

I I I N N N 00 00 00 t; ~ ~ <( I I ~E~ R~5_j NOTES: I. GROUND DETECT0!1 (GOR -1 ~ GDR -2.) AND DWN: JJP 8-14-08 VOLTAGE RELAYS (BVR-1 & BVR-2) ARE CHK: PEB 8-15-08 INSTALLED ADJACENT TO DISTR. PANELS APPR: RES 8-15-08 AND WIRES AS SHOWN. ~EC12877 e.. MANDATORY ROUilNG f>EPARATION OF" ~CHEME BSSIS fROM SCHEME B'l31S DWN: JJP 12-5-08 !.. ~EE !>HEEl ~ I'O'R fU!;e TYPE ( APPLICATIONS

4. & -COMPUTER INPUT BATXXX -COMPUTER POINT :IO (SEE DWG. NE*36723)

CHK: RES 12-9-08 I APPR: MFP 12-10-08 78 EC 13284 r-- DWN: JJP 4-8-10 CHK: BAL 4-8-10 APPR: RES 4-8-10 OR HIGH VOLTAGE I I ~ ~ 1.. __ 0::::, ( +) ( _) e!1 (C013*A*I'5) -<:>-+~~- -.J ~T( +) ' T( _) (E~~':"i';) ~t.J

H r'(+)

5~E NF-3<.109,/L-----t-:-'--+...;_ ___________________ ___J ~ __ 36 ~709 _ _71----~-~------->,o;;;;:;;:;;;;;;;:::::::;;;;;::::.,..., 011 o SEE N f' - 3 r, "70 c:{ ~EC25350 DWN: NJM 4-6-15 CHK: AJR 4-6-15 APPR: NJF 4-6-15 It r SEE NF 'S709* _../ ~ ""' ~ I 1.illlli / ~ 1Jl_OA 0~ Il40 021 I 1 OOA / "' 1 OOA I~ 020 L-----------------------<:~P-5~ ~: $~ ! i _ C P& P6 --<)-'-1 6 -..--{..._..LJ]f-A'i -+---+-- i ~ _,6l P8 '-------------------------<:>- u* I 'l.illlli C, -~ 1~ 'Y' I ~ IOOA 1

  • ~ Y I

~ ~~ ~ N~~o-------------------4----------~--N& NB~----~ I "'L-L" ~:::: ~~ I .. ~ _ ~ -- I ALARMS ALARM-5 l:lwG ~-";'3 01 I COM

  • 11 IZ'SV DC BUS

-J: 6ROUNO FAULT I ~ _,. I -1r11-r-----------___,1,_ $w._-£:] =~L~*--+-~t--" i-u..:::JJ

~

$w~---, ou 125 V DC DIS T RIB U T 10 N 021 o

$ =

~ '1L..lf $ SP ~N I . :Y. + GDR*I G* llWG E" -~'3 .-------*oe* rC0._"1T<l.._ #12-125V DC BUS GROUND FAULT .--t-ee GDR-2 N_of -== NOTE 1--) Dll COM

  1. 11 125V DC BUS

+ VOLTAGE HIGH/ NC1 NOTBVR-1 LOW ~ ll'll-125V DC BUS SCHEME Dl (rXC!PT AS NOiEO) C.O'+ ~ lli I _. l t--H--+.. - I~ l -~ SATIOI BAT/02 C.r--=<)-1:....16..-w-<<:::D---f'!,___, __ --1-*~.: w I~ .J.,......., Y NOTE '4 NOT£ 4 '"' y

  • ~

I #11-125V DC DISTR. PANEL D11 T I

  1. 12-125V DC DISTR. PANEL D21 I SEE SCHEDULE SH. 3 FOR SWITCH I

NIOI SEE SCHEDULE SH. 3 FOR SWITCH I & FUSE RATINGS PANEL ARRANGEMENT P'f N7 PIO I & FUSE RATINGS PANEL ARRANGEMENT ~CIRCUIT NO'~ ______ I k_CIRCUIT NO'L _____ _ 0111 f- - ~ 10 01 I ~ ~ I

~*

~: I~ -~1 I #111-125V DC DISTR. PANEL D111 I I SEE SCHEDULE SH. 3 FOR SWITCH 1 & FUSE RATINGS PANEL ARRANGEMENT L..&. <,;JEC.lll,T liP'S.. _ _ _ _ _J TURS. BLO<O. EL. 911 WE'i>T J l 0211 I---- -- ----, iO,.. 01

o.

t:9:: I w i *---+-- 1

  1. 121-125V DC DISTR. PANEL 0211 I

I SEE SCHEDULE SH. 3 FOR SWITCH I & FUSE RATINGS PANEL ARRANGEMEN~ & CIRC.l.!JI NO'S. _ TURI3. 13LOO

  • EL
  • 9 as WEST il' 12-125V SCHEME

~.L--N-D-TE-1 -{..,---' DC BUS

  • 1e-1asv oc e.u"ll VOLTAC.~ f-IIG,></

LoW 0 2 ( E)(CEPT A'i> NOIEO)

  • I I*

,- !)0() MCM rMO M CM PI, Nl P2,N2. lil'o~~2.~f--J:..__Qogi:=JI l[];oeC}---J:__Co~z~a]l I r !SOO MCM ~ P!,li! ( 500 MCM P4,N4 .---------L--,1 lr,P5,N5 L--' P7,N7 lr'P6,N61r P6,N6 ~'"P10 1 ~10 I" P8,N8

  1. 2 AWG 250 MCM

§2 AWG

  1. 2 AWG 250 MCM
  2. 2 AWG I"!L_._I o....,l I !!ill I I.W;Q.

I I ~ I I..ll2.0. I SCHEME Dl MANDATORY ROUTIN6 \\fPIIIIIITION or !;C~EME 01 FROh>l Ol

  • I This map/dn* *~~nf is to assist in the performance of their jobs.

Your safety is provided

  • ~;>~ing safety practices, procedures and as described in safety manuals and SPAR's.

125V DC DISTRIBUTION ELECTRICAL SCHEME ~EC23475 DWN: JJP 4-9-15 CHK: BAL 4-9-15 APPR: DJS 4-9-15 L ~~~~ E 110 2 MONTICELLO NUCLEAR GENERATING PLANT I SCALE: NONE I REV 80 1}, X eel [nergym NE-36640-2

L NE-36640-3

  1. 11-125V DC DISTRIBUTION PANEL ill1 (F.P. #5828-E12-1)

SCHEME CKT SWITCH FUSE AMPS LOC. ROUTING WIRE NUMBER NO RATING NOTE 2 DESCRIPTION ii'ERAU SIZE AMPS NOTE-1 D1 1 100 100 111-125V 0~1 Cl 12 Dl 2 100 100 114-125V DAI 12 Dl103 3 30 30 RECIRC. PUMP MG SET CUNIKUL PNL 2-184-IIA Z4-11A D2103 10 I Dl104 4 30 30 FIRE eKL tL IIUN C20 10 Dl105 5 30 30 DIV I ATWS ~ 9-95 D2105 II 0 1 Dl106 6 30 30 REACTOR WTR CL UP & RECIRC BENCH BOARD C04 D2106 10 D1107 7 30 30 PLANT FVAriiATION SIREN cvN, KvL N3106 10 Dl108 8 30 30 LK & BENCH BOARD C06 10 DII09 9 30 30 UK Jt:.. AUX. POWER BENCH~ COB D2109 10 Dill 0 10 30 30 . A~ SPRAY & AUTO BLOWD~ RElAY~ C32 D2112 110 D1111 11 30 30 . A I ISOL AND PROT SYS Cl5 D2111 10 Dlll2 12 30 30 RCIC RELAY VERTICAL BOARD C30 10 D1113 13 30 30 GEN PROT. CAB. C254 10 Dlll4 14 30 30 SPAI D1115 15 30 30 TIP NEUTRON Mi\\PPiNGj~CiiBiiill C13 10 D1116 16 30 30 ATWS INVCKI :K A D2114 10 ..Q.!_ 117 17 30 15 I

D ISOLATION VALVE RELAY PANEL C41 D2117 10

!I~H 1 1B 30 15 OVE" /UNDER VOLTAr.~ GND. DET. RELAY 14 119 19 60 60 I BENCH BOAR[ C07 '6 120 20 60 60 Tl I 1 v" ~ETER & RELAY BOARD C31 16 D1121 21 60 60 L1~r liN~ PANEL (SEE DWG I '~lfs~*,' 22 60 5 COMPUTER INPUT BAT. 101 D1123 23 60 60 111 - 13.BKV SWGR & 2R RELAYING 1 02123 !6 D1124 24 60 30 .uTC IKANo~tK C31 !8 SPACE I Dl( SIT Sll 2) 2B 200 200

  1. 111-1 JTION PANEL NOTE:

C.URRENT ONCKT Di!llB LIMITE.D TO (.00 AMPS> DUE. TO FIREPHOOFING Ot-CONDUIT. '::>E.E ENGINEERING E.YAI.\\..IATION Bb-O'i'-1 NOTES: I. MANDATORY ROUTING SEPARATION FROM SCHEME NUMBERS LISTED.

2. MAIN BATIERY FUSES SHALL BE DUAL ELEMENT TIME DELAY.
3. FIELD TO DISCONNECT STAND-BY 125 VDC CONTROL POWER TO 4KV BUS AND TAPE THE LEADS. THIS DELETION IS PER AEC/DRL-GE-NSP AGREEMENT AT WASHINGTON MEETING DATED 11-4-69. THE STAND-BY SOURCE LEADS NOT TO BE CONNECTED WITHOUT EXPRESSED ORDERS FROM PLANT SUPERINTENDENT.

SCHEME 01103

  1. 12-125V DC DISTRIBUTION PANEL D21 (F.P. #5828-E12-1)
  2. 111-125V DC DISTRIBUTION PANEL ill11 (F.P. #5828-E12-2)

SCHEME CKT SWITCH NUMBER NO RATING AMPS D2 1 100 D2 2 100 D2103 3 30 D2104 4 30 D2105 5 30 D2106 6 30 D2107 7 30 D2108 8 30 D2109 9 30 D2110 10 30 D2111 11 30 D2112 12 30 D2113 13 30 D2114 14 30 D2115 15 30 D2116 16 30 0216. 17 30 ,~~~,', 1B 30 D2119 19 60 D2120 20 60 D2121 21 30 I '~IE"'s~*,' 22 60 D2123 23 60 24 60 I D2( SIT SH 1 2B 200 FUSE AMPS NOTE 2 DESCRIPTION 100 12-125V BATIERY CHARGER 100 14-125V BATIERY CHARGER 30 RECIRC. PUMP MG SET G-200B CONTROL PNL 2-184-11B 30 INSTRUMENT LAB 30 REACTOR & CONTAINMENT CLG & ISOL. BENCH BOARD 30 DIV II ATWS CABINET 30 REACTOR CONTROL BENCH BOARD 30 FEEDWATER & CONDENSATE BENCH BOARD 30 GENERATOR & AUX. POWER BENCH BOARD 30 CGCS DIV II 30 CHANNEL B PRIMARY ISOL. AND REACTOR PROT SYS VERT BOARD 30 CHANNEL B RHR, CORE SPRAY & AUTO SLOWDOWN RElAY VERT. BOARD 30 RADWASTE PANELS 30 ATWS INVERTER B 30 HPCI RELAY VERTICAL BOARD 30 TURBINE PLANT INST. VERTICAL BOARD 15 OUTBOARD ISOLATION VALVE RELAY PANEL 15 OVER/UNDER VOLTAGE, GND. DET. RELAY 60 TURBINE BENCH BOARD 60 TIURBINE -GENERATOR METER & RELAY BOARD 30 SPARE 5 COMPUTER INPUT BAT. 102 60

  1. 12 -

13.BKV SWGR & 1R RELAYING 60 SPARE SPACE SPACE SPACE SPACE 200

  1. 121-125V-DC DISTRIBUTION PANEL (P,N #10 A.W~

I~ I ~ I C92 I SCHEME 021105 TYPICAL BLOCK OIAIORAM FOR ALL 0211 Y.l< S.CliEMES ('i.I!E TABLE J'OR LOC. ~0'$ t C.OMDVCTOR Sl~ES) ROUTING WIRE LOG. ii'ERAU SIZE NOTE-1

  1. 2
  2. 2 Z4-ll B Dll 03
  3. 10 J265A
  4. 10 C03 Dll 05
  5. 10 9-96 D1105
  6. 10 C05
  7. 10 C06
  8. 10 COB DII09
  9. 10 C2B5B D1114
  10. 10 Cl7 D1111
  11. 10 C33/C32 D111 0
  12. 10 B4A/CB4E
  13. 10 1-Dlll6
  14. 10 C39
  15. 10 C20
  16. 10 C292 D1117
  17. 14
  18. 14 C07
  19. 6 C31
  20. 6 152-201 D1123
  21. 6 SCHEME CKT SWITCH FUSE AMPS NUMBER NO RATING NOTE 2 DESCRIPTION AMPS D11101 I

30 15 CIRC WATER c'cl1 '" RELAYS 2 30 30 SPARE Dl1103 3 30 30 \\IUK H2 mniiNr. PANEL Dll104 4 30 30 INTAKE CIRC WATER PANEL Dl1105 5 30 15 TRANS CONTROL D111 06 6 30 15 OPTICAL ISOL 1 v I I Dl1107 7 60 60 II 0 I-480V LOAD cc1" D11108 8 60 60 " LOAD LCNI '" DIII09 9 60 60 LOAD Dlll1 10 60 60.,. 110 .OAD~BY (NOTE 3) Dll111 II 60 60 IIESEL GEN 111 PANEL D11112 12 60 60 DIESEL GEN 112 WNIKVL PANEL Dlll13 13 60 60 4.16 KV IIUN BOX D11114 14 60 60

  1. 11 LOAD 15 60 35 SPARE

/\\ 16 60 35 SPARE /B4\\ D11117 17 100 70 SPARE r-D1111B 1B 100 70 113-4.16KV SWGR D11119 19 100 70 115-4.16KV SWGR D11120 20 100 70 16-4.16KV SWGR OI~NUDl (NOTE 3) D11121 21 100 70 ,1-MAIN \\IVK <hCIIAIIVN D11122 22 100 100 DIESEL C \\I UK #II FIELD Fl. SPACE 'ACE 'ACE SPACE SPACE SPACE SCHEME 011103 T'(PICAL BLOCK DIAGRAM TYPICAL 'BLOL.K DIAGiRAM FO~ ALL D2.ll\\1'- FOR "LL 0111'1-Y. SCIIEME,S 1 (P,,N *10 AWC. SCHEMES El'-CEPT 02112 ~ 0211~ BELOW. (SEE' TABlE FOR LOC. NOS i r:l 0~2:-:- 1 'f-+-iz+-IIB 1 SCHEME 02.103 (SEE T.o.e.i.E FOR L-ac. No*s e coNoucToR srus) coNOUcTOR SIZEs) FOR scHEME& LOC. E50 C83 CIOI X02 C243A Bl B3 C325 B4 C91 C92 A10 B9 /\\ /B4\\ r\\. A3d7 A30B MOB E304 C91 TYPICAL PAMEL !>.RRAKC,EMENT C:KT I CKTZ CKT3 C.KT CKT 5 A v ROUTNG WIRE SCHEME SEFERATIIIN SIZE NUMBER NOTE- /\\ HID D21101 B4\\ D21102

  1. 10

_!10 D21104 D21 102 H6.J D21105 110 j D21106 16 D21107 16 D21108 16 D21109 16 D2111* D2111 16 D21111 D21112 16 D21112 16 D21113 16 1 021118 16 D2111B "" O<O 16 D21119 16 D21120 /6 D21122 12 D21122 TYPICAL FOR CIRCUITS IOOA OR LESS [!ill TYPIC.AL 1!1LOCK DIAGRAM FOR "LL Olll<Y. 'i.CHEMES. (SEE i_.,BLE FOR LOC, MO's t CO"OUtTOR SI~ES)

  • FOR BLOCK DIAG-OF <;OlE ME. ZQZ/6, SEE DW(J. E-'1/b D-tuo9 ' o-2.1109 SEE m-36640-9 P, N #10 A"!G,).,

(P, N *10 AWG FOR CABLE BLOCK DIAGRAM 1 021 Hc84-A ~~ jcS4B 1 SCHEME 02113 I 021 ~ C33 f.-9..1 c32 1SCtlE.ME o2112 SEEDWGE-211 SHTI2(NE-93503) -.----v--*r-1---:;C:-:::I("'T"'z"'&=---t~.-- TY PI C A L F 0 R I SP FOI'. 50-IE.ME. Dl\\2'1 ONLY P,N '"IOA.\\.11;,"'5 'C.P,NI *IOA"'G (*SCHEMES 011111, D11112, D21111 & D21112 CONTINUED ON E-103, SH 3)

  • 60 AMP. TR60R GOULD-SHAWMUT OR EQUIVALENT.

'-----'--'-'-='-----' C. I RC UITS MORE TH_.,N IOOA CKT NO I 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 1B 19 20 21 22 PERMANENT NOTE: ANY ADDITIONS OR CHANGES TO THIS DRAWING MUST ALSO BE MADE ON NH-105940 FOR USE WITH SPARE GENERATOR TRANSFORMER INSTALLATION REVISIONS

  1. 121-125V DC DISTRIBUTION PANEL D211 (F.P. #5828-E12-2) 84 EC21152,21159 DWN: BAT 5-23-13 CHK: SMA 5-23-13 APPR: CTP 5-23-13 SWITCH FUSE AMPS RATING NOTE 2 AMPS 30 15 30 30 30 30 30 30 30 15 30 15 60 60 60 60 "

60 60 60 60.,. 60 60 60 60 60 35 60 60 60 35 60 35 100 70 100 70 100 70 100 70 100 70 100 100 ROUTING WIRE DESCRIPTION LOC. SEPERATKIN SIZE NOTIE-1 CIRC WATER c'cl1 "" RELAYS E60 HIO 1 R RES TRANS cvN TROL X03 D11105

  1. 6 SPARE
  2. I-MAIN TRANS C

- LA"INt C-520 X01

  1. 10 SPARE SPARE

'10 j LOAD CCN "" B2 16 LOAD LCNICK B4 16 111 LOAD L~K C326 16 Ill .OAD~ (NOTE 3) B3 16 IIESEL GEN 112 PANEL C92 D1111 16 DIESEL GEN 111 CONTROL PANEL C91 D11112 16 4.16 KV I!UN BOX A20 16 SPARE /'\\. B7 16 SPARE /B4\\ /\\ SPARE / /84\\ SPARE ) r\\. 114-4.16KV SWGR A407 011118 16 115-4.16KV SWGR oiANU"Y (NOTE 3) A30B 16 116-4.16KV SWGR MOB 16 SPARE DIESEL \\IUK #12 FIELD Fl. C92 Dlll22

  1. 2 SPACE

>PAC >PAC SPACE SPACE SPACE This map/document is to assiSt employees in the performance of their jobs. E 11 0 S H 3 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. f-.M"'O"'N"'TI,..,-CA"D""D"'W""G~Y,...,-1 SCHEMATIC DIAGRAMS 125, 250 & 24 VOLT DC SYSTEMS SCALE: NONE REV 84 MONTICELLO NUCLEAR GENERATING PLANT 1}, Xcel Enerqr NORT 1E~~1 s-.'1lES POVIER CCkiPI1~1l NE-36640-3

NE-36640-4

  1. 13 -?.50V BATTERY 7'1e. AH 8 HRS r-----1: I I fit 1'1-------1 I?.SV. TAP

~--------~------------~ D"?A ~ D~f:1 ~ 1~-.Zs5o Y 1: 1'2.<::1 v t?l-061'~1!3UfiON (L.I-I~NN~II 1) ('St.I-\\~M~ "SI-\\OWN 01'--\\ DWb. t-110,"51-\\, 4A, 4es,4-?) -ro tKT. ~a, f'At--l~v 1/"?l -::.~~ ~-110, ~It-4 B (NEi -'3ta&.4o-4 B) ~ D'!>'? i £:1_-+---_..~_*rj I I ~~- ~ r I I JCIJ:ll 1"'133-125'1. DC DISTR. PANEL 033 I !SEE SCHEDULE THIS SHEET FOR-1 SWITCH $ FUSE RATIN(\\5. PAHEL ~RRA\\\\C,EMENT_! __:IRCV1T ~0~ j

  • 13-250V DC DISTRIBUTION PANEL D31

&tHEME CKT BREIIKeR DESCRIPTION NO NO AF Ar D'3 I 400 ~2~ \\'l? 'I ~Mf~R'f t:I-\\A~t;.f{ 4< 0'34 !'Z?v.~A1'1"EI~'i C.I1Af6-ef( ~9!52 81\\TT!RV GHARGE!R ilp 54 81\\TIEAY GHARG~R II- 0 ?"3 5 /50 as SPARE 0'3106 6 /"SS as PLAI'\\T E.VACUAT10N ~1REN POWI!Q, 7 /50 ~PARE. 03 8 ISO /00 9 400 150 SPAR~ 0~110 10 400 It HII - 25QV. MCC (R<:.I c.) 03111 11 4co jjo 133- '2~0'1. MCC ( ~ EACT. BLDQ -l'!AST) 03111. I! 400 2.ZS DIVl::':liON I 12.0 VAC-UP5 Y71 13 400 2.50 SPARE 14-A SPACE D!!SCRIPTION

2.

30 30 3 30 30 LOC. WIR~ SIZE 0~4 "J-'1\\t/o D~'l 'l** Yo Q<;!.<)- - D!J?> 1"11 Yo N31o6 #IO A (#1/0 r-0311 asoW:M 0313 a~o Met~ '( 11 liJOM<M I D33 I S1Jt:::N&) SC.I-IEMf! 03303 WIR!l: MANDATORY ROUTIN<l LOC. !;I'ZI! SEPARATION R!QUIReMENT 4 30 30 0330~ SRV lOW l.O'I-l SET CONTROl. Dl'/. I Cas:M ~ JO SEe. NOTf! I 5 ~ 35 00205 1\\C.B oZ:.3i<::soC.ot-rr.RJ'NIE..RMC::.C.I~e e~ :Ill"' 6 30 30 I 30 15 - a ao 15 SPAR£! r---* c- {? f"tl fil ¢ ~f'AR~- -i-* - NOTES

r. Sr!.PARATION SHAL.LBE 11-l'ACCQRQANCE WITH DESIGN SPEC. NSP!JS-03'1, Da 9 PAN!;'-

ARRAN61!ME'Nl" CKI I I Cl<:r ~ CKT~ Ci<T4 CKT ~ Ctc:r 10 GKT7 Clc-ra ~ N, PI @(1; ~AWG) I o3~ ~ l1?>33oo I 5 CI-IE/'1E 03305 BlDCK DIAG>RAM..EOO 50-\\SME: tY~i~05-REVISIONS ~EC20129, 20056 DWN: JJP 7-25-12 CHK: BAL 7-27-12 APPR: NJF 7-30-12 This map/document is to assist employees in the performance of their jobs. E 11 Q S H 4 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTI CAD DWG K 250V DC DISTRIBUTION & PANEL SCHEDULE D31, D33 SCALE: NONE I REV 76 MONTICELLO NUCLEAR GENERATING PLANT 1J X eel [nergym NE--36640-4

. **------------------------- ---- ----.-~----------------------------------------**-* ---*--* ------------------------- r--~-~~----r---------------------*-----------------------.X..----------~--:-:-----:--:~:--:--:--:--:--:--:--:--:--:----:--,.---,-.,.,..,.,.---------------r---;;:::;;: NE-36640-4-2 ~~: ~-~ I (SEE NOiE4) 03&. r.: 1 ,2~5v. oc'BATrERY ! h25v oc BATTERYl PLANT EVACUATION ~25v oc DISr Pt-i!#'131-25CN Mcc 0311 loi"V 1 I2.<>V~ cHARGER D52 II<:HARGER Q23 1 siREt:J. N3loa, ID33(E110,sH.4) 1 FEEo.sEE TABLE I vP.S m L . SEE 1ABLE PNL. 031,-(NE.U6640-4}. PNL. 031 I(DWilr* E-UO 61-\\.lf !f.<+/-L-o'di i o~l ck-X E-1'\\0, SH. 4 I -t*H ~)J E -'110, SH.4 1 o<+) <-r.!.'*'JI 2p 2TN -r 4 p 4N {NE-36640-4) '-:-¥'----..,....... {NE-36640-4) --t-- -4=--J ,....-~ 8 8N 1 I\\ \\ I P 1\\l. r l:====~~~~j~~-/~.Mi~lrf}:----+- --+--,--- .$4'4".SH/: ~ I r--=-~~'-~'/A5~*iifr (niiS{)M$) C.Kr.G; ei!O"'AF' 35,0...1 CKt 8 (1 150AF 100AT e -~2!?_( 400AF 225AT E ~~_!2 __ ( 400Af 225AT SPAC.E SPACE I / ~~~--OM--~--~~*~---t-t-----Qfb--~i~L~J~~-N~~--~-------1~-----+--------+---~~------i-----~------~----1--------+----*~------~~------------~------~' ~{ i.-\\ "* "'J0311 I 1 -'"ft"-*-t---_. pt I ~* ~+-~~~~a~oj~~P<U~f------1~--~-----+--~~----4---_.------4---~------~--4-----~~---------+------- / -~~~~=P\\.Jru..__ __ ~ 1 1 ~'MU\\.l'f C.,.,..,S .;., I ~SV. I tOO l ..£{-\\ 150*50 <+> P ~-eo~oj~~~P~C2~-~-------1~--~--------+---~--------+-----t-------~----+--------t----~------~~----t--------+-~----~ -..--.~o---od-!)2...&..~...._+-o-'9 <>....()..+-'() 031 D3,A. 3 D3A &. D B

r. <

225A.T 225A.T

  1. 13-125/250V DC BATTERY

~) (-). ~~~ 742~H. 8HR. RAT.E I teA"-~~~- 40o-Q:400A I /~ I 1P 1N r-tffi*---!H-1 1125V DC BATTERY ' LC:HAR<,?~ -~_j ... **~*. 35AT SR I c -v SPARE 125/2.50V. oc 4, J CKT. 7 ~-;;--o-,w-35AT 7R ) ~=:::J SPARE 250VDC DISTRIBUTION 150AT 9R - 4 -c v I SPARE CABINET 031 SCHEME NO. 03 (CHANNEL 1~ "t' t!!... 9S!E--( \\( 400AF l2.~~1!-( 'Q 400AF 225AT 250AT 1R 3R c 6 ) v I "\\ )

  1. 133-250V MCC SMHE Q313 FEED t!'S()VLK:

SEE PNL 031 OWG. E '110,SH.4 (NE-36640-4) I ~.... P1(U) 4-*uo 03A P~{$}(150} PaCHl (150) P'\\ <RH150) 500 MCM 031 R£l't.AOOIENT/I.IFCRADE

1. FlEW TO *Jt.ETAG. lt'I!ROtl'l"! AJm UOOilliiCT UISTJ!l; ~LE a%Jl1:'~'1 SCHEME D3 FROM PAN£1. :P3

'1'0 P.AtmL Dl4 IS SHCMI ftllH CN'IClT'f *INCR£ASF.n PAUL D3l 'tO PAUL OU WUi!. liUtl.ai&S 8'P Al1D 61t. nu..D BAtTERY RACi< t.EHGnt TO ENSURE THAT UlSTitfG CABLE lS l'l\\B OF DU'ECTS AND INCREASED k GftOUNi> SUtTAM.E FOP.. 'US!'.. 0~1£Cl10N PANEL RaocA"IEO. REVIS0

2.

CABLES 8ETWEEN PANEL 1>31 Am> IATTBllY CHARQI!RS D52> DS~ SHTS. 2 & 4-3 PER AND D54 AR& NEW CABLES. CABLES IImii!:N BAT'flli.U.t:S D3A. ORR: J.I0-87-2f>9 ~~~~P~af:l = =: ::w=:-r'~~~~ DWII: ~ t-5-88 LE);QTH. TAG AU. CABLES USING THt$ DRAWING.AUD' 8**U* ~ B~~tl5-8S

3. CIP.C:UlTS 11 AND 13 SBA.tL R MICIWIIQU.Y DlriiU!.:DD f\\U4EO: 2 11-88 wxm A V.au:Im ~* (a'l nn t..OIS. an JtCZ Dt.AX.E) so.....,__,_*--------1

'rlllT IF OM! JIRE.Aitlll II ctonD. 'DZ OIUR IS J'LOCI'!D !l'l AS-BUILT: THE OPEN POSITION. NON-CI.ASS IE POWER SUPPlY

4. FIELD TO UTAG nA.'l"'l'!R'f Dl AS D3A Al'!D-DlB AS SROW.

~~04~ 4 S. Eli.ISflR; PM. 031 IS Bln'LACED WITH A R!V I'M. D31 SZUG CRR/C>RR: M0-69-116 PUkCltASEIHINDl'll M/lt 1004(Ht-120(Q)

  • tmf PAN'a. '!'ABLE Clift;: K8 10-25-69 SHOWN ON TBIS DllAWlOO SHB!.T 4, ali<: JDS 11-3-89 038 l....::=i~::!-P1 {L)(150}

t\\---M1 (Q)(1 !SO) i't--,-tt1( K)(150) 500MCM MOD: 89Z006 FILMED: 1-23-00 AS-BIJli..T: RIMSED TO REfLECT ttiE BA1TERY UPGRADE PROJECT 1r----2P(D)(101) +o--4P(F){101)-tr-*1P(H)l101) SP{P) ""tfO fllt1/0 "'1/0 j~'t,o AWG P£(< ORR: 1.10-04-0228 ~:JJP 11-I-D4 QIK: w 11**~*0'1. 1.101): 871.1014 flU,lEf); * ~2N(E){101} 4N(G)(101) 1N(J}(101) 8N (N)(SEE NOTE1) 052 053 054 0.33 SCHEME 03 CLASS 1E CABLES (C~ANNEL I ) This map/dQt;Ufflrmt;. to OS6/st ~sin tho p~ ot IMir job& E 110 SH 48 Your peiW1nOI $oi<<J' is ~ f<< by ustnq sof.ty prod:..'#, ~ and ~nt os dftscribod in 80f.ty troinilllJ progroms, monuars ond sPAR~. !MONT AAS1ER OWG F 1~8 tf'!-.;ra

  • SIGNIFICANT NUMBER 8700 RX 1

1 GROUP I 2 3 4 ~

a.

6 MONTtCELLO NUCLEAR GENERATING PLANT t.IONTICELLO NUCLEAR GENERATING PLANT 125/250V DC OISTRIBUTION CAB. 031 p11111 'T SCHEME NO. 03 NOR H ~ ~ STATES POWER COMPANY SCAlE: NONE I REV F NE -36640-4-2 MINNEAPOUS

NE-36640-6 REVISIONS ~EC18483 A Dt5TRI!JUTION PANEL 015 (F.P. ~48Z.8-6*1()*4) ENHANCEMENT)tDICATED (120V. A.C. 60HZ) IZ0/1. A C. 60 H$ 'IF 11.5

  • Z4 V.

DC. NOTeS: BY f "** '"'* '",~, /0 [.; m m. '" m d ~ /, THE NEUTR,4L BARS (c) IN I:JIS ( D25 SHALL OWN: JJP 7-22-11 l::ll¢ Q L34¢ -- ¢ r------ -... ~~--===z~----=--,- ~~-., T&-31 014x 1 u NOT BE GROUNDED !IV THE PANELS THE CHK: BAL 7-22-11 ,------r- ~t-----==.:d-=-=-=--=-r "GR 1rB=3' BKN. ROJlTIN.G Wfi(E CIRCUITS ARE GROUNDED AT TI-lE LOAD APPR: PSN 7-22-11 5CIIll-1£ CKT. kATING SEPA~ATIDN NO. N(), OESC~IFTION LOCATT(JAI ii~E I *"3-24vo£r-B!Trrr-7rr c!MFI;.c7t:'""fli':i_ s&£RoreJ2 1

(#114-24 VOLT-._BATTERYCHARGER D14SEENOTE 2_QJ).

AMPS FI!I)H S&ll£1<< ( C.36 ~ CIO)END ONLY* ,----:'"1 I ~ - D 1.5 01 I I.OA 50(J~C~ -t INrFRM£PI~TE /rllN6E ~ PHaJ 1 o;r -.I()

2. FOR VENDOR SCHEMATIC SEE DW6. NX-2a922-3.

I POS. NEG. I I 1 POS. N[G., 0 -------------, t I (oJONITD~.S i AVJlll..IARU-' I I + I 1 I ~t-=r; l_

3. FORANNIJNCIATORSCHEMATICSEE DWG. NE-36640-7.

L :1 ~ -lq_c_,_ouT~~: ALARMS {sEt NO-;E ;) :c J L- _o.c.ourPi_ALARMs(seE NOTE;)---~ _j D/502

t.

20A 1-":ROU.SS RADIAT/Dttl MOitllTDN.S CltJ 02502f!JZf Ji-"fl) A .t AUXILIARIES '4. SCHEMES D1501 AND D2501 EACH HAVE THREE CONDUCTORS 01503 CONTAINMENT ATMOSPHERE :~ C259 ceso3IDZ5 01/0 ~ 3 Z.OA MONITORING ISOLATION VALVE IND. ROUTED TO PANEL C-36. WIRES P AND N ARE CONNECTED TO p c 'II: I 5 !!>AT TER.Y c N 0.5 4 lOll SI"AifE ~ THE LOAD SIDE OF BREAKERS 01501 AND D2501 AND WIRE C I ~f,lf't: D0~fJ ~ L (COMMON WIRE) IS CONNECTED TO THE COMMON (NEUTRAL) BAR.

5. SCHEMES D1502 AND D2502 EACH HAVE THREE CONDUCTORS

( ? + Z*V (~ - 2.1+V 05 ROUTED TO PANEL C-1 0. WIRES P AND N ARE CONNECTED TO SATTEitY SATT~Y' Pll ~ AH~_ 1HRl_ _10: AH !_~)-i I THE LOAD SIDE OF BREAKERS 01502 AND D2502 AND WIRE C 11'12.5"- Z4V. DC. DI.STR!BliTION PAN£/.. OZ5 (F.P. 1148l8-£-to;..4] (COMMON WIRE) IS CONNECTED TO THE COMMON (NEUTRAL) BAR. I I I FU*P I 5CHE/'1£ CKT. BKR. !!OCITI(f;G _ Wllf£

6. SCHEME 01503 HAS TWO CONDUCTORS ROUTED TO PANEL C-259.

BOA I"U11 OOA RA7"1N6 SEPA.If TIIJN I 1 2~ Y DC FUSE. Ntl .w. ltMI".S 1JE5C~IP7'101V I..OCAT/ON rl?ONI SCHDM *sl,l'E WIRE P1 IS CONNECTED TO THE LOAD SIDE OF BREAKER 01503 I I PANEL DISA SOUAC£ /. 1/IIT.I!."KNED/AT£ ~£ D/5'01 I /)/ ~ ) AND WIRE N1 (COMMON WIRE) IS CONNECTED TO THE COMMON L __ z '!- ( f)Z501 ' ZOA ~ >> If) -+ --- -- --.J MPANJ'"DRS j AV.tiLIAIUES (NEUTRAL) BAR. ( p c N PifOC£'55 I!ADIArttJN MO!.'IT0/1'5 {)l'iOZ f 015" til(} £))"}. 1>2502 2 ZOA I At/}(/1../ARI£ ;s C/0 (

7. SCHEME 02503 HAS TWO CONDUCTORS ROUTED TO PANEL C-260.

02503 CONTAINMENT ATMOSPHERE~ C220 (JI503#DI5 *to WIRE P1 IS CONNECTED TO THE LOAD SIDE OF BREAKER 02503 3 ZOA MONITORING ISOLATION VALVE IND. I ---- -- *- - -- ------, I I A AND WIRE N1 (COMMON WIRE) IS CONNECTED TO THE COMMON 4 ZOA SPARE (NEUTRAL) BAR. I I I ZOA ZOA I I'T". \\....NOTE I _,...-r--,. I

8. BREAKERS D 1501, D 1502, D 1503, D 1504, D250 1, D2502, D2503, I

I I _r--.. ~ 02504 ARE BOLTED DIRECTLY TO THE POSITIVE AND NEGATIVE BUS I /'T'\\ I "l.Z4Y. DC DIS TK/BIJTION BARS (REF NX -9238-3). 1-- I ..,J I ~ I SCHeME DIS TYPICAL PANEL. AlftrAN'&£M£NT I ( XI,U CKT""'IO I *115-UY. DC. DIS TI?18U T/0 /II I

  1. /0 AWG Dt.5 I

PANEL [)1.5 I I D/.3 I L 34-f-- o1s 1 1~1 I (/-/? *~8-l8-£-I0-4) I ,("~ p, C .......- XI,U CKT#el CKT I CKT. 2 ~~N.C v---P1, N1 L __ - -------- ______..J c, *BAWG

  1. 10 AWC.

A D5 CKT. 3 CKT 4

  1. 1()/IWt;

)

  1. 10 AWG I D/4 f--

C.% I I C-2591 "f#-i AWG S C IIF:M.1." IZO Y. AC.,P()WI:A' CHAIN;E.If _ Z4 V. TYI".LCAI.. 8(.0CK.f!<:1116~11M rOle DI.SO!, lYPICAL BLOCK DIAGRAM FOR This map/document is to assist employees in the performance of their jobs. LOCATION.S ~ Dl~tlj_ ~C,;N E-11 0 SH.6 ND .S V.P,.I.. y lo'fl. BATTERY 'JI&<9 AWG. '"""* "'"'* ""' "'""'0 -£"""* "'"' ~'""" Your personal safety is provided for by using safety pracUces, procedures and PNL. L34 i:Kr.. 10 "" 113

  • 6A~-

~A-N>C equipment as described in safety training programs, manuals and SPAR's. MONTI CAD DWG 76 DJS PNL. L34 en:.12_ .. 15 013 D/4 D~ D/5 DIS A

  • B.4WG PNL. L38 CKJ:, ** U:.$

D/5 IJZS f)/5 I 24V DC DISTRIBUTION PANEL D15, D25 [)Z5 .. 14 D2!$ D./!4 £)4 D25 D2SA 76 PNL. L38 o:r. ~ "' l.l4 Pf,C Ff.HI M/JNDIITOR.'f' RO()T/Nt:. SEPARATION I".. Nl c OF SCHEM£ D/5 FROM 025 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE I REV 76 fl X eel Enerqr NE-36640-6 NJii-HERN STATEC POWER COMP~NY -t

SW-234-2 SW13-4"-HF SW25-4"-HF REACTOR BLDG. COOLING 17-351 C10 RT 17-333 R PRM001 SW-180 1" 2" WATER PIPE SW61-2"-GC A 2" B 3" C TO CIRC. (A,2) NH-36489 M-800 DISCHARGE SW-174-2 SW-175 2" 6 SW6-24"-JF REACTOR BLDG. & OFFICE BLDG. TORUS AREA SSW101 SW RAD MONITOR HS P127 SAMPLE PUMP (PNL L42, BKR 14) PI 4957 SW-222 SW-174-1 2" YS 4657 SW-177 2" 2" 1" TE 5014 T PI 4958 1" SW-178 SW-176 1" P127 S.E. CATWALK SW61-1"-GC 1"-JF 1" SW-183 NH-36041 M-110 (A,4) SW5-8"-JF SERVICE WATER FROM FLUSH NEAR ELEVATOR SW-181-1 1" 1" (ROTAMETER) 1" NORMALLY VALVED OUT TO MINIMIZE FOULING 1" 1" FI 4954 SW-226 SW-224 SW-225 RX BLDG. EL. 935' SW-223 OUT CONN. FLUSH PI 4960 SW-179 1" SW-181 SW-182 RW 17-332 CONN. OUT 1" R PRM107 A H C04 SW-227 C02 4902 RR 1" RM NH-36665 NH-36260 NH-36039 NH-36664 NH-36665 NH-36665 NH-36665 D E FROM RHR SERVICE WATER PUMPS P-109 A & C DEMINERALIZED WATER (FLUSH) HEATING STEAM FROM EMERGENCY SERVICE WATER PUMP P-111B FROM RHR SERVICE WATER PUMPS P-109 B & D RHRSW-46 NH-36247 (C,1) RHRSW-13 1"-19 GE GF ORW DISCHARGE (E200A) TO RHR HEAT EXCH. M-121 M-108 M-811 M-811 M-148 (C,2) (E,2) (C,2) (D,2) 8"-N26 RHRSW-14 BH-722 6"-54 TO FIRE PROTECTION SYSTEM NH-36048 (C,7) M-134 KB GF 2"-JB 8"-SP26 RHRSW-12 HS5-6"-JB SW9-8"-GF HS5-6"-JB 2"-JB FROM EMERGENCY SERVICE WATER PUMP P-111C FROM EMERGENCY SERVICE WATER PUMP P-111D FROM EMERGENCY SERVICE WATER PUMP P-111A M-811 M-811 (D,3) (D,5) 6 3/4"-130 RHRSW-9-2 RV54-2 1/2"-HB 3/4"-130 RHRSW-10-2 3/4"-130 RHRSW-10-1 RHRSW-9-1 3/4"-130 RV55-2 1/2-HB M-120 NH-36246 SW-153 SW6-4"-JF 5 2"-19 SW6-24"-JF 2"-HBD 4 SW6-3"-JF PI 10-117A EXCHANGER RHR HEAT SW11-16"-GF LOCKED NEUTRAL HBD RHRSW-26-1 L.O. JF GF RE 17-332 ORW 12" RHRSW-31-1 12" HF CV 1728 RHRSW-42-1 RHRSW-43-1 SX 1602 10-94A TE TW30-14"-GE NH-36247 M-121 R PRM002 A L C04 PI 10-99A GF JB (10-2A) (A,3) 11 E-200A M-121 NH-36247 (A,2) M-121 (A,3) NH-36247 RHRSW-31-2 1" 12" JF GF RHRSW-43-2 SX 1603 RHRSW-26-2 ORW NH-36247 RHRSW-44-1 TO dPT-10-91A TW29-14"-GE 16" ORW TW20-14"-GE (A,3) RHRSW-27-2 (B,6) GF PI 10-99B M-121 JB SW6-16"-JF 3 SERVICE WATER FROM WATER HEAT EXCH'S. SW-107-1 PI 10-117B LOCKED NEUTRAL 10-94B 1729 L.O. TE CV 12" TO dPT-10-91B RHRSW-44-2 NH-36246 M-120 2"-19 SW-154 (A,5) (B,6) NH-36246 M-120 (10-2B) SW12-16"-GF 12 EXCHANGER E-200B RHR HEAT TW19-14"-GE ORW RHRSW-42-2 16" SW-282 2"-HF 3"-HF M-110 NH-36041 (C,5) 2" PI 4401 2"-130 HBD HF SW-107-2 2"-130 2" HBD HF D188-1"-GF VENT SW60-1"-GF C03 10-132A FI RHRSW-6-1 D189-6"-GF DM-49-1 BH-316-1 6"-SP26 FLANGE SPOOL 2"-19 SEE NOTE 1 C.M. 16"-SP26 RHRSW-8-1 RHRSW-51 1"-19 RHRSW-22 RV 3202 ORW 1"-19 D183-1"-GF RHRSW-7-1 VENT 1"-19 3/4"-130 1"-19 ORW 10-96A FE D182-1"-GF RHRSW-5-1 FT 10-97A SW9-18"-GF F RSW102 RV54-4"-HB M-121 NH-36247 (A,2) V125-3/4"-GF 2"-JB D189-6"-GF DM-49-2 2"-19 BH-316-2 6"-SP26 (B.F.) 16"-SP26 RHRSW-8-2 RHRSW-32 SW25-4"-HF SW10-18"-GF FT10-111A C19 10-145A E/S 7189 HS C03 7189 FI C03 FT14-40A 1"-19 NH-36159 (D,1) M-142 10-96B FE SW10-18"-GF DM-86 5 SW30A-3"-HF SW30B-3"-HF SW13-4"-HF 4 MAINTAIN PHYSICAL SEPARATION RV55-4"-HB SW-106-1 V126-3/4"-GF NH-36246 RV 3203 ORW RHRSW-6-2 3/4"-130 1"-19 RHRSW-7-2 M-120 (B,6) M-110 (C,4) NH-36041 FROM E/S 4099 ORW FT 10-97B F RSW103 C292 4105 FY ISO RHRSW-5-2 D187-1"-GF 1"-19 E/S 4101 C292 4105 FI C03 10-132B FI 7188 HS C03 FI 6173A RO 6172A UNIT VENTIL. HPCI ROOM V-AC-8A 2"-19 FI 6173B RO 6172B VENTIL. UNIT HPCI ROOM V-AC-8B SW-106-2 2"-19 FE 4225B HF HBD 3" FT 4225B SW-104 3"-237 SW-103 JF HF FT14-40B FT10-111B C03 7188 FI SW-235-2 3"-237 ESW-58-2 PI 4404B FE 4224B 3"-237 ESW-59 ESW-4-2 3/4"-130 ESW-9 REMOVED INTERNALS UNDERGROUND 3 1"-19 FSW-1 SW-114 SW-248-2 SW-248-1 P&ID RHR SERVICE WATER & EMERGENCY SERVICE WATER SYSTEMS Energy MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4"-130 2"-160 SW-115 SW-113-1 2 Xcel SW-247-4 PI 4402A 3/4" SW-111-1 2"-HF 2"-HBD 3/4"-130 P-202A MOTOR SW-247-1 SW-110-1 PI 4402B HBD HF SW-109 2"-130 HBD HF RHR PUMP 3/4"-19 3/4" SW-111-4 3/4"-130 1" 1" PUMP SW-247-3 SW-159-3 SW-111-3 3/4"-130 P-202C MOTOR SW-159-2 4955 FI SW-159-1 3/4" 3/4" 2" MOTOR P-208A SW-247-2 RHR PUMP 3/4"-19 SW-110-3 SW-111-2 3/4"-130 3/4" 1" CORE SPRAY 3/4"-19 SW-112-1 1" 3/4"-130 SW-113-2 3/4" 3/4" NH-36664 SCALE: sm NONE 1 REV 88 CORROSION MONITOR COUPON IS ABANDONED. M-112 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A UNIT NOTES: V-AC-5 3/4" 1. VENTIL. 2"-19 2" 3/4" AE A B C SW27-4"-JF SW40-4"-HF SW30A-3"-HF ESW-4-1 SW-102 HBD SW41-4"-HF PI 4403A TE 4759A STANDBY DIESEL GEN. G-3A STANDBY DIESEL GEN. G-3B 12 TE 4759B SW-260 2" V-AC-4 UNIT VENTIL. SW-108 C253A 4059B/D E/S 935' BUILDING REACTOR 3/4" PUMP P-202D MOTOR RHR 3/4"-19 SW-110-4 SW-233 FIS 4224A TE 4756B TE 4756A FIS 4224B C94 F ESW101 L A PI 4403B FE 4224A TE 4758B TE 4758A A C93 L 11 3/4" MOTOR P-202B 3/4"-19 SW-110-2 PUMP RHR SW27-3"-JF ESW-68 SW-259 P-208B SW-112-2 3/4"-19 PUMP SPRAY CORE MOTOR 3/4" SW-101 TE 4757B TE 4757A TE 4760B 2455 RO TE 4760A RO 2454 ESW-69 C94 ESW-66-2 4"-142 HF JF 3" 7197 PS HF L A ESW-66-1 4"-142 C93 PS 7196 A L 2 3"-327 JJP 8-6-08 PEB 8-15-08 WK 8-15-08 12920 DZ 8-27-08 DAN 8-27-08 JJP 8-22-08 14036 KC 4-15-09 BAL 4-15-09 JJP 4-15-09 13285 DM 5-20-09 BAL 5-20-09 JJP 5-20-09 DWN: NH-36041 SERVICE SW-235-1 SW-234-1 C253A 4059A/C E/S FE 4225A ESW100 F FT 4225A PI 4404A APPR: CHK: M-110 WATER (D,5) ESW-58-1 STORM SEWER HBD HF REMOVED APPR: CHK: DWN: DWN: 83 APPR: CHK: 84 TO EC EC 81 CHK: APPR: 82 DWN: EC 9411 EC D E REVISIONS INTERNALS 1 16121 APPR: CER 1-24-11 CHK: DWN: BAL 1-4-11 JJP 1-3-11 85 EC FLUSH OUT CONN. FLUSH OUT CONN. 23675 APPR: NEO 11-3-14 CHK: DWN: BAL 10-31-14 JJP 10-30-14 86 EC 23479 APPR: DAM 12-17-14 CHK: DWN: AJR 12-16-14 JJP 12-16-14 87 EC RHRSW-68 6"-EC23479 SEE NOTE 2 SW9-6"-GF FLEX CONNECTION (5" STORZ FIRE HOSE FITTING WITH CAP). 2. 26170 APPR: NTM 10-6-15 CHK: DWN: SDP 10-6-15 JJP 10-6-15 88 EC 88 88 M-110 NH-36041 (A,2)}}

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