ML19211D260
| ML19211D260 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 12/20/1979 |
| From: | Richard Anderson, Dahlman L, Hansen D NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML19211D259 | List: |
| References | |
| IEB-79-17, NUDOCS 8001170366 | |
| Download: ML19211D260 (51) | |
Text
PRAIRIEISLAND NUCLEAR GENERATING PLANT Redwing, Minnesota UNITS 1 AND 2 l
l I
MINNEAPoll5e ST, PAUL
"'EAsn'llYst,
INSERVICE INSPECTION-EXAMINATION
SUMMARY
PRAIRIE ISLAND NUCLEAR GENERATING PLANT - UNIT 2 December 3 to December 15, 1979 IE BULLETIN No.79-17 and ASME CLASS 2 EXAMINATIONS Inspection Period 2
@s *e
- l0 [l0 30\\ @
m M e MJUAbh NORTHERN STATES POWER COMPANY.
MINNEAPOLIS, MINNESOTA g
i 8001170 34f,
NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT - UNIT II INSERVICE INSPECTION-EXAMINATION
SUMMARY
PRAIRIE ISLAND NUCLEAR CENERATING PLANT - UNIT II December 3 to December 15, 1979 IE BULLETIN No. 79-17 and ASME CLASS 2 EXAMINATIONS Inspection Period 2 Prepared by: D. B. Hansen, Assistant M&SP Engineer Report Date:
L. C. Dahlman, December 20, 1979 M&SP Specialist P'.
Commercial Service Date:
Reviewed by:
s December 21, 1974 P.J.guhos,'
(/
Superintendent Materials and Special Processes
//
W Approved by:
fw R'ayg.Enderson, GetMral Superintendent Production Plant Maintenance
NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR CENERATING PLANT - UNIT II INSERVICE INSPECTION-EXAMINATION
SUMMARY
--INDEX--
1.0 INTRODUCTION
~
2.0 DISCUSSION OF EXAMINATION PLAN 2.1 Inspection Boundary 2.2 Examination Methods 2.3 Examination Procedures 2.4 Equipment and Materials 2.5 Personnel 2.6 Evaluation 2.7 Examination Reports and Documentation 3.0
SUMMARY
OF RESULTS Appendix A - ASME Class 1 Examinations
- No Examinations Scheduled Appendix B - ASME Class 2 Examiaations Inservice Inspection - Examination Summary Tables Table S2.2.1 - Piping Circumferential Buttwelds Table S2.2.5 - Integrally-Welded Supports Table S2.2.6 - Non-Welded Supports Table II
- Baseline Comparison Summary Table III
- Isometric Drawing Summary Appendix C - FSAR Augmented Examination
- No Examinations Scheduled Appendix D - Seismic Bolting Examination
- No Examinations Scheduled Appendix E -
Table I
- Personnel Listing Table II - Ultrasonic Calibration Blocks Table III - Procedure Listing Table IV - Equipment and Materials Appendix F - Form NIS-1, Owner's Data Report for Inservice Inspections 17162 139 u
INSERVICE INSPECTION-EXAMINATION
SUMMARY
PRAIRIE ISLAND NUCLEAR GENERATING PLANT - UNIT II December 3 to December 15, 1979
1.0 INTRODUCTION
This report summarized the inservice inspection examinations that were performed at Prairie Island Nuclear Generating Plant - Unit II.
The examinations were performed with the Unit in operation during the period from December 3 to December 15, 1979. This was the second inservice inspection conducted in inspection period two and was performed to satisfy the examination requirements of IE Bulletin No. 79-17, Revision 1, entitled " PIPE CRACKS IN STAGNANT BORATED WATER SYSTEMS AT PWR PLANTS,"
dated October 29, 1979. Prairie Island - Unit II began commercial opera-tion on December 21, 1974.
The examinations were performed on circumferential pipe welds in systems or portions of systems that were identified as containing stagnant oxy-genated borated water.
In addition, examinations were performed on integrally-welded supports and support components of ASME Class 2 systems.
Northern States Power Company contracted Lambert, MacGill, Thomas, Inc.
to perform the examinations. Ilartford Steam Boiler Inspection and Insurance Company, representing ANI, provided the Authorized Inspection.
2.0 DISCUSSION OF EXAMINATION PLAN 2.1 Inspection Boundary The examination plan focused on piping circumferential butt welds of safety-related stainless-steel piping systems that were identified as containing stagnant oxygenated borated water. This included the Safety Injection, Residual Heat Removal, Containment Spray, Chemical and Volume Control, and Caustic Addition Systems.
In addition, examinations were performed on integrally-welded supports and support components of ASME Class 2 systems that were located in the same areas as the piping examinations.
The examination plan was based on the sampling scheme identified in IE Bulletin No. 79-17, Revision 1.
This scheme approached selection of welds to be examined on the following basis:
1st - Pipe Material Chemistry--The first consideration was to examine those welds in austenitic stainless-steel piping (Types 304 and 316) having 0.05 to 0.08 wt.% carbon content.
2nd - Pipe Size and Thickness--The second consideration was to select an unbiased mixture of pipe diameters and actual wall thicknesses distributed among both horizontal and vertical piping runs.
3rd - System Importance--The third consideration was to focus the examinations primarily on those systems required to function in the emergency core cooling mode and secondly, on the con-tainment spray system.
Page 1 of 5
A table was formulated to aid in selecting the appropriate welds based on the above criteria. This table identified the system, line number, size and thickness of the piping, and the total number of welds.
All available material test reports for those systems, or portions of systems, identified for Prairie Island - Unit II were reviewed to determine both the carbon content of the piping and fittings, and also if the material was in the solution annealed condition.
Three columns were added to the table that identified the number of welds that joined the following combination of material properties:
>.05% C and not solution annealed-to- >.05% C and not solution 1) annealed.
2)
>.05% C and not solution annealed-to- >.05% C and solution annealed.
3)
>.05% C and solution annealed-to- >.05% C and solution annealed.
This information was also color-coded on a set of isometric drawings.
Using the information identified on the table and the color-coded isometric drawings, the remaining two considerations, Pipe Size and Thickness and System Importance, were us, A to identify the welds to be examined. There was a total of 577 circumferential butt welds in in the systems identified; of these, 80 welds, or approximately 13.8%,
were examined.
A number of the above welds were previously scheduled for examination in accordance with the program submitted to the United States Regula-tory Commission February 1,1978 entitled "ASME Ccde Section XI Inservice Inspection and Testing Program and Information Required for NRC Review of Requests for Relief from ASME Code Section XI Require-(
ments."
This examination,lan was based on the examination require-ments of the ASME Boiler and Pressure Vessel Code Section XI, 1974 Edition through and including the Summer 1975 Addenda, and complies with Prairie Island's Technical Specification, Section TS.4.2.
The components examined, examination methods, and the examination report number are summarized in the tables of the attached appendices as follows:
Appendix A - ASME Class 1--Examination
- No Examinations Scheduled Appendix B - ASME Class 2--Examination Tables S2.2.1, S2.2.5 and S2.2.6--Identifics the examina-tions performed on systems and portions of system.s that are included in the Inservice Inspection Program. The examinations are identified by report numbers be; inning with "79 ".
Table II--Identifies all examinations performed during this inservice inspection, along with any indications and limitations to the examination.
Page 2 of 5 1762 141
Appendix C - FSAR Augmented Examinations
- No Exeminations Scheduled Appendix D - Seismic Bolting and Supports Augmented Examination
- No Examinations Scheduled 2.2 Examination Methods Ultrasonic examination methods and techniques were used to perform the volumetric examinations. The ultrasonic test systems consisted of an ultrasonic digital analog tester and a two-channel strip
~
chart recorder. One channel of the recorder was calibrated to reflect ultrasonic screen height (amplitude) and the second channel was calibrated to indicate metal path (range) to the reflector.
This approach gives a permanent record of the examinations and allows further evaluation of any indications by the contractors Level III and Northern States Power Company.
Transducers used for the majority of the examinations were 1/4" x 1/4" in size and 2.25 or 3.5 MHZ.
They were mounted on pitch-catch type, 45-degree wedges that were " focused" for che thin wall piping being examined. A 1-1/2 V metal path was used for all piping with a wall thickness of.250" or greater, and a 2-1/2 V metal path was used for less than.250" wall thickness.
Liquid penetrant examination methods were used to perform the surface ex amin at ions. All of these examinations were performed using color contrast solvent removable materials.
All visual examinations were aided when necessary with artificial lighting and verified for adequacy with an 18% neutral grey card with a 1/32-inch black line.
2.3 Examination Procedures The ultrasonic examination procedure for pipe welds complied with the requirements of Appendix III of ASME Section XI that was issued in the Winter 1975 Addenda. A field change was issued to this pro-eedure to require a 2-1/2 V metal path examination of all piping circumferential butt welds with less than.250" wall thickness.
All the other examination procedures used complied with the require-ments of the 1974 Edition through and including the Summer 1975 Addenda of ASME Section XI.
A listing of the procedures used for the examinations is shown in Table III of Appendix E.
2.4 Equipment and Materials
~
All equipment and expendable materials used in the examination are listed by either serial number or type along with their respective calibration date or batch number in Table IV of Appendix E.
The ultrasonic calibration standards used in the examination are listed in Table II of Appendix E.
These standards are owned and maintained by Northern States Power Company at the plant site.
j]h kk Page 3 of 5
2.5 Personnel Northern States Power Company contracted Lambert, MacGill, Thomas, Inc.
to perform the examinations. Hartford Steam Boiler Inspection and Insurance Company, representing ANI, provided the Authorized Inspection.
All personnel involved in the performance or evaluation of examinations are listed along with their title, organization, and ASNT Level of certification in Table I of Appendix E.
Certifications for examination personnel are eaintained on file by Northern States Power Company.
2.6 Evaluation Any indications disclosed in the examinations were evaluated by the examiner at that time, in accordance with the rules of the procedure and ASME Section XI.
The ultrasonic examiner was aided in his evaluation by a calibration performed on a calibration _tandard before each day's examination, checked before and after each individual examination and at intervals not exceeding four (4) hours.
In addition, all ultrasonic data was recorded on two channel strip charts which were made a part of the inspection report and permitted further evaluation.
2.7 Examination Reports and Documentation All examination reports and documentation are maintained on file by Northern States Power Company. Tables S 2.2.1, S 2.2.5 and S 2. 2.6 of Appendix B identifies the examinations performed on those systems or portions of systems that are included in the Inservice Inspection Program. These tables also summarize all the examinations that have been performed to date and identifies the amount that will be examined in the future to complete the ten-year examination requirements.
For retrieval purposes, the prefix of the inspection report number corres-ponds with the year that the inspection was performed. The examination reports for this inservice inspection are prefixed with "79 ".
Table II of Appendix B identifies all the examinations, both ISI and Non-ISI systems, that were performed. This table identifies the results obtained during this examination and any limitations to the examinations. Table III of Appendix B identifies the isometric drawings that were used for the examinations. The personnel, ultra-sonic calibration blocks, procedures, equipment and materials that were used for the inspection are identified in the tables of Appendix E.
Appt idix F contains the Form NIS-1 entitled " Owner's Data Report for Inservice inquections."
Page 4 of 5
{[f2 j4}
3.0
SUMMARY
OF RESULTS The results of these examinations indicated that the integrity of these systems were maintained. There was no indication of intergranular stress corrosion cracking in any of the areas examined. The visual examinations revealed two loose nuts on Safety Injection Pump 22 Suction Hanger No.
SlH-30/A. The Liquid Penetrant examinations revealed a 9/16" linear indication (coldlap) on Residual Heat Removal Pump B Suction Hanger No.
RH RH-59 /E.
In addition, two of the integrally-welded hangers were noted to have a weld surface condition that would not enable an acceptable liquid penetrant examination. The only indications revealed by ultrasonic examina-tions were geometrical reflectors.
All indications disclosed during the examinations were resolved. The loose nets on hanger SIH-30/A were tightened and the 9/16" linear indication was removed by light hand blending. The welds with a rough surface on hangers SlH-19/D and RHRH-26/J were ground smooth. All indications were corrected and the areau were re-ex. mined with the same method that located them.
P 1762 144 Page 5 of 5
APPENDIX A ASME CT. ASS 1 - EXAMINATION
- No Examinations Scheduled This Outage -
9 1762 145
9 O
APPENDIX B ASME CLASS 2 - EXAMINATION O
1762 l'46
NORTHERN STATES POWER CO.
TABLE S2.2.1 PR AIRIE ISLAND UNIT._2______
PAGE 1
OF 5
INSERVICE INSPECTION-EXAMINATION
SUMMARY
M AJOR ITEM:_. PIPItC-CIRGMFERDTTIAL EUlr WEIIE COMPON E N R SYS P.T SUB IN SP.
R E O'O.
AMT.
IT E M PNSPECTION E-ITEM PER.
AMT.
EXAM IDENTIFICAT!ON A EPORT NO GORY ITEM TO BE EX AMINED C2.1 C-G CIRGMFERDITIAL BUIT WELDS MAIN STEAM A 32-2MS-1 MAIN STEIN B 32-2MS-2 MAIN STEAM A
'INO 1
'IIIREE 1
MAIN STEAM B 30-2MS-2 MAIN STEAM A OE 1
1 MS-17 77-101,31 31-2MS-1
'INO 1
MAIN STEAM B 31-2MS-2 MAIN STEAM A OE 1
1 MS-188 77-99,15 RELIEF HDR., 30-2MS-1 MAIN STEIN B RELIEF HDR., 30-2MS-2 MAIN STEAM A 6-2MS-1 MAIN LTPETN B 6-2MS-2 OIE 1
1 MS-113 77-96,37
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N D
FEE [ MATER A N
1 EW-161 77-45,55 16-2EW-12
{
16-2EW-11 FEEIXMTER B 16-2FW-16 16-2EW-15 OE 1
1 EW-116 77-97,3
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FORM NO.1509001 PP9-B-11
NORTHERN STATES POWER CO.
TABLE S? 2_1 PRAIRIE ISLAND UNIT 2
PAGE 2
OF 5 INSERVICE INSPECTION-EXAMINATION
SUMMARY
MAJOR ITEM:_pTprineTomvpronirrat pre-r km SUO E.
AMT ITEM INSPECTION F
ITEM PER.
AMT EXAU IDENTIF tCATION AEPOHT NO GORY 4 TEM TO BE EX AMINED I
C2.1 C-G (00tTr'D)
FEEDWATER A (8 in) 3-2AF-11 FEEDWATER B (8 in) 3-2AF-12 REFUELUG KATER SIORAGE TANK DISOfARGE 14-2S1-1
'n o 1
1 W-58 (Pt only) 79-41 12-2S1-3A IWO 1
1 W-60 79-83 12-2S1-38 12-2S-11 12-2S1-4 DIREE 1
'IWO 1
1 W-68W 79-84 STREAM 1
'I11REE 1
STREAM 2
'IWO 2
2 W-88,289 79-77, 76 CDtTTAniv2Nr SUMP B DISOIARGE LINES 14-2S1-33A 14-2S1-338 N
'IWO 1
1 W-17 79-25 N
'IWO 1
1 W-5 79-26
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12-2RH-6A 12-2RH-6B l
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NORTHERN STATES POWER CO.
T ABLE _.S2.2.1 PRAIRIE ISLAND UNIT. 2 PAGE__.3
_ O F_. 5 _ _
INSERVICE INSPECTION-EXAMINATION
SUMMARY
MAJOR ITEM:._PIPITU-CIRCUMFEREffrIAL BUI_'r_ WELDS C5E SUB INSP REOD.
AMT.
ITEM f NSFE CTION DES UP 1 N "bM PER AMT FxAM IDEN TIFIC ATION AFPORT NO GORY ITEM TO BE EX AMINED C2.1 C-G (O Nr'D)
SAFETY I?UDCTIOi PUMP PJO. 21 SUCTION 6-2RH-10A BRANCII 1 30 5
5 W-285,93,161,96 95 79-59,78,79,82,80 96 BRANol 2
'IIIREE 1
SAFFH"I ItUECTIO1 PUMP NO. 22 SUCTIOJ 6-2Ril-10B BRANOI 1
'IHO 2
2 W-286, 135 79-57, 81 DRANOI 2
'I11REE 1
RESIDUAL IIEAT RFID/AL DISGIAIKE 8-2ful-9A
'IWO 1
1 W-68 79-67 8-2RII-9B
'IlfREE 1
'IWO 1
1 W-53 79-65 8-2Ril-7A 8-2RII-78
'IWO 1
1 W-201 79-63 DORIC ICID SUPPLY 'IO SAFUTY I?UECTIOJ 6-2SI-13A
'IND 1
1 W-272R 79-53 ElREE 1
6-2SI-13B
'INO 1
1 W-271 79-52 N
&-2S1-17 8-2SI-18
'IIIREE 1
'IWO 1
1 W-85 79-94
.I:n RESIDUAL HEAT RF110 VAL SUCTIO1 l
'IWO 1
j 1
W-212 79-54
- -_ 2S1-9n
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1 1
1.
W-143.__.._ _ ____
79-5.5 FORM NO, 9%9 9 00 3 PP9-B-13
NORTHERN STATES POWER CO.
TABLE --S2A PRAIRIE ISLAND UNIT --
PAGE _ 4 OF--5 INSERVICE INSPECTION-EXAMINATION
SUMMARY
M AJOR ITEM: pTpT n -cron n ern nyrint mr-r WEUE COWONENT OR SYSTEM SUB INSP R EO'O AMT ITEM INSPECTION ITEM x
IDEMFICA1 ON M W NO.
GORY ITEM O BE EX M NED C2.1 C-G (O Wr'D)
ACCUMULA'IOR DISOIARGE LINES 12-2S1-28A 12-2S1-288 12-2S1-29A 12-2S1-29B OE 1
1 S1-316 77-49 C2.1 C-F RESIDUAL HEAT REMOVAL DISCHARGE 10-2Rfi-11 QE 1
1 Ri-294 77-33
'IND 1
1 W-176 79-30
'DIREE 1
6-2Rif-12
'IWO 1
6-2S1-10B
'IIIREE 1
RESIDUAL HEAT REMOVAL SUCTION 12-2Ril-5A
'IWO 1
1 W-105 79-27 12-2RH-5B
'IWO 1
1 W-142 79-47,50 8-2R11-4A
'INO 1
1 W-100 79-68
~
8-2RH-4B
'IHREE 1
N O
10-2R!i-3 QE 2
2 RI-255,RH-256 77-50,51 N
'INO 2
2 W-225,226 79-28,29
'IIIREE 2
8-2Ril-5A
'IND 1
1 W-104 79-69 8-2Ril-5B
'IND 1
1 W-138 79-64
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NORTHERN STATES POWER CO.
TAB L E.S2. 2. 5 PR AIRIE ISLAND UNIT 2.. _._ _ _
PAGE _1 OF 3 INSERVICE INSPECTION-EXAMINATION
SUMMARY
M AJOR ITEM:_PJP_L?G-I?JJWBMLY bELDED SUPIORIS EXAM CO?.tPON E N T O R S Y S T E P.
SUB INSP H E O'O AMT IT E.V sNSPECTION
[^OR h it ED PER[
AMT.
EXAM 10 E N TIF !C AT EON AEPORT NO ITEM T M TO S EX C2.5 C-E-1 INTDGRALLY hTlDED SUPPORTS MAIN STEAM A TWO 2
30-2MS-1 11IREE 2
MAIN STEAM B WE 1
1 I
77-147 30-2MS-2 TWO 2
IIIREE 2
MAIN STEAM A NE 3
3 J,K,M 77-154,140 31-2MS-1 TWO 1
MAIN STEAM B 31-2MS-2 111REE 2
MAIN STEAM A 30-2MS-1 (R-HDR) 11IREE 1
MAI?ETEAM B 30-2MS-2 (R-HDR) l MAIN STEAM A 6-2MS-1 MAIN STEAM B 6-2MS-2 WE 1
1 P
77-103 EEEDWATER A 16-2EW-13 WE 1
1 K
77-105 16-2EW-12 TWO 2
16-2EW-11 711REE 3
LD N
2 G,H 77-104,148 16-2EW-15 TWO 1
i TIIREE 1
1 -
I REFUELING WATER STORAGE TANK DISOIARGE i
12-2SI-4 TWO 1
1 C
79-42,34 l
FORM NO. 054-9 00 9 PP9-B-19
NORTHERN STATES POWER CO.
TABLE S2.2.5 PR AIRIE ISLAND UNIT _2-_.__ _
PAGE 2
O F__ 3 INSERVICE INSPECTION-EXAMINATION
SUMMARY
M AJOR ITEM: PIPItG-INIERALLY WELDED SUPIORTS EXAM COMPOPJENT OR SYSTEr*
3NS "E
D A.
E CATE-AND DESCRIPTIOrd OF ITE A p R A
p EPOR GORY ITEM TO BE EXAMlf.ED C2.5 C-E-1 (ORTT'DT CDNTAI?NENT SUMP B DISO1ARGE LINES l
12-2S1-33A 12-2SI-33B SAFETY INJECTION PUMP NO. 21 SUCTION BRANOI 1 6-2RH-10A OE 1
1 B
77-119 BRANOi 2 6-2MI-10A OE 1
1 G
77-119 SAFETY INJECTIO1 PUMP NO. 22 SUCTICN BRANCH 1 1
6-2mi-10B
'IWO 1
1
_D 79-35,38,38R BRAtol 2 6-2mi-10B
'IIIREE 1
RESIDUAL HEAT REMNAL SUCTION PUMP A 8-2RH-4A
'IWO 1
1 A
79-19,44 RESIDUAL HEAT REKNAL DISOIARGE PUMP B 8-2MI-98 RESIDUAL HEAT REMOVAL
~
DISOIARGE PUMP A 1
'IIIREE 1
DISOIARGE PUMP B g
6-2S1-108 l
-tDE-u I
6 '
..%+
1 * ;4*
FORM NO. 950 9 00 9 PP9-B-20
S2.2.6 NORTHERN STATES POWER CO.
TABLE PRAIRIE ISLAND UNIT ___2 PAGE@NON hTlDED 6UPlund I
OF 3
INSERVICE INSPECTION-EXAMINATION
SUMMARY
M AJOR ITEM:
PIPI M
COMPON EP SYS M SUB INSP.
R E O'O AMT.
ITEM INSPECTION PER AMT.
EXAM IDENTIFICATION REPORT NO.
GORY ITEM TO BE EXAMINED C2.6 C-E-2 SUPPORT COMPONENTS MAIN STEAM A 31-2MS-1 TWO 1
'IHREE 1
MAIN STFAM A 30-2MS-1 7WO 1
'IHREE 1
MAIN STLXM A RELIEF HDR., 30-2MS-1 CNE 1
1 0
77-140 MAIN STEAM B RELIEF HDR., 30-2MS-2
'Iwo 1
FEEDNATER A 16-2FW-13 Two 1
THREE 1
REFUELING WATER STORAGE TANK DISCHARGE N^
'Iwo 1
1 B
79-45 Ch.
N 4
,.___7 FORM N O.158-100 9 PP9-B-22
s NORTHERN STATES POWER CO.
TABLE S2x2.6 PRAIRIE ISLAND UNIT __2 PAGE 2
OF 3
INSERVICE INSPECTION-EXAMINATION
SUMMARY
M AJOR ITEM:
PIPING-tGJ WELDED SUPPORTS FXAM COMPONENT CR SYSTEf/
P R A' T Ex Y dDEN F ed ATsON PORT N.
$0Rh fT MEO BE Ex
'T M NED i
C2.6 C-E-2 (Cntr'D) j 10-251-8 j
BRA!Of 1
'IIIREE 1
BRA!&Ji 2 SAFETI ITUECTION PUMP NO. 21 SUCTION BRAtDi 1 6-2MI-10A
-In z-BRANCH 2 6-2RH-10A TO 1
1 E
79-46
'IHREE 1
SAFETY I!UECTION PUMP tJO. 22 SUCTION BRANCH 1 6-2RH-10B
-tJOtE-BRANCH 2 6-2RH-10B
'IND 1
1 A
79-33,33R
'111REE 1
I RESIDUAL HFAT REMOVAL DISCHARGE PUMP A 6-2RH-12 OE 1
1 M
77-136 PUMP B 6-251-108 Ch RESIDUAL HEAT REMOVAL N
SUCTION PUMP B 10-2RH-3 OJE 2
2 A,B 77-155
(_n
'IWO 1
1 F
79-9 (n
'IHREE 2
l PUMP A l
8-2RH-4A
'IWO 1
i 1
B 79-18 RJMP B 8-2M[-4 B _ ___ _ _ __'IIIREE
,___.1__.'.
FORM NO. 935-9 00 3 PP9-B-23
NORTHERN STATES POWER CO.
TABLE S2.2.6 PRAIRIE ISLAND UNIT _2_____
PAGE 3
op 3
INSERVICE INSPECTION-EXAMINATION
SUMMARY
M AJOR ITEM:
PIPI?G-tai WEIDED SUPPORTS sus INSP.
Fl E O'D AMT.
ITEM INSPECTION cA E-AP DES Al I NO ITEM PER.
AMT EXAM IDENTIFICATION REPORT NO.
GORY ITEM TO BE EXAMINED C2.6 C-E-2 (COTE'D)
RESIDUAL HEAT REM] VAL DISOIAICE PUMP A 8-2RH-9A PUMP B 8-2RH-9B TIREE 1
ECUMULNIOR DISCHARGE LINES LINE A 12-2SI-28A QE 1
1 B,77-137 12-2SI-29A LITE B 12-2S1-28B
'IHREE 1
12-2SI-29B BORIC E ID SUPPLY
'IO SAFLTY INJECI' ION 6-2S1-13A OE 1
1 B
77-153 6-2S1-138 REACIOR VESSEL SAFETY INJECI'IO4 LINE A 6-2SI-25A GE 1
1 H
77-150 LINE B 6-2S1-25B
'IWO 1
N (DtEAINME!E SUMP Ch DISOIARGE LITES N
LINE A
-NONE-LINE B
-TOE-I I
Ch i
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NORTHERN STATES POWER COMPANY TABLE II PRAIRIE ISLAND UNIT 2
PAGE 7
0F 9
BASELINE COMPARISON
SUMMARY
NSP NDE W BASELINE REPORT BASELINE ISI EXAMINATION COMPONENT /SYSTDi ISO METHOD IDENT.
NO.
INDICATIONS INDICATIONS LIMITATIONS NON ISI LINES continued
--RWST DISCHARGE--
14-2SI-l 66 PT W-51 79-43 N/A none none 12-2SI-3B 66 UT W-54 79-86 N-A none S-1, Best Effort 12:00 6 6:00, TEE
--BORIC ACID SUPPLY TO SAFETY INJECTION-12-2SI-ll 68 UT W-45 79-87 N/A S-5&6, 0D GEO,100%
none 68 UT W-39 79-85 N/A none All Scans, 3:00 &
9:00, Heat Trace 6-2SI-13B 68 UT W-164 79-51 N/A none NO S-1, Flange
--CHEMICAL & VOLUFE CONTROL--
3-2VC-23D A-6672 UT W-154 79-21 N/A S-1, ID GEO, 50%
S-2, Valve S-2, ID GEO, 62%
3-2VC-23E A-6678 UT W-160 79-8 N/A none S-1, 1:00-6:00, Elbow, NO S-2, TEE
--CONTAINMENT SPRAY--
s 10-2CS-3 A-7622 UT W-90W 79-75 N/A none none A-7622 UT W-92 79-73 N/A S-6, ID GEO, 50%
none A-7622 UT W-95 79-74 N/A S-5, ID GEO, 80%
none S-6, ID60D GEO,60%
O 4-2CS-3 A-7622 PT U-109 79-2 N/A none none U
A-7622 PT W-110W 79-2 N/A none none A-7622 PT W-112WR 79-2 N/A none none f
FORM No. ISI-1003
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NORTHERN STATES POWER CO.
PAGE 1 0F 3
PRAIRIE ISIAND UNIT 2 IS0tETRIC SSNARY - CLASS 2 TABLE III - APPENDIX B ghSO REVISION 00ff0fE(T OR SYSTEM ILOP h 2R A
2-ISI-37 0
STEAM CENERATORS A&B NO. 26 2-ISI-46 0
MAIN STEAM (CENERAL VIEW)
I.
2-ISI-46A 0
A 32" 32-2MS-1 NO.
2-ISI-46B 0
A 31" 31-2MS-1 24 30" 30-2MS-1 23 6"
6-2MS-1 7
2-IS I--4 7 0
MAIN STEAM (GENERAL VIEW)
B 2-ISI-47A 0
B 32" 32-2MS-2 No.
2-ISI-47B 0
B 31" 31-2MS-2 24 30" 30-2MS-2 23 6"
6-2MS-2 7
2-ISI-48 0
FEEDWATER (GENERAL VIEW)
A 2-ISI-48A 0
A 16" 16-2 W-13 13 2-ISI-48B 0
A 16" 16-2W-12 13 16" 16-2W-11 13 8"
3-2AF-11 NO.
2-ISI-49 0
FEEDWATER (CENERAL VIEW)
B 2-ISI-49A 0
B 16" 16-2W-16 13 2-ISI-49B 0
B 16" 16-2W-15 13 8"
3-2AF-12 NO.
2-ISI-50 0
B 10" 10-2RH-3 22 2-ISI-51 0
RHR PUMP B SUCTION (HANGERS)
B 8"
8-2RH-4B NO. 29 B
8" 8-2RH-5B NO. 29 B
12" 12-2RH-5B NO. 32 B
10" 10-2SI-9B NO. 22 N
2-ISI-52 0
A 8"
8-2RH-4A NO. 29 N-2-151-53 0
RHR PUMP A SUCTION (HANGERS)
A 8"
8-2RH-5A NO. 29 A
12" 12-2RH-5A NO. 32
~
A 10" 10-2SI-9A NO. 22 Ch Ch
NORTHERN STATES P0hliR CO.
PAGE 2 OF 3 PRAIRIE ISIAND UNIT 2 TABLE III - APPENDIX B ISCNETRIC SGNARY - CLASS 2 REVISION COMPONENT OR SYSTEM II)0P g
IZE h
R A
2-ISI-54 0
B 8"
8-2*H-7B NO. 29 2-ISI-55 0
RHR PUMP B DISCHARGE (HANCERS)
B 8"
8-2RH-9B NO. 29 B
6" 6-2SI-10B NO. 27 2-ISI-%
0 RHR PUMP A DISCHARGE (WELDS)
A 8"
8-2RH-7A NO. 29 2-ISI-57 0
RHR PUMP A DISCHARGE (HANGERS)
A 8"
8-2RH-9A NO. 29 A
10" 10-2RH-11 22 A
6" 6-2RH-12 NO. 27 2-ISI-58 0
CONTAINMENT SUMP B DISCHARGE (WELDS)
B 12" 12-2RH-6B No. 32 2-ISI-59 0
CONTAINMENT SUMP B DISCHARGE (HANGERS)
B 14" 14-2SI-33B NO.
B 12" 12-2SI-34B NO.
2-ISI-60 0
CONTAINMENT SUMP B DISCHARGE (WELDS)
A 12" 12-2RH-6A NO. 32 2-ISI-61 0
CONTAINMENT SUMP B DISCHARGE (HANCERS)
A 14" 14-2SI-33A NO.
A 12" 12-2SI-34A NO.
2-ISI-62 0
SAFETY INJECTION PUMP 22 SUCTION (WELDS)
B 6"
6-2RH-10B NO. 27 2-ISI-63 0
SAFETY INJECTION PUMP 22 SUCTION (HANGERS) 2-ISI-64 0
SAFETY INJECTION PUMP 21 SUCTION (WELDS)
A 6"
6-2RE-10A NO.
2-ISI-65 0
SAFETY INJECTION PUMP 21 SUCTION (HANGERS) 2-ISI-66 0
REFUELING WATER STORACE (WELDS) 14" 14-2S1-1 NO.
TANK DISCHARGE 12" 12-2SI-3A NO. 33 2-ISI-67 0
REFUELING WATER STORAGE (HANGERS) 12" 12-2SI-3B No. 33 TANK DISCHARGE 12" 12-251-4 NO. 33 10" 10-2SI-8 NO. 31 12" 12-2S1-11 NO. 33 m
N 2-ISI-68 0
BORIC ACID SUPPLY TO (WELDS) 6" 6-2SI-13A NO. 28 SAFETY INJECTION 6"
6-2SI-13B NO. 28 CP
~2-ISI-69 0
BORIC ACID SUPPLY TO (HANGERS) 8" 8-251-17 NO. 30 N
SAFETY INJECTION 8"
8-2SI-18 NO. 30
NOR11IERN STATES POWER CO.
PAGE 3 0F 3 PRAIRIE ISIAND UNIT 2 ISOMETRIC SLf44ARY - CLASS 2 TABLE III - APPENDIX B REVISICN COMPONENT OR SYSTD1 IDOP Ak 3 g h
R 2-ISI-70 0
REACTOR VESSEL SAFETY INJECTION (kTLDS)
B 6"
6-2SI-25B 6
2-ISI-71 0
REACTOR VESSEL SAFETY INJECTION (HANGERS) 2-151-72 0
REACTOR VESSEL SAFETY INJECTION (kTLDS)
A 6"
6-2SI-25A 6
2-ISI-73 0
REACTOR VESSEL SAFETY INJECTION (HANGERS) 2-ISI-74 0
BORIC ACID SUPPLY (kTLDS) 8" 8-2SI-18 NO.1 2-ISI-75 0
ACCUMULATOR DISCHARGE (kTLDS)
A 12" 12-2SI-28A 11 2-ISI-76 0
ACCUMULATOR DISCHARCE (HANGERS) 12" 12-2SI-29A 11 B
12" 12-2SI-28B 11 12" 12-2SI-29B 11
/
N CD
APPENDIX C FSAR AUGMENTED EXAMINATION
- No Examinations Scheduled This Outage -
e 1762 169
S O
APPENDIA D SEISMIC BOLTING EXAMINATICN NO EXAMINATIONS SCIEDULED TIIIS OUTAGE -
=
1762 17(
4 0
e APPENDIX E PERSONNEL LISTI!E TABE I ULTRASONIC CALIBRATION BLOCKS TABE II TABE III - PROCEDURE LISTING TABE IV EQUIPMENT AND MATERIALS 9
e 1762 171
NORTilERN STATES POWER COMPANY APPENDIX E
PRAIRIE ISLAND - UNIT 2 TAB LE _
I PERSONNEL LISTING PAGE 1
of 1
ASNT LEVEL EXAMINER TITLE ORGANIZATION UT PT MT VT D. A. IIALL TECHNICIAN LMT(3)
I R. KELLERHALL TECllNICI AN LMT II II II II(2b)
R. W. PECHACEK TECHNICIAN LMT II II II(2b)
E. L. T110 MAS SUPERVISOR LMT III III III II (2a,b)
W. M. TICl!E TECllNICIAN LMT I
L. C. DAllLMAN M&SP SPECIAL-NSP IST D. B. HANSEN ASST M&SP NSP III II II II (11,b)
ENGINEER P. J. KRUMPOS SUPT MATERIAL!
& SPECIAL PROCESSES SECTION C. LINSTROM ANII HARTFORD STEAM BOILER INSPECTION & INSURANCE COMPANY FOOTNOTES:
- 1) Level I Trainee.
2a) Certified by Northern States Power Company to perform visual determination of structural integrity for hanger assemblies in accordance with Procedure NSP-VT-2.
2b) Inspection experience and NDE qualifications were judged to be adequate to perform visual examinations in accordance with NSP-VT-1.
- 3) Organization: LAMBERT, MacGILL, THOMAS, INC. (LMT) 771 East Brokaw Road 1762 172 San Jose, CA 95112
NORTilERN STATES POWER COMPANY APPENDIX E
PRAIRIE ISLAND - UNIT 2 TABLE II ULTRASONIC CALIBRATION BLOCKS - CLASS 1 PAGE 1
of 1
SIZE 6 PIPE SCllEDULE SERIAL OR NSP DIAMETER
& TilICKNESS MATERIAL IIEAT NUMBER
- ALIBRATION REPORTS DATE 4
3" DIA SCH 160
.438" A-376,TP-316 M5900 RP-1 12-04-79 RP-2 12-04-79 RP-3 12-05-79 RP-6 12-06-79 5
4" DIA Scil 120
.438" A-376,TP-316 2P0091 RK-1 12-05-79 22 10" DIA Scil 40
.365" A-312,TP-304 F60917 RP-7 12-08-79 RP-8 12-10-79 27 6" DIA Scil 40
.280" A-312,TP-304 2P5951 RP-9 12-10-79 RP-10 12-11-79 RP-11 12-12-79 RP-14 12-13-79 28 6" DIA Scil 10
.133" A-312,TP-304 750262 ET-3 12-10-79 29 8" DIA Scil 40
.322" A-312,TP-304 2P4086 RK-4 12-11-79 RK-5 12-12-79 30 8" DIA Scil 10
.148" A-312,TP-304 547148 RP-4 12-06-79 RP-5 12-07-79 RP-15 12-14-79 RP-16 12-14-79 N~
31 10" DIA Scil 10
.165" A-312,TP-304 SP6405 RP-12 12-12-79 O
RP-13 12-13-79 N
32 12" DIA Scil 40
.375" A-312,TP-304 F41542 RK-2 12-07-79
~
RK-3 12-08-79 ET-1 12-07-79 ET-2 12-10-79 ET-4 12-11-79 33 12" DIA Scil 10
.180" A-312,TP-304 27030 RK-6 12-13-79
NORTHERN STATES POWER COMPANY APPENDIX E
PRAIRIE ISLAND - UNIT 2 TABLE III PROCEDURE LISTING PAGE 1
of 1
PROCEDURE NUMBER FIELD PLANT APPROVAL FIELD CHANGE AND REVISION CHANGE PROCEDURE TITLE DATE REMARKS CHANGE DESCRIPTION NSP-VT-1, REV. 1 NONE VISUAL EXAMINATION 4-4-79 NONE NSP-VT-2, REV. 1 NONE VISUAL EXAMINATION OF 4-4-79 NONE ASSEMBLED HANCER ASSEMBLIES NSP-PT-1, REV. 1 NONE LIQUID PENETRANT EXAMINATION 4-4-79 NONE NSP-Kr-1, REV. 1 NONE MAGNETIC PARTICLE EXAMINA-4-4-79 NONE TION, YOKE METHOD NSP-UT-1, REV. 0 1
ULTRASONIC EXAMINATION OF 4-4-79 &
NONE FIELD CHANGE INCLUDED TO PIPE WELDS 12-5-79 LENGTHEN SWEEP RANGE FOR PIPING.250" WALL THICK-NESS AND LESS.
NSP-UT-2, REV. O NONE AUTOMATIC DATA RECORDING 4-4-79 NONE G
N 4
NORTHERN STATES POWER COMPANY APPENDIX E
PRAIRIE ISLAND - UNIT 2 TABLE IV EQUIPMENT AND MATERIALS PAGE 1
of 2
MATERIAL OR TYPE OR CALIBRATION DATE EQUIPMENT SERIAL NUMBER OR BATCH NUMBER REMARKS ULTRASONIC:
NORTEC 131 D S/N 126 CAL: 11-01-79 NORTEC 131 D S/N 128 CAL:
11-13-79 NORTEC 131 D S/N 311 CAL:
9-20-79 RECORDERS:
COULD 220 S/N 3018 CAL:
10-15-79 GOULD 222 S/N 00647 CAL:
9-18-79 GOULD 220 S/N 14596 CAL:
12-03-79 GOULD 220 S/N 14120 CAL:
12-05-79 COULD 220 S/N 14012 CAL:
12-07-79 TEMPERATURE CAUGES:
PTC SURFACE THER-S/N 192 CAL:
9-20-79 CERTIFIED BY MANUFAC-M0 METERS S/N 193 CAL:
9-20-79 TURER S/N 202 CAL:
10-22-79 S/N 224 CAL:
11-14-79 MAGNETIC PARTICLE:
MAGNAFLUX YOKE S/N LMT-100 CAL:
12-03-79 ON SITE QUALIFICATION R0e. PAS BLOCKS:
4140 C.S.
S/N 012
- CERT. 9-08-77
- BY ORLAS MACHINE SHOP 304 S.S S/N 15
- CERT. 5-17-78 304 S.S S/N 022
- CERT. 9-13-79
- CERTIFIED BY LMT CALIPER:
DIAL S/N 104 CAL:
11-29-79 CERTIFIED BY MANUFAC-TURER MATERIALS:
ULTRASONIC COUP-LMT-GEL BATCH NO. ult 11177E LANT GEL 3000 BATCH NO.1378 PENETRANT MAGNA-PENETRANT BATCH NO. 7A004 TYPE:
SKL-HF/S FLUX SPOTCHECK DEVELOPER BATCH No. 78LO50 TYPE:
SKD-NF CLEANER BATCH NO. 786035 TYPE: SKC-NF 1762 175
NORTHERN STATES POWER COMPANY APPENDIX E
PRAIRIE ISLAND - UNIT 2 TABLE IV EQUIPMENT AND FMTERIALS PAGE 2
of 2
MATERIAL OR TYPE OR CALIBRATION DATE EQUIPMENT SERIAL NUMBER OR BATCH NUMBER REMARKS ULTRASONIC size frequency HARIS0NICS R3142
.25" x.25" 2.25 MHZ HARIS0NICS R9168
.25" x.25" 5 MHZ HARIS0NICS R9167
.25" x.25" 5 FDiZ HARIS0NICS R30103
.375" x.375" 3.5 FDIZ 11ARIS0NICS Q604
.375" x.375" 3.5 MHZ HARIS0NICS Q1265
.5" x.25" DUAL 1.5 MHZ llARISONICS Q1032
.5" x.5" DUAL 1.5 MHZ HARIS0NICS R244
.5" x.5" 2.25 MHZ HARIS0NICS R10050
.25" x.25" 3.5 FDIZ llARISONICS R1150
.25" x.25" 2.25 MllZ HARIS0NICS R169
.375" x.375" 3.5 MHZ HARIS0NICS R10049
.25" x.25" 3.45 FDiZ HARIS0NICS R428
.25" DIA 2.25 MHZ llARISONICS R10020
.25" DIA 5 MllZ HARIS0NICS Q11123
.5" DIA 2.25 FD12 HARIS0NICS Q6104
.25" x.25" 5 MHZ HARIS0NICS R12200
.25" x.25" 2.25 MHZ I
1762 176
4 APPENDIX F FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTION 4
1762.177
FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner NORTHERN STATES POWER COMPANY Address 414 NICOLLET MALL: MINNEAPOLIS, MINNESOTA 2.)
Plant PRAIRIE ISLAND NUCLEAR GENERATING PLANT, UNIT 2 Address Welsh, Minnesota 3.)
Plant Unit 2
4.)
Owner (Certificate of Authorization) ~~
5.)
Commercial Service Date 12-21-74 6.)
National Board Number for Unit ~~
7.)
Components Inspected Manu facturer Component or Manufacturer or Installer State or National Appurtenance or Installer Serial No.
Province No.
Board No.
C2.1 CIRCUMFERENTIAL BUTT WELDS RWST DISCHARGE NAVC0 12-2SI-3A 12" W-60 CONT. SUMP B NAVC0 DISCHARGE LINES 12-2SI-34B 12" W-5 SI PUMP 21 NAVC0 SUCTION 6-2RH-10A 6" W-285,93 96,95, 161 SI PUMP 22 NAVC0 SUCTION 6-2RH-10B 6" W-286, 135 RHR DISCHARGE NAVC0 8-2RH-9A 8" W-68 8-2RH-7B NAVC0 8" W-201 RHR DISCHARGE NAVC0 10-2RH-11 10" W-176 1762 178 Form No. 3-3048-1 Page 1 of 10
FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner MnRTHFDM QTATF9 PnLIFR FOMPAMY Address Ala MTenT_T_FT MA T T _. MTMNFAPOTTR; MTMNFROTA 2.)
Plant P9ATnTF Tsf Ann Mitri FAD CFMFRATTNC PTANT. TINTT 9 Address UFT9H_ MTNNFenTA 3.)
Plant Unit 9
4.)
Owner (Certificate of Au*horization) --
5.)
Commercial Service Date 19-91_7A 6.)
National Board Numbi r for Unit ---
7.)
Components Inspected Manu fa c turer Component or Manufacturer or Installer State or National Appurtenance or Installer Serial No.
Province No.
Board No.
C2.1 CONTINUED RHR SUCTION NAVC0 12-2RH-SA 12" W-105 8-2RH-4A NAVC0 8" W-100 10-2RH-3 NAVC0 10" W-225,226 RHR PUMP B NAVC0 SUCTION 10-2SI-9B 10" W-143 12-2RH-5B NAVC0 12" W-142 8-2RH-5B NAVC0 8" W-138 RHR PUMP A NAVC0 SUCTION 10-2SI-9A 10" W-212 8-2RH-5A NAVC0 8" W-104 1762 179 Form No. 3-3048-1
F0FM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner NORTHERN STATES POWER COMPANY Address 414 NICOLLET MALL: MINNEAPOLIS. MINNESOTA PRAIRIE ISLAND NUCLEAR GENERATING PLANT. UNIT 2 2.)
Plant Address WELSH. MINNESOTA 3.)
Plant Unit 7
4.)
Owner (Certificate of Authorization) 5.)
Commercial Service Date 12-21-74 6.)
National Board Number for Unit---
7.)
Components Inspected Manu fa cturer Component or Manu fac turer or Installer State or National Appurtenance or Installer Serial No.
?rovince No.
Board No.
C2.1 CONTINUED RHR PUMP B NAVC0 DISCHARGE 8-2RH-9B 8" W-53
~~~
CONT. SUMP B NAVC0 DISCHARGE 12-2SI-34A 12" W-17
~~~
RWST DISCHARGE NAVC0 14-2SI-I 14" W-58 12-2SI-4 NAVC0 12" W-68W
~~~
10-2SI-8 NAVC0 10" W-88, 289 BORIC ACID NAVC0 SUPPLY TO SI 6-2SI-13B 6" W-271 NAVC0 6-2SI-13A 6" W-272R 8-2SI-18 1762 180 l
NAVC0 8 W-83 Page 3 of 10 Form No. 3-3048-1
FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner NOPTMvDM eTaTre DAUPD PnyDpyv Address A p urentrvm uarr. urynrapnrve urpurenra 2.)
Plant pnArnTF 19f Ann NffCT F AD CFNFRATTMC PTANT; fiMT T 9 Address UFT 9H MT FMF9 ATA 3.)
Plant Unit 9
4.)
Owner (Certificate of Authorization) 5.)
Commercial Service Date 19_91_7A 6.)
National Board Number for Unit ---
7.)
Components Inspected Manu f a c turer Component or Manufacturer or Installer State or National Appurtenance or Installer Serial No.
Province No.
Board No.
C2.5 INTEGRALLY WELDED SUPPORTS RWST DISCHARGE NAVC0 12-2SI-4 c, SIH-15 S1 PUMP 22 NAVC0 SUCTION 6-2RH-10B D, SIH-19 RHR PUMP A NAVC0 SUCTION 8-2RH-4A A, RHRH-23 RHR PUMP B NAVC0 SUCTION 10-2RH-3 E, RHRH-59 8-2RH-4B NAVC0 J RHRH-26 C2.6 SUPPORT COMPONENTS RWST DISCHARGE NAVC0 12-2SI-4 B, SIH-16 1762 181 Page 4 of 10 Form No. 3-3048-1
FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner NORTHERN STATES POWER COMPANY Address 414 NICOLLET MALL; MINNEAPOLIS, MINhTSOTA 2.)
Plant PRAIRIE ISLAND NUCLEAR CENERATING PLANT, UNIT 2 Address WELSH, MINNESOTA 3.)
Plant Unit 2
4.)
Owner (Certificate of Authorization) ---
5.)
Commercial Service Date 12-21-74 6.)
National Board Number for Unit ---
7.)
Components Inspected Manu fa c turer Component or Manu fac ture r or Installer State or National Apportenance or Installer Serial No.
Province No.
Board No.
C2.6 CONTINUED SI PUMP 21 NAVC0 SUCTION 6-2RH-10A E, Sill-23 SI PUMP 22 NAVC0 SUCTION 6-2RH-10B A, SIH-30 RilR PUMP B NAVC0 SUCTION 10-2RH-3 F, RHRH-20 RHR PUMP A NAVC0 SUCTION 8-2RH-4A B, RHRH-14 1762 182 Page 5 of 10 Form No. 3-3048-1
FOR t NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner NORTHERN STATES POWER COMPANY Address 414 NICOLLET MALL; MINNEAPOLIS, MINNESOTA 2.)
Plant PRAIRIE ISLAND NUCLEAR GENERATING PLANT, UNIT 2 Address WELSH, MINNESOTA 3.)
Plant Unit 2
4.)
Owner (Certificate of Authorization) ---
5.)
Commercial Service Date 12-21-74 6.)
National Board Number for Unit 7.)
Components Inspected Manu fa cturer Component or Manu fac turer or Installer State or National Appurtenance or Installer Serial No.
Province No.
Board No.
NON ISI-CIRCUMFERENTIAL BUTT WELDS RHR PUMP B NAVC0 SUCTION 12-2RH-5B 12" W-145 RHR PUMP A NAVC0 SUCTION 12-2RH-5A 12" W-115,113 RHR PUMP B NAVC0 DISCHARGE 8-2RH-9B 8" W-82, 229 6-2SI-10B NAVC0 6" W-85,86,91,92 RHR PUMP A NAVC0 DISCHARGE 8-2 RH-7A 8" W-189WR 10-2RH-11 NAVC0 10" W-168W,173 8-2RH-9A NAVC0 8" W-230 1762 183 Page 6 of 10 Form No. 3-3048-1
FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner
- NORTHERN STATES POWFR COMPANY Address 414 MTCOT T FT MAT T
- MTNNFAPOTT9 MTNNF90TA 2.)
Plant PRATRTF TRT AND MTiri F AR CFNFDATTMC PTANT_ ITNTT
Address uFT cn vimrenti 4.)
Owner (Certificate of Authorization) 3.)
Plant Unit 7
5.)
Commercial Service Date 77_73_,f 6.)
National Board Number for Unit 7.)
Components Inspected Manu fa c turer Component or Manu fac turer or Installer State or National Appurtenance or Installer "erial No.
Province No.
Board No.
NON ISI-CIRCUMFERENTIAL BUTT WELDS CONTINUED RWST DISCHARGE NAVC0 14-2SI-I 14" W-51 12-2SI-3 B NAVC0 12" W-54 BORIC ACID NAVC0 SUPPLY TO SI 12-2SI-11 12" W-39,45 6-2SI-13B NAVC0 6" W-164 CHEMICAL AND VOLUME CONTROL SYSTEM 3-2VC-23D NAVC0 3" W-154 3-2VC-23E NAVC0 3" W-160 CONTAINMENT SPRAY SYSTEM 10-2CS-3 NAVC0 10" W-90W, 92,95 4-2CS-3 NAVC0 4" W-109, 110W, 112WR 8-2CS-5 NAVC0 8" W-133, 124W 1762 184 Page 7 of 10 Form No. 3-3048-1
FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner Nnnritrun qTATre pnurn enwpauv Address al a MTenT T FT MATT
- ifT VMF APAf T 9 MTVMF90TA 2.)
Plant ppATRTF T9tAnn NitrfFAR CFNFRATTNC PTANT. IIN T T 7 Address UFY Ril _ MTMNF90TA O
3.)
Plant Unit 9
4.)
Owner (Certificate of Authorization) 5.)
Commercial Service Date 19_91-76 6.)
National Board Number for Unit 7.)
Components Inspected Ma nu fa c ture r Component or Ma nu fac tu re r or I.tstaller State or National Appurtenance or Installer Serial No.
Provi1ce No.
Board No.
NON ISI CIRCUMFERENTI AL BUTT WELDS CONTINUED 8-2CS-4 NAVC0 8" W-135 6-2CS-6 NAVC0 6" W-148 SAFETY INJECTION SYSTDi 8-2SI-18 NAVC0 8" W-13, 17X,16, 275,280, 276 4-2SI-14A NAVC0 4" W-168 3-2SI-15A NAVC0 3" W-174, 185, 269W 3-2SI-15C NAVC0 3" W-200 4-2SI-14B NAVC0 4" W-204 3-2SI-15B NAVC0 s
3" W-212,219,262 3-2SI-15D NAVC0
-~~
}T {}
} hf) 3" W-228 Page 8 of 10 Form No. 3-3048-1
FORM NIS-1 OWNERS' DATA REPORT FOR INSERVICE INSPECTIONS (As Required by the Provisions of the ASME Code Rules) 1.)
Owner enornrnu etaTre pnuro cnuppyv Address 414 N T rO11 FT M Af f - MTNNFAPOf19 MINNF90TA 2.)
Plant PR AT RT F 191 AND NUrf EAR CFNFR ATINC PY ANT. UNIT 2 Address WELSH. MINNESOTA 3.)
Plant Unit 2
4.)
Owner (Certificate of Authorization) ---
5.)
Commercial Service Date 12-71-74 6.)
National Board Number for Unit ---
7.)
Components Inspected Manu fa c turer Component or Manu fac turer or Installer State or National Appurtenance or Installer Serial No.
Province No.
Board No.
CAUSTIC ACID SYSTEM 4-2CA-6 NAVC0 4" W-335,340, 348,351 b
k f f),
Page 9 of 10 Form No. 3-3048-1
FORM NIS-1 (back) 8.)
Examinotion Dates p_.i_yo to 39_is_yo 9.)
Inspection Interval 12-21-74 to 12-21-84 10.)
A5stract of 1:xaminations.
Include a list of er.amina tions and a s tatement concerning status of work required for current interval.
This was the second Inservice Inspecticii conducted during the second inspection period of the first ten year inspection interval /
79-17 The examinations completed 100% of the piping welds required by IE Bulletin No.
These examinations also included approximately 80% of the required ASME Class 2 circumferential butt welds. In addition, 50% of the required AShis Class 2 integrally welded supports and support components were examined.
11.)
Abstract of Conditions Noted. The results of these examinations indicated that the integrity of these systems were maintained. The only anomalities detected during I
the examinations were: Loose nuts on safety injection Pump 22 suction hanger I
No. S1H-30/A; A 9/16" Linear indication (Coldlap) on RilR Pump 22 suction hanger No. RHRH-59/E; and, two integrally welded hangers that the weld surf ace required grinding to allow an acceptable liquid penetrant examination. 'Ihere was no in-dication of intergranular stress corrosion cracking in any of the areas examined.
12.)
Abstract of Correc tive Measures Recorrended and !aken. The loose nuts on hanger No. Sill-30/A were tightened. The 9/16" linear indication was blended smooth to the surrounding surface and reexamined. The weld surf aces on hangers Sill-19/D and RllRH-26/J were ground smooth and the ent ire area examined. All indications
)
were corrected and the area reexamined with the same SDE method that detected them.
W certify that the statements nade in thi< r( po r t are corret t and the examinations and orrective measures taken confot7n to th rules of the AS:U: Code,Section XI.
s daA $Y a - -
Dat e&am/W,3f") 19 ~}9 Signed' Dwncr NFh IAMS a.$ tty
/
~
~
~
l' iration Date x///
Certificatc of Authorization No. (if applicable) g/As CERTIFICATE OF INSF.RVICE INSPEC t ION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors pnd/or the ':ta te or Province o f g/,auc 3./a and employed by//4,M,d Se d.,[y be 4 in.4. of //,.,% d Feu.
have inspected the com-ponents described in thls Owner's Data Report during the period p2 3 79 t o p a - /y-7 y,
and s ta te tha t to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owners' Data Report in accordance with the requirements of the ASME Code,Section XI.
By signing this certificate neither the Inspector nor his employer makes any warranty.
expressed or implied, concerning the examinations and corrective w asures described in this Owners' Data Report. Furthemore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or loss of any kind arising from or connected with this inspection.
g Date l 2 - SL i _
19 ~/ 9 h.
Commissions N d. (o N 2
/. 200.b9.
InIpector's Signature National Board. State, Province & No.
Form No. 3-3048-2 Page10 of 10,
'1762 187