ML15237A014
| ML15237A014 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 08/25/2015 |
| From: | Niagara Mohawk Power Corp |
| To: | Office of Nuclear Reactor Regulation |
| Auluck R, NRR/JLD, 415-1025 | |
| References | |
| Download: ML15237A014 (3) | |
Text
T h i s r e g i o n ~ 4 6 , 0 0 0 g a l/f t 1 7 6' 0 3/8" 1 9 0' 0" 2 0 0' 0" N o r m a l S P L e v e l 2 3 2' 6" 2 4 0' 6" 2 6 7' 1 1 7/8" 2 6 1' 0" 2 2 7' 0" 2 8 8' 3 1/4" 3 0 5' 9" 1 8 1' 0" I n d i c a t e d l e v e l r a n g e 1 9 2' t o 2 1 7'1 , 6 5 0 , 0 0 0 g a l 0 (1 9 9' 6") T S L L 1 , 9 9 0 , 0 0 0 g a l 2 , 4 4 0 , 0 0 0 g a l 3 , 2 6 0 , 0 0 0 g a l 3 , 6 6 0 , 0 0 0 g a l P 2 2 4' 0" 2 9 8' 6" (T A F)V a c u u m B r e a k e r (4) N i n e M i l e P o i n t U n i t 2 P r i m a r y C o n t a i n m e n t~ 6 s p i l l o v e r h e i g h t E s t i m a t e d M a x i m u m S A W M L e v e l a t 1 6 8 h o u r s 2 7 6 , 0 0 0 G a l l o n s T o p o f W e t w e l l L e v e l I n s t r u m e n t 7 8 2 , 0 0 0 G a l l o n s L o s s o f W e t w e l l V e n t F u n c t i o n 1 , 2 4 2 , 0 0 0 G a l l o n s R a t e o f r i s e w i t h S A W A f l o w a t 3 0 0 g p m i s 0.3 9 f e e t p e r h o u r*R a t e o f r i s e w i t h S A W A f l o w a t 1 0 0 g p m i s 0.1 3 f e e t p e r h o u r** D o e s n o t c o n s i d e r m a s s l o s s r a t e o f s t e a m l e a v i n g c o n t a i n m e n t t h r o u g h w e t w e l l v e n t p a t h.N o m i n a l W a t e r V o l u m e 1 , 1 0 4 , 0 0 0 G a l l o n s SFP Make Up (Monitor Nozzle can be used on this connection)SFPFrom Discharge BayFrom CWS2SWP*V9002SWP-V9022SWP-TV5122SWP-V9052SWP-V9042SWP-V903CROSS TIE BELOW LOW LAKE LEVEL TO ENSURE EACH SUCTION POINT REMAINS SUBMERGED 2RHS*MOV40A2RHS*MOV24A 2RHS*16A 2RHS*39A2RHS*V3042RHS*V2482RHS*V249TO DIV 2 SFP SPARGERSIZED TO SUPPLY SFP(FLEX/SAWA)DISTRIBUTION MANIFOLD TO BE OPERATED FROM THE RB TRACK BAY OR HOIST WELL AREA ON ELEVATION 261'New Penetrations through Screenwell Wall below grade (Typ -2)3" Hose w/ 2.5" NST (m x f) ends Estimated L = 800 feetBy Pump Vendor3" Hose w/ 2.5" NST(f x m) end Estimated Length = 1,200 feet2 Inlets:2.5" NH(m) x 2" NPT adaptor and 2" gate valve4 Outlets:
1-1/2" NH (female) x 2" NPT adaptor with 2" globe valve to RPV (FLEX)1-1/2" NH (female) x 1-1/2" NPT adaptor with 1-1/2" globe valve to SFP (FLEX/SAWA)2-1/2" NH (female) x 3" NPT adaptor with 3" globe valve to RPV (SAWA)2-1/2" NH(m) x 2" NPT adaptor and 2" gate valve to Recirculation Line 2SWP-V906(3/4" Drain)Perforated Pipe(Total of 80 x 1" Holes)Intake Structure Wall2-SWP-016-01H-4(SHUTDOWN TEMPERING)2-SWP-016-01G-42CNS-V6212-RHS-003-117-2 (A-)2-CNS-003-080-4 2-RHS-016-005-2 (A-)NOTE ON FITTINGS:NH = NHS = Threaded fitting sealed with gasket. Typical fire hose connectionNPT = Threaded fitting where threads do the sealing.
Storz = Latching hose fitting6" Hose w/ cam and groove fittingsEstimated L = 50 feet6" Male CAM and Groove ADAPTER X FEMALE NPTScreenwell Wall Below Grade ElevationOutside Screenwell BasementPID 011-HPID 004-BPID 031-A2RHS*MOV24B 2RHS*16B2RHS*MOV40B 2RHS*39B2RHS*MOV1042ICS*V1562ICS*V1572-RHS-006-141-2 (B-)2-RHS-003-120-2 (B-)2CNS-V6222-CNS-003-905-4 PID 004-BPID 031-A / 031-B2-RHS-008-287-2(B-)2RHS*V3092-RHS-008-297-2(B-)TO DIV 1 SFP SPARGERSIZED TO SUPPLY RPV FOR SAWA3" Check ValvePriming SystemBDB-P2A (B, C, D, E)4" Flange x 6" Cam and Groove Adaptor2" Hose w/ 1.5" NST (m x f) endsEstimated L = 200 feet3" Hose w/ 2.5" NST (m x f) endsEstimatedL = 200 feet1-1/2" NHS (male) / THREADED CAP NORMALLY INSTALLED2-1/2" NHS (male) /
THREADED CAP NORMALLY INSTALLEDPID 038-BPID 038-AMISSILLE BARRIER BDB-P2B (A, C, D, E)Minimum Flow / Freeze ProtectionSAWA PATH TO RPV VIA LOOP A / DIVISION 1 RHS PIPING AND VALVE 2RHS*MOV24ALEGEND -SAWA FLOW PATHSOPERATOR ACTIONS ON PID 004-B SAWA PATH TO RPV VIA LOOP A / DIV 1 RHS PIPINGMANUALLY REMOVE THREADED CAP AND INSTALL HOSE FITTING(S)MANUALLY CLOSE VALVE 2CNS-V621MANUALLY OPEN VALVE 2RHS*V70OPERATOR ACTIONS ON PID 031-A / 031-BSAWA PATH TO RPVRemote Manual-Open 2RHS*MOV24A2SWP-V12672SWP-V1266LOOP A / DIVISION 1 2RHS*V70LOOP B / DIVISION 2 2RHS*V79Discharge ManifoldInlet = 3" 350# flange, Outlet = 2.5" NST (f)Note that a pressure gauge can be installed at one of the available outlets to monitor pump discharge pressure. 2SWP-V12692SWP-V1268OPERATOR ACTIONS ON PID 011-H OPEN BARRIER DOOROPEN VACUUM BREAKER VALVES 2SWP-V1268 AND 2SWP-V1269REMOVE CAPS AND ATTACH SUCTION HOSECLOSE VACUUM BREAKER VALVES 2SWP-V1268 AND 2SWP-V1269SIZED TO SUPPLY RPV FOR FLEX6" PIPEFLOW METERValved Splitter2.5" NST(f) inlet,2 x 2.5" NST(m)outlets3" Hose w/ 2.5" NST(f x m) end Estimated Length = 200 feet each Single Pump 300 GPM Capacity Two Pump 500 GPM Capacity
- 1. SAWA in-line flow meter
- 2. 200' of 3" hose
- 3. Local manual valve -Open4 Power operated remote manual valve -Open5. SAWA backflow prevention check valve -PCIV 1 2 3 4 5TWO PUMP SAWA CONFIGURATION (OPTIONAL)
REFERENCES:
REVREVIEWEDDATE PREPARED DATE SAFETY RELATEDELEC.DIV.JOB NO.SKETCH NO.
PAGE NO.SARGENT & LUNDY LLCMASTER DIAGRAM YES NOCONSTELLATION ENERGY NMPUNIT 2c:\documents and settings\0r8970\desktop\visio\nmp unit 2 flex phase ii elec. rev. 0.vsd 0F. OLUJOBI X1.) EE-1Z 5.) EE-MO001E 2.) EE-11CB 6.) AE-003 3.) EE-11CA 7.) EE-1AQ 4.) EE-027C450kW/562.5kVA Portable DGSouth Corridor of the Control Building Control Building, Elevation 261'Portable DG to be located in the courtyard (El. 261' Southeast of Standby SWGR Rooms)600VAC 2EJS*US1 BCD (Note 1)600A*600APortable Cable consist of three parallel sets of 2 -1/C #4/0 AWG and 1/C 500 MCM TPC cables2LAC*PNL100A2EJS*PNL100A2EHS*MCC103 Option 1(Primary)Option 2(Alternate)LEGEND:Note:1.) Existing "future space" , cubicle 5C will be used for connection via a Bus Connection Device (BCD). The BCD is non-safety related (NSR) and will be equipped with (1) TPC male locking receptacle, Model # PA22MR, per phase.
2.) Portable DG neutral to be grounded at the Switchgear neutral/ground bus.
.Female Locking Connector (Typ. For Portable Cables Connecting End at BCDs)Female Locking Connectors Male Locking ConnectorsPortable Cable Lengths:
Option 1:Total estimated length of 250' Option 2:Total estimated length of 200' 2EHS*MCC1022EHS*MCC101600A600A*600A*600VAC 2EJS*US3 BCD(Note 1)600A**600A2LAC*PNL300B2EJS*PNL300B2EHS*MCC3032EHS*MCC3022EHS*MCC301600A600A**600A**Female Locking Connector (Typ. For Portable Cables Connecting End at BCDs)Standby SWGR Room Div. IStandby SWGR Room Div. II Cable SplitterCable Splitter2-1/C #4/0 TPC cables (190') per phase 2-1/C #4/0 TPC cables (240') per phase 1/C 500MCM TPC cable per phase (10')1/C 500MCM TPC cable per phase (10')1/C #4/0 neutral/ground (250')1/C #4/0 neutral/ground (250')Note 2Note 21/C #4/0 AWG TPC Cables for portable DG system grounding 1 of 3NMP2 FLEX Division II Electrical Connections* 2EHS*MCC101, 2EHS*MCC102 and 2EHS*MCC103 are each fed by two (2) separate 600A breakers (one normally open and one normally
closed)** 2EHS*MCC301, 2EHS*MCC302 and 2EHS*MCC303 are each fed by two (2) separate 600A breakers (one normally open and one normally