Text

Refueling Outage Number 14 Outage Dates 910601-910630 Commercial Svc Date 731216 Inservice Insp Interval 2,Period 2
	ML20083D714
Person / Time
Site:	Prairie Island
Issue date:	09/26/1991
From:	; NORTHERN STATES POWER CO.
To:	;
Shared Package
ML20083D717	List: ML20083D714; ML20083D785;
References
	NUDOCS 9110010176
	Download: ML20083D714 (159)
	v • d • e

.

PRAIRIE ISLAND NUCLEAR GENERATING PLANT, UNIT 1 1717 WAKONADE DR WELCH, MN 55089 REFUELING OUTAGF.'JUMBER 14 OUTAGE DATES 61

i TO G-30 91 COMMERCIAL SERVICE DATt: DECEMBER 16,1973 INSERVICE INSPECTION INTERVAL 2, PERIOD 2 CONTENTS 1.

Summary 11.

Form NIS-1 information Ill.

Repair Replacement Summary APPENDICES A.

List of inspections by ISO B.

List of inspections by ASME C.

List of inspections by inspection Report item D.

List of Section XI VT-2 Examinations E.

Results of Steam Generator Eddy Current Examinations REPORT DATE: 9' % -3/

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PDR

I NORTHERN STATES POWER

SUMMARY

REPORT-INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 1.

Summary The 14th Prairie Island Unit 1 outage began June 1,1991 and ended June 30,1991.

Visual and nondestructive examinations were performed by Northern States Power (NSP), Lambert Macgill and Thomas, C.onam, and Zetec personnel. Copics of examination reports, examination procedures, personnel certifications and equipment records are available at NSP.

Results of the examination indicates that the integrity of the plant systems has been maintained.

All of the tubes (except those previously plugged) in the #11 and #12 steam generators (SG) were examined by eddy current. One tube was plugged in #11 SG.

Sixteen tubes were plugged in #12 SG.

Hanger and component support examinations listed in appendices A,B & C as F-X.XX include the applicable F1.10 thru F1.40, F2.10 thru F2.40 and F3.10 thru F3.50 items.

PAGE 2 OF 13

NORTHERN STATES POWER

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 11.

Form NIS-1 Information FORM NIS-1 OWNER'S DATA REPORT FOR INSERVICE INSPECTIONS (As required by the Provision m. he ASME Code Rules) 1.

Owner: Northern States Power Company Address: 414 Nicollet Mall, Minneapolis, MN 55401 2.

Plant: Prairie island Nuclear Generating Plant Unit 1 Address: Welch, MN 55809 3.

Plant Unit : 1 4.

Owner (Certificate of Authorization): NA 5.

Commercial Service Date: 12-16-73

6. National Board NO. for unit NA 7.

Components: (See appendices for components inspected this outage)

Manufacturer Comporent or Manufacturer or Installer State or National Accurtenance or Inslajigr Serial No.

Province No, Board N2 REACTOR VESSEL CREUSOT-LOIRE 686 M!NN 200-51 PRESSURl7.ER WESTINGHOUSE 1111 68-20 STEAM GEN WESTINGHOUSE 1101 68 24 NUMBER 11 STEAM GEN WESTINGHOUSE 1102 68 25 NUMBER 12 REACTOR COOLANT WESTINGHOUSE W515 PUMP 11 REACTOR COOLANT WESTINGHOUSE W516 PUMP 12 RHR HEAT JOSEPH OATS 1817-1 A 340 EXCHANGER 11

& SONS RHR HEAT EXCHANGER 12 JOSEPH OATS 1817 18 341

& SONS PAGE 3 OF 13

NORTHERN STATES POWER

SUMMARY

REPORT -

1 INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 FORM NIS-1 OWNER'S DATA REPORT FOR INSERVICE INSPECTIONS (As required by the Provision of the ASME Code Rufos) 1.

Owner: Northern States Power Company Address: 414 Nicollet Mall, Minneapolic, MN 55401 2.

Plant: PRAIRIE ISLAND NUCLEAR GENERATING PLANT Address: WELCH, MN 3.

Plant Unit: 1

4. Owner (Certificate of Authorization): --

5.

Commercial Service Date: 12-16 73 6. National Board No, for Unit: --

7.

Components (See appendices for components inspected this outage)

Manufacturer Component or Manufacturer or Installer State or National i

Acourtenance or insta!!gr Serial 1%

Province No. Board No.

RHR PUMP 11 BYRON JACKSON RHR PUMP 12 BYRON JACKSON SAFETY INJECTION BINGHAM PUMP NUMBER 11 SAFETY INJECTION BINGHAM PUMP NUMBER 12 ACCUMUATOR DELTA SOUTHERN 41038-70 1 2554 TANK 11 2555 ACCUMULATOR DELTA SOUTHERN 41038 70 2 TANK 12 BORIC ACID NAVCO TANK 11 1

1 PAGE 4 OF 13

l NORTHERN STATES POWER SUMM ARY REPORT

-INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 8.

Examination Dates 00 01 91 to 06 30 91 9.

Inspection Interval from 06-30 81 to 6.*9 92 10.

Abstract of Examinations, include a list of axaminations and stateraent concorring status of work required for current intervat.

See appendices A B C D E (Attached) t 11.

Abstract of Conditions Notes.

See appendices A B C D E (Attached) 12.

Abstract of Corrective Measures Recornmended and Taken See appendices A B C D E (Attached)

We certify that the statements in this report are correct and the examinations and corrective measures taken c^nform to the rules of the ASME Code,Section XI.

Date: bd 3f=-

19 7/, Signed /docru m/ b< rr-r a Bf.

/<

A M"

/

(Owner)

[/

Certificate of Authorization No.(if applicable) N/A Expiration Date M/A l

I l

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PAGE 5 OF 13

NORTHERN STATES POWER

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 CERTIFICATE OF INSERVICE INSPECTION 1, the undersigned, holding a valid commission issued by the National Board of Boiler and Prossuto Vesselinspectors an/or tt}e Stqto or Proyince fjlM/f ts cha and employed by)p e10rci [% 4,;eg ot i. /erl %.,

__ havo inspected the components described in this Owner's Data Report during the period 14/79/ to Zdgrand state that to the best of my knowledge and belief, the Ownu with the with the requiro-ments of the ASME Code,Section XI.

By signing this certificato neither the inspect;r nor his employer

.J 3 any warranty, expressed or implied, concerning the examination and corrective measures described in this Owner's Dma Recort. Furthermore, neither the inspector not his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.

$ed J 19 9/

Dato:

/

.n.,[f d

. Commissions _J6 /02 7/,J/.) 7 /- / 7'/_

, inspector's Signature National Board, Stato, Prnvince and No.

PAGE 6 OF 13 I

- ~.

NORTHERN STATES POWER

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 111.

Repair / Replacement Summary listed below is a sumrnary of ASME Section XI Repair / Replacement information the "WRA/ Control No." is a reference to the plant document which controlled the repair / replacement, The plant document provides more information regarding the repair / replacement.

WRA/ CONTROL NO.

SYSTEM DESCRIP.*lON OF WORK P0336 AF-Q AF FAB / install 11/21 AFW CLG WTR LN Flushing TEE M2985 CC-Q CC Replaced 12 CC Hx channel head manway P0979 CC-Q CC Repair wold on #12 CCHx manway P1117 CC-Q CC Replace spool piece on outlet of #12 CC Hx P7041 CC-Q CC Prefab and install PPG for CC surgo tank cross tio R2649 CC-Q CC Profab and install PPG for CC surgo tank cross tio 11/21 P8312 CL-Q CL Installi press tabs on 121 CC pump dlsch PPG R3710-CL-Q CL Repair #12 DCWP oil piping N8092 CS-Q CS Modify recirc PPG for #11 CS pump N8093 CS-Q CS Modify recirc PPG for #12 CS pump R2651 CS-Q CS Remove and cap 11/21 CS mini flow recirc lino R1617 DI-Q Di Replace globo valve P0744 RC-Q RC install RC 1-18 CHG line to RCS isolation valve R2211-RC-Q RC Repair / replace 11 HL and CL RTD swagelok fittings R2212 RC-Q RC Repair / replace 12HL and Cl RTD swagelok fittings N8170 S! O Si installlarger mini flow optificos in Si i

lines #11 N8171-St-Q Si install larger mini-flow optifices in Si lines #12 1

PAGE 7 0F 13

I NORTiiERN STATES POWER

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 e

N8825 SI-Q Si Modify Si pump suction relief valve flange connections P2365-SI-Q St Repcir Si pump suction relief va've P5628 VC-Q VC Repair weld at #13 CHG dump P -

11546 P1118 ZC-Q ZC Replace H-return bends on face of fan coil unit P1283 ZC-Q ZC Replace H return bends on face of

12 fan coil unit P1295 ZC-Q ZC Replace #12 fan coil unit south face welded on flanges R1213 ZC-Q ZC Replaced H benu fittings on #11/13 FCU R2179-ZC-Q ZC Installed annubar fittin0s on #11 and

13 FCU CL lines R3757-ZC-Q ZC Repair H return fittings on #13 FCU R3842 ZC-Q ZC Repair H-retuin fittino on #13 FCU R3874 ZC-Q ZC Replaced east face on #17 FCU MOD 91L300 RV Modify RX head vent PPG N8597 RC-Q RC Install ILT-434 RCS LVL root valves N8598 RC-Q RC l Install ILT-435 RCS LVL foot valves PAGE 8 OF 13

t NORTHERN STATES POWER

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 ePPENDIX A LISTJF INSPECTIONS _BY ISO Pages 1 to 30 follow i

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Prairies Island Nuclear'. Generating; Plant,' Unit I Northern States Power Company j

1717.Wakonade Drive 414 Nicollet Mall j

Welch, MN'55089 Minneapolis, MN 55401 Inservice Inspection Report Log l

09/19/91 By ISO

'14:18

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Commercial Service Dai.e December 16, 1973

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ASME Item Report Number Method Remarks

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Item System Exam Date Results 1-ISI-8 B9. 21 91-057 PT W-17 RTD TAKE OFF HOT A 06/O3/91 NAD 1

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1-ISI-10 F-X.

XX 91-121 VT-3 RPCH-12/B DRAIN ON CROSSOVER A 06/05/91 NAD i

i 1-ISI-10 B9. 21 91-358 PT W-12 DRAIN ON CROSSOVER A 06/20/91 NAD

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STEAM GENERATOR 11 06/19/91 IND eptable IWB3514-2.

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l'ISI-12 B5.130 91-353 PT

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1717 Wakonade' Drive 414 Nicollet Mall Welch, MN 55089 Minneapolis, MN 55401

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Inservice Inspection Report I.og

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14:09 Cownercial Sarvice Date: December 16,-1973 i

ISO ASME Item Report Number Method Remarks Item System Exam Date Pesults 4

l 1-ISI-13 B5. 70 91-328 PT l

RCC-B-4 S.E.

STEAM GENERATOR 12 06/18/91 NAD 1-ISI-13 B 5. I'30 91-327 PT I

RCC-B-4 5.E.

STEAM GENERATOR 12 06/18/91 NAD i

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1-ISI-13 B5. 70 91-281 UT45 Limited access.

RCC-B-4 S.E.

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i-BOLTS 17-24 RCC PUMP 11 06/08/91 NAD i

1-ISI-16 MISC 91-326 UTO

11 BODY RCC PUMP 11 06/17/91 NAD j

1-ISI-16 MISC 91-325 UTO j

11 KEYWAY HCC PUMP 11 06/17/91 NAD J

1-ISI-17 F - X. XX 91-085 VT-3 100-SIS-1/A ACCUMULATOR DISCH B 06/05/91 NAD 1-15I-17 T-X. XX 91-0868t VT-3 Thread engagement unsat. Ana-

'O0-SIS-2/B-ACCUMULATOR DISCH B 06/20/91 IND lyzed acceptable (Teledyne).

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1717 Wakonade Drive 414 Nicollet Mall Welch, MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log l.

09/19/91 By ISO 14:09 Comroercial ' Service Date: December 26, 1973 i

i ISO ASME Item Peport Number Method Femarks j

Item System Exam Date Pesults 1-151-17 B9. 11 91-330 FT Limited access.

W-9 ACCUMULATOR DISCP B 06/18/91 NAD i

1-151-17

89. 11 91-346 UT45 Limited access.

j W-9 ACCUMULATOR DISCH B 06/18/91 NAD 5

1-ISI-IC B9. 21 91-308 PT W-3OR C18ARGING LINE B 06/14/91 NAD f'

1-ISI-1C B9. 21 91-309 FT W-31R CHARGING LINE B 06/14/91 NAD l-4 1-ISI-21 F-X.

XX 91-076 VT-3 137-RTD-4B/B RTD RETURN B 06/04/91 NAD 1-151-22 F-X..

%7 91-067 VT-3 Pipe touches Restraint. To t;e 137-RTD-3/D RTD TAKE OFF COLD A 06/03/91 IND reinspecte_d hot. WR-94205-PC-Q 1-I51-22 B7. 70 91-045 VT-1 1

PC-I-15.

RTD TAKE OFF COLD B 06/03/91 NAD I

j 1-ISI-22 B7. 70 91-046 VT-1 g

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XX 91-052 VT-3 i

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i 1-151-22 B9. 21 91-342 PT j

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14:09 09/19/91 By ISO Commercial Service Date: December 16, 1973 iI ASKE Item Report Nurber Method Pemarks ISO Exam Date Pesults Item System 1

F-X.

XX 91-285 VT-3 h1-151-33 j

PX SAFETY INJ'N B 06/12/91 NAD lPSIH-415/B 1-151-33 B9. 40 91-115 PT W-12 RX SI LOW HEAD A 06/05/91 i NAD l

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W-6 RX SI LOW HEAD B C6/19/91 NAC Pe-examoined, satisfactory.

1-ISI-34 B6.180 91-226 UTO BOLTS 17-24 RCC PUMP 12 06/08/91 f* AD 1-151-35 B7. 60 91-213 MT LOWER 9-12 PCC PUMP 12 06/08/91 NAD 1-ISI-35 B7. 60 91-228 UTO LOWEP 9-12 RCC PUMP 12 06/08/91 NAD 1-ISI-35

87. 60 91-227 VT-1 Lower 1-12 PCC PUMP 12 06/08/91 NAD 1-151-37 B6. 10 91-262 MT NUTS 33-48 REACTOR VESSEL 06/10/91 NAD Page 7 cf 30 l

Prairies Island Nuclear Generating Plant, Unit I Northern States Power Company 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN $5401 Welch, MN 55089 Inservice Inspection Report Log 14:09 09/19/91 By ISO Commercial Service Date: December 16, 1973 ISO ASME Item Peport Number Method Remarks Item System Exam Date Results 1-151-37 B6. 30 91-271 MT STUDS 33-48 REACTOR VESSEL 06/11/91 NAD l

1-ISI-37 B6. 30 91-274 UTO STUDS 33-48 REACTOR VESSEL 06/11/91 NAD 1-151-37 B6. 50 91-264 VT-1 WASHERS 33-48 REACTOR VESSEL 06/10/91 NAD 1-ISI-41 B2. 10 91-215 UTO W-3 16*6"-6" PRESSURIZER C6/08/91 NAD 1-151-41 B2. 10 91-217 UT45 W -3 16*6"-6" PRESSURIZER 06/08/91 NAD 1-151-41 B2. 10 91-244 UT60 W-3 16*6"-6" PRESSURIZER 06/08/91 NAD 1-ISI-41 B2. 11 91-214 UTO W-4 12*-24*

PRESSURIZER 06/08/91 NAD 1-151-41 B2. 11 91-216 UT45 W-4 12*-24*

PRESSURIZER 06/08/91 NAD 1-ISI-41 B2. 11 91-24J UT60 W-4 12*-24*

PRESSURIZER 06/08/91 NAD 1-151-41 B2. 10 91-247 UTO W-5 18*-24*

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1 I [ i t I Prairies Island Nuclear Generating Plant, Unit I Northern States Power Company ~ l i 1717 Wakonade Drive .414 Nicollet. Mall [ { welch, MN 550b9 Minneapolis, MN $5401 't i ~ Inservice Inspection Report Log 09/19/91 By ISO 14:09 f Commercial Service Date: December 16, 1973 [ ~I ISO ASME Item Report Nurrber Method Remarks { Item Systern Exam Date P.esults ,{ } 91-269 UT45 Limited access. { { 1-ISI "Bl. 40 W-6 REACTOR VESSEL 06/10/91 NAD [ i l ) I 1-151-49 Bl. 40 91-270 11T6J Limited access. Code accept- [ W-6 REACTOR VESSEL 06/10/91 IND able, IwB3514-2. [ l 1-ISI-51A' C3. 20 91-356 MT Limited access. l MSH-36/F MAIN STEAM A 06/19/91 NAD [ f 1-ISI-51A F-I. XX 91-196 VT-3 f MSH-36/F MAIN STEAM A 06/08/91 NAD f i a 1-ISI-51A C3. 20 91-150 MT, Limited. access. f MSH-46/C MAIN STEAM A 06/06/91 NAD j 1-ISI-51A F-X. XX 91-162 VT-3 t 6 ] MSH-46/C MAIN STEAM A 06/06/91 NAD [ 1-ISI-51B C5. 21 91-273 MT Limited access. l MS-13 MAIN STEAM A 06/11/91 NAD i l I l 1-ISI-51B C5. 21 91-351 UT45 Limited access. ( MS-13 MAIN STEAM A 06/17/91 NAD 1-ISI-51B C5. 11 91-065 MT f MS-147 MAIN STEAM A 06/03/91 NAD 1 1 a r i 1-ISI-51B C5.. Il 91-064 MT MS-148 MAIN STEAM A 06/03/91 NAD Page 12 of 30 4 l i r i, ~

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Prairies Island Nuclear Generating Plant, Unit I Northern States Power Company 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55069 Inserv.ce Inspection Peport Log 8 I 14:u9 09/19/91 By ISO Comrnercial Service Date: December 16, 1973 ISO ASME Item Peport Number Method Pemarks Item System Exam Date Results 1-ISI-59A F-X. XX

91-249 VT-3 COL 1 BASE STEAM GENERATOR 11 06/19/91 NAD 1-ISI-59A F-X.

XX 91-124 t;TO COL 4 PIN BOTT STEAM GENCPATOR 12 06/04/91 NAD 1-ISI-59A F-X. XX 91-125 UTO l-COL 4 PIN BOTT STEAM CENERATOP 11 06/04/91 NAD l 1-ISI-59A F-X. XX 91-068 VT-1 COL 4 PIN BOTT STEAM CENEPATOR 12 06/04/91 NAD 1-ISI-59A F-X. XX 91-071 VT-1 COL 4 PIN BOTT STEAM GENERATOR 11 06/04/91 NAD 1-ISI-59A F-X. XX 91-251 VT-3 COL 4 PIN BOTT STEAM GENERATOR 12 06/07/91 NAD 1-ISI-59A F-X. XX 91-256 VT-3 COL 4 FIN BOTT STEAM GENERATOR 11 06/07/91 NAD 1-ISI-59A F X. XX 91-250 VT-3 COL.1 BASE STEAM GENERATOR 12 C6/10/91 N AD 1-ISI-61A F-K. XX 91-252 VT-3 COL 2 BASE PCC PUMP 11 06/10/91 NAD 1-ISI-61A F-X. XX 91-255

'T - 3 COL 3 BASE PCC PUMP 12 06/10/91 NAD Page 16 o f 30

WJ ___ _ a Northern Statee Powe Caepany , P r a t. r ie s Island Nuclear Generating Plant, Unit I 414 Nicollet Mall 1717 Wakenade Drive Minneapolie, MN $5401 welch, MN 55089 Inservice Inspection Peport Log 14:09 By ISO 09/19/91 ccerrercial Service Date: December 16, 1973 l Peport Number Method Pemarks l 150 ASME Item Exam Date Pesults l Item System l l F 1-ISI-61A F-X. XX 91-127 UTO COL J PIN B07 PCC PUMP 11 06/04/91 NAD 1-ISI-61A F-X. XX 91-126 UTO COL 3 PIN BOT RCC PUMP 12 06/04/91 ND i i 1-ISI-61A F-X. XX 91-C69 17 -1 COL 3 FIN BOT RCC PUMP 11 06/04/91 NAD 1-ISI-61A F-X. XX 91-070 VT-1 COL 3 PIN BOT PCC PUMP 12 06/04/91 NAD 1-ISI-61A F-X. XX 91-253 VT-3 COL 3 PIN BOT RCC PUMP 11 06/07/91 NAD 1-ISI-61A F-X. XX 91-254 ti-3 COL 3 PIN BOT PCC PUMP 12 06/07/91 NAD 1-ISI-63 F-X. XX 91-316 VT-3 FAD 1 ANCHOF STEAM GENEPATOR 11 06/17/91 NAD 1-ISI-63 F-X. XX 91-317 VT-3 PAD 2 ANCHOR STEAM GENEPATOR 11 06/17/91 NAD 1-ISI-63 T-X. XX 91-318 ti-3 PAD 3 ANCHOR STEAM GENEPA"OR 11 G6/17/91 NAD 1-ISI-63 F-X. XI 91-319 ti-3 PAD 4 ANCHOR STE W GENERATOR 11 06/17/9't NAD Page 17 of 30

4 1 i 4 j - t l Prairies Island Nuclear Generating Plant, Unit I Northern States Power Company 414 Nicollet Mall [ f 1717 Wakonade Drive Welch, MN 55089 Minneapolis. MN 55401 [ Inservice Inspection Peport Log y l By ISO 14:09 09/19/91 comercial Service Date: December.16, 1973 [ 1 0 ISO ASME Item Peport Number Method Pemarks l Item. System Exate Date Pesults ? i i l. 1-ISI-66 F-X. XX 91-123 VT-3 i PAD 1 ANCHOR PCC PUMP 12 06/05/91 NAD [ i j 1-IS7 B10.20 91-382 PT Code acceptable IWB-3518-2. i SUPPORT C RCC PUMP 12 0-6/25/91 IND Limited accese* r 4 I 1-151-66 F-X. XX 91-120 VT-3 f I SUPPORT C RCC PUMP 12 06/05/91 NAD 1-ISI-68A C5. 21 91-357-MT T MS-63 MAIN STEAM B 06/19/91 NAD j I i { 1-ISI-68A C5. 21 91-349 UT45 Limited access. MS-63 MAIN STEAM B' 06/19/91 NAD W '1-ISI-68A C3. 20 91-151 MT Limited uccess. j MSH-47/C MAIN STEAM B 06/06/91 PsAD 3 1-ISI-68A F-x. XX l 91-153R VT-3 Dirty Weld. Cleaned. Re-emam- ) MSH-47/C MAIN STEAM B 06/13/91 NAD ined. Satisfactory. t I 1-ISI-68B C5. 31 91-091-MT Limited access. f MS-185B MAIN STEAM RELIEF B C6/05191 NAD I i '1-ISI-688 C5. 31 91-144 UT45 Limited access. [ MS-185B MAIN STEAM RELIEF B. 06/06/91 NAD a 1 1-ISI-68B C5. 31 91-091 7 MS-18?D MAIN STEAM REI,IEF B 06/05/91 NAD i )' Page L6 of 30 4 [ t 6 i i i i

1 I Prairies Island Nuclear Generating Plant, Unit I Northern States Poseer Costpany 414 Nicollet Mall 1717 wakonade Drive Minneapolis, MN ?.5401 Welch, MN 55089 Inservice Inspection Peport Log 14:09 By ISO 09/19/91 Corrsnercial Service Date: Decerber 16, 1973 ISO ASME Item Peport Number Method Pemarks Exam Date Results Item System 4 f 1-151-68B C5. 21 91-143 UT45 Limited access. MS-187D MAIN STEAM RELIEF B 06/06/91 NAD J l 1-151-68B C5. 21 91-092 MT MS-188 MAIN STEAM B 06/05/91 NAD 1-ISI-68B C5. 21 91-142 UT45 Limited access. MS-188 MAIN STEAM B 06/06/91 NAD 1-ISI-68B F-X. XX 91-145 VT-3 Limited access. MsH-30/I MAIN STEAM B 06/06/11 NAD 1-ISI-695 C3. 20 91-293 MT Limited access. MSH-31/L MAIN STEAM B 06/12/91 NAD 1-ISI-68B F-X. XX 91-261 VT-3 MSH-31/L MAIN STEAM B 06/10/91 NAD 1-ISI-68B C3. 20 91-122 VT-3 PSH-90/N MAIN STEAM RELIEF B 06/05/91 NAD 1-ISI-68C C5. 21 91-365 MT MS-131 MAIN STEAM B 06/22/91 NAD 1-ISI-68C C5. 21 91-374 UT45 Limited Access MS-131 MAIN STEAM B 06/24/91 NAD 1-ISI-68C C5. 21 91-362 VT-1 MS-231 M11N STEAM B 06/22/91 NAD Fage 19 of 30

I 4 4 Prairies Island Nuclear Generating Plant I Unit I Northern States Power Cosepany l 1717 Wakonade Drive 414 Nicollet Mal) l Welch, MN 55089 Minneapolis, MN 55401 i i j Inservice Inspection. Report Log j 09/19/91 By 150. 14:09 i Cornmercial Service Date: December 16, 1973 l ISO .ASME Item Peport Number Method' Pemarks' j.- Item System Exam Date Results l l 1-ISI-68C C5. 21 91-363R MT gag gg g, MS-86 MAIN STEAM B 06/25/91 NAD { 1-ISI-68C C5. 21 91-373 UT45 Limited Access MS-E6 MAIN STEAM B 06/26/91 NAD 1-ISI-69A C5. 21 91-026 MT l W-216 (THIN) FEEDWATER B 05/03/91 NAD i-l 1-ISI-69A C5. 21 91-128 UT45 FW-216 (THIN) FEEDWATER S 06/03/91 GEO ) 1-ISI-69A C3. 20 91-206 VT-3 Limited access. WH-3 3 /S TEEDWATER B 06/08/91 NAD i } 1-ISI-69A C3. 20 91-207 VT-3 Limited access. FWM-35/LL FEEDWATER B 06/08/91 NAD 1-ISI-69B. C5. 21 91-204 MT 'FW-199 FEEDWATER B 06/08/91 NAD i 1-151-698 C5. 21 91-312 UT45 Limited access. ] FW-199 FEEDWATER B 06/13/91 NAD 1-ISI-69B C5. 21 91-201 MT FW-226 FEEDWATER B 06/08/91 NAD l 1-ISI-698 C5. 21 91-311 UT45 Limited access. i W-226 FEEDWATER 8 06/13/91 GEO Page 20 of 30 4 ) .J

i Prairies Island Nuclear Generating Plant, Jnit I Northern States Power Cowpany 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MM 55401 Welch, PN 55089 _ _ ~. Inservice Inspcctier. Report Log 14:09 09/19/91 By ISO Coreercial Service Date.2 Dec W r 16, 1973 ISO ASME Item Report. Number Method Pemarks ( Exam Date Results Item System f 1 4 1-ISI-69C C5. 21 91-066 MT Limited access. FW-172 FEEDWATER B 06/03/91 NAD 1 1 l 1-ISI-69C C5. 21 91-078 UT45 Limtted access. FW-172 FEEDWATER B 06/04/91 NAD 1-ISI-69C C5. 21 91-354P MT Fe-+Ma uruf af ter rtvark. FW-228 FEEDWATER 8 06/25/91 NAD I-ISI-69C C5. 21 91-375 UT45 Limited Access FW-228 FEEDWATER B 06/24/91 NAD I 1-ISI-69C C5. 21 91-361R VT-1 Tmx.ctire af ter ILv>rk. FW-228 FEEDWATER B 06/22/91 NAD 1-ISI-70 F-X. XX 91-210 VT-3 No loads on drawing. DWG re-GIPDER HGR # 1 STEAM GENERATOn 11 06/09/91 IND sised DPR-PI-91-096. 1-ISI-70 F-X. 75 91-205R VT-3 No loads on DWG. DWG to be GIRDER HGR /2 STEAM GENERANR 11 06/25/91 IND revised DPP-PI-91-096. 1-ISI-70 F-X. XX 91-208 VT-3 Ne loads on drawing. DWG re-cruDra HGR 1 STEAM GENERATOR 12 06/08/91' IND vised DPR-PI-91-096. 1-ISI-70 F-I. XX 91-209R VT-3 No 1 cads on drawing. DWG Pe-GIRDER HGR 2 STEAM GENERATOR 12 06/20/91 IND vised DPR-PI-91-096. 1-ISI-72 F-X. XX 91-186 VT-3 06/C8/91 NAD PAD 1 SNUB SOLT STEAM GENERATOR 11 9 Page 21 of 30 w

Prairies' Island Nuclear Generating Plant, Unit 1 Northern States Power Company 1117'wakonade Drivs 414 Nicollet Mall vielch, MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/91 By ISO 14:09 Comercial Service Date: December 16, 1973 ISO ASME Iteo Peport Number Method Remarks Item System Exam Date Results 1-151-72 F-X.-XX 91-132 UTO PAD 1 SNUB PIN- ' STEAM GENERATOR 11 06/05/91 GEO 1-151-72 F-K.'XX 91-136 tiO PAD 1 SNUB PIN STEAM GENERATOR 12 06/06/>1 GEO 1-ISI-72 T-X. XX 91-245 VT-1 PAD 1 $ NUB PIN STEAM GENEPATOR 11 06/09/91 NAD 1-ISI-72 F-X. XX 91-239 VT-1 PAD 1 SNUB PIN STEAM GENERATO9 12 06/09/91 NAD 1-ISI-72 F-X. XX 91-184 VT-3 PAD 1 SNUB PIN STEAM GENERATOR 11 05/08/91 NAD 1-ISI-72 F-X. XX 91-192 VT-3 PAD 1 SNUB PIN STEAM CENERATOR 12 06/08/91 NAD 1-ISI-72 F-X. XX 91-188 VT-3 PAD 1 SNUBBER STEAM GENERATOR 12 06/08/91 NAD 1-ISI-72 F-K. XX 91-187 VT-3 PAD 2 SNUB BOLT STEAM CENERATOR-11 06/08/91 NAD 1-ISI-72 T-X. XX 91-133 UTO PAD 2 SNUB PIN STEAM CENERATCR 11 06/05/91 NAD 1-ISI-72 F-X. XX 91-137 UTO PAD 2 SNUB PIN STEAM GENEPATOR 12 Of/06/91 GEO Page 22 of 30

,,I. I!! if 1[f!f pj j([! f![ iyIlF[i! if3f If rk1 fa_ C 3 yl 1 9 nl 0 0 f aa4 pM5 4 o m 5 1 3 ot 2 CeN l M e rl g eo, a wcs P oii PNl o s4 p e1 a = t 4 e a n t n S i M n r s e kr h . a tr 3 m o 7 e N 9 R 1 g 6 s o 1 d t L ol r h u 1 1 3 3 3 3 1 1 t e t s - D - D - D - D - D - D OO OD - D - D r b ee' TA TA TA TA TA TA TE TA TA TA o m MR VN VN VN VN VN VN UG UN VN VN p e e c R eD r n e o s b i e m I tot ue cS a-Nt 1 1 1 1 1 1 1 1 1 1 't eI D a 9 9 9 9 9 9 9 9 9 9 i p tD 6/ 0/ 3 / 3 / 9/ 5/ 4 / 8/ 7/ 1/ n sye r 3 9 4 9 88 98 8 8 88 35 3 6 3 9 49 U nB c om 2 0 2 0 1 0 1 0 1 0 1 0 1 0 1 0 2 0 2 0 I i pa - / - / - / - / - / - / - / - / - / - / v ex 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 t e r RE ~ 90 90 90 90 90 90 90 90 90 90 n c e a i S l v P r l e a 1 2 1 2 2 1 1 2 1 2 g s i 1 1 1 1 1 1 1 1 1 1 n n c i I r R R R R R R R R R R t e O O O O O 0 O O O O a n-T T T T T f T T T T r n A A A A A A A A A A e o R R R R P R R R R R n C E E E E E E E E E E e m N N N N N N N N N N G e XE XE XE XE XE XE XE XE ~ E XE t X G XG XG XG XG XG XG XG XG XG r I m a e .M .M .M .M .M . M . M M .M .M e Et X A XA XA XA XA XA XA XA XA XA l . M s E E E E E E E E C E ce S y - T - T - T - T - T - T - T - T - I - T uv AS TS FS FS FS FS FS FS FS FS FS Ni r dD9 T n 3 N N N N N N N N ae0 I I I I R O I I I I l d5 P P P P E B P P P P sa5 B I n B B B B-B B E B B B aN U U U U U U U U U U T skM 1 2 N 2* 2N 2 N 2 N 2 N 2 N 2N 2 N 2! i S 7 S. 7 S 7S 7 S 7 S 7 S 7 S 7 S 7S ea 9 ,$7 i W /' I 2 7 1 I 2 I 2 I 2 I 3 I 3~ 1 3 I 3 1 3 r h 9 S s S S S 3 S 5 S 5 i 7 c 1 I D I D 1 D I D 1 D I D I C r7 e 9 . S t . I D 1 D I a1 l / Oe O - A - A - A - A - A - A - A - A - A P1w 0 I I 1 P 1P 1 P 1 P 1 P 1 # 1 F 1 P 1 P 1P b gI9 I 1 ye kji !j;. .$)j!jj l j }i1i jit 4ll f ;; kil 4 ii-l Iil

-e.m ~ Northern States Power Cornpsny Prairias Island Nuclear Generating Plant, Unit I 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 14:03 09/19/91 By ISO -commercial Service Date: December 16, 1973 150 ASME Item Report Number Method Femarks Exam Date Results Item System 1-ISI-72 F-X. XX 91-182 VT-3 PAD 3 SNUB PIN STEAM GENERATOR 11 06/08/91 NAD l-151-72 F-X. XX 91-194 VT-3 PAD 3 SNUB PIN STEAM GENERATO't 12 06/CS/91 NAD 1-ISI-72 F-X. XX 91-190 VT-3 PAD 3 SNUBBER STEAM GENERATOR 12 06/08/91 NAD 1-151-72 F-X. XX 91-180 VI-3 PAP 4 SNUB BOLT STEAM GENERATOR 11 06/08/91 NAD 1-ISI-72 F-X. XX 91-135 UTO PAD 4 SNUB PIN STEAM GENERATOR 11 OC/05/91 NAD 1-151-72 F-X. XX 91-139 UTO PAD 4 SNUB PIN STEAM GENERATOR 12 06/06/91 GEO 1-ISI-72 F-X. XX 91-238 VT-1 PAD 4 SNUB PIN STEAM SENERATOR 11 06/09/91 seAD 1-ISI-72 F-X. XX 91-242 VT-1 PAD 4 SNUB PIN JTEAM GENERATOR 12 06/09/91 NAD 1-ISI-72 F-X. XX 91-181 VT-3 PAD 4 SNUB PIN STEAM GENERATOR 11 06/08/91 NAD 1-ISI-72 F-X. XX 91-195 VT-3 l PAD 4 SNUB PIN STEAM GENERATOR 12 06/08/91 NAD ~ Page 24 of 30

i i 4 - i i ? Prairies Islans Nuclear Generating Plant, Unit I Northern States Pcwer. Cornpany l l 1717 Wak'onade Drive 414 Nicollet Mall l Welch,'MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log l 09/19/91 By ISO 14:09 L Commercial Service Date: December 16, 1973 i j ~ ISO ASME Item Reoort Number Method Remarks [ l Item. System Exam Date Results f l ~ t 1-ISI-72 F-X. XX 91-191 VT-3 j PAD 4 SNUBBER STEAM GENERATOR 12 06/08/91 NAD l l 1-ISI-74 F-X. XX 91-218 VT-3 ANCHOR BOLTS ACCUMULATOR TANK 11 06/09/91 NAD f i 1-1S1-74 F-X. XX 91-219 VT-3 ' j ANCHOR BOLTS ACCUMULATOR TANK 12-06/09/91 NAD i [ i 1-ISI-81 C3. 20 91-324R VT-3 Clearance. Drawing to be re-f SIH-26/A RWST DISCHARGE 06/21/91 IND vised. DPR-PI-91-096. 1-ISI-81 C3. 20-91-007 VT-3 S1H-30/E RWST DISCHARGE 05/30/91 NAD E [ 1-ISI-82 C3. 20 91-102R VT-3 Loose hardware. Repaired. Re-i SIH-10/E SI PUMP A SUCTION 06/12/91 NAD examined; satisfactory. 1-ISI-82

" '. 20 91-101 VT-3 l

l SIH-8/G SI PUMP A SUCTION 06/05/91' NAD 1-ISI-82 C3. 20 91-100R VT-3 Limited access. Loose Nut, -I SIH-9"/K SI PUMP A SUCTION 06/11/91 NAD threads. Pepaired;Re-exaam sat I 1-ISI-82 C3. 20 91-098 VT-3 SIH-95/C SI PUMP A SUCTION 06/05/91 NAD . 7 1-ISI-82 C5. 11 91-291 PT I W-52 'SI PUMP A SUCTION 06/12/91-NAD L Page 25 of 30 1 i 4 W-7 mw9'-

i + ~ Prairies Island Nuclear Generating. Plant, Unit I Nortl arn States Power Company f 1717 Wakonade Drive ~ 414 Nicollet Mall [ Welch, MN'55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/91 By ISO 14:09 j Commercial Service Date: ecember 16, 1973 ISO ASME Item Report Number Method Remarks Item System Cxam' Late Results I j 1-ISI-82 C5. 11 91-290 PT W-73 SI-PUMP A SUCTION 06/12/91 NAD r 1-ISI-82 C5. 11 91-289 PT [ W-78 SI PUMP A SUCTIOrt 06/12/91 NAD 1-ISI-82 C5. 11 91-288 PT W-88 SI PUMP A SUCTION 06/12/91 .NAD i 1-I51-83 C3.'30 91-332 MT f t ' HOLDING LUG E SI PUHF~11 06/18/91 NAD l 1-ISI-83 F-X. XX .91-020 VT-3 I HOLDING LUG E SI PUMP 12 06/03/91 NAD l L 1-ISI-83 C3. 30 91-333R MT Paint removed to allow examin-HOLDING LUG F SI PUMP 11 06/25/91 NAD ation. L 1-ISI-83 F-X. XX 91-021 VT-3 ] HOLDING LUG F. SI PUMP 12 06/03/91 NAD f 1 1-ISI-83 F-X. XX 91-024 VT-3 i HOLDING LUG G SI PUMP 12 06/03/91 NAD i 1-I51-83 F-X. XX 91-025 VT-3 I HOLDING' LUG H SI PUMP 12 06/03/91 NAD I b 1-ISI-83 C3. 20 91-105R1 VT-3 Load settings off. Repaired. SIM-IS/D .SI PUMP A SUCTION 06/25/91 NAD Re-examined, satisfactory. Page 26 of 30 4\\ l l r y 8

i 5 I .' Prairies Island Nuclear Generating Plant, Un'it I Northern States Power Cortpany 1717 Wakonade Drive 414 Nicollet Mall Welch,.MN 55089 Minneapolis, MN 55401 I Inservice Inspection Report Log .09/19/91 By ISO 14:09 Commercial Service Date: December 16, 1973 l ISO ASME Item Report Number -Method Bemarks . Item System Exam Date Results 1-ISI-83 C3. 30 91-368 MT SUPPORT FOOT A SI PUMP 12 06/24/91 NAD i 1-ISI-83 C3. 30 91-377 VT-1 SUPPORT FOOT A SI PUMP 12 06/24/91 NAD j t 1-ISI-83 F-X. XX 91-018 VT-3 j SUPPORT FOOT A SI PUMP 12 06/03/91 NAD 1-ISI-83 C3. 30 91-369 MT SUPPORT FOOT B SI PUMP 12 06/24/91 NAD i 1-ISI-83 C3. 30. 91-378 VT-1 SUPPORT FOOT B SI PUMP 12 06/24/91 NAD i 1-ISI-83 F-X. XX 91-019 VT-3 SUPPORT FOOT B SI PUMP 12 06/03/91 NAD 1-ISI-83 F-X. XX 91-022 VT-3 lh f SUPPORT FOOT C SI PUMP 12 06/03/91 NAD i t t 1-ISI-83 F-X. XX 91-023 V*-3 SUPPORT FOOT D SI PUMP 12 06/03/91 'NAD i 1-ISI-83 CS. 11 91-287 PT 1 i W-15 .SI PUMP A SUCTION 06/12/91 NAD 1-ISI-83 C6. 10 91-334 MT Limited access. WELD DISCH END SI PUMP 11 06/18/91 NAD Page 27 of 30 I ..i I } i

Prairies Island Nuclear Generating Plant, Unit I Northern States Power Company 1717 Wakonada Drive '414 Nicollet Mall Welch, MN 55089 Minneapolis,'MN $5401 Inservice Inspection Report Log 09/19/91 By ISO 14:09 Commercial Service Dates December 16, 1973 ISO ASME Item Report Number Method Remarks Item . System Exam Date Results I-ISI-83 C6. 10 91-335 MT WELD SUCTN END SI PUMP 11 06/18/91 NAD 1-ISI-84 C3. 20 91-104 VT-3 SIH-82/T SI PUMP A SUCTION 06/05/91 NAD 1-ISI-84 C3. 20 91-099 VT-3 SIH-84/Q SI PUMP A SUCTION 06/05/91 NAD 1-I/1-84 C3. 20 91-103 VT-3 51H-87/N SI PUMP A SUCTION 06/05/91 NAD 1-ISI-84 C5. 11 91-292 PT W-31 SI PUMP A SUCTION 06/12/91 NAD I 1-ISI-85 F-X. XX 91-222 VT-3 RHRRH-12/D ACCUMULATOR DISCH B 06/09/91 NAD 1-151-85 F-X. XX 91-221R VT-3 Bolting unsatisfactory. Re-SIRH-19/A ACCUMULATOR DISCH A 06/20/91 NAD worked. Re-exam satisfactory. 1-ISI-86 F-X. XX 91-220 VT-1 . SUPPORT SKIRT ACCUMULATOR TANK 11 06/09/91 .'O.D 1-ISI-86 C1. 20 91-302 UTO Limited access. W-5 ACCUMULATOR DISCH B 06/12/91 NAD 1-ISI-86 C1. 20 91-303 UT45 Limited access. W-5' ACCUMULATOR DISCH B 06/12/91

iA Page 28 of 30

..----s.~, .w w y Prairies'. Island Nuclear' Generating. Plant,. Unit.I Northern States Power Company-i 1717 Wakonade Drive 414 Nicollet Mall Welch, MN.55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/91 By ISO 14:09 Commercial Service Date: December 16, 1973 ISO ASME Item Report Number Method Remarka Item. System Exam Date Results 4 i 1-ISI-86 C1. 20 91-304 UT60 Limited access. W-5 ACCUMULATOR DISCH B 06/12/91 NAD j f 1-ISI-86 C2. 21 91-359 PT [ W-7 ACCUMULATOR TANK 12 06/20/91 NAD 1-ISI-91 C5. 11-91-004 PT e b W-118 ALT CNMT SP SUC B 05/30/91 NAD t 1-ISI-91 C5. 11 91-011 PT W-225 ALT CNMT SP SUC A 05/31/91 NAD i 1-ISI-91 C5. 11 91-010 PT -l '[ W-232 ALT CNMT SP SUC B 05/31/91 NAD 2 1-ISI-91 C5. 11 91-301 PT Limited access. 'f W-31 ALT CNMT SP'SUC A 06/13/91 NAD 1-ISI-94 F-X. XX '91-028 VT-3 Drawing discrepancy. Drawing l SUPPORT A BORIC ACID TANK 121 06/01/91 IPD to be updated, DPR-PI-91-096. [ t 1-ISI-94 .F-X. X.X 91-029 VT-3 Drawing discrepancy. Drawing l SUPPORT B BORIC ACID TANK 121 06/01/91 IND to be updated, DPR-PI-91-096. a 1-ISI-94 F-X. XX 91-030 VT-3 Drawing Discrepancy. Drawing SUPPORT C BORIC ACID TANK 121 06/01/91 IND to be updated, DPR-PI-91-096. 1-ISI-94 'C1. 20 91-017 UT45 W-1 BORIC ACID TANK 121 06/01/91 NAD } Page 29 of 30 t T' .l .I

1 k L i s ~ Unit I , Northern States Power Company-j Prairies Island' Nuclear'Cenerating Plant, j 1717 Wakonade Drive .414 Nicollet Mall Welch, MN 55089' Minneapolis, MN 55401 Inservice Inspection Report Log C9/19/91 By ISO 14:09 Commercial Service Dates December 16,.1973 -L . i j 'k i ISO ASME Item Report Number ' Method. . Remarks Item. System Exam Date Results . 1-ISI-94 C2. 10 91-002 PT i W-3 BORIC ACID TANK 11 05/29/91 NAD _ t i Page 30 of 30 i ..i i t-i 1 [ I E' Y b i - ) k ' i ,-u m.,m____ _ _ ___ ...m. m

NORTHERN STATES POWER

SUMMARY

REPORT f INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 APPENDIX B - LIST OF INSPEOTIONS BY ASME ITEM Pages 1 to 30 follow i I l l PAGE 10 OF 13

4 ' Prairie; Island Nuclear Generating Plant, Unit'If . Northern States Power Company ~ 1717:Wakonade Drive. 414 Nicollet Mall-Minneapolis, MN 55401 Welch, MN'55089 Inservice Inspection Report Log 14:10 09/19/91~ -By ASME Item commercial Service-Date: December 16,.1973 ASME Item ISO Report Number' Method Remarks p System-Item Exam Date Resulte-Bl. ' 40 1-ISI 91-259 MT 4 REACTOR' VESSEL W-6 06/10/91 NAD Bl.'40 1-ISI-49 91-268 UTO REACTOR VESSEL W-6 06/10/91 -NAD Bl. 40 1-ISI-49 91-269 UT45 Limited access. l REACTOR VESSEL W-6 06/10/91 NAD l Bl. 40 1-ISI-49 91-270 UT60 Limited access. Code accept-REACTOR VESSEL .W-6 06/10/91 TND able, IWB3514-2. B10.20 1-ISI-66: 91-382 PT Code acceptable IWB-3518-2. RCC PUMP 12 SUPPORT C 06/25/91 IND Limited access. i B2. 10 1-ISI-41' 91-215 UTO i PRESSURIZER W-3 16*6*-6" 06/08/91 NAD l i B2..'10 1-ISI-41 91-217-UT45 PRESStJRIZER - W-3 16*6"-6" 06/08/91 NAD B2.-10 1-IS'I-41 91-244 UT60 PRESSURIZER W-3 16*6"-6" 06/08/91 N P_O B2. 10 1-ISI-41 91-247 UTO PRESSURIZER W-5 18*-24' 06/09/91 NAD B2. 10 1-ISI-41 91-248 UT45 i PRESSURIZER W-5 18*-24' 06/09/91 NAD Page 1 of 30 i

Northern States Power Company Prairie Island Nuclear Generating Plant, Unit I 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 14:10 f 09/19/91 By ASME Item Commercial Service Date: December 16, 1973 f ASME Item ISO Report Number Method Remarks l Item Exam Date Results System B2. 10 1-ISI-41 91-246 UT60 PRESSURIZER W-5 18*-24' 06/09/91 NAD B2. 11 1-ISI-41 91-214 UTO PRESSURIZER W-4 12*-24' 06/08/91 NAD B2. 11 1-ISI-41 91-216 UT45 PRESSURIZER W-4 12*-24' 06/08/91 NAD B2. 11 1-ISI-41 91-243 UT60 PRESSURIZER W-4 12*-24' 06/08/91 NAD B5. 70 1-ISI-12 91-352 PT Linear indications. Code Ac-STEAM GENERATOR 11 RCC-A-4 S.E. 06/19/91 IND eptable IWB3514-2. B5. 70 1-ISI-12 91-282 UT45 Limited access. STEAM GENERATOR 11 RCC-A-4 S.E. 06/11/91 NAD B5. 70 1-ISI-13 91-328 PT STEAM GENERATOR 12 RCC-B-4 S.E. 06/18/'31 NAD B5. 70 1-ISI-13 91-231 UT45 Limited access. STEAM GENERATOR 12 RCC-B-4 S.E. 06/11/91 NAD B5.130 1-ISI-12 91-353 PT STEAM GENERATOR 11 RCC-A-4 S.E. 06/19/91 NAD B5.130

-IJI-13 91-327 PT STEAM GENERATOR 12 RCC-B-4 S.E.

06/18/91 NAD Page 2 of 30

Prairie Island Nuclear Generating Plant, UnLt I Northern States Power Company 1717 Wakonade Drive 414 Nicollet Mall Welch, MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/911 By ASME-Item 14:10-comercial Service Date: December 16, 1973 ASME Item ISO .Repor'. Number _ Method Remarks. System Item Exam Date 'Resulte B6. 10 1-ISI-37 91-262 'MT REACTOR VESSEL NUTS 33-48 '06/10/91 NAD B6. 30 1-ISI-37 91-271 MT REACTOR VESSFL STUDS 33-48 06/11/91 NT.D B6. 30 1-ISI-37 91-274 UTO REACTOR VESSEL STUDS 33-48 06/11/91 NAD B6. 50 1-ISI-37 91-264 VT-1 -i REACTOR VESSEL WASHERS 33-48 06/10/91 NAD B6.180 1-ISI-14 91-233 UTO i RCC PUMP 11 BOLTS'17-24 06/08/91 NAD L I 'B6.180 1-ISI-34 91-226 UTO f RCC PUMP 12 BOLTS 17-24 06/08/91 NAD l B7. 20 1-ISI-42 91-170 VT-1 i PRESSURIZER BOLTS 11-16 06/07/91 NAD l B7. 30 1-ISI-43 91-175 MT STEAM GENERATOR 11 INLET 1-16 06/07/91 NAD

^

B7. 30 1-ISI-43 91-177 MT STEAM GENERATOR 12 INLET 1-16 06/07/91 NAD B7. 30 1-ISI-43 91-223 UTO STEAM GENERATOR 11 INLET 1-16 06/08/91 NAD Page 3 of 30 l

{ M Northern States Power Company Prairie Island Nuclear Generating Plant, Unit I 414 Nicollet Hall 1717 Wakonada Drive Minneapolis, MN 55401 Welch, MM 55089 Inservice Inspection Report Log 14:10 09/19/91 By ASME Item commercial Service Dates December 16, 1973 ASHA Item ISO Report Number Method Remarks Item Exam Date Results System B7. 30 1-ISI-43 91-224 UTO STEAM GENERATOR 12 INLET 1-16 06/03/91 NAD B7. 30 1-ISI-43 91-171 VT-1 STEAM GENERATOR 11 INLET 1-16 06/07/91 NAD B7. 30 1-ISI-43 91-173 VT-1 STEAM GENERATOR 12 INLET 1-16 06/07/91 NAD B7. 30 1-ISI-43 91-176 MT STEAM GENERATOR 11 OUTLET I-16 06/07/91 NAD B7. 30 1-ISI-43 91-178 MT STEAM GENERATOR 12 OUTLET 1-16 06/07/91 NAD B7. 30 1-ISI-43 91-230 UTO STEAM GENERATOR 11 OUTLET 1-16 06/08/91 NAD B7. 30 1-ISI-43 91-2.31 UTO i STEAM GENERATOR 12 CUTLET 1-16 06/08/91 NAD B7. 30 { 1-ISI-43 91-172 VT-1 STEAM GENERATOR 11 OUTLET 1-16 06/07/91 NAL I B7. 30 1-ISI ' 91-174 VT-1 STEAM GENERATOR 12 OUTLET 1-16 06/07/91 NAD B7. 40 1-ISI-45 91-C80 VT-1 LETDOWN HT EXCHANGER BOLTS 9-12 06/05/91 NAD Page 4 of 30 i

m Northern States Power Company Prairie Island Nuclear Generating Plant, Unit I 414 Nicollet Mall 1717 Wakoncde Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 14:10 By ASPE Item 09/19/91 Commercial Service Date: December 16, 1973 ASME Item ISO Report Nu:nber Method Remarks Item Exam Date Results l System I 1-ISI-29 91-072 VT-1 B7. 50 PRFSSURIZER SAFETY B FLG @ 8010B 06/04/91 NAD B7. 60 1-ISI-35 91-213 MT RCC PUMP 12 LOWER 9-12 06/08/91 NAD B7. 60 1-ISI-35 91-228 UTO RCC PUMP 12 LOWER 9-12 06/08/91 NAD B7. 60 1-ISI-35 91-227 VT-1 RCC PUMP 12 Lower 1-12 C6/08/91 NAD B7. 73 1-ISI-7 91-038 VT-1 RTD TAKE OFF COLD A RC-1-6 06/03/91 NAD B7. 70 1-ISI-7 91-039 VT-1 RTD TAKE OFF COLD A RC-1-8 06/03/91 NAD S7. 70 1-ISI-B 91-040 VT-1 RTD TAKE OFF HOT A RC-I-11 06/03/91 NAD l B7. 70 1-ISI-10 91-117 VT-1 DRAI*' ON CROSSOVER A RC-1-2 (T-58) 06/05/91 UAD B7. U 1-ISI-22 91-045 VT-1 RTD TAKE OFF COLD B RC-1-15 06/03/91 NAD B7. 70 1-ISI-22 91-046 VT-1 RTD TAKE OFF COLD B RC-1-16 06/03/91 NAD Page 5 of 30 N

Prairie Island Nuclear Generating Plant, Unit I Northern States Power' Company 1717 Wakonade Drive 414 Nicollet Mall Welch, MN 55089 Minneapolis, MN.55401 Inservice Inspection Report Log 09/19/91-By ASME Item 14:10 Commercial Service Date:-December 16, 1973 -i i ASME Item ISO-Report Number Method Remarks System Item Exam Date Results r B7. 70 1-ISI-23 91-047 VT-1 RTD TAKE OFF HOT B RC'-1-14 06/03/91 NAD B7. 70 1-ISI-25 91-081 VT-1 DRAIN ON CROSSOVER B RC-1-4 (T-58) 06/05/91 NAD B7. 70. 1-ISI-30 91-106 'VT-1 RX SI LOW HEAD B 8844B 06/05/91 NAD BB. 20 1-ISI-41 91-258 UT45 PRESSURIZER W-6 18'-24.2* 06/09/91 NAD B9.'ll 1-ISI-17 91-331 PT ACCUMULATOR DISCH B W-10 06/18/91 NAD [ i B9. 11 1-ISI-17 91-347 UT45 ACCUMULATOR DISCH B W-10 06/18/91 NAD r B9. 11 ISI-17 91-330 PT Limited access. ACCUMULATOR DISCH B W-9 ~06/18/91 NAD B9. 11 1-ISI-17 91-346 UT45 Limited access. f ACCUMULATOR DISCH B W-9 06/18/91 NAD j B9. 11 1-ISI-30 91-107 PT Arc Strikes. Non-ISI VT. Re- [ RX SI LOW HEAD B W-3 06/05/91 NAD moved. Re-exam satisfactory. B9. 11 1-IS::-30 91-113 UT45 Limited access. RX SI LOW HEAD B 'W-3 06/13/91 GEO L Page 6 of 30

l& Northern States Power Cornpany Unit I Prairie Island Nuclear Generating Plant, 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 14:10 By ASME Item 09/19/91 Commercial Service Date December 16, 1973 i i iteport Number Method Remarks ISO ASME Item Exam Date Results Item System 1-ISI-7 91-056 PT B9. 21 NAD RTD TAKE OFF COLD A W-7 06/03/91 1-ISI-8 91-057 PT B9. 21 RTD TAKE OFF HOT A W-17 06/03/91 NAD 1-ISI-8 91-058 PT B9. 21 f NAD W-21 06/03/91 RTD TAKE OFF HOT A 1-ISI-10 91-358 PT

89. 21 DRAIN ON CROSSOVER A W-12 06/20/91 NAD 1-ISI-1C 91-308 PT B9. 21 CHARGING LINE B W-3OR 06/14/91 NAD 1-ISI-IC 91-309 PT

89. 21 W-31R 06/14/91 NAD CHARGING LINE B 1-ISI-22 91-342 PT B9. 21 RTD TAKE OFF COLD B W-4 06/19/91 NAD 1-ISI-23 91-329 PT B9. 21 RTD TAKE OFF MOT B W-16 06/18/91 NAD 1-ISI-23 91-055 PT P9 21 1.D TAKE OFF HOT B W-19 06/03/91 NAD 1-ISI-25 91-141 PT B9. 21 DRAIN ON CROSSOVER B W-4 06/06/91 NAD Page 7 of 30

Northern States Power Company Prairie Island Nuclear Generating Plant, Unit I 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 14:10 09/19/91 By ASME Item Commercial Service Date: December 16, 1973 ASME Item ISO Report Number Method Remarks Item Exam Date Results l System B9. 21 1-ISI-33 91-109 PT RX SI LOW HEAD A W-3 06/05/91 NAD B9. 21 1-ISI-33 91-111 PT RX SI LOW HEAD A W-4 06/05/91 NAD

89. 21 1-ISI-33 91-113R1 PT Linear indications. Removed.

RX SI LOW HEAD B W-6 06/19/91 NAD Re-examoined, satisfactory.

89. 40 1-ISI-7 91-059 PT RTD TAKE OFF COLD A W-12 06/03/91 NAD B9. 40 1-ISI-22 91-343 PT RTD TAKE OFF COLD B W-6A 06/19/91 rJAD B9. 40 1-ISI-25 91-079 PT DRAIN ON CROSSOVER B W-10 06/05/91 NAD B9. 40 1-ISI-33 91-115 PT RX SI LOW HEAD A W-12 06/05/91 NAD cl. 10 1-ISI-43 91-166 UTO Limited access.

j STEAM GENERATOR 11 W-F 06/06/91 NAD C1. 10 1-ISI-43 91-167 UT45 Limited access. Indications STEAM GENERATOR 11 W-F 06/06/91 IND analyzed and accepted. C1. 10 1-ISI-43 91-164 UT60 Poor access. STEAM GENERATOR 11 W-F 06/C6/91 NAD Page S of 30

Prairie: Island Nuclear Generating Plant, Unit I Northern States Power Company. 1717 Wakonade Drive. 414 Nicollet Mall' welch,;MN 55089 Minneapolis, MN 55401

Insehvice Inspection Report Log 09/19/91 By ASME Item 14:10 Commercial Service Date: Decereber 16, 1973 ASME Item ISO Report Number Method Remarks System Item Exam Date Resul+a C1. 20 1-ISI 91-345 UTO STEAM GENERATOR 11 W-H 09/18/91 NAD C1. 20 1-ISI-43 91-348 UT45 W FRACTURE ANALYSIS ACCEPTABLE STEAM GENERATOR 11 W-H 06/18/91 IND C1. 20 1-ISI-43 91-344 UT60 W FRACTURE ANALYSIS ACCEPTABLE STEAM GENERATOR 11 W-H 09/18/91 IND C1. 20 1-ISI-86 91-302 UTO Limited access.

ACCUMUI.ATOR DISCH B W-5 06/12/91 NAD L l C1. 20 1-ISI-86 91-303 UT45 Limited access. i l P ACCUMULATOR DISCH B W-5 06/12/91 NAD 1 C1. 20 1-ISI-86 91-304 UT60 Limited access. ACCUMULATOP. DISCH B W 06/12/91 NAD C1. 20 1-ISI-94 91-017 UT45 EORIC AUID TANK 121 W-1 06/01/91 NAD g r C2. 10 1-ISI-94 91-002 PT l BORIC ACID TANK 11 W-3 G5/29/91 NAD C2. 21 1-ISI-43 91-031 MT STEAM GENERATOR 12 N-4 06/03/91 NAD 1 C2. 21 1-ISI-43 91-095 UT 0 Limited access. STEAM GENERATOR 12 N-4' 06/04/91 .NAD Page 9 of 30 4 y

t Prairie Island Nuclear Generating' Plant, Unit.I ' Northern States Power' Company 1717 Wakonade Drive 1414 Nicollet Mall Welch, MN 55089 Minneapolis, MNL55401 L Innervice Inspection Report Log 09/19/91-By ASME Item 14:10' Commercial Service ate: December 16, 1973 t ASME Item ISO Report. Number Method Remarks System . Item Exam Date .Results C2. 21 1-ISI-43 91-096 UT45 ' Limited access. STEAM GENERATOR 12 _N-4 06/04/91 NAD C2. 21 1-ISI-43 91-097 UT60 Limited access. Linear. Ac-STEAM CENERATOR 12 N-4 06/04/91 IND cepted - PI SG Flaw Handbook. 1 l t C2. 21 1-ISI-86 91-359 PT I I ACCUMULATOR TANK 12 W-7 06/20/91 NAD t i C3. 20 1-ISI-51A 91-356 MT Limited acceso. MAIN STEAM A MSH-36/F 06/19/91 NAD i C3. 20 1-ISI-51A 91-150 MT Limited access. r MAIN STEAM A MSH-46/C 06/06/91 NAD C3. 20 1-ISI-51B 91-286R VT-3 Bottomed indicator. Repaired, l MAIN STEAM RELIEF A MSDH-23/K 06/20/91 NAD re-examined and accepted. C3. 20 .1-ISI-51B 91-267 VT-3 MAIN STEAM A MSH-37/I-06/11/91 NAD i C3. 20 2-ISI-51B 91-266 VT-3 MAIN STEAM A MSH-38/J 06/11/91 NAD I C3. 20 1-ISI-52A 91-152R MT Arc strike. Repaired, re-exam-FEEDWATER:A' FWH-28/QQ 06/13/91 NAD ined. Satisfactory. C3. 20 1-ISI-52A 91-015 MT FEEDWATER A FWH-43/W 06/02/91 NAD L l Page 10 of 30 I f h t %+-m -t w

'Prairio Island' Nuclear Generating Plant, Unit I Northern States Power Company 1717'Wakonade Drive 414 Nicollet Mall Welch, MN 55089 . Minneapolis, MN 55401 Inservice Inspection Report Log' 09/19/91 .By ASME Item 14:10 Cornmercial Service Dater Decettber 16, 1973 L ASME Item ' ISO- ' Report Number Method Remarks' System-Item' Exam Date Results C3. 20 1-ISI-52A '91-305 MT FEEDWATER A' FWH-45/T 06/13/91 NAD C3. 20 1-ISI-68A 91-151 Mr Limited access. MAIN STEAM B MSH-47/C 06/06/91 NAD C3. 20 1-ISI-68B 91-293 MT ' Limited access. MAIN STEAM B MSH-31/L 06/12/91 NAD C3. 20 1-ISI-68B 91-122 VT-3 MAIN STEAM RELIEF B MSH-90/N 06/05/91 NAD E C3. 20 1-ISI-69A 91-206 VT-3 Limited access. FEEDWATER B FWH-33/s. 06/Oti/91 NAD i C3. 20 1-ISI-69A 91-207 VT-3 Lignited access. FEEDWATER B FWH-35/LL 06/08/91 NAD C3. 20 1-ISI-81 91-324R VT-3 Clearance. Drawing to be re-RWST DISCHARGE SIH-26/A 06/21/91 IND vised. DPR-PI-91-09L.. C3. 20 1-ISI-81 91-007 VT-3 RWST. DISCHARGE 'SIH-30/E. 05/30/91 NAD C3. 20 1-ISI-82 91-102R VT-3 Loose hardware. Repaired. Re-SI PUMP A SUCTION SIH-10/E 06/12/91 NAD examined; satisfactory. 1 C3. 20 1-ISI-82 91-101 VT-3 SI PUMP A SUCTION SIH-8/G 06/05/91 NAD. i Page 11 of 30 I e

,-s Prairie Island Nuclear Generating Plant, Unit I Northern Staten Power Company 1717 Wakonade Drive 414 Nicollet' Mall Welch, MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/91 By ASME Item 14:10 Commercial Service Date: December 16, 1973 ASME Item ISO Report Number Method Remarks System Item Exam Date Re9ults C3. 20 1-ISI-82 91-100R VT-3 Limited access. Loose Nut, SI PUMP A SUCTION .SIH-91/K-06/11/91 NAD threads. Repaired;Re-exaam sat C3. 20' 1-ISI-82 91-098 VT-3 SI PUMP A SUCTION SIH-95/c-06/05/91 NAD i C3. 20 1-ISI-83 91-105R1 VT-3 Load settings off. Repaired. f SI PUMP A SUCTION SIH-15/D 06/25/91 NAD Re-examined, satiefactory. C3. 20 1-ISI-84 91-104 VT-3 SI PUMP A SUCTION SIH-81/T 06/05/91 NAD .i C3. 20 1-ISI-84 91-099 VT-3 1 SI. PUMP A SUCTION SIH-84/Q 06/05/91 NAD ' C3. 20 1-ISI-84 91-103 VT-3 SI PUMP A SUCTION SIH-87/N 06/05/91 NAD ? C3. 30 1-ISI-83' 91-332 MT ) SI PUMP 11 HOLDING LUG E 06/18/91 NAD C3. 30 1-ISI-83' 91-333R' MT Paint removed to allow examin- ] f ' HOLDING LUG F 06/25/91 NAD ation. SI PUMP 11 '[ C3. 30 1-ISI-83 91-368 MT SI PUMP 12 SUPPORT FOOT A 06/24/91 NAD t i C3. 30 1-ISI-83 91-377 VT-1 SI PUMP 12 SUPPORT FOOT A 06/24/91 NAD Page 12 of 30 f ( u - - ~ -

Northern States Power Company Unit I Prairie Island Nuclear Generating Plant, 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Re et Log 14:10 By ASME Item 09/19/91 Ccxnmercial Service Date: December 16, 1973 heport Number Method Pemarks 150 ASME Item Exam Date Results Item System 1-ISI-83 91-369 MT C3. 30 SUPPORT FOOT B 06/24/91 NAD SI PUMP 32 1-ISI-83 91-378 VT-1 C3. 30 SUPPORT FOOT B 06/24/91 NAD S1 PUMP 12 1-ISI-51B 91-065 MT C5. 11 MAIN STEAM A MS-147 06/03/91 NAD 1-ISI-51B 91-064 MT C5. 11 MAIN STEAM A MS~140 06/03/91 NED 1-ISI-55 91-003 PT C5. 11 SAFETY INJECTION A W-120 05/30/91 NAD 1-ISI-55 91-147R1 PT Linear indications. Removed, SAFLTY INJECTION A W-1288 06/14/91 NAD re-examined. Satisfactory. C5. 11 1-ISI-55 91-146R VT-1 Gouge. Blended. Peexanined, SAFETY INJECTION A W-1288 06/14/91 NAD satisfactory. C5. 11 1-ISI-82 91-291 PT C5. 11 CI PUMP A SUCTION W-52 06/12/91 NAD 1-ISI-82 91-290 PT C5. 11 SI PUMP A SUCTION W-73 06/12/91 NAD 1-ISI-82 91-289 PT C5. 11 SI PUMP A SUCTION W-78 06/12/91 NAD Page 13 of 30 s

Northern States Power Company Prairie Island Nuclear Generating Plant, Unit I 414 Nicollet Hall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 14:10 09/19/91 By ASME Item Commercial Service Dater December 16, 1973 ASME Item ISO Report Number Method Remarks Item Exam Date Results System C5. 11 1-ISI-82 91-288 PT SI PUMP A SUCTION W-88 06/12/91 NAD C5. 11 1-ISI-83 91-287 PT SI PUMP A SUCTION W-15 06/12/91 NAD C5. 11 1-ISI-84 91-292 PT SI PUMP A SUCTION W-31 06/12/91 NAD C5. 11 1-ISI-91 91-004 PT ALT CNMT SP SUC B W-110 05/30/91 NAD C5. 11 1-ISI-91 91-011 PT ALT CNMT SP SUC A W-225 05/31/91

TAD C5. 11 1-ISI-91 91-010 PT ALT CNMT SP SUC B W-232 05/31/91 NAD C5. 11 1-ISI-91 91-301 PT Limited access.

ALT CNMT SP SUC A W-31 06/13/91 NAD C5. 21 1-ISI-51B 91-273 MT Limited access. MAIN STEAM A MS-13 06/11/91 NAD C5. 21 1-ISI-51B 91-351 UT45 Limited access. MAIN STEAM A MS-13 06/37/91 NAD C5. 21 1-ISI-51B 91-202 MT MAIN STEAM A MS-16 06/08/91 NAD Page 14 of 30

1 4 Prairie Island Nuclear Generating Plant, Unit I Northern States Power Company i 1717 Wakonade Drive 414 Nicollet Mall Welch, MN 55089 Minneapolis, MN 55401 3 l Inservice Inspection Repert Log 09/19/91 By ASME Item' 14:10 4 i commercial Service Date: December-16,.1973 ASME Item ISO Report Number Method Remarks System Item Exam Date -Results l C5. 21 '. 1-ISI-518 91-350 UT45 Limited access. MAIN STEAM A-MS-18 06/17/91 NAD s C5. 21 1-ISI-51B 91-370 MT Limited Access i MAIN STEAM RELIEF A MS-182 06/74/91 NAD C5. 21 1-ISI-51B 91-371 MT Limited Access (AIKpented). MAIN STEAM RELIEF A HS-182 06/24/91 NAD s C5. 21-1-ISI-51B 91-380 UT45 Limited Access MAIN STEAM RELIEF A MS-182 06/24/91 NAD C5. 21 1-ISI-51B 91-381 UT45 Limited Access Uurpented) MAIN STEAM RELIEF A MS-182 06/24/91 NAD C5. 21 1-ISI-51D 91-366R MT pe-eyanimd af ter rework.' { MAIN' STEAM A MS-144 06/25/91 NAD j C5. 21 1-ISI-51D 91-367 VT-1 I MAIN STEAM A MS-144 06/22/91 NAD C5. 21 1-ISI-52A 91-179 MT FEEDWATER A FW-154 06/08/91 NAD C5. 21 1-ISI-52A 91-300 .UT45 Limited access. j FEEDWATER A FW-154 06/12/91 NAD C5.'21 1-ISI-52A 91-016 MT f FEEDWATER A FW-164 (THIN) 06/02/91 NAD Page 15 of 30 i l

Northern States Power Com;.tny Prairie Island Nuclear Generating Plant, Unit I 414 Nicollet M311 1717 Wakonsde Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 14:10 09/19/91 By ASME Item Commercial Service Date: December 16, 1973 ASME Item ISO Report Number Method Remarks Item Exam Date Results System C5. 21 1-ISI-52A 91-129 UT45 FEEDWATER A FW-164 (THIN) 06/03/91 GEO C5. 21 1-ISI-52B 91-203 MT Arc Strikes, non-ISI VT. Pe-FEEDWATER A FW-122 06/08/91 NAD moved, re-exam, satisfactory. C5. 21 1-ISI-52B 91-310 UT45 Limited access. FEEDWATER A FW-122 06/13/91 NAD C5. 21 1-ISI-52C 91-372 MT FEEDWATER A FW-118 06/22/91 NAD C5. 21 1-ISI-52C 91-376 UT45 Limited Access FEEDWATER A FW-118 06/24/91 NAD C5. 21 1-ISI-52C 91-379 VT-1 FEEDWATER A FW-118 06/24/91 NAD C5. 21 1-ISI-68A 91-357 MT MAIN STEAM B MS-63 06/19/91 NAD C5. 21 1-ISI-68A 91-349 UT45 Limited access. MAIN STEAM B MS-63 06/19/91 NAD C5. 21 1-ISI-68B 91-092 MT MAIN STEAM B MS-188 06/05/91 NAD C5. 21 1-ISI-68B 91-142 UT45 Limited access. MAIN STEAM B MS-188 06/06/91 NAD Page 16 of 30

. Prairie" Island Nuclear Generating Plant, Unit..I Northern Stateo Power Company 1717 Wakonade Drive 414 Nicollet Mall' Welch, MN 55089 Minneapolis, MN 55401 ' Inservice Inspection Report Log' .09/19/91 By ASME Item 14i10 Commercial' Service Date: December 16, 1973 ASME Item ISO. Report Number Method R-amarks [ System. Item Exam Date Results C5. 21 1-ISI-66C 91-365 MT MAIN STEAM B MS-131 06/22/91 NAD. C5. 21 1-ISI-68C 91-374 UT45 Limited Access MAIN STEAM B MS-131 06/24/91 NAD l C5. 21 1-ISI-6BC 91-362 VT-1 MAIN STEAM B MS-131 06/22/91 NAD C5. 21 1-ISI-68C. 91-363R MT P dM Mk*r TNd. MAIN STEAM B MS-86 06/25/91 NAD t C5. 21 1-ISI-68C 91-373 UT45 Limited Access MAIN STEAM B MS-86 06/26/91 NAD C5. 21 1-ISI-69A 91-026 MT FEEDWATER B FW-216 (THIN) 06/03/91 NAD C5. 21 1-ISI-69A 91-128 UT45 h FEEDWATER B FW-216 (THIN) 06/03/91 GEO C5. 21 1-ISI-69B 91-204 MT FEEDWATER B FW-199 06/08/91 NAD C5. 21 1-ISI-69B 91-312 UT45 Limited access. FEEDWATER B' FW-199 06/13/91 NAD C5. 21 1-ISI-69B 91-201 MT FEEDWATER B FW-226 06/08/91 NAD i Page 17 of 30 I

Prairie Island Nuclear Generating Plant, Unit I Northern States Power Company 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 Welch, MN 55089 Inservice Inspection Report Log 09/19/91 By ASME Item 14:10 Commercial Service Date: December 16, 1973 ASME Item ISO Report Number Method Pemarks System Item Exam Date Results C5. 21 1-ISI-69B 91-311 UT45 Limited access. j FEEDWATER B FW-226 06/13/91 GEO C5. 21 1-ISI-690 91-066 MT Limited access. FEEDWATER B FW-172 06/03/91 NAD C5. 21 1-ISI-69C 91-078 UT45 Limited access. FEEDWATER B FW-172 06/04/91 NAD C5. 21 1-ISI-69C 91-364R MT PC-examine after rework. FEEDWATER B FW-228 06/25/91 NAD C5. 21 1-ISI-69C 91-375 UT45 Limited Access FEEDWATER B FW-228 06/24/91 NAD C5. 21 1-ISI-69C 91-361R VT-1 PecamirY3 after rewark. FEEDWATER B FW-228 06/22/91 NAD C5. 31 1-ISI-68B 91-093 MT Limited access. l MAIN STEAM RELIEF B MS-185B 06/05/91 NAD C5. 31 1-ISI-688 91-144 UT45 Limited access. MAIN STEAM RELIEF B MS-1858 06/06/91 NAD C5. 31 1-ISI-68B 91-091 MT MAIN STEAM RELI"F B MS-187D 06/05/91 NAv C5. 31 1-ISI-68B 91-143 UT45 Limited access. MAIN STEAM RELIEF B MS-187D 06/06/91 NAO Page 18 of 30

I Prairie Island Nuclear Generating Plant, Unit.I Northern States Power Company 1717 Wakonade Drive 414 Nicollet Mall Welch, MN 55089 Minneapolis, MN 55401 Inservice Inspection Peport Log 09/19/91 'By.ASME Item 14:10 I Commercial Service Dater December 16, 1973 ASME Item ISO-Report Number Method Remarks System . It em - ' Exam Date .Results C6.-10 .1-ISI-83. 91-334 MT Limited access. SI PUMP II WELD DISCH END 06/18/91 NAD C6. 10 1-ISI-83 91-335 MT SI PUMP 11 WELD SUCTN END 06/18/91 NAD f F-X. XX 1-ISI-6 . 91-074 VT-3 RID RETURN A 138-RTD-4B/B 06/04/91 NAD F-X. XX' 1-ISI-7 91-035 VT -3 RTD TAKE OFF COLD A 138-RTD-1/A 06/03/91 NAD E l F-X. XX 1-ISI-7 91-036 VT-3 r RTD TAKE OFF COLD A' RPCH-171/E 06/03/91 'NAD f F-X. XX-1-ISI-8 91-075 VT-3 RTD TAKE OFF HOT A'

138-RTD-5/C 06/04/91 NAD F-X. XX-1-ISI-.8' 91-034 VT-3 RTD TAKE OFF HOT A.

RPCH 'ats/D 06/03/91 NAD F-X. XX 1-ISI-10 91-121 VT-3 i DRAIN ON CROSSOVER A RPCH-12/B 06/05/91 NAD R t F-X. XX 1-ISI-13' 91-050' VT-3 RCC CROSSOVER B B1 06/03/91 NAD F-X.-XX 3-ISI-13'- 91-051 VT-3 RCC CROSSOVER B B2 06/03/91 NAD l i i Page 19 of '30 f n .1 .e-3 w -

Northern States Power Company Unit I Prairie Island Nuclear Generating Plant, 414 Nicv11et Mall 1717 Wakonade Drive Minneapolis, MN 55401 ' Welch, MN 55089 Inservice Inspection Report Log 14:10 By ASME Item I 09/19/91 Cotrenercial Service Date: Decee.ber 16, 1973 ASME Item ISO Peport Nu:tber Method Remarks t Ex_m Date Results Item System 1-ISI-17 91-085 VT-3 F-X. XX ACCUMULATOR DISCH B 100-SIS-1/A 06/05/91 NAD 1-ISI-17 91-086R VT-3 Thread engagement unsat. Ana-ACCUMULATOR DISCH B 100-SIS-2/B 06/20/91 IND lyzed acceptable (Teledyne). F-X. XX 1-ISI-21 91-076 VT-3 F-X. XX RTD RETURN B 137-RTD-4B/B 06/04/91 NAD 1-ISI-22 91-067 VT-3 Pipe touches Restraint. To be RTD TAKE OFF COLD A 137-RTD-3/D 06/03/91 IND reinspected hot. WR-R42CS-RC-Q F-X. XX 1-ISI-22 91-052 VT. F-X. XX RTD TAKE OFF COLD A RPCH-170/C 06/03/91 NAD 1-ISI-23 91-054 VT-3 F-X. XX RTD TAKE OFF HOT B 137-RTD-6/D 06/03/91 NAD I 1-ISI-23 91-053 VT-3 F-X. XX RTD TAKE OFF HOT B RPCH-137/B 06/03/91 NAD 1-ISI-28 91-320 VT-3 F-X. XX PRESSURIZER SURGE 134-RC-3/C 06/17/91 NAD F-X. XX 1-ICI-28 91-321 VT-3 PRESSURIZER SURGE 134-RC-4/C1 06/17/91 NAD F-X. XX 1-ISI-28 91-322 VT-3 PRESSURIZER SURGE 134-RC-8/H 06/17/91 NAD Page 20 of 30

Northern Stdtes Powdr Company -Prairie Island Nuclear COnerating Plant, 414 Nicollet Mall Unit I 1717 Wakonade Drive Minneapolie, MN 55401 Welch, MN 55089 Inservice Inspect _ ion Report Loq 14:10 By ASME Item 09/19/91 Comme cial Service Date: Decerreer 16, 1973 ASME Item Iso Report Na-nber Method Remarks Exam Jate Pesulte Item System l F-X. XX 1-ISI-28 91-323 , VT-3 PRESSURIZER SURGE ROPH-43/D 06/17/91 NAD 1-ISI-30 l 91-788 VT-3 F-X. XX RX SAFETY INJ'N B IO2-SIS-2'B2 06/03/91 NAD F-X. XX 1-ISI-30 91-08i VT-3 RX SAFETY INJ'N B SIRH-12/A1 06/05/91 NAD F-X. XX 1-ISI-31 91-077R VT-3 Bolt Gap. Reworked, reinepect-PRESSURIZER RELIEF 112-PC-24/B 06/20/91 NAD ed. Satisfactor'f. F-X. XX 1-ISI-33 91-285 V"-3 RX SAFETY INJ'N B RSIH-415/B 06/1?/91 1;AD VT-3 F-X. XX 1-ISI-41 91-295 W-6 18*-24.2* I 06/12/91 NAD FRESSURIZER f F-X. 2X 1-ISI-51A 91-196 VT-3 MAIN STEAM A MSH-36/F 06/08/91 NAD F-X. XX 1-ISI-51A 91-162 VT-3 MAIN STEAM A MSH-46/C 06/06/91 NAD F-X. XX 1-ISI-52A 91-154R VT-3 Arc s.trike. Repaired, re-exam-FEEDWATER A FWH-23 /72 C6/14/91 NAD ined. Satisfactory. F-X. XX 1-151-52,5 91-168 VT-3 FEEDWATER S TWH-43/h* 06/06/91 NAD Page 21 of 30

j1Il J[ij ,I 0 3 yl1 0 nl 0 1 f aa4 o pM5 4 m 5 1 2 ot 2 CeN l M e rl g eo a wcs P oii PNl o s4 p e1 a t4 e a n t n -: ' i M nr a e k h t a tr 3 o 7 N 9 . R 1 g 6 s o 1 dt L . ol r h u 3 3 1 1 3 3 3 3 - D - D - D - D - D TM e t s - D - D OD OD TA TA TA TA TA b ee TA TA TA TA m Mn VN VN UN UN VT VN VN VN VN VN p e i e c R me eD r nt e oI : b i a m tEt ue I cM a Nt 1 1 1 1 1 1 1 1 1 7 eSD a 9 9 9 9 9 9 9 9 9 9 t pA tD 5/ 9/ 4/ 5/ 8/ 1/ 1/ 6/ 0/ 2/ i s e r 56 4 0 24 24 64 7 4 57 57 50 5 0 n nyc oa 10 21 1 0 1 0 00 0G 20 20 21 21 U I Bi pa - / - / - / - / - / - / - / - / - / - / n v ex 16 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 e r RE 90 90 90 90 90 90 90 9C 90 90 t. c e i S .a v .l r l T T i l i l ^ P e a T T l i l l s i O O u v u u g n c B B B E B B n I r E E E i a A AS AN. AN AN AN AN AN AS AS t 2 7 9A 9I 9 I 9 I 9I 9I 9I 9 A 1 A m 5/ 5B 5F 5P 5P 5F 5P 5 P 5B 6B ar w - 5 -I 2 1 . e C I 4 I 1 I 4 I 4 I4 I 4 I 4 I 4 I S n m S - S S S S S S S S e Oe I H I L I L I L I L I L I L I L IL I L G St - H - O - O - O - O - O - O - O - O - O I I 1 F 1 C 1 C 1 C 1 C 1 C 1 C 1 C 1C 1C ra \\! el e 1 2 1 2 1 2 1 2 cv ui 1 1 1 1 1 1 1 1 N r R R R R R R R R D9 d 8 O O O O O O O O ne0 T T T T T T T T ad5 A A A A A A A A l a5 A R R. R R R R R P 3 sn E E E E E E E E 1 I oN m R N N N N N N N N kM 1 e XE XE XE XE XE XE XE XE XE XP ea 9 t XT XG XC XG XG XG XG XG XG XMU / I m A iW r h 9 e . W .M .M .M . M .M .M .M .M .P .i 7 c 1 E t XD XA XA IA XA XA XA XA IA X a1l / M s E E E E E E E E E C r7 e 9 S y - E - T - T - T - T - T - T - T - T - C P1 W 0 AS FF FS FS FS FS FS FS FS FS FF , j

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Northern States Power Company Prairie Island Nuclear Generating Plant, Unit I 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401 l Welch, MN $5089 Inservice Inspection Report Log 14:10 By ASME Item 09/19/91 Commercial Service Date: December 16, 1973 PSME Item ISO Report Number Method Pemarks Item Exam Date Results System l l1-ISI-01A 91-255 VT-3 F-X. XX COL 3 BASE 06/10/91 NAD l RCC PUMP 12 F-X. XX 1-ISI-61A 91-127 UTO RCC PUMP 11 COL 3 PIN BOT 06/04/91 NAD F-X. XX 1-ISI-61A 91-126 UTO RCC PUMI 12 COL 3 GN BOT 06/04/91 NAD F-X. XX 1-ISI-61A 91-069 VT-1 RCC PUMP 11 COL 3 PIN BOT Ot,/04 /91 NAD l F-X. XX 1-ISI-61A 91-070 VT-1 FCC PUMT 12 COL 3 PIN BOT 06/04/91 NAD f F-X. XX 1-ISI-61A 91-253 VT-3 RCC PUMP 11 COL 3 FIN BOT 06/07/91 NAD F-X. XX 1-ISI-61A 91-254 VT-3 l RCC PUMP 12 COL 3 PIN BOT D6/07/91 NAD F-X. XX 1-ISI-63 91-316 VT-3 STEAM GENERATOR 11 PAD 1 ANCHOR 06/17/91 NAD F-X. XX 1-ISI-63 91-317 '.~r-3 STEAM GENERATOR 11 PAD 2 ANCHOR 06/17/91 NAD F-X. XX 1-ISI-63 91-318 VT-3 1 STEAM GENERATOR 11 PAD 3 ANCHOR 06/27/91 NAD ? age 23 of 30

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I 11 Prairie Island Nuclear Generating Plant, Unit I Northern States Power Company 1717 Wakonade Drive. 414 Mico11et Mall ~ i Welch, MN 55089. Minr,eapolis, me 55401 i Inservice Inspection Report Log. 09/19/91 By ASME Item 14:10 j Commercial Service Date: Decerrber 16, 1973

1. '

ASME Item ISO Report Nurber Method Remarks System' Item -Exam Date Results E-X. XX 1-ISI-72 91-195 VT-3 STEAM GENERATOR 12 PAD 4 SNUB PIN 06/08/91 NAD F-X. XX' 1-ISI-72 91-191 VT-3 4 f STEAM GENERATOR 12 PAD 4 SNUBBER 06/08/91 NAD i { F-X. XX 1-ISI-74 91-218 VT-3 j'- ACCUMULATOR TANK 11 ANCHOR BOLTS 06/09/91 NAD j F-X. XX 1-ISI-74 91-219 VT-3 j ACCUMULATOR TARK 12 ANCHOR BOLTS 06/09/91 NAD 1 F-X. XX 1-ISI-83 91-020 VT-3 I SI PUMP 12 HOLDING LUG E 06/03/91 NAD i F-X. XX 1-ISI-83 91-021 VT-3 i SI PUMP 12 HOLDING LUG F 06/03/91 NAD F-1. XX 1-ISI-8.3 91-024 VT-3 f-SI PUMP 12. HOLDING LUG G 06/03/91 NAD l i F-X. XX 1-ISI-83 91-025 VT 3 SI PUMP 12 HOLDING LUG H' 06/03/91 NAD l F-1. XX 1-ISI-83 91-018 VT-3 l SI Pt>MP 12 - SUPPORT FOOT A 06/03/91 NAD I F-X. XX 1-ISI-83 91-019 VT-3 SI PUMP 12 SUPPORT FOOT B 06/03/91 NAD 4 4 i ad f Page 28 of 30 m _ ~,. - _ _ _ _ _ _. _

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8 Prairie Island Nuclear Generating Plant., Un I Northern States Power Company 1717 Wakonade Drive 414 Nicollet Mall Welch, MN 55089 Minneapolis, MN 55401 Icservice Inspeetloc Report Iog 09/19/93 By ASN8 Item 14:10 Commercial Service Date: Deceber 16, 1973 ASME Item ISO Report 3: umber Method Remarks I System Item Exam Date Results i MISC 1-151 91-325 UTO l RCC PUMP 17

11 KEYWAY 06/17/91 NAD 1

i i i Page 30 of 30 I t i I i t 1 I l t i 1 5 I. i i i

NORTHERN STATES POWER

SUMMARY

REPORT INSEPNICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 Aff_MQLX C - LIST OF INSPECTIONSE INSEECTION_BERORT Pages 1 to 30 3 e PAGE 11 OF 13 . ~. _

J L-I Prairie Island Nuclear Generating Plant, Unit 1 Northern States Powar Company l 1717 Wakonade Drive 414 Nicollet Mall Welch, 'MN 55089 'MinneapoU s, MN 53401 ' I b r l Inservice Inspection Report Log l, 09/19/91 By Report Number 14:08 i . [ Commercial Service Date:. December 16, 1973 t Report Number-- ASME Item ISO Method Remarks i Exam Date System Item Results j L i 0 91-002 C2. 10 1-ISI-94 PT L 4 05/29/91 BORIC ACID TANK 11 W-3 NAD F; F 91-003 C5. 11 1-ISI-55 PT I l 05/30/91 SAFETY INJECTION A W-120-NAD [ t j 91-004" C5. 11 1-ISI-91 PT [ 05/30/91 ALT CNMT :SP SUC B W-118 NAD i 4 } i 91-007 C3. 20 1-ISI-81 VT-3 l 05/30/91 RWST DISCHARGE SIH-30/E NAD . t p i 91-910. C5. 11 1-ISI-91 PT s i 05/31/91 ALT CNMT SP SUC B W-232 NAD 1 ~g-i 91-011 C5. 11 1-ISI-91 PT [ f 05/31/91 ALT CNMT SP SUC A W-225 NAD f 91-015 C3. 20 1-ISI-5.A MT 06/02/91 FEEDWATER A FWH-43/W NAD l l 91-016 C5. 21 1-ISI-52A MT l 06/02/91 FEEDWATER A FM-164 (THIN) NAD i i 91-017 C1. 20 1-ISI-94 UT45 j 06/01/91 BORIC ACID TANK 121 W-1 NAD [ 91-018 F-Z. II 1-ISI-83 %T-3 i f 06/03/91 SI PUMP 12 SUPPORT FOOT A NAD f i i i I Page 1 of 30 k e

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Prairie Island Nuclear Generating Plaa-Unit 1 Northern States Power Cocupany l 1717 Wakonade Drive 414 Nicollet Mall ? Welch, -MN 5$089 Minneapolis, MN 55401 f l j. I i-Inservice Inspection Report Log f 09/19/91 By Report Nu:rber' 14:08 Commercial Service Date:. December 16, 1973, t 1 i i Report Nurnber ASME Item ISO Mathod. Remarks Exam Date Syster Item Results I 91-047 B7. 70 ISI-23 VT-1 06/03/91 RTD TAKE OFF HOT B'- RC-1-14 NAD f I ~XX 1-ISI-13 VT-3 91-050 F-X. f 06/03/91 RCC CROSSOVER B_ B1 NAD

l. 91-051 F-X.

XX 1-ISI-13 VT-3 4 06/03/S1 RCC CROSSOVER B B2 NAD i I 91-052 F-X. XX 1-ISI-22 VT-3' 06/03/91 RTD TAKE OFF COLD A RPCH-170/C NAD i j j 91-053 F-X. XX 1-ISI-23 VT-3 f l 06/03/91 RTD TAKE OFF HOT B RPCH-137/B NAD 1 {- 91-054 F-X. XX 1-ISI-23 VT-3 [ 06/03/91 RTD TAKE OFF HOT B 137-RTD-6/D NAD [ i f ' 91-055 B9. 21 1-ISI-23' PT j. 06/03/91 RTD'TAKE OFF HOT B W-19 NAD 91-056 B9. 21 1-ISI-7 PT [ 06/03/91' RTD TAKE OFF COLD A W-7 NAD \\ 91-057 B9. 21 1-ISI-8 PT [ 06/03/91 RTD TAKE OFF HOT A 'W-17 NAD 91-058 B9. 21 'l-ISI-8 PT [ l 06/03/91. RTD TAKE OFF HOT A W-21 NAD [ } I f .w_ i. Page 4 of 30 k i n...,._,.y w ~. -. -,

t Prairie Island Nuclear. Generating Plant, Unit 1 Vorthern States Power Company [ 1717 Wakonsde Drive 414 Nicollet Mall i l welch,- MN 55089 Minneapolis, MN 55401 y Inservice Inspection Report Log [ 09/19/91' By Repcrt Number 14:08 [ Commercial Service Date: December 16, 1973 I 4 j, Report Number. ASME Ices ISO Method Remarks Exam Date System Item Results 4 i- [ f 91-059 B9. 40 1-ISI-7 ' PT 06/03/91, RTD TAKE OFF COLD A W-12 NAD 91-064 c5. 11 1-ISI-513 MT 06/03/91 MAIN STEAM A MS-148 NAD 4 91-065 C5. 11 1-ISI-51B MT 06/03/91 MAIN STEAM A MS-147 NAD t-91-066 C5. 21 1-ISI-69C MT Limited access. j 06/03/91 FEEDWATER B. FW-172 NAD l l Pipe touches Restraint. To be { 91-067 F-X. XX 1-ISI-22 VT-3 06/03/91 RTD TAKE OFF COLD A 137-RTD-3/C IND reinspected hot. WR-R4205-RC-Q 91-068 F-X. XX 1-ISI-59A VT-1 f l 06/04/91 STEAM GENERATOR 12 COL 4 P'N BOTT . NAD i 91-069 F-X. XX 1-ISI-61A VT-1 'I 06/04/91 RCC PUMP 11 COL 3 PIN BOT NAD f I 91-070 F-X. XX 1-ISI-61A VT-1 f I j 06/04/91 PCC PUMP 12 COL 3 PIN EDT NAD l 't l-91-071 F-X. XX 1-ISI-5?A VT-1 j 06/04/91 STEAM GENERATOR 11 CGL 4 PIN BOTT NAD [ i f 91-072' B7. 50 1-ISI-29 VT-1 06/04/91 PRESSURIZER SAFETY B FLG @ 8010B NAD 1 ? ^ l t Page 5 of 30 l [ i 1 i r

i l 4 ' I u f l Prairie ' Island Nuclear Generating Plant, Unit 1 9torthern States Power Company 1717 Wakonade Drive 414 Nicollet Mall i

Welch, MN 55089 Minneapolis, MN 55401 i

~ Inservice Inspecticri Report Log [ 09/19/93 By Report Number 14:08 i Comercial Service Cate December 16, 1973 l Report' Number ASME Item Iso Method Remarks Exam _Date System Ites Results 1 1 91-074 F-I. XX 1-ISI-6 VT-3 06/04/91' RTD RETURN A 238-RTD-4B/B NAD 91-075 F-X. XX 1-ISI-8 VT-3 { 06/04/91; RTD TAKE OFF HOT A 138 RTD-5/C NAD [ j 91-076 F-X. XX 1-ISI-21 .VT-3 i 05/04/91 RTD RETURN B 137-RTD-4B/B NAD I 'J i 3 91-077R F-X. XX 1-ISI-31 VT-3 Bolt Cap. Poworked, reinspect-05/20/91 PRESS 7RIZER RELIEF 112-RC-24/B NAD ed. Satisfactory. 91-071 C5. 21 1-ISI-69C UT45 Limited access. 05/04/91 FEEDWATER B FW-172 NAD I ~ 91-079 B9. 40 .1-ISI-25 PT l-06/05/91 DRAIN ON CROSSOVER B W-10 NAD i l' 91-080 B7. 40 1-ISI-45 VT-1 l 06/05/91 LETDOWN HT EXCHANGER BOLTS 9-12 'NAD l 91-081 B7. 70 1-ISI-25 VT-1 l 06/05/91 DRAIN ON CROSSOVER B RC-1-4 (T-58) NAD i 91-085 F-X. XX 1-ISI-17 VT-3 06/05/91 ACCUMULATOR DISCH B 100-SIS-1/A NAD i l 91-086R F-X. XX. 1-ISI-17 VT-3 Thread engagement unsat. Ana-06/20/91, ACCUMULATOR DISCH B 100-SIS-2/B IND -lyzed acceptable (Teledyne). l { Page 6 of 30 i-t y e m-- iy n -ew~- w-. ,,-.-----w -+ ,,-w .--rv- ~ v .. ~ -, c- --~i--ee w..-

4: l: l Prairie Island Nuclear Generating Plant, Unit 1 Northern States Power Company 1717 Waker-ade Drive 414 Nihllet Mall j..

Welch, MM 55089 Mj.nneapolis; MN 55401 i

1 Inservice Inspectiott Report Log '09/19/S1-By Report Number 14:08 Comercial Service Date: ' December 16, 1973 Report Number ASME Item ISO. Method Remarks E. sam Date System Item Results I 91-087-F-X. XX 1-ISI-30 VT-3 i' 05/05/91' RX SAFETY INJ.'N B SIRH-12/A1 NAL i 91-088 F-X. XX 1-ISI-30 VT-3 l 06/05/91 RX SAFETY INJ'N B 102-SIS-2/B2 NAD I 91-091 C5. 31 1-15I-68B MT l 06/05/91 MAIN STEAM RELIEF B MS-187D NAD ) l 91-092-C5.'21 1-2SI-68B MT [ 06/05/91 MAIN STEAM B MS-188 NAD 91-093 c5. 31 1-ISI-68B MT Limited access. f 06/05/91 MAIN STEAM RELIEF'B MS-185B NAD j 91-035 C2. 21 1-ISI-43 UT O Limited access. 06/04/91 STEAM GENERATOR 12 N-4 NAD j 91-096 C2. 21 1-ISI-43 UT45 Limited access. i 06/04/91' STEAM GENERATOR 12 N-4 NAD 91-097 C2. 21 1-ISI-43 UT60 Limited access. I.inear. Ac-06/04/91 S m GENERATOR 12 N-4 IND cepted -- PI SG Flaw Handbook. j< l 91-098 c3. 20 1-ISI-82 VT-3 06/05/91 SI PUMP A SUCTION SIH-95/C NAD 91-099 C3. 20 1-ISI-84 VT-3 f 06/05/91 -SI PUMP A SUCTION SIH-84/Q NAD L l-Page 7 of 30 s ..i=-,-e.- ,..,,e. .-m.-.-,. w-,emr_- e-- m a

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h . Prairie Island Nuclear Generating Plant, Unit 1 Northern States Power Company 1717 Wakonade Drive' 414 Nicollet Mall

Welch,

'MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/91 By Report Number-14:08 Commeccial Service Date: December 16, 1973 Report Nurt.ber ASME Item ISO Method Pemarks Exam Date' System

Item, Results j

i 91-152R C3. 20 1-ISI-12 A MT Arc strike. Repaired, re-exam-06/13/91. FEEDWATER A FWH-28/Q g NAD ined. Satisfactory. 91-153R F-X. XX 1-ISI-68A VT-3 Dirty Weld. Cleared. Re-exact-l 06/13/91 MAIN STEAM B MSH-47/C NAD ined. Satisfactory. 91-154R F-1. XX 1-ISI-52A VT-3 Arc strike. Pepaired, re-exam-06/14/91 FEEDWATER A FWH-28/QQ NAD ined. Satisfactory. l 91-155 F-X. XX 1-ISI-52A VT-3 06/06/91 FEEDWATER A FWH-45/T NAD 91-162 F-I. XX 1-ISI-51A VT-3 06/06/91 MAIN STEAM A MSH-46/C NAD 91-164 C1. 10 1-ISI-43 UT60 Poor access. 06/06/91 STEAM GENERATOR 11 W-F NAD 91-166 C1. 10 1-ISI-43 UTO Limited access. 06/06/91 STEAM GENERATOR 11 W-F NAD 91-167 C1. 10 1-ISI-43 UT45 Limited access. Indications 06/06/91 STEAM GENERATOR 11 W-F IND analyzed and accepted. 91-168. F-1. XX 1-ISI-52A VT-3 06/06/91 FEEDWATER A WH-43 /W NAD 91-169 F-X.XX 1-ISI-52A VT-3 06/06/91 FEEDWATER.'. FWH-27/X s?D Page 12 of-30 -~, . -.,,.. - ~. -.=

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? Prairie Island Nuclear Generating Plant, Unit l' Northern States Power Company 1717 Wakonade Drive- '414 Nicollet Mall l

Welch, MN.SSO89 Minneapolis, FN $5401 i

f-Inservice Inspection Report Log [ j. 09/19/91: By Report Nuciber 14:08 j j' Commercial Service Date: December.16, 1973 i Report Number ASME Item ISO Method' Remarks l Exara Date-System Item Results t 91-170 B7. 20 1-ISI-42 VT-1 i f 06/07/91; PRESSURIZER BOLTS 11-16 NAD i- ). 91-171 B7. 30 1-ISI-43 VT-1 06/07/91' STEAM GENERATOR 11 INLET 1-16 NAD i j 91-172 B7. 30 1-ISI-43 VT-1 l 06/07/91 STEAM GENERATOR 11 OUTLET 1-16 NAD b 91-173 B7.130 1-ISI-43 VT-1 j 06/07/9* STEAM GENERATOR 12 . INLET 1-16 NAD t i I i 91-174 B7. 30 1-ISI-43 VT-1 06/07/91 STEAM GENERATOR 12 OUTLET 1-16 NAD l 91-175 B7. 30 1-ISI-43 MT l i 06/07/91 STEAM GENERATOR 11 INLET 1-16 NAD l r I F 91-176. B7. 30 1-ISI-43 MT k 06/07/91 STEAM GENERATOR 11 OUTLET 1-16 NAL I l 91-177 B7. 30 1-ISY-43 MT l 06/07/91 STEAM GENERATOR 12 INiLT 1-16 NAD l 8 t 91-178 B7. 30 1-ISI-43 MT } 06/07/91 STEAM GENERATOR 12 OUTLET 1-16 NAD } l I i i 91-179 CS. 21 1-ISI-52A MT f i 06/08/91 FEEDWATER A FW-lS4 NAD i i E j Page 13 of 30 I i i i I 1. I . ~ ~ o

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Prairie Island Nuclear' Generating Plant,' Unit 1 Northern States' Power Companf 1717 Wakonade Drive.. 414 Nicollet Mall. Minneapolis, MN 55401

Welch, MN 55089

-4 Inservice Inspection Report Log 09/19/91 By Report Number 14:08 Commercial Service Date: December 16, 1973 Report Number ASME Item ISO Method Remarks Exam Date ~ System Item Fesults 150' F-X. XX 1-ISI-72 VT-3 '06/OB/9i STEAM GENERATOR 12 PAD 3 SNUBBER NAD 91-191 F-X..XX 1-ISI-72 VT-3 06/08/91 STEAM GENERATOR-12 PAD 4 SNUBBER NAD 91-192 F-X. XX 1-ISI-72 VT-3 06/08/91 STEAM GENERATOR 12 PAD 1 SNUB PIN NAD 91-193 F-X. XX 1-ISI-72 e!-3 06/08/91 STEAM GENERATOR 12-PAD 2 SNUB PIN NAD l 91-194-F-X. XX 1-ISI-72 VT-3 06/08/91 STEAM GENERATOR 12 PAD 3 SNUB PIN NAD 91-195 F-X. XX 1-ISI-72 VT-3 06/08/91 STEAM GENERATOR 12 PAD 4 SNUB PIN NAD 91-196 F-X. XX 1-ISI-51A VT-3 06/08/91 MAIN STEAM A MSH-36/F NAD 91-201 C5. 21 1-ISI-69B MT 06/08/91 FEEDWATER B FW-226 NAD 91-202 C5. 21 1-ISI-51B MT [ 06/08/91 MAIN STEAM A MS-18 NAD 91-203 C5.-21 1-ISI-52B MT Arc Strikes, non-ISI VT. Re-06/08/91 FEEDWATER A FW-122 NAD moved, re-exam, satisfactory. f Page 15 of 30

w. II I Prairie Island Nuclear Generatir.g Plant, Unit 1 Northern States Powec Company 414 Nicollet Hall 1717 Wakonade Drive Minneapolis, MN 55401

Welch, MN 55089 Inservice Inspection Report Log l

14:08 l 09/19/91 By Report Nu?ber Commercial Service Date: December 16, 1973 E I l Report Number ASME ltem ISO Method Remarks l I Exam Date System Item Pesults l 91-204 c5. 21 1-ISI-69B MT 06/08/91 FEEDWATER B FW-199 NAD E l91-205R F-X. XX 1-ISI-70 VT-3 No loads en DWG. DWG to be f06/25/91 STEAM GFNERATOR 11 GIRDER HGR #2 IND revised DPR-PI-91-096. I 91-206 C3. 20 1-ISI-69A ' VT-3 Limited access. G6/08/91 FEEDWATER B FWH-33/S NAD 91-207 C3. 20 1-ISI-69A VT-3 Limited access. 06/C8/91 FEEDWATER B FWH-35/LL NAD 91-208 F-X. XX 1-ISI-70 VT-3 No loads on drawing. DWO re-06/08/91 STEAM GENERATOR 12 GIRDER HGR 1 IND vised DPR-PI-91-096. 91-209R F-X. XX 1-ISI-70 VT-3 No loads on drawing. DWG Re-06/20/91 STEAM GENERATOR 12 GIRDER HGR 2 IND vised DPR-PI-91-096. 91-210 F-X. XX 1-ISI-70 VT-3 No loads on drawing. DWG re-06/09/91 STEAM GENERATOP 11 GIRDER HGR #1 IND vised DPR-PI-91-096. 91-213 B7. 60 1-ISI-35 MT 06/08/91 Rcc PUMP 12 LOWER 9-12 NAD 91-214 B2. 11 3-ISI-41 UTO 06/08/91 PRESSURIZER W-4 12*-24' NAD 91-215 B2. 10 1-ISI-41 UTO 06/08/91 PRESSURIZER W-3 16'6"-6" NAD Page 16 of 30

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y, 3* s s 'Q s . s_ g -n.. ~ ~ Northern States Pcwer Company Prairie Islan; Nuclear GenJrating Plant, Unit 1 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401

Welch, MN 55089 Inservice Inspection Report Log 14:09 By Report Number 09/19/91 Commercial Service Date: Decentber 16, 1973 Report Number ASME Item ISO Method Remarks Item Results Exam Date System 91-227 B7. 60 1-ISI-35 VT-1 06/08/91 ECC PUMP 12 Lower 1-12 NAD 91-228 B7. 60 1-ISI-35 170 LOWER 9-12 NAD 06/')8/91 RCC PUMP 91-230 B7. 30 1-ISI-43 UTO 06/08/91 STEAM GENiv 11 OCTLET 1-16 NAD 91-231 B7. 30 1-I51-43 UTO 06/08/91 STEAM GENERATOR 12 OUTLET 1-16 NAD 91-233 B6.180 1-ISI-14 UTO l

06/08/91 RCC PUMP 11 BOLTS 17-24 NAD 91-236 F-X. X X. 1-ISI-72 VT-1 06/09/91 STEAM GENERATOR 11 PAD 2 SNUB PIN NAD 91-237 F-X. XX 1-IS'-72 VT-1 06/09/91 STEAM GENERATOR 11 PAD 3 SNUB PIN FAD 91-238 F-X. XX 1-ISI-72 VT-1 06/09/91 STEAM GENERATOR 11 PAD 4 SNUB PIN NAD 91-239 F-X. XX 1-ISI-72 VT-1 06/09/91 STEAM GENERATOR 12 PAD 1 SNUB PIN NAD 91-240 F-X. XX 1-ISI-72 VT-1 06/09/91 STEAM GENERATOR 12 PAD 2 SNUB PIN NAD I Page 18 of 30 y

Prairie Island Nuclear Generating ?lant, Unit.'1 Northern States Power Company 1717 Wakona^. r;ive 414 Nicollet Mall- - Welch,- Mi, W Minneapolis, MN 55401 Inservice ;nsp5ct a m -. art Log ' 09/19/91 B3 R e et +;c 14:08 commercia) Servic Laus. December 16, 1973 t Report Number. ASME Item ISO Mettu.d Remarks i Exam Date-System Item Rest"_. r 91-241-F-X. XX: 1-ISI-72 VT-1 06/09/91 STEAM GENERATOR 12 PAD 3 IUB PIN NAD 91-242 F X. XX 1-ISI-72 VT-1 .E 06/09/91 STEAM OENERATOR 12 PAD'4 SNUB PIN. NAD 91-243 B2.L11 1-ISI-41 UT60 06/08/91 PRESSURIZER W-4 12*-24* 'NAD 91-244 B2. 10-1-ISI-41 UT60 4 06/08/91 PRESSURIZER W-3 16*6"-6" NAD j 91-2*3 F-X. XX 1-ISI-72 VT-1 06/09/91 STEAM GENERATOR 11-PAD 1 SNUB PIN NAD i 91-246 B2. 10 1-ISI-41 UT60 06/09/91 PRESSURIZER E-5 18'-24' 'NAD i 91-247 B2. 10 1-ISI-41 UTO 06/09/91. PRESSURIZER W-5 18'-24' NAD ) 91-248 B2.'10 1-ISI-41 UT45 06/09/91 PRESSURIZER W-5 1B*-24' NAD f t i k 91-249 F-X. XX 1-ISI-59A VT-3 06/10/91 STEAM GENERATOR 11 COL ' BT.SE NAD 91-250 F-X..XX 1-ISI-59A VT-3 06/10/91 STEAM GENERATOR 12 COL,1 BASE NAD .j Page 19 of 30 s L - - - - - +

Northern States Pmer Company Pr irie Island Nuclear Generating Plant, Unit 1 414 Nicollet Mall 1717 Wakonade Drive-Minneapolis, MN 55401

Welch, MN 55089 Inservice Inspection Report Log 14:08 09/19/91' By Report Nur-be r Commercial Service Date: December 15, 1973 Report Number ASME Item ISO Method Remarks Item Results Exam Date System 91-251 F-X.

XX 1-ISI-59A VT-3 06/07/91 STEAM GENERATOR 12 COL 4 PIN BOTT NAD 91-252 F-X. XX 1-ISI-61A VT-3 06/10/91 RCC PUMP 11 COL 2 BASE NAD 91-253 F-X. XX 1-ISI-61A VT-3 j 06/07/91 RCC PUMP 11 COL 3 PIN BOT NAD 91-254 F-X. XX 1-ISI-61A VT-3 06/07/91 RCC PUMP 12 COL 3 PIN BOT NAD 91-255 F-X. XX 1-ISI-61A VT-3 06/10/91 BCC PUMP 12 COL 3 BASE NAD 91-256 F-X. XX 1-ISI-59A VT-3 06/07/91 STEAM GENERATOR 11 COL 4 PIN BOTT NAD J 91-258 BB. 20 1-ISI-41 UT45 06/09/91 PRESSURIZER W-6 18*-24.2' NAD 91-259 Bl. 40 1-ISI-49 MT 06/10/91 REACTOR VESSEL W-6 NAD 91-261 F-X. XX 1-ISI-68B VT-3 06/10/91 MAIN STEAM B MSH-31/L NAD 91-262 B6. 10 1-ISI-37 MT 06/10/91 REACTOR VESSEL NUTS 33-48 NAD Page 20 of 30 m

Prairie Island Nuclear Generating, Plant, Unit 1 . Northern States Power Company 414 Nicollet Mall' 1717 Wakonade Drive' Minneapolis,;MN 55401'

Welch, MN 55089 Inservice Inspection Report Log 14:08

'09/19/91 By Report Number-Commercial Service Date December 16,:1973 Report Number ASME Item-ISO Method Remarks Exam Date System Item Results 91-264 B6. 50 1 -I S I-3 VT-1 06/10/91 REACTOR VESSEL WASHERS 33-48 NAD 91-266 C3. 20 1-ISI-51B VT-3 06/11/91 MAIN STEAM A MSH-38/J NAD 91-267 C3.;20 1-ISI-51B VT-3 06/11/91 MAIN STEAM A MSH-37/I NAD 91-268 Bl. : 40 1-ISI-49 UTO 06/10/91 REACTOR VESSEL W-6 NAD 91-269 Bl. 40 1-ISI-49 UT45 Limited access. 06/10/91 REACTOR VESSEL W-6 NAD 91-270 B1. 40. 1-ISI-49 UT60 Limited access. Code accept-06/10/91 REACTOR VESSEL W-6 IND able, IWB3514-2. 91-271 B6. 30 1-ISI-37 MT 06/11/91 ' REACTOR VESSEL STUD 3 33-48 NAD 91-273 c5. 21. 1-ISI-51B MT Limited access. 06/11/91 MisIN STEAM A MS-13 NAD 1 [ .[ 91-274 B6. 30 1-ISI-37 UTO 06/11/91 REACTOR VESSEL STUDS 33-48 NAD L 91-281 B5. 70 1-ISI-13 UT45 Limited access. 06/11/91 STEAM GENERATOR 12 RCC-B-4 S.E. NAD f Page 21 of 30 I

I Northern States ecwer Company Unit 2 Prairie Island Nuclear Generating Plant, 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401

Welch, MN 55089 Inservice Inspection Report Log 14:08 By Report Number 09/19/91 Commercial Service Date: December 16, 1973 Method Pemarks J

ISO Report Number ASME Item Pecults Item Exam Date System 1-ISI-12 UT45 Limited access. l91-282 B5. 70 06/11/91 STEAM GENERATOR 11 RCC-A-4 S.E. NAD 1-ISI-33 VT-3 91-295 F-X. XX 06/12/91 RX SAFETY INJ'N B RSIH-415/B NAD 91-286R C3. 20 1-ISI-51B VT-3 Bottomed indicator. Repaired, re-examined and accepted. 06/20/91 MAIN STEAM RELIEF A MSDH-23/K NAD 91-287 C5. 11 1-ISI-83 PT 06/12/91 SI PUMP A SUCTION W-15 NAD 91-288 C5. 11 1-ISI-82 PT 06/12/91 SI PUMP A SUCTION W-88 NAD 1-ISI-82 PT 91-289 C5. 11 06/12/91 SI PUMP A SUCTION W-78 NAD 91-290 C5. 11 1-ISI-82 f PT 06/12/91 SI PUMP A SUCTION W-73 NAD 91-291 C5. 11 1-ISI-82 PT 06/12/91 SI PUMP A SUCTION W-52 NAD 91-292 C5. 11 1-ISI-84 PT 06/12/91 SI PUMP A SUCTION W-31 NAD 1-ISI-688 MT Limited access. 91-293 C3. 20 06/12/91 MAIN STEAM B MSH-31/L NAD Page 22 of 30

Prairie' Island Nuclear Generating Plant, Unit 1 Worthern States Power coepany-414 Nicollet Mall 1717 Wakonade Drive

Welch, MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/91 By Report Number 14:08 Correnercial Service Date: December 16, 1973 Report Number ASME Item ISO Method Beraa rks Exam Date System Item Pesults t

91-295 F-X. XX 1-ISI-41 VT-3 06/12/91 PRESSURIZER W-6 18*-24.2* NAD i 91-300 C5. 21 1-ISI-52A UT45 L*,ited access. 06/12/91 FEEDWATER A FW-154 NAD 91-301 C5. 11 1-ISI-91 PT Limited access. 06/13/91 ALT CNMT SP SUC A W-31 NAD 91-302 C1. 20 1-ISI-86 GTO Limited access. i 06/12/91 ACCUMULATOR DISCH B W-5 NAD 91-303 C1. 20 1-I.II-86 UT45 Limited access. 06/12/91 ACCUMULATOR DISCH B W-5 NAD 91-304 C1. 20 1-ISI-86 UT60 Limited access. 06/12/91 ACCUMULATOR DISCH B W-5 NAD 91-305 C3. 20 1-ISI-52A MT 06/13/91 FEEDWATER A FW11-45/T NAD 91-308 B9. 21 A-ISI-1C PT 06/14/91 CHARGING LINE B W-30R NAD 91-309 B9. 21 1-ISI-1C PT 06/)4/91 CHARGING LINE B W-31R NAD 91-310 C5. 21 1-ISI-52B UT45 Limited access. 06/13/91 FEEDWATER A FW-122 NAD l Page 23 of 30

k 4 Northern States Power Cornpany Unit 1 Prairie I:lland Nuclear Generating Plant, 414 Nicollet Mall 1717 Wakonade Drive Minneapolis, MN 55401

Welch, MN 55089 I

Inservice Inspection Report Log 14:08 By Report Number 09/19/91 Commercial Service Date: December 16, 1973 Method Remarks ISO Report Number ASME Item Results Item Exam Date System l 1-ISI-698 UT45 Limited access. 91-311 C5. 21 06/13/91 FEEDWATER B FW-22f GEO l 1-ISI-69B UT45 Limited access. 91-312 C5. 21 06/13/91 FEEDWATER B FW-199 NAD 1-ISI-30 UT45 Limited access. 91-313 B9. 11 06/13/91 RX SI LOW HEAD B W-3 GEO j f 1-ISI-63 VT-3 91-316 F-X. XX 06/17/91 STEAM GENERATOR 11 PAD 1 ANCHOR NAD

l 91-317 F-X.

XX 1-ISI-63 VT-3 06/17/91 STEAM GENERATOR 11 PAD 2 ANCHOR NAD 1-ISI-63 VT-3 l 91-318 F-X. XX l 06/17/91 STEAM GENERATOR 11 PAD 3 ANCHOR NAD l 1-ISI-63 VT-3 l 91-319 F-X. XX f 06/17/91 STEAM GENERATOR 11 PAD 4 ANCHOR NAD 1 i 1-ISI-28 VT-3 91-320 F-X. XX f 06/17/91 PRESSURIZER SURGE 134-RC-3/C NAD i 1 1-15I-28 VT-3 91-321 F-X. XX 06/17/91 PRESSURIZER SURGE 134-RC-4/C1 NAD 1-ISI-28 VT-3 91-322 F-X. XX 0C/17/?1 PRESSURIZER SUPGE 134-RC-8/H NAD 1 Page 24 of 30

Prairie Island Nuclear Generating Plant, Unit 1 Northern States Power Ccmp" t 'l 414 Nicollet 1-i 1717 Wakonade Drive-Welch,- MN 55089 Minneapolis, MN 554 1 Inservice Inspection Report Log 14:08, 09/19/91 By Report Number Commercial Service Dates December.16, 1973 Report Number 'ASME' Item ' ISO Method Remarks Exam Date System Item Results 91-323 F-X. XX 1-ISI-28 VT-3 06/17/91-PRESSURIZER SURGE RCRH-43/D NAD 91-324R C3. 20 1-ISI-81 VT-3 Clearance. Drawing to be re-06/21/91 RWST.'DISTARGE SIH-26/A IND vised. DPR-PI-91-096. 91-325 MISC 1-ISI-16 UTO 06/17/91 RCC PUMP 11

11' KEYWAY NAD 91-326 MISC 1-ISI-16 UTO 4

06/17/91 RCC PUMP 11

11 BODY NAD i

91-327 B5.130 1-151-13 PT 06/18/91 STEAM GENERATOR 12 RCC-B-4 S.E. NAD 91-328 B5. 70 1-ISI-13 PT 06/18/91 STEAM GENERATOR 12 RCC-B-4 S.E. NAD 91-329. B9. 21 1-ISI-23 PT 06/18/91 RTD TAKE OFF HOT B W-16 NAD 91-330 B9. 11 1-ISI-17 PT Limited access. / 06/18/91 ACCUMULATOR DISCH B W-9 NAD i 91-331 B9. 11 1-ISI-17 PT 06/18/91 ACCUMULATOR'DISCH B 'W-10 NAD f t 91-332, C3.'30 1-ISI-83 MT 06/18/91, SI PUMP 11 HOLDING LUG E NAD l I' i Page 25'of 30 i

1- .~ s 3 - Prairie Island' Nuclear denerating Plant, Unit 1 Northern States Power Company-414 Nicollet Mall r -1717.Wakonade. Drive Minneapolis,,MN.55401 y Welch, 'MN 55089 l Inservice Inspection Report Log 14:08 i l' 09/19/91 .By Report Number + Corvnercial Service Dater December 16, 1973 .i g i Report Number ASME Item i ISO Method Remarks f Exam Date System Item Results 'i 91-333R C3. 30 l-ISI-83 MT Paint removed to allow examin-I.' 06/25/91 SI PUMP 11 HOLDING LUG F NAD ation. 91-334 C6. 10 1-ISI-53 MT' Limited access. 06/18/91 SI PUMP 11 WELD DISCH END NAD l 91-335 C6. 10 ISI-83 MT i 06/18/91 SI PUMP 11 WELD SUCTN END NAD 1 91-342 B9. 21 1-ISI-22 PT r 06/19/91 RTD TAKE OFF COLD B W-4 NAD [ 91-343 B9. 40 1-ISI-22 PT t 06/19/91 RTD TAKE OFF COLD B W-6A NAD 91-344 C1. 20 1-ISI-43 UT60 W FRACTURE ANALYSIS ACCEPTABLE + 09/18/91 STEAM GENERATOR 11 W-H IND 91-345 C1. 20 1-ISI-43 UTO 09/18/91 STEAM GENERATOR 11 W-H NAD i 91-346 B9. 11 1-ISI-17 UT45 Limited access. 06/18/91 ACCUMULATOR DISCH B W-9 NAD 91-347 B9.-11 1-ISI-17 UT45 06/18/91 ACCUMULATOR DISCH B W-10 NAD l 91-348 C1. 20 1-ISI-43 UT45 W FRACTURE ANALYSIS ACCEPTABLE 06/18/91 STEAM GENERATOR 11 W-H IND Page 26 of 30 . =

). < Prairie' Island Nuclear Generating Plant, Unit 1 Northern States Power Company 414 Nicollet Mall. 1717 Wakonade' Drive Minneapolis, MN 55401

Welch, MN 55089 Inservice Inspection Report Log 14:08

'09/19/91 By Report Number Commercial Service Date December 16, 1973 i } Report' Number ASME Item ISO Method Remarks Exam Date . System ' Item Results i 'k 91-349 C5. 21' 1-ISI-68A UT45 Limited access. 06/10/91 MAIN. STEAM B 'MS-63 NAD 91-350 C5. 21' 1-ISI-51B UT45 Limited acceis. 06/17/91 . MAIN STEAM A MS-18 NAD I l 91-351 .C5. 21 1-ISI-51B UT45 Limited access. 06/17/91 MAIN STEAM A MS-13 NAD 91-352' B5. 70 1-ISI-12 PT Linear.indictations. Code Ac-J ~06/19/91 STEAM GENERATOR 11 'RCC-A-4 S.E. IND eptable IW83514-2. 4 91-353 B5.130 1-ISI-12. PT 06/19/91 STEAM GENERATOR 11 RCC-A-4 S.E. NAD 91-356-C3. 29-1-ISI-51A MT Limited access. 06/19/91 MAIN STEAM A MSH-36/F NAD 91-357 C5. 21 1-ISI-68A MT i 06/19/91 MAIN STEAM B MS-63 NAD 91-358 B9. 21 1-ISI-10 PT 06/20/91 DLAIN ON CROSSOVER A W-12 NAD 4 91-359 C2. 21 1-ISI-86 PT 4 .06/20/91 ACCUMULATOR TANK 12 W-7 NAD s . k~i%1@c ef ter n="vod. 91-361R C5. 21 1-ISI-69C 'VT-1 06/22/91 FE3DWATER B FW-228 NAD 1 t 1 Page 27 of 30-

+, 7 Prairie.Is1Ard Nuclear Generating Plant, Unit 1 Northern States Power Company 1717 Wakonade. Drive 414 Nicollet Mall ' Welch,.:MN'55089 Minneapolis, MN 55401 Inservice Inspectian' Report Log 09/19/91 By Report Number 14:06 Commercial Service Date:. December 16, 1973 i Report Number ASME Item-ISG' Method Remarks Exam Date System-Item Results 91-362 -C5. 21 1-ISI-68C VT-1 06/22/91 MAIN STEAM B MS-131 NAD 91-363R C5. 21 1-ISI-68C. MT Re m after rework. 06/25/91 MAIN STEAM B .MS-86 NAD [ 91-364R-C5. 21 1-ISI-69C 'MT Re-examine after rcw)rk. 06/25/91 FEEDWATER B FW -22 8 NAD 91-365 C5. 21 1-ISI-68C MT 06/22/91 MAIN STEAM B MS-131 NAD 91-366R C5, 21 1-ISI-51D MT-Re-examine after rework. I 06/25/91 MAIN STEAM A MS-144 NAD i 91-367 C5. 21 1-ISI-51D VT-1 06/22/91 . MAIN STEAM A MS-144 NAD 91-368 C3. 30-1-ISI-83 MT 06/24/91 SI PUMP 12 SUPPORT FOOT A NAD 91-369 C3. 30 1-ISI-83 MT 06/24/91 SI PUMP 12 SUPPORT FOOT B NAD t 91-370 C5. 21 1-ISI-51B MT Limited Access 06/24/91 MAIN STEAM RELIEF A MS-182 NAD t 91-371 C5. 21 1-ISI-01E MT Limited Access (g gg) 06/24/91 MAIN STEAM RELIEF A MS-182 NAD Page 28 of 30 i

-Prairie' Island Nuclear Generating Plant, Unit l' Northern States Power Company 1717 Wakonade Drive 414 Nicollet Mall

Welch, MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log 09/19/91 By Report Number 14:08 r

Commercial Service Date: December 16, 1973 Report Number ASME Item ISO Method Remarks Exam Date System Item Results 91-372 C5. 21 1-ISI-52C MT 06/22/91 FEEDWATER A FW-118 k NAD 91-373 C5. 21 1-ISI-68C UT45 Limited Access 06/26/91 MAIN STEAM B MS-86 NAD 91-374 C5. 21 1-ISI-68C UT45 Limited Access 06/24/91 MAIN STEAM B MS-131 NAD 91-375 C5. 21 1-ISI-69C UT45 Limited Access 06/24/91 FEEDWATER B FW-228 NAD 91-376 C5. 21 1-ISI-52C UT45 Limited Access 06/24/91 FEEDWATER A FW-118 NAD 91-377 C3. 30 1-ISI-83 VT-1 06/24/91 SI PUMP 12 SUPPORT FOOT A NAD 91-378 C3. 30 1-ISI-83 VT-1 l 06/24/91 SI PUMP 12 SUPPORT FOOT B NAD i 91-379 C5. 21 1-ISI-52C VT-1 06/24/91 FEEDWATER A FW-118 NAD 91-380 C5. 21 1-ISI-51B UT45 Limited Access t 06/24/91 MAIN STEAM RELIEF A MS-182 NAD i 91-381 C5. 21 1-ISI-51B UT45 Limited Access (lognenttX1) 06/24/91 MAIN STEAM RELIEF A MS-182 NAD Page 29 of 30

I ~ 1 Prairie Island Nuclear Generating ~ Plant,' Unit 1;- Northern States Power Company 414 Nicollet Mall' 1717 Wakonade' Drive Welch,: MN 55089 Minneapolis, MN 55401 Inservice Inspection Report Log. 09/19/91 By Report Number-14:03 Consnercial Service Date: December 16, 1973 Report Number' ASME Item ISO Method' . Remarks ' Exam Date System Item Pesults 91-382 B10.20 1-ISI-66 PT' Code acceptable IWB-3518-2. i 06/25/91 RCC PUMP 12 SUPPORT C IND . Limited access. Page 30 of 30 I i. i l 1 l i i e a 1 m ..m..

~.. .~ - NORTHERN STATES POWER

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 APPENDIX D LIST OF SECTION XI VT 2 EXAMINATlqNji SYSTEM PROCEDURE NO. RESULTS Reactor SP 1174 Satisfactory Coolant (6-8-91) System t i t. PAGE 12 OF 13

NORTHERN STATES POWER-

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE ISLAND UNIT 1,1991 .A_.PPENDIX E - RESULTS OF STEAM GEN EDDY CURRENT EXAMINATIONS Pages 1 to 4 and Attachments i l-l l l l-PAGE 13 OF 13 - ~ -

m _ _ _. _ _ _. _ _ NORTHERN. STATES POWER-

SUMMARY

REPORT ~ INSERVICE INSPECTION-PRAIRIE ISLAND UNIT.#1, 1991 1 RESULTS OF STEAM GENERATOR EDDY CURRENT EXAMINATIONS During the June 1991 scheduled refueling outage 100% of all accessible tubes in steam generator 11 and 12 were' examined full length. The examination was conducted utilizing the multifrequency eddy current technique. The program was as follows:

1. Cold leg examinations were performed from the seventh support plate on the hot leg side through the tube end on the cold leg side on rows 2 through 46, row I tubes were ' examined from the seventh support plate on the cold leg side through the tube end on the cold leg side.

These examinations were completed using magnetically biased 0.720 inch, 0.700 inch and 0.680 inch diameter bobbin probes.

2. Hot leg examinations were performed from the seventh support plate on the hot le'.;

side through the tube end on the hot leg side. These examinations were comn'eted using magnetically biased 0.720 inch diameter bobbin probes, All row 1 U-Bends were examined from the seventh support plate on the cold leg sido through the seventh support plate on the hot leg side using Zetec dual motion MRPC U Bend probes. Motorized rotating pancake coil (MRFC) techniques wer:, utilized extensively in both steam generators.. The inspection strategy was to examine all row 1 U-Bends and supplement the bobbin coil data to further characterize: indications of percent through wall, manufacturing burnish marks, undefined indications and distorted indications. The'following is a summary of MRPC examinations: 93 U-Bends examinations in 11 hot leg 71 U-Bends examinations in 12 hot leg 100 supplemental examinations in 11 het leg 32 supplemental examirations in _11 cold leg 168 supplemental examinations in 12 hot leg 25 supplemental examinations in 12 cold leg Conam Inspection was-contracted to acquire and evaluate the eddy current data. Zetec was, contracted to perform a completely independent evaluation of all_ data acquired - by Conam Inspection. The scope of all -the work contracted was completed using remote positioning devices and the Zetec MIZ-18 digital test equipment along with as-sociated acquisition software. The-analysis was completed using Zetec, Inc. EDDYNET version 2J with ANALYSIS program revision 1H released 5/29/91, RPC program revision lE released 5/29/91 and CRACKMAP-program revision-0G released 5/29/91. Summaries of: - total tubes examined, distribution of indications, tubes plugged this

outage, and -total tubes plugged to.date can be_found in Tables I

through IV respectively. Cumul ative-lists and tube sheet maps of indication: by depth range, tubes plugged this outage, total-tubes plugged to date and total tubes sleeved to date are listed on page 4 of 4 and attached, i PAGE 1 0F 4 4 l

NORTHERN STATES POWER

SUMMARY

REPORT INSERVICE INSPECTION PRAIRIE-ISLAND UNIT-#1, 1991-TABLE'l-Total' tubes examined + PRQDPAM-TUBE _ COUNT PERCENT 11 hot leg 3316 100 11 cold leg 3316 100 12 hot leg 3332 100 12 cold leg 3332 100 TABLE 11 Distribution of indicatlons

INDICATION RANGE S/G 11 S/G 12 0% TO 19%

26 16 20% TO 29% 55 21 30% TO 39% 36 4

40% T0 100%

4 15

Includos CIR, sal, and MAI indications

-TABLE Ill Tubes plugged this outage S/G N0. R0W - COLUMN %TWD LOCATION 11 1 13 SAI 07H t 7,2 12' -11 14 SAI TRH + 9.9 12 5 15 SAI TRH + 2.2 12 3 16 SAI TRH + 0.1 12 17 22 mal TRH + 3.5 12 3 23 MAI TRH + 0.1 12 1 27 SAI TRH + 6.4 12-4 29 SAI TRH + 0.0 12 3 34 MAI-TRH + 0.8 12 2 35 MAI TRHl+ 0.7 12 16 37 MAI 'TRH + 3.9 12- -12 38 MAI TRH + 4.5 12-20 42-12 1-49 SAI TRH + 1.8 12 4 52 -SAI TRH + 5.6 12 4 58 MAI TRH + 7.7 12 13 91 -47 OIC v 0.1

- Lower sleeve weld--joint-1eak TABLE IV Total tubes plugged to:date S/G NO.

TUBE COUNT PERCENT 11 73-2.15 _12 72 2.13 PAGE 2 0F 4

SUMMARY

REPORT NORTHERN STATES POWER PRAIRIE ISLAND UNIT #1, 1991 INSERVICE INSPECTION EEGEND OF FIELDS AND CODES FIELD EXPLANATION R0W Row number of tube location COL Column number of tube location LEG Channel head tested from (H inlet & C - outlet) BEG Beginning extent of test - see below END Ending extent of test - see below REM Remarks - see below REEL Optical disk number, side, reel and calibration PROBE Probe size, manufacturer and type used - see below LOCATION Physical Location or date of repair - see below VOLTS Voltage of signal DEG Degree of :ignal Measured percent or three digit code - see below CH Channel number used for measurement FIEtp CODE [XPLANATION Probe nominal diameter PROBE 7W Wide groove ULC manufactured by Zetec ZU Standard ULC manufactured by Zetec ZS Spring flex ULC manuf actured by Zetec ZR Rotating pancake coil by Zetec ZN ZS with small diameter nose cone by Zetec BEG,END, TEH Tube end hot (primary face) LOCATION TRH Top of roll expansion hot leg TSH Tube sheet hot (secondary face) STH Sleeve top hot OlH First support plate -on hot leg side Second through sixth locations 07H Seventh support plate on hot leg side NV1 First new antivibration bar Second and third locations NV4 Fourth new antivibration bar 07C Seventh support plate on cold leg side Sixth through second locations 01C First suppurt plate on cold leg side STC Sleeve top cold TSC Tube sheet cold (secondary face) TRC Top of roll expansion cold leg TEC Tube end cold (primary face) REM S Supplemental RPC data CIR Circumferential RPC indication MAI Multiple axial RPC indication PLG Plugged tube SAI Single axial RPC indication SLV Sleeved tube V0L Volumetric RPC indication PAGE 3 0F 4

NORTHERN STATES POWER

SUMMARY

REPORT INSERVICE-lNSPECTION . PRAIRIE ISLAND UNIT #1, 1991 ATTACHMENTS STEAM GENERATOR 11 - 0% T0 19% LIST '2 PAGES STEAM GENERATOR-ll - 0%-T0-19% MAP - 1 PAGE STEAM GENERATOR 11 - 20% TO 29% LIST - 3 PAGES l -STEAM GENERATOR 11 - 20% TO 29% MAP - 1 PAGE STEAM GENERATOR ll --30% TO 39%' LIST - 3 PAGES STEAM GENERATOR 11 - 30% TO 39% MAP - 1 PAGE STEAM GENERATOR 11 - 40% TO 100%. CIR, MAI AND SAI LIST - 1 PAGE STEAM GENERATOR 11 - 40% TO 100%, CIR, MA1: AND sal MAP - 1 PAGE STEAM GENERATOR 11 - TUBES PLUGGED THIS OUTAGE LIST - 1 PAGE STEAM GENERATOR 11 - TUBES PLUGGED THIS' OUTAGE-MAP - 1 PAGE . STEAM GENERATOR 11 - TOTAL TUBES PLUGGED TO DATE LIST - 6 PAGES STEAM GENERATOR 11 - TOTAL TUBES-PLUGGEO TO DATE MAP - 1 PAGE STEAM GENERATOR 12 - 0% TO 19% LIST - 2 PAGES STEAM GENERATOR 12 - 0% TO 19% MAP - 1 PAGE STEAM GENERATOR 12 - 20% T0.29% LIST - 2 PAGES STEAM GENERATOR 12-- 20% T0 29% MAP - 1 PAGE STEAM-GENERATOR l'2 - 30% TO 39% LIST - 1 PACE

STEAM GENERATOR 12 - 30% TO 39% MAP - 1 PAGE STEAM GENERATOR 12 - 40% T0 100%, CIR, MAI'AND SAI LIST - 1 PAGE STEAM GENERATOR 12 '40% TO 100%,'CIR, MAI AND SAI HAP - 1 PAGE STEAM GENERATOR 12 - TUBES PLUGGED THIS OUTAGE' LIST PAGES

-STEAM' GENERATOR TUBES PLUGGED THIS OUTAGE MAP - 1 PAGE ESTEAM GENERATOR 12 - TOTAL TUBES PLUGGED TO DATE LIST - 61PAGES ST"AM GENERATOR TOTAL TUBES PLUGGED TO DATE MAP - 1 PAGE STEAM GENERATOR 12 - TOTAL TUBES SLEEVED TO DATE LIST - 8 PAGES STEAM GENERATOR.12 - TOTAL TUBES SLEEVED-T0 DATE MAP-- 1 PAGE PAGE 4 0F 4

. ~ NORTHERN STATES POBER COMPANY INSERVICE INSPECTION MATERIALS AND-SPECIAL PROCESSES PRAIRIE ISLAND

SUMMARY

REPORT UNIT #1, 1991- -ATTACHMENTS STEAM GENERATOR 11 - 0% T0.19% LIST - 2 PAGES STEAM GENERATOR 11 - 05 T0 19% MAP - 1 PAGE STEAM GENERATOR 20% TO 29% LIST - 3 PAGES STEAM GENERATOR 11 - 20% TO 29% MAP - 1 PAGE STEAM GENERATOR 11 - 30% TO 39% LIST - 3 PAGES STEAM GENERATOR 11 - 30% T0 39% MAP - 1 PAGE - STEAM GENERATOR 11 - 40%'TO 100%, CIR, MAI AND SAI LIST - 1 PAGE . STEAM GENERATOR 11 - 40% TO 100%, CIR, MAI AND SAI MAP - 1 PAGE STEAM GENERATOR 11 - TUBES PLUGGED THIS OUTAGE LIST - 1 PAGE STEAM GENERATOR 11 - TUBES PLUGGED THIS OUTAGE MAP - 1 PAGE STEAM GENERATOR.11 - TOTAL TUBES PLUGGED TO DATE LIST - 6 PAGES STEAM GENERATOR 11 - TOTAL TUBES PLUGGED TO DATE MAP - 1 PAGE STEAM GENERATOR 12 - 0% T0 19% LIST - 2 PAGES - STEAM GENERATOR 0% TO 19%. MAP - 1 PAGE ~ STEAM GENERATOR 12 - 20% TO 20% LIST 2 PAGES ' STEAM GENERATOR 12 - 20% TO 29% MAP --1 PAGE STEAM GENERATOR 12 - 30% TO 39%. LIST - 1 PAGE STEAM GENERATOR 12 - 30% TO 39% MAP - 1 PAGE-STEAM GENERATOR 12 - 40% TO 100%,_CIR, MAI AND SAI LIST - 1 PAGE STEAM GENERATOR 12 40% T10 100%, CIR, MAI AND SAIJMAP - 1 PAGE STEAM GENERATOR 12 - TUBES PLUGGED THIS.0UTAGE LIST - 2 PAGES STEAM ~ GENERATOR 12 - TVBES PLUGGED THIS OUTAGE MAP - 1 PAGE STEAM GENERATOR 12 - TOTAL-TUBES ' PLUGGED TO DATE ' LIST'- 6 PAGES STEAM GENERATOR 12 - TOTAL TUBES PLUGGED TO DATE MAP - 1 PAGE STEAM GENERATOR 12 - TOTAL TUBES SLEEVED TO DATE LIST - 8 PAGES STEAM GENERATOR 12 -- TOTAL TUBES SLEEVED TO DATE MAP - 1 PAGE PAGE 4 0F 4 L ..~, _

.-..~.~. _.- CUHULATIVE INDICATIONS REPORT PRAIRIE-ISLAND, UNIT 1 Generator: 11 Pago: 1 of 2 'g......: Hot and Cold legs Date: 06/17/91 ...elease.. : 2.1 Time: 10:23' 0% TO 19% for the entire length EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH n-. 1 4 H 01H TSH S 10A085A2 720ZR TSH+ 17.Z 0.93 293 VOL 4 H 07H TEH 1A006Al 720ZW TSH+ 17.5 -0.54 159 5 1 ! 1.19 215 VOL 4 1 5 H O1H TSH S 10A085A2 720ZR TSH+ 17.4 H 07H TEH 1A006Al 720ZW TSH+ 17.5 0.41 159 5 lj 30 15 C 07H TEC 18008A1 720ZU 01C-0.3 0.80 145 7 17 32 16 C 07H TEC 1B008A1 720ZU 01C-0.1 0.90 144 8 17 720ZW02h 0.0 1.63 125 10 17 25 26 H '07H TEH 4A023Al 19 ii ~ H 07H TEH 4A023'1 720ZW 04H-0.1 2.65 140 6 17 42 28 C 07H TEC 3B01LA1 720ZU 03C-0.2 1.35 140 11 17 -s 44 33 C 07H TEC 2B021A1 720ZU 3C-0.3 1.36 136 18 17 45 37 C 07H TEC 2B024A1 720ZO 03C-0.0 1.25 139 19 17 -m- _q 16 45 H 07H TEH 5A039Al 720ZU 025-0.3 1.62 138 6 i/ 32 46 H 07H TEH 5A039Al 72020 02H-0.1 0.58 134 11 17 ) 44 50 C 07H TEC 4B035A1 720Zu 010-0.2 0.50 143 12 17 i 19 52 H 07H TEH 3A048A3 7202U 02H-0.2 1.38 131 11 17 '40 56 C 07H TEC SBO40A1 720ZU 07C-0.1 0.96 147 2 17 43 58 H 07H TEH 3A052A1 720ZW TSH+ 0.9 0.50 108 14 17 H TSH TSH S 10A091A1 720ZR TSH+ 0.9 13.32 333 VOL 4 37 72 C 07H TEC 7B049Al 720ZU 01C+ 0.0 1.14 144 17 17 36 76. C 07H TEC 7B053Al 720ZU 01C+ 0.0 1.21 145 19 17 29 80 C 07H TEC 6B056A2 720ZU 01C-0.2 1.63 137 19 17 f L 29 81 C 07H TEC 8B057Al 720ZU 01C-0.1 1.21 147 17 17 31 82 C 07H TEC 8B057Al 720ZU 02C+ 0.0 0.56 146 17 17 NSP r

CUMULATIVE INDICATZONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 11 Page: 2-of 2

- g......:

Hot and Cold legs Date: 06/17/91 .aleaso..: 2.1 - Time: 10:23 0% TO 19% for the entire length . - = - - EXTENT CURRENT ROW' COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEGl % CH m.. 24 86 C 07H TEC 7B058A1 720ZU 01C-0.3 3.06 1/ 19 17 i 19 89 C 07H TEC 7B058A1 720ZU 01C-0.1 2.30 159 7 17

== w 18 90 C 07H TEC 8E060A1 720ZU 01C-0.2 0.81 150 7 17 w 19 90 C 07H TEC 88060A1 720ZU 01C-0.2 1.47 141 17 17 7 92 C 07C TEC SB065A3 700ZU 01C-0.1 2.04 144 14 17 C 06H TEC 98080A1 700Z0 01C-0.1 3.44 150 19 17 9 93 C. 07H TEC 8B065A3l700ZU 01C+ 0.0 1 h. 146 12 17 NUMBER OF TUBES IN REPORT = 26 NSP l L l

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CUMULATIVE-INDICATIONS REPORT PRA1RIE ISLAND, UNIT 1 Page: 1 of 3 Generator: 11 Date: 06/17/91 ~'g......: Hot and Cold legs Time: 10:26 ..aleaso.. : 2.1 2C% TO 29% for the entire length CURRENT EXTENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH -x

=

17 4 H O1H O1H S 10A085A2 720ZR 01H+ 0.1 1.61 111 VOL 4 H 07H TEH 1A006Al 720ZW O1H-0.2 0.81 126 22 17 J l12 15 C 07H TEC IB008A1 720ZU TSC+ 0.5 0.59 155 23 1 -m_m_ _m i 33 16 C 07H TEC 1B008A1 720ZU 01C+ 0.0 1.51 127 29 17 m._ _ p. 42 32 H 07H TEH 2A027Al 7202W 01H+ 2.5 0.45 147 24 1 39 35 C 07H TEC 2B022A1 7202U 07H+ 36.7 1.00 0 20 1 35 37 C 07H TEC 2B024A1 720ZU NV4+ 4.4 0.92 0 20 18 m 36 38 C 07H TEC 2B024A1 7202U NV2+ 32.7 .96 0 20 18l 26 39 C' 07H TEC 2B024A1 720ZU NV3+ 0.0 1.32 0 26 18 07H TEC 2B024A1 7202U NV2+ 3.1 1.63 0 29 18 27 39 C l07H 1 TEC 2B024A1 720ZU NV2+ 24.0 1.21 0 23 18 C 41 39 C 07H TEC 2B026Al 720ZU NV2+ 38.9 1.08 0 21 18 43 39 C 07H TEC 2B026Al 720ZU NV2+ 40.7 1.48 0 27 18 ~40 41 C 07H TEC 2B026Al 720ZU 07H+ 35.8 1.35 0 25 18 C 07H TEC 2B026Al 720ZU NV2+ 1.9 1.23 0 24 18 4B028A$ ~ 720ZU 07H+ .31.8 1.19 0 25 18 35 42 C 07H TEC 36 45 C 07H TEC 4B031A1 720ZU NV4+ 2.7 1.04 0 21 18 36 47 C 07H TEC 4B032A1 720ZU NV4+ 3.1 1,47 -0

27 18

-.-t. 35 48 C 07H TEC 118095A3 720ZU NV2+ 31.0 1.43 0 25 18 C 07H TEC 4B032A1 720ZU NV2+ 31.4 1.45 -0 27 18 41 49 C 07H TEC 4B035A1 720ZU NV2+ 38.7 1.52 0 28 18 18f 38 50 C 07H TEC 4B035A1 720ZU NV2+ 2.4 1.04 0 21 41 50 C 07H TEC 11B095A3 720ZU 07H+ 37.6 1,41 0 25 18 C 07H TEC 11B095A3 720ZU NV2+ 2.4 1.52 0 26 18 L_ NSP t I

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 11 Page: 2 of 3

,g......:

Hot and Cold legs Date: 06/17/91 Time: 10:26 .s l e a s e.. : 2.1 20% TO 29% for the entire length ,_w . _, = =. - - _. _ = =.. -.__--=m EXTENT CURRENT ROW COL LEG BEG' END REM REEL PROBE LOCATION VOLTS DEG CH --n_ m-__ - =- = =. -, = .=n. w== 35 51 C 07H TEC SB037Al 720ZU NV2+ 31.9 1.05 0 22 18 ! C 07H TEC SB037Al 720ZU NV4+ 3.3 0,87 0 20 18 _. _ _ _ _. -. -..... _. ~ _. - ,m._. a._. 36 51 C 07H TEC 5B037Al 7202U NV2+ 2.5 0.88 0 20'18 C 07H TEC SB037Al 720ZU NV2+ 31.6 1.53 0 29 18 n m.__ -n. .=,.x n _e 39 51 C 07H TEC SB037Al 720ZU NV2+ 36.0 2.67 0 21, 18 ,_.mp,__ , _ _.. _ _ _ _ _ _. ~ 43 51 C 07H TEC 5B037Al 7202U NV4+ 6.0 3.76 0 26 18 t ._. mmm___ m m= 4 _. 38 52 C 07H TEC 5B037Al 720ZU NV4+ 3.9 0.94 0 21 18 ---._._n_.,-- I 40 52 C 07H TEC 5B037Al 720ZU O7H+ 36.6 1.02 0 22 18 C 07H TEC 5B037Al 720ZU NV4+ 4.8 1.15 0 24 18 mm..__ ._a 30 53 C 07H TEC 5B038;1 720ZU 07H+ 32.6 1.17 0 20 18 C 07H TEC 5B038A1 720ZU NV2+ 1.4 1.35 0 22 18 -_._mmm., 38 53 C 07H TEC 5B038A1 720ZU MV4+ 5.6 1.31 0 23 18 4 r .w

==.=m-43 53 C 07H TEC SB038A1 720ZU NV2+ 39.9 1.37 C 23 18 C 07H TEC SB038A1 720ZU NV4+ 5.4 1.18 0 21 18

==" ~*=== =- r 29 54 C 07H TEC 5B038A1 7202U 07H+ 31.6 1.29) 0 22 18 C 07H TEC 5B038A1 7202U NV2+ 1.7 1.41! 0 24 18 C 07H TEC 5B038A1 720ZU NV2+ 25.0 1.30l C 23 18 um mm,_=r.-, .= e 0 22 18 3 2. ' __.--,1,- 36 54 C 07H TEC SB038A1 720ZU NV2+ 31 55 C 07H TEC SB040A1 720ZU NV2+ 26.6 1.40 0 25 18 ( -~ w ,n.=e j 37 55 C 07H TEC 11B095A3 720ZU MV2+ 34.0 1.09 0 20 18 -==.=n- -= 43 55 C 07H TEC 5B040A1 720ZU MV2+ 40.2 1.01 0 20 18 C 07H TEC 5B040A1 720ZU NV44 5.0 1.57 0 27 18 h --

==== -.. -..-.9 - - =. = - 56 C 07H TEC SB040A1 720ZU NV2+ 21.7 1,74 0 29 18l ( 26 __._-_,.___.._.__.y 18l 36 56 C 07H TEC SB040A1 720ZU NV2+ 1.5 1.75 0 29 ._ _.. m== t= _w __ __m _q 40 56 C 07H TEC SB040A1 7202U NV4+ 3.7 1.37 0 28 18p_j ___..m_ .__,_.g NSP

._.. - - ~... -. - .-. -. -.. -... - -.. _ ~. _... CUHULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: Il Page: 3 oF 3 'ig......: Hot and Cold legs Date: 06 17/91 / malease..: 2.1 Time: 10:26 20% TO 29%-for the entire length i EXTENT -CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH 36 57 C 07H TEC, 8B060A1 720ZU NV4+ 2.8 1.29 0 26 18 _?== 37 57 C 07H TEC 88060A1 720ZU NV2+ 1.7 0.95 0 21 18 39 57 C 07H TEC 88060A1 720ZU NV2+ 35.8 1.25 0 25 18 C 07H TEC 88060A1 720ZU NV4+ 4.4 1.14 0 24 18 f-38 58 C 07H TEC 8B060A1 720ZU NV2+ 35.3 1.32 0 26 18 C 07H TEC 8B060A1 720ZU NV4+ 5.5 1.06 0 22 18 39 58 C 07H TEC 88060A1 7202U NV2+ 2.1 1.26 0 25 18 45 58 C 07H-TEC BB060A1 720ZU 01C-0.1 1.28 135 23 17 r-- 44 59 H 07H TEH 7A055A1 720ZW TSH+ 1.4 0.36 147 22 1 11 O1H TSH S 10A094A1 720ZR TSHt 1.4 2.41 124 VOL 4 [ f 31 60 C 07H TEC 8B063Al 720ZU 07H+ 33.1 1.10 0 23 18 C 07H TEC 88063Al 720ZU NV2+ 1.5 1.17 0 24 18 27 61 C 07H TEC 8B063Al 720ZU NV2+ 1.3 0.89 0 20 18 ] 40 61 C 07H TEC 8B063Al 720ZU NV2+ 36.3 0.91 0 20 18 l 38 62 .C 07H TEC 98064A1 720ZU NV2+ 33.0 1.08 0 22 18 C 07H TEC 98064A1 720ZU NV4+ 3.8 1.00 0 21 18 42 62 C 07H TEC 9B064A1 720ZU 01C-0.1 2.30 130 24 17 i 36 63 C 07H TEC 9B064A1 720ZU NV2+ 32.5 1.30 0 26 18 33 64 C 07H TEC 88065A1 720ZU NV2+ 29.2 0.92 0 21 18 30 65 C 07H TEC 6B045A1 720ZU NV2+ 1.7 1.01 0 21 18 40 67 C. 07H TEC 68047Al 720ZU 01C-0.1 1.41 133 22 17 4 28 81 C 07H TEC 8B057Al 7202U 01C-0.2 0.94 137 26 17 26 85 C 07H TEC 7B058A1 720ZU 02C-0.1 2.19 138 20 17 10 93 C 07H TEC BB065A3 7002U 02C-0.1 1.34 137 22 17 J l 1 IBER OF TUBES IN REPORT = 55 NSP

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.-~. - - -... _. - --.. -. _ - ~,.. CUHULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 11 Page: 1 of 3 ig......: Hot and Cold icgs Date: 06/17/91 .alease..: 2.1 Time: 10:31 30% TO 39% for the entire lenoth EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH 1 2 H 07H TEH 1A006Al 720ZW TSH+ 17.3 2.01 140 38 1 H O1H TSH S 10A085A2 720ZR TSHF 17.5 5.40 92 VOL 4 6 2 C TSC TRC S 11B099Al 720ZR TSC+ 0.1 1.85 32 VOL 4 C TSC TRC S 11B099Al 720ZR TSC+ 0.4 1,51 80 VOL 4 C 07H TEC 11B093Al 700ZS TSC+ 0.6 0.48 147 31 1 1 3 H 07H TEH 1A006Al 720ZW TSH+ 17.4 1.98 139 34 1 H O1H TSH S 10A085A2 720ZR TSH+ 17.5 2.67 269 VOL 4 r 40 C 07H TEC 11B095A3 720ZU NV2+ 1.5 2.70 0 38 18 35 42 C 07H TEC 4B028A1 720ZU NV2+ 1.9 2.15 0 35 18 41 49 C 07H TEC 4B035A1 720ZU NV4+ 4.8 1.77 0 31 18 43 49 C 07H TEC 4B035A1 720ZU NV2+ 39.8 2.54 0 38 18 C 07H TEC 4B035A1 720ZU NV4+ 6.0 2.29 0 35 18 38 51 C 07H TEC SB037A1 720ZU NV2+ 35.6 1.84 0 32 18 l 43 51 C 07H TEC SB037Al 720ZU NV2+ 39.2 4.75 0 30 18 39 52 C 07H TEC 5B037Al 7202U NV2+ 34.5 1.65 0 30 18 40 52 C 07H TEC SB037Al 720ZU NV2+ 2.2 2.00 0 34 18' C 07H TEC 5B037Al 720ZU NV2+ 37.1 1,74 0 31 18 "I 30 53 C 07H TEC 5B038A1 720ZU NV2+ 25.7 2.0" 9 30 18 l w 38 53 C 07H TEC SB038A1 720ZU NV2+ 34.5 2.65 0 37 18 ~ 44 53 C 07H TEC SB038A1 7202U 01C-0.2 2.87 128 38 17' 4j C 01C 01C S 11B099Al 720ZR 01C-0.2 7.52 138 VOL 45 53 C 01C 01C S 11B099Al 720ZR 01C+ 0.0 6.01 145 VOL 4 C 07H TEC SB038A1 720ZU 01C-0.2 1.00 128 38 17 s 36 54 C 07H TEC 5B038A1 720ZU NV2+ 2.3 2.50 0 35 18 42 54 C 07H TEC 58038A1 720ZU NV2+ 38.3 2.18 0 '32 18 C 07H TEC SB038A1 720ZU NV4+ 5.2 2.45 0 35 18 NSP

CUMULATIVE Il4DICATIOND REPORT FRAIRIE ISLAliD, U!11T 1 GLneratort 11 Paget 2 of 3 'g......t Hot and Cold legs Date: 06/17/91 ..elease..! 2.1 . mot 10:31 30% TO 39% for the entire length .?-~~- ,m m = _ _... g - m n-_, m l EXTEllT CURRE!1T IROW 00L LEG >EG E!1D REM REEL PROBE LOCATIO!1 VOLTS DEGl % CH -q _,_ _ m m m _ _ u= = = =.mm-m%.m 1.-__ 43 54 0 01C 01C S 13B099Al 720ZR 01C-0.0 8.59 120 VOL 4 C 0711 TEC 5B038A1 720ZU 010-0.2 1.73 134 32 17 --me-:.9 mmm -mmm_- l 26 56 C 07H TEC 5B040A1 720ZU !!V4+ 0.1 2,06 0 33 18 m.._ mmme.m-r--wl -w.,m== m,,mm=- -m-a-2.7 1.88 0 31 18 36 56 C 071! TEC 5B040A1 7200U ti W + m...._ _._m4 mm:mmm.- mre . - - m.m---p-y 1 35 57 C 0711 TEC 8B060A1 720ZU 14V 2 + 1.8 1.86 0 33 18 C 0711 TEC BB060A1 720ZU 11V 2 + 32.0 1.68 0 31 18 -__. _,=_ __m _ _-. -. - - -. l2.17 0 35 18I 25 58 C 0711 TEC 88060A3 720ZU NV4+ 3.5 - _,m-mm m w.m -w p 38 58 C 0 711 TEC 88060A1 7202U 07H+ 35.2 2.16 0 35 18 C 07H TEC, 8B060A1 720ZU NV2+ 2.1 2.58: 0 38 18 1 g- _=. -mm --mmm ---m-== .mmmm-, H I SB060A1 720ZU NV2+ 35.8 1.71 0 31 18 39 5A C 0711 TEC C 07H TEC 8B060A1 720ZU NV4+ 6.0 1,82 0 32 18 [ a_ mm==- c==pm --mm_, m=5 40 59 C 0 711 TEC 11B095A3 720ZU NV2+ 2.0 2.89 0 39 18 C 0 711 TEC 11b095A3 7202U,1V4+ 3.9 E.59 0 37 18 w._me .mmm :.m=m.w - -w -- - - -, = =_=t., 31 60 C 07H TEC BB063Al 720ZU 11V 2 + 27.3 1.88 0 32'18 ._w...-- -c=___. 27 61 0 07H TEC 88063A' 720ZU 0711' 32.1 1.77 0 31 18 ..,, =,.-_ w--w 33 761 C 01C 01C S 11B098A1 720ZR 01C-0.2 5.48 118 VOL 4 C 0 711 TEC 7B053A1 720ZU 01C-0.3 1.88 124 37 17 .~_ 32 77 C 0 711 TEC eB056Al 720ZU 01 C-0.2 2.26 126 33 17 C 01C 01C S 11B098A1 720ZR 01C-0.2 5.80 88 VOL 4 _ :. - - -_.-m.-= m 31 78 C 01C 01C S 11B098A1 720ZR 01C-0.1 6.58 129 VOL 4j . -] 17 C 0711 TEC Gb056A2 7202U 01C-0.2 2.04 126 31 n-30 79 C 01C 01C S 118098A1 720ZR 01C-0.1 9.99 140 VOL 4 C 07H TEC 6B056A2 7202U 01C-0.2 1.95 126 31 17 .;--mmm Wmm_r_ _m _____-.__mm _-mm 31 80lC 07H TEC 6B056A2'720ZU 02C+ 0.2 4.41 117 39 17 C 02C 02C S 11B098A1 720ZR 02C+ 0.2 13.33 118 VOL 4 m,..___.,_._-.4._ wm _. -mm 30 83 C 02C 02C S 11B098A1 720ZR 02C+ 0.0 11.09 120 VOL 4 C 07H TEC 8B057Al 720ZU 02C-0.1 2.59 126 36 17 6.,_. __ ___e ...u . _. ~ _ _m__ NSP

. _ - ~ - - - - -.. - CUMULATIVE IND8CATIOND REPORT PRAIRIE ISLAND, UllIT 1 Genteratort 11 Paget 3 of 3 '$g......* Hot and Cold lega Dato: 06/17/91 ..J1ea se.. t 2.1 Timot 10:31 30% TO 39% for the entire longth EXTENT CURRENT r ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG Cil .u - a.-.- = _n 27 85 C 0 711 TEC 7B058A1 720ZU 01C+ 0.0 1.59 133 31 17 1 C 01C 01C S 11B098A1 720ZR 01C+ 0.0 9.57 125 VOL 4 u 22 87 C 01C 01C S 11B098A1 720ZR 01C-0.1 6.64 145 VOL 4 C 0 711 TEC 7B058A1 720ZU 01C-0.2 1.74 126 30 17 22 88 C 01C 01C S 11B098A1 720ZR 01C+ 0.0 8.57 109 VOL 4 C 0 711 TEC 70058A1 720ZU 01C-0.0 2.22 122 35 17 ) NUMBER OF TUDES IN REPORT = 36 NBP j i I n 1 .m.,..,_.-....... ..l. _. _ _ _.. _ _. _.. _. _.. _ ~,.... _,. _ _ _. _. _ _ _ _ _.. _ _ _ _. _ __. _ _ _. _ _. _, _ _.._._.__._....-___i,.._.--..-.,..

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+ -'+****'*t*-t*-'~+; i i 1 - .-e4.m,.*,.+; -j N i i : _,) i 1 i *- ~ ~ G 1 I'. @i! i 4 l I 7 3 , ep i g j [-j j ....+, _ I. > "V ,.,...-...... s...1-.-, o m I U 7 3 I i ! 4 t '1 s E,, e-* e iI..: . J '~ O u 1 - ' ~ i ~ *~*-+- ~ i i ~"-* .cn +- c .t u t* @, @ d ^ { . T Y ,~**h i ~,, -.+. j .: 4 e fr) uj m ..e-,-+-+ ', g' %' 4-l : y *- N Z Q l o - u; a v = O " O O (3 L_,L.{ .4. ..a. .,.,_,u.s L g --ti

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CUMULATIVE INDICAT80NS REPORT i PRAIRIE ISLAND, Ul4IT 1 Generator 11 Paget 1 of 6 29......t ilot and Cold lega Date 06/18/91 Roloaso..t 2.1 Timot 11:57 ~ ~ ~ - - - EXTENT CURRENT ROW COL LEG DEG END REM REEL PROBE LOCATIO!4 VOLTS DEG 1, Cll _m_,_m__. _ _,__. _m 1 1 }{ 01/90 PLG C 01/90 PLG _m_ q .3 1 11 10/79 PLG C 10/79 PLG -. _._.m 4 1 - }i 10/79 PLG C 10/79 PLG _n- __n_ e -.. - - -, -..= ___ _ 5 1 li 10/79 PLG C 10/79 PLC c 3 2 11 10/79 PLG C 10/79 PLG _m.,__, -4 2 11 10/79 PLG C 10/79 PLG mm. _ e -m-----t 5 2 11 10/79 PLG C 10/79 PLG 8 2 11 08/88 PLG C 08/88 PLG 9 2 11 08/88 PLG C .08/88 PLG .an. ua _ a,-: nmme-7 3 11 08/88 PLG C 08/88 PLG (._ __n , _ = -. 3 3 11 09/81 PLG C 09/81 PLG -r_ 8 4 H 09/81 PLG C 09/81 PLG e- ,x::, u.-- -m C 08/88 PLG mm,_.- 9 5 11 01/90 PLG C 01/90 PLG -.w - - NSP

i CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UllIT 1 Generatort 11 Page 2 of 6 29...... Hot and Cold legs Date: 06/18/91 1 Releaso..I 2.3 Times 11:57 ___.m___.__..__ EXTEllT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG Cll _. _ a.-- _,__.,,,,.n, 1 13 11 06/91 PLG C 06/91 PLG

==_. = - ___.m---- num -mm=um .=mm --mm_ 28 16 11 01/90 PLG C 01/90 PLG 4 42 31 11 09/01 PLG C 09/81 PLG m_ 36 35 11 09/81 PLG C 09/81 PLG 38 38 II 09/01 PLG C 09/81 PLG 36 40 11 09/81 PLG C 09/81 PLG v 45 40 li 01/90 PLG C 01/90 PLG -- - m.,.. _: e. -~.m 45 42 11 01/90 PLG C 01/90 PlO

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CUMULATIVE INDICATIOND REPORT PRAIRIE ISLAND, U!11T 1 Generator 11 Paget 3 of 6 g......t llot and Cold lega Datet 06/18/91 Helease..t 2.1 Times 11:57 =w. ..-s-n.w =x= n, - - = n - - -. w.n = = - - = =~==..= === = - === - n - = EXTENT CURRENT ROW COL LEG BEG' END REM REEL PROBE LOCATION VOLTS DEG CH ,; = __.aa===== -a=aa=.

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45 49 H 01/90 PLC C 01/90 PLG 43 50 11 09/81 PLG C 09/81 PLG n---=m. _ -.,==_m.2 m.--= mmm== , mmm

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===-me 25 51 11 12/83 PLG {_-,C.- --_- w. n 12/83 PLG 45 51 H 03/90 PLG C 01/90 PLG - _ _-.= m=m. _. - _. _ - - - _m-m... m.-,.: 36 52 11 09/81 PLG C 09/81 PLG -== nw . --.- = m 32 53 H 01/85 P14 C 01/85 PLG = u=aa.= - w.==== .n- --wn,.w. 46 53 H 01/85 PLG C 01/85 PLG ~ 31 54 II 09/81 PLG C 09/81 PLG ._._J _ _m. .. =.m_ 37 54 11 09/81 PLG C 09/81 PLG g -- -.. - _w .,. _., _ _... _ =,,..,. _

_

38 54 H 09/81 PLG C 09/81 PLG _,_. ] ,m m s _._ _. _.____m_.. m NSP

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator 11 Pago 4 of 6 ag......I Hot and Cold 1ogs Date: 06/18/91 Roloase..: 2.1 Timo 11:57 EXTENT CURRENT ROW COL LEG DEG END REM REEL PROBE LOCisTION VOLTS DEG Cl! 31 56 11 12/83 PLG C 12/83 PLG 39 56 11 12/83 PLG C 12/83 PLG 29 57 11 12/83 PLG C 12/83 PLG ---..: -== 38 57 H 12/83 PLG C 12/83 PLG 43 57 H 09/81 PLG C 09/01 PLG _a 41 58 H 03/85 PLG C 01/85 PLG 31 59 H 12/83 PLG l C 12/83 PLG m_._ 41 59 H 01/85 PLG C 01/85 PLG 45 59 H 01/90 PLG C 01/90 PLG 42 60 11 12/83 PLG l C 12/83 PLG m 31 61 H 09/81 PLG C 09/81 PLG 36 61 H 01/85 PLG C 1 01/85 PLG & 43 61 11 01/90 PLG C 01/90 PLG 35 62 H 09/81 PLG C 09/81 PLG l NSP

CUMULATIVE INDICATIOND REPORT PRAIRIE ISLAND, UNIT 1 Generator: 11 Pagot 5 of 6

g...... I ilot'and Cold logo Dato: 06/18/91 Rolease

.t 2.1 T1rno : 11 57 ,:.m.-- m., -m.m_. - g EXTENT CURRENT ROW COL LEG BEG END REM REEL PRODE LOCATION VOLTS DEG CH .u - 16 68 11 09/81 PLG C 09/81 PLG i _m.. 34 76 11 01/85 PLG C 01/85 PLG 37 7G 11 12/83 PLG C 12/83 PLG =_< 36 77 11 01/90 PLG C 01/90 PLG 33 78 11 01/90 PI4 C 01/90 PLG mm__ _---, - - e -- mmm-34 78 11 01/90 PLG C 01/90 PLG = .___m-m, ,,,mm_, 35 78 11 09/81 PLG C 09/81 PLG ,,_m .= 32 79 11 12/83 PLG C 12/83 PLG m.=.n.u-- wan_ 34 79 11 09/81-PLG C 09/81 PLG a 29 83 11 01/90 PIG C 01/90 PLG

-c m.m.m__m. -- - - -

25 84 11 01/90 PLG C 01/90 PLG --n___ 24 85 -H 01/90 PLG C 01/90 PLG -ca_ - -. -- c m-m mmo: =:.m=mm- -mu-25 85 11 12/83 PLG C 12/83 PLG -m__ -.m __mm,_m. -- - m_ _ _. 22 86 11 09/81 PI4 C 09/81 PI4 NSP _.. _,.. _..,.. _ _... _ - _ _. _ _. -.... ~. -.., - _ - -,.

CUMULATIVE INDICATIOND RLPORT PRAIT.IE ISLA!1D, Ul1IT 1 Generator: 11 Page: 6 of 6 19......: liot and Cold legs Date: 06/18/91 Release..: 2.1 Time: 11:57 _, enn... ,. - n ===w nn-== - - = - _., EXTE!1T CURRE!1T ROW COL LEG BEG E!1D REM REEL PROBE LOCATIO!1 VOLTS DEG 1 Cll m.m _.. m 25 87 11 10/84 PLG C 10/84 PLG w_ .m _ I 21 88 11 01/90 PLG C 01/90 PLG 7 94 11 10/84 PLG C 10/04 PLG . - n. ~.----.a. ,=..= .n. NUMBER OF TUDES Ill REPORT = 73 NSP

4, y y; m 3 .y y ca ..i f ~ 3 t t t s I = i r 1111}111[} f i ! ! {i t t l i j l l ! ! llltititi i t!!-Illillli! ((ll Ilili!!!!ii!!f fI!' [til It!;iti!! I ~ 42 L T 4 p ..~ _._, _y._.t... -. F R. ^ 4 - R {~=. ]. [pM T T' ... F.p 4 - 4 [I.- 3 .4 7 .{. _ 7_- < _..4... .j .f... .R .1 .. M Mn ). _.At-t y } +gq . -E - 1 1-.. ..1_' ...-..i i_ ..b. z E,__ ._J.__ 4-._

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CUMULATIVE INDICATIOND REPORT PRAIRIE ISLA!JD, Ull1T 1 Generator: 12 Page: 1 of 2 29......: llot and Cold legs Date: 06/17/91 Releano..: 2.1 Tine: 11:29 0% TO 19% for the entire length y m., EXTE;1T CURRE!JT I ROW COL LEG BEG END REM REEL PROBE LOCATIO!J VOLTS DEGl 1, CH G.nnq===x==vx - =w=n e,-==-=._w- -. -. ~ -... -.- _. _. - y 44 35 11 0311 03H S 3/$093Al 720ZR 03H+ 0.1 5.74 137 VOL 4! H 0711 TEli 5A040A1 720ZW 0 311-0.1 146 14 17! ._ _,== _ _ _ b _1.10 n ,._=n - -.-m m__. ly[ 13 40 C 07H TEC SB023Al 72020 02C+ 2.5 1.56 163 10 C 0711 TEC 5B023Al 720ZU 02C+ 37.9 1.97 159 15 1 -~~

= = =.==a== =

r.==

15 40 H TSl! TRll S 3A093Al 720ZR TSil+ 0.2 1.99 111 VOL 4 H 07H TEH 6A044A1 720ZU TSil+ 0.3 2.52 159 16 1 .=n-- , =. = > = = = = = = = - - t===.~.=n== 44 59 11 0711 TEli 7A001A1 720ZW TSH+ 13.4 0.40 153 16 1 H 0 111 TSH S 10A097Al 720ZR TSH+ 33.5 2.97 180 VOL 4l

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=

_a _..y__ r~-~ - ~ - -==-i 40 68 C 07H TEC 7B047A1 720ZU 01C+ 0.2 1.75 131 18 17 C 01C 01C S 113091A1 720ZR 01C+ 0.2 6.63 129 VOL 4i = =l .w.m -rm m -- = - + - = m== mmm.= m. = . __ m 37 71 C 0711 TEC 7B051A1 720ZU 01C+ 0.1 2,06 126 15 17 C 01C 01C S 11B091A1 720ZR 01C+ 0.2 7.86 136 VOL 4 --~- -- -======wn==e.==== ==-r_- .-_~_---=_-- 38 72 C 07H TEC 7B051A1 720ZU 01C+ 0.2 1.97 125 18 17 C 01C 01C S 11B091A1 720ZR 01C+ 0.2 7.25 135 VOL 4

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1 CUHULATIVE INDICATIONS REPORT PRAIRIE ISLA!1D, UNIT 1 Generator: 12 Page: 2 of 2 og......: Hot and Cold legs Date: 06/17/91 noloase..: 2.1 Time 11:29 0% TO 19% for the entire length m - EXTENT CURRE!1T ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG Cil 19 87 C Olc Olc S 11B091A1 720ZR 01C-0.0 3.92' 135 VOL 4 C 07H TEC 9B060A1 720ZU 01C-0.1 0.79 126 18 17 27 90 C 07H TEC 9B060A1 720ZU 01C+ 0.0 0.88 135 5 17 C 01C Olc S 11B091A1 720ZR 01C+ 0.0 4.16 133 VOL 4 10 92 C 07H TEC 88063Al 720ZU 01C+ 0.0 0.94 141 7 17 C 01C 01C S 11B091A1 720ZR 01C+ 0.1 3.91 156 VOL 4 H 01H O1H S 3A098A1 720ZR 01H+ 0.1 4.16 146 VOL 4 H 07C TEli 11A082A1 720ZW Olli-0.0 0.99 136 12 17 NUMBER OF TUBES IN REPORT = 16 NSP 1 l l ... - -. ~. -

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__m.. _....__ _ ___ _______ _ __ _.m CUMUZ.ATIVE D1DZCATIONS REPORT PRAIRIE ISLA!!D, UNIT 1 Gonorator: 12 Page: 1 of 2 'eg......: Hot and Cold legs Date: 06/17/91 deleaso..: 2.1 Time: 11:36 2 A TO 29% for the entiro length - -m m - . -.m_ _,m - ~.. EXTE!JT-CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEGl t Cll 4_ I L _1 8 27 C 0711 TEC 18014A1 720ZU NV4+ ?.3 1.37 0 23 18 .. = - ._m.. 27 29 11 0 311 0 311 S 3A093Al 720ZR 03H+ 0.0 1.55 31 VOL 4 07H TEll 5A035A1 720ZW 0311-0.1 0.53 127 22 17 41 29 C 0711 TEC 20015A1 720ZU NV2-0.0 1.21 0 23 18 \\ 19 33 C STH TEC 10B079Al 700ZH 0711+ 24.4 0.95 0 20 18 C STH TEC 10B079Al 700ZN NV2+ 0.4 0.93 0 20 18 _ _:ma.- 43 34 H 07H TEli 2A038A1 720ZW 0311+ 0.1 1.48 127 25 l'7 H 03H 03H S 3A093Al 720ZR 03H-0.0 5.77 143 VOL 4 n,-w.. 8 44 C STil TEC 10B083Al 700ZH 02H-0.1 0.91 132 25 17 .= _ 41 44 C 07H TEC SB026Al 720ZU NV3+ 0.0 1.35 0 25 18 - I22 47 C 0 *iH C SB030A1 720ZU NV2+ 16.1 0.91 0 21 18 ! 38 46 C 07H TEC 88063Al 720ZU NV4+ 7.3 1.25 0 24 18 m.__.m r 17 49 C 07H TEC 68032A1 720ZU NV2+ 1.5 1.15 0 22 18 i l 18: 49 C 07H TEC 6B032A1 720Z0 NV2+ 1.6 1.13 0 22 18 41 50 C 07H TEC 6B032A1 720ZU NV2+ 37.8 1.16 0 22 18 41 51 C 07H TEC 5B034A1 720ZU NV2+ 38.2 0.84 0 20 18 C 07H TEC SB034A1 720Z0 NV4+ 7.4 0.88 0 21 18 24 52 C 07H TEC 5B034A1 720ZU NV2+ 1.1 0.99 0 22 18 22 57 C 0711 TEC 4B039Al 720ZU NV2+ 18,5 0.85 0 20 18 = l 44 60 C 07H TEC 4B041A1 720%U 01C+ 0.0 2.07 125 20 17 C 01C 01C 3 11B091A1 720ZR 01C+ 0.2 11.63 131 VOL 4 .g -m -uma_ 17 68 C. 07H TEC 4B049Al 720Z0 07H+ 21.3 1.55 0 23 25 68 C 07H TEC 4B049Al 720ZU 0711+ 28.8 0.92 0 24 18 NSP l

CUMULAT8VE INDICATIOND REPORT PRAIRIE ISLAND, UNIT 1 Generator: 11 Pago: 2 of 2 '0g......: Hot and Cold legs Date: 06/17/91 .selease..: 2.1 Time: 11:36 20% TO 29% for the entire length m- --mm q EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATIOli VOLTS DEG CH 37 73 C 07H TEC 8B053Al 720ZU 01C+ 0.0 1.73 132 26 17 C 01C 01C S 11B091A1 720ZR 01C+ 0.1 10.24 136 VOL 4 - _ m_m- -, i. 29 80 C 07H i CC ' 7B056Al 720ZU 01C4 0.1 0.81 126 28 17 C 01C 010. S 11B091A1 720ZR 01C+ 0.2 4.25 136 VOL 4 c 20 88 C OIC 01C S 11B091A1 720ZR 01C4 0.0 4.33 149 VOL 4 C 07H TEC 9B060A1 720ZU 01C-0.1 0.53 122 25 17 .n .._w,,-, hUMBER OF TUBES IN REPORT = 21 NSP l i 2 i -gr,- ,..-,,,,..__,.,,.,g ,,,yg,, ,,p,7y ,_9,._,_.y, ,ym r_g_._.,p,.,y _q-, 4._pq,,g,9,g ,v., ,,_,..m m.,,,w ,,_,.,..,,_.,.,,w,,,-_wm,_,.s,,,,.,4

...m..__ -~m.-- 7. O t4 N .J W 3 D .) 6,, M ) f .y () 'j ,-j e4 a p 1 i l 3 g 4 + 4 i i i t i t, i l lli l. . ll. r,', .+ i 4 .r f 1 .+ w 4 i l 9 2 w-.----_-. fg l y I .m no 4-. e 6. a 4 e i 4 i. -. . ~. -... - --,- Ii ...w 'I ..--.-.,m.d^* f _ + -.... , i # L.--..._........... ......4-w..n s- ........a'* .... ~. . J P-9 t ......-..n.. ..,.. j _-. - 4 .. ~. i k -.---.----..~.J .. ~ -. +.. -... -....... ._.._...a... t .- _a w. r -.. -. - ~.. .n. ~_n.- ..-.-_.-.,~..+..~.J~- + 4 .-..-.m... .....-.m.--..,- -...._.......-.+4 L1..J g -. ~ -.. - - .m,-~ ~. - -- r j . ~. 4. ~ -. ~...- ~.~.

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CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAllD, Ull1T 1 Generator: 12 Page: 1 of I g......: llot and Cold legs Date: 06/17/91 Helease..: 2.1 Time: 11:56 30% TO 39% for the entire length ,..-____._n- _= q EXTEllT CURRENT ROW COL LEG BEG END RE!! REEL PROBE LOCATIO!! VOLTS' DEGl 1 Cll ~~ y=w. s --- =m =-- m pa.w.---= u--- -w l2.61 40 29 C 0711 TEC i, ; 6 ' '),\\ 1 720ZU NV3+ 0.0 0 37 18 ~~ x.c. = u n. w s,=mmm -m ___ _ m _ .-,mmmmm=m-am mmmm-c- { 0,0?TN (~,'20ZW 43 59 11 0 711 TEH l J.,17, 01H+ 0.0 1.56 112 36 17 11 O1H O1H S 10ZR 0111+ 0.4 7.66 137 VOL 4 - M .-w -. y, o, - mm.=- - - um -:- -:- ---.m -

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CUHULAT8VD IND8 CAT 20!48 REPORT PRAIRIE ISLAND, Ul47T 1 Generatort 12 Pagot I of 1 1g......t !!ot and Cold legs Dato: 06/17/91 .,aloane.. 2.1 Timot 12:02 40% TO 100% for the entire length CIR,MAI,SAI for the entire length n=,__ EXTENT CURRENT ROW COL LEG BEG EllD REM REEL PRODE LOCATION VOLTS DEG Cl! mm____ _ _4mmm.m_. 81 14 TSit TRll 8 11A092A1 720ZR T Ril+ 9.9 2.50 48 SAI 4 s 5 15 TSl! TRH S 11A092A1 720ZR TRi!+ 2.2 2.19 95 SAI 4 3 16 H TS!! TRll 8 11A092A1 720ZR TRl!+ 0.1 13.31 17 BAI 4 _ m _... -__ 17 22 H TSH TRll 8 11A092A1 720ZR TRH+ 3.5 1.87 90 MAI 4 3 23 H TSH TRl! S 10A094A1 720ZR TRl!+ 0.1 5.08 18 MAI 4 1 27 TSH Trit 8 10A094A1 720ZR TRl!+ 6.4 1.05 34 SAI 4 4 29 TSH TRll 8 3A095A1 720ZR TRH+ 0.0 5.67 7 BAI 4 n__ _ _. 3 34 11 07H TEll 2A038A1 720ZW TEH+ 3.2 3.25 78 82 17 TS!! TRH S 3A093Al 720ZR TRl!+ 0.8 15.19 62 MAI 4 H TS!! TRll 8 3A093Al 720ZR TRl!+ 6.3 5.46 81 MAI 4 . m,.: -..m_.. 2 35 H TS}l TRll 8 3h093A1 720ZR TRH+ 0.7 2.24 74 MAI 4 16 37 H TSil TRH S 3h093A1 720ZR TRH+ 3.9 0.84 61 MAI 4 82 30 H TSH TRH S 3A095A1 720ZR TRl!+ 4.5 2.20 63 MAI 4 l m l 1 49 H TSH TRH S 11A096Al 720ZR TRH+ 1.8 1.28 64 SAI 4 4 52 H TSH TR11 0 10A097Al 720ZR TRH+ 6.6 1.82 75 DAI 4 =. l 4 58 H TSH TRH S 10A097A1 720ZR TRH+ 7.7 2.01 32 MAI 4 13 91 C 07H TEC 8B063A1 720ZU 01C+ 0.1 1.40 115 47 17 l C 01C- 01C S 11B091A1 720ZR 01C+ 0.1 4.39 118 VOL 4 ,_.a_.._. NUMBER OF TUBES IN REPORT a 15 l NDP 1 1

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l CUMULATIVE ZNDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 J Generatori 12 Pagot 1 of 2 ~ 1g......: llot-and Cold legs Date: 06/18/91 ..dleaGe..: 2.1 Timot 11:35 i ur-EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH -n.. 11 14 H 06/91 PLG C 06/91 PLG 9 15 3 06/91 PLG C 06/91 PLG _u__ 3 16 H 06/91 PLG C 06/91 PLG _a.. 17 22 H 06/91 PLG C 06/91 PLG -3 23 H 06/91 PLG C 06/91 PLG I 1 27 H 06/91 PLG C 06/91 PLG 4 29 H 06/91 PLG l C 06/91 PLG l 3 34 H 06/91 PLG C 06/91 PLG 2 35 H. 06/91 PLG C 06/91 PLG 16 37 H 06/91 PLG ^ C 06/91 PLG 12 38 H 06/91 PLG C 06/91 PLG 20 42 H 06/91 PLG C 06/91 PLG l .1 49 H 06/91 PLG C 06/91 PLG 4 52 H 06/91 PLG C 06/91 PLG l l NSP F -.w,. .----.-_-------mm,,.-,,-, .,..~.---,-.-,,m,_...

_. _ _ _ _ _ _ _. _ _ _ _ _. _.... _ _ _ _. _ _ _.. ~ _. - _ CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page 2 of 2 f 1g......: Hot and Cold legs Dato: 06/18/91 .elease..: 2.1 Time 11:35 EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH --= -. 4 SC H 06/91 PLG C 06/91 PLG 13 91 H 06/91 PLG-C 06/91 PLG NUMBER OF TUBES IN REPORT = 16 NSP v b

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CUMOLATIV2 IND8 CATIONS REPORT DRAIR1B ISLVfD, UNIT 1 Generatort 12 Pago: 1 of 6

eg......I Hot and Cold legs Date: 06/18/91

,elease.. 2.1 Timot 12 04 1 I i- - -.. _ ~ gnggg u _ ="TJ:L crat- ~ ~ ~ - - - - m-EXTENT CURRENT ROW COL LEG DEG END REM REEL PROBE LOCATION VOLTS DEG Cil 2 6 11 01/90 PLG C 01/90 PLG ._a_ Ill 11 14 06/91 PI4 C 06/91 PLG -e =- 5 15 H 06/91 PLG C 06/91 PLG 3 16 11 06/91 PLG C 06/91 PLG eten ace.r g;ggggggy-;-mggg --- 6 18 01/85 PLG C 01/85 PI/ - 1 19 il 01/90 PLG C 01/90 PLG _3,-- 4 19 11 ~ 01/85 PI4 C 01/85 PLG 2 -21 11 07/80 PLG C 07/80 PLG 17 22 11 06/9., PLG C 06/9;, PLG 3 23 H 06/91 PLG C 06/91 PLG 1 27 H 06/91 PLG C 06/91 PLG 1 28 H 01/90 PLG 'C 01/90 PLG i 1 29' H 12/83 PLG -C 12/83 PLG 4 29 H. 06/91 PLG C 06/91 PLG NSP l' ,.... -. = _ -.. -. _ _ - - _.

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 2 of 6 'og......: Hot and Cold legs Date: OC/10/91 ..elease.. : 2.1 Time: 12:04 s q EXTENT CURRENT I ROW COL LEG BEG END RE*1 REEL PROBE LOCATION VOLTS DEC CH e 1 31 H 01/90 PLG C 01/90 PLG = 1 32 H 01/90 PLG C 01/90 PLG l f -t-19 32 H 08/88 PLG C r3/88 PLG 1 33 H 0_/90 PLG C 01/90 PLG 16 33 H 01/85 PLG C 01/85 PLG 1 34 H 12/83 PLG C 12/83 PLG 3 34 H 06/91 PLG C 06/91 PLG l. 30 34 H 01/85 PLG C 01/85 PLG 1 35 H 01/90 FLG C 01/90 PLG { 2 35 H 06/91 PLG C 06/91 PLG 32 35 H 09/81 PLC C 09/81 PLG i p 1 36 H 12/83 PLG C 12/83 PLG ' F r', 1 37 H 01/90 PLG }{ C 01/90 PLG ] 16 37 H 06/91 PLG C 06/91 PLG NSP

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLANC, UNIT 1 Generator: 12 Page: 3 of 6 'og.,....: Hot and Cold legs Dato: 06/18/91 '.eleaso..: 2.1 Time: 12:04 a ~. - an_ EXTENT ,URRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VGLTS DEG 1 Cli w 1 38 11 01/90 PLG C 01/90 PLG .=.= - .- - m- ..__.2.-e-- 3 38 H 01/90 PLG C 01/90 PLG 12 38 H 06/91 PLG C 06/91 PLG 1 39 H 01/85 i PLG C 01/85 PLG w-

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CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 4 of 6 eg......: Hot and Cold legs Date: 06/18/91 .elease..: 2.1 Time: 12:04 _,_m=_-- EXTENT CURRENT ROW COL LEG BEG END BEM REEL PROBE LCCATION VOLTS DEG Cl! --u=,_. 4 52 H 06/91 PLG C 06/91 PIG ~ 1 56 H 01/90 PLG C 01/90 PI4 1 57 H 01/90 'PLG C 01/90 PLG _m.m.m.,_ 5 57 H 01/90 PLG C 01/90 PLG e 1 58 H 01/90 FLG l C 01/90 PLG j ...r.=rmucy:ss=:w==rrr 4 58 H 06/91 PLG C 06/91 PLG _=m 1 SG H 01/90 PLG { C 01/90 PLG m, 13 60 H 01/90 PLG O 01/90 PLG 1 61 H 01/90 PLG C 01/90 PLG 1 62 H 12/83 PLG C 12/83 PLC .w. 36 62 H 12/83 l PLG C 12/83 PLG 43 62 H 01/90 PLG C 01/90 PLG 38 66 H 01/90 PLG C 01/90 PLG 38 68 H 01/90 PLG C 01/90 PIG NSP

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 5 of 6

eg......:

Hot and Cold legs Date: 06/18/91 .elease..: 2.1 Time: 12:04 EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH 39 68 H 01/90 PLG C 01/90 PLG 36 74 H 01/90 P14 C 01/90 PLG 37 75 H 10/84 PLG C 10/84 PLG m 36 76 H 01/90 PLG C 01/90 PLG 25 77 H 01/90 PLG C 01/90 PLG a. 34 77 H 01/90 PLG C 01/90 PLG i 34 78 H 10/84 PLG C 10/84 PLG 31 80 H 01/90 PLG C g 01/90 PLG 29 82 H 01/90 PLG C 01/90 PLG 28 84 H 01/90 PLG C 01/90 PLG 24 85 H 01/90 PLG C 01/90 PLG 27 85 H 01/85 PLG C 01/85 PLG 24 86 H 01/90 PLG I C 01/90 PLG 25 86 H 01/85 PLG } 01/85 lPLG C NSP

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 . Generator: 12 Page: 6 of 6 ig......: Hot and Cold legs Date: 06/18/91 '..alease.. : ~ 2.1 Time: 12:04 EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH 13 91 H 06/91 PLG C 06/91 PLG 6 93 H 10/84 PLG C 10/84 PLG NUMBER OF TUBES IN REPORT = 72 NSP 1

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.CUHULATIVE INDICATIOMB REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 1 of 8 Tg......: Hot leg Date: 06/18/91 ..elease..:.2.1 Time: 12:54 SLV for the entire length EXTENT CURRENT ROW COL LEG BEG END REM REEL PRODE . LOCATION VOLTS DEG CH 11 9 H 01/90 SLV 4 12 H 08/88 SLV 7 13 H 08/88 S LV 13 13 H 01/90 SLV 12 14 H 01/90 SLV 13 15 H 01/90 SLV 12 17 =H 01/90 SLV 22 17 -H 04/87 SLV 4 20 H 01/90 SLV r 7 20 H 01/90 SLV 8 20 H 01/90 S LV 16 20 H 04/87 SLV 21 20 H 01/90 SLV 7 21 H 08/88 SLV '8 21 H 01/90 S LV 3 22 H 01/90 SLV 6 22 H 01/90 SLV 7 22 H 08/88 SLV l' 7 23 H 08/88 SLV 8 23 H 08/88 SLV 3 24 H 01/90 SLV NSP

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 2 of 8 'g...... Hot leg Dato: 06/18/91 ,elease..: 2.1 Time: 12:54 SLV for the entire length m EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE IOCATION VOLTS DEG CH 13 24 H 01/90 SLV 4 25 H 01/90 SLV 7 H 08/88 S LV 08/88 S LV m 5 25 H 01/90 SLV 7 26 H 01/90 SLV -_ m 8 26 H 08/88 S LV __._m 9 26 H 01/90 S LV 16 26 H 01/90 SLV 5 27 H 01/90 S LV 9 27 H 04/87 S LV 13 27 H 04/87 SLV 7 28 H 04/87 SLV 10 28 H 04/87 S LV 19 28 H 08/88 S LV 7 29 H 08/88 SLV -= 5 30 H 04/87 S L,V 8 30 -H 04/87 S LV 19 30 H 01/90 SLV 4 31 H 08/88 SLV 13 31 H 08/88 SLV l NSP 1

CUHULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 3 of 8

'g......:

Hot leg Date: 06/18/91 ..sloase..: 2.1 Time: 12:54 SLV for the entire length EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG %lCH 18 31 H 08/88 SLV 19 31 H 04/87 SLV ~ i 20 31 H C4/87 SLV 6 32 H 01/90 SLV 18 32 H 08/88 SLV 20 32 H 08/88 SLV 7 33 H 08/88 SLV 8 33 H 01/90 SLV 15 33 H 01/90 S LV i 18 33 H 08/88 SLV 19 33 H 08/88 S LV 21 33 H 08/88 SLV 18 34 H 08/88 S LV ~ 19 34 H 08/88 SLV 20 34 H 01/90 SLV 18 35 H 08/88 SLV = 19 35 H 08/88 SLv _J 20 -35 H-08/88 SLV 13 36 H 04/87 SLV 16 36 H 08/88 SLV 18 36 H 08/88 S LV NSP

CUMULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 4 of 8 7g......: llot leg Dato: 06/18/91 ..alease.. : 2.1 Time: 12:54 SLV for the entire length EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG Cl! 19 36 H 04/87 SLV 20 36 H 08/88 SLV 17 37 H 01/90 SLV 18 37 H 08/88 SLV w a n. 19 37 11 08/88 SLV .v=. - - - - -. 20 37 H 08/88 SLV -- m m_q_ 8 38 H 08/88 SLV 9 38 H 08/88 SLV 16 38 H 01/90 SLV 17 38 1 01/90 SLV 18 38 H 08/88 SLv -] w__ m 19 38 H 08/88 l S'LV g-._ 20 38 H 01/90 SLV m 4 39 H 08/88 SLV 9 39 H 01/90 SLV 15 39 H 04/87 SLV -~'" r l 17 39 H 08/88 SLV 18 39 H 08/88 SLV l20 39 H 08/88 SLV 17 40 H 04/87 SLV 18 40 H 08/88 SLV NSP

CUMUK.ATIVE INDICATIONS REPO!1T PRAIRIE ISLAND, UNIT 1 Generator: 12 Pago: 5 of 8 ~ 7g...... llot leg Dato: 06/18/91 ..alease..: 2.1 Time: 12:54 SLV for the entire length EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG Cll m 19 40 11 08/88 SLV 7 41 H 01/90 SLV 12 41 H-08/88 S LV ife -41 H 08/88 SLV j 16 41 H 01/90 SLV _mm_. _.m. . ~... -.m - 17 41 H 01/90 S LV

__.. mm 18 41 11 08/88 SIN

. m _. 19 41 H 08/88 SLV 7 42 H 08/88 SLV y m 8 42 11 08/88 S LV 14

42 H

01/90 S LV 16 42 II 08g8 SLV 18 42 H 08/88 S LV 19 42 H 08/88 SLV 3 43 11 04/87 S LV 6 43 H 04/87 SLV 18 43 H. 08/88 SLV = -19 43 11 08/88 SLV 2 44 H 01/90 S LV 7. a. -6 44 . II 08/88 SLV 8 44 H 01/90 SLV NSP

.a.. CUMULATI97E INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 6 of 8

g......:

Hot leg Date: 06/38/91 ..alease.. : 2.1. Time: 12:54 SLV for the entire length EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG Cl! 16 44 H 08/88 SLV 17 44 H 04/87 SLV 18 44 H 08/88 SLV 19 44 H 08/88 S LV _J 4 45 H 01/90 SLV 5 46 H 04/87 S LV 6 46 H 04/87 SLV 14 46 H 08/88 SLV 2 47 H 04/87 SLV 5 47 H 01/90 SLV 6 47 H 04/87 SLV 7 47 H-04/87 S LV 8 47 H 01/90 SLV 12 47 H 01/90 SLV m. 16 47 H. 01/90 SLV r 4 48 H 01/90 SLV 5 -48 H 08/88 SLV 8 48 H 04/87 V 10 48 H 08/88 S LV 12 48 H 01/90 SLV [ 25 48 H 01/90 SLV NSP l

CUMULATIVE INDICATIONG REPORT PRAIRIE ISLAND, UNIT 1 Concrator: 12 Page: 7 of 8 'g......: llot log Dato: 06/18/91 I ..eleaso..: 2.1 Time: 12:54 SLV for the entire length m_._. .. -mm __ _ =.m_.m _.m m _.m mem _. = _ s mm EXTENT CURRENT ROW COL LEG BEG END REM REEL PRODE LOCATION VOLTS'DEG Cll ,.-nn~_-=_.n==_--

==wn- -,=. - - :n~:- - = -~n - ~~ n 5 49 11 01/90 S LV n-~~ < m u _n v _w __w.

_

n.=

==.- y l 8 49 11 01/90 SLV www n.en-u.a m m. ann- _=- - _w,__-= = =. nn 15 49 11 08/88 SLV n.-~- -mu = =. z= n~==wn =-=,=----_wnn.n nn=n =nc 7 50 11 01/90 S LV ,wn_ -.en,-

== _ w= _ n.= _-_.z_- - - - - -n-~

== n.n - 8 50 11 01/90 SLV __--_n--:_n_ ,a n ,~l 23 50 11 01/90 S LV g --_n ,n- _-__--n-=n_== =.n ..-u 25 50 11 01/90 SLV m- .m.-- - =_

m. _._m,_,

m.m- _ -_ m. po 3 51 11 08/88 S LV jenn.- c.- a_a =.-- = = _ =. _ _ _ n = x. _ 4 51 11 01/90 SLV -n _= r- = m-=.n= mx-~. =,

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w-7 54 11 08/88 S LV t._ mm.. _. m m m m.. _____.m__ . _ = mm 3 55 11 01/90 S LV _,=,. - www= n=_. ._~ _ _ -. _ =:. nn 2.n.n 8 55 II 08/88 S LV - -n _-m=- . =w-:: . __ n =_n .n_m.== _ = = ca 10 55 11 08/88 SLV =_ _ _. _ =., - = =,_ =. - 3 56 11 04/87 SLV m:m = =. =nn==._

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== 8 58 11 01/90 SLV --n-- a =n_.

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CUHULATIVE INDICATIONS REPORT PRAIRIE ISLAND, UNIT 1 Generator: 12 Page: 8 of 8 'g......: Hot leg Date: 06/18/91 ..alease.. : 2.1 Time: 12:54 SLV for the entire length EXTENT CURRENT ROW COL LEG BEG END REM REEL PROBE LOCATION VOLTS DEG CH 16 59 H Olf SLV l22 59 H 01/90 SLV 6 60 H 01/90 S LV 7 60 H 01/90 S LV 4 61 H 03/88 SLV 5 62 H 01/90 SLV 6 62 H 08/88 SLV 19 62 H 01/90 S LV 25 62 H 08/88 SLV 37 62 H 01/90 SLV 6 63 H 01/90 SLV l10 63 H 08/88 SLV 13 66 H 08/88 SLV 23 67 H 04/87 SLV 10 68 H 08/88 SLV NUMBER OF TUBES IN REPORT = 162 NSP

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ML20083D714

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