L-06-163, Pressurizer Weld Overlay Examination Report: Difference between revisions

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{{#Wiki_filter:FENOC FirstEnergy Nuclear Operating Company James H. Lash 724-682-5234 Site Vice President Fax: 724-643-8069 November 20, 2006 L-06-163 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001
{{#Wiki_filter:FENOC FirstEnergyNuclear OperatingCompany James H. Lash                                                                                                   724-682-5234 Site Vice President                                                                                       Fax: 724-643-8069 November 20, 2006 L-06-163 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001


==Subject:==
==Subject:==
Beaver Valley Power Station, Unit No. 2 Docket No. 50-412, License No. NPF-73 Pressurizer Weld Overlay Examination Report By letter dated March 31, 2006 (L-06-038) and supplemented by letters dated August 8, 2006 (L-06-123), September 27, 2006 (L-06-142), and October 5, 2006 (L-06-146), the FirstEnergy Nuclear Operating Company (FENOC) requested Nuclear Regulatory Commission (NRC)approval of a proposed alternative to American Society of Mechanical Engineers (ASME) Code Section XI requirements, in support of weld overlay repairs for Beaver Valley Power Station (BVPS) Unit No. 2 pressurizer nozzles. The NRC provided verbal authorization to perform the weld overlay repairs during a teleconference on October 5, 2006.During the Beaver Valley Unit No. 2 2R12 Refueling Outage, FENOC completed the planned pressurizer structural weld overlay workscope, which included the application of full structural weld overlays to the pressurizer spray nozzle, relief (PORV) nozzle, three safety nozzles, and.,surge nozzle. The final weld overlay ultrasonic examinations were completed on November 6, 2006.Attachment 1, "Indications for Beaver Valley Unit 2 Pressurizer Weld Overlays", provides detailed results of the initial ultrasonic inspections performed on the pressurizer nozzles. The initial inspection results for locations that were subsequently repaired are noted as "Pre-Repair".
Beaver Valley Power Station, Unit No. 2 Docket No. 50-412, License No. NPF-73 Pressurizer Weld Overlay Examination Report By letter dated March 31, 2006 (L-06-038) and supplemented by letters dated August 8, 2006 (L-06-123), September 27, 2006 (L-06-142), and October 5, 2006 (L-06-146), the FirstEnergy Nuclear Operating Company (FENOC) requested Nuclear Regulatory Commission (NRC) approval of a proposed alternative to American Society of Mechanical Engineers (ASME) Code Section XI requirements, in support of weld overlay repairs for Beaver Valley Power Station (BVPS) Unit No. 2 pressurizer nozzles. The NRC provided verbal authorization to perform the weld overlay repairs during a teleconference on October 5, 2006.
The following is a summary of the results: Weld Identifications Number of Indications Nozzle (DM/SS) Initial PDI Inspection Indication Assessment Summary Safety A 2RCS*PRE21-103C  
During the Beaver Valley Unit No. 2 2R12 Refueling Outage, FENOC completed the planned pressurizer structural weld overlay workscope, which included the application of full structural weld overlays to the pressurizer spray nozzle, relief (PORV) nozzle, three safety nozzles, and
/ I Laminar Indication and I The laminar indication was acceptable, the 2RCS-103-F01 Planar planar indication was unacceptable and was removed in a repair excavation.
        .,surge nozzle. The final weld overlay ultrasonic examinations were completed on November 6, 2006.
Safety B 2RCS*PRE21-102B  
Attachment 1, "Indications for Beaver Valley Unit 2 Pressurizer Weld Overlays", provides detailed results of the initial ultrasonic inspections performed on the pressurizer nozzles. The initial inspection results for locations that were subsequently repaired are noted as "Pre-Repair".
/ No Recordable Indications N/A 2RCS-102-FOI Safety C 2RCS*PRE21-101A  
The following is a summary of the results:
/ 2 Laminar Indications The two laminar indications were acceptable.
Weld Identifications   Number of Indications Nozzle             (DM/SS)           Initial PDI Inspection       Indication Assessment Summary Safety A       2RCS*PRE21-103C /     I Laminar Indication and I The laminar indication was acceptable, the 2RCS-103-F01         Planar                     planar indication was unacceptable and was removed in a repair excavation.
No 2RCS-101-FOI Repair performed.
Safety B       2RCS*PRE21-102B /     No Recordable Indications N/A 2RCS-102-FOI Safety C       2RCS*PRE21-101A /     2 Laminar Indications     The two laminar indications were acceptable. No 2RCS-101-FOI                                     Repair performed.
PORV 2RCS*PRE21-107Z  
PORV           2RCS*PRE21-107Z /     I Laminar Indication       The single laminar indication was acceptable. No 2RCS-107-FO1                                     Repair performed.
/ I Laminar Indication The single laminar indication was acceptable.
 
No 2RCS-107-FO1 Repair performed.
Beaver Valley Power Station, Unit No. 2 Pressurizer Weld Overlay Examination Report L-06-163 Page 2 Weld Identifictationis   Number of Indications Nozzle          (DIN.l/SS)           Initial PDI Inspection           Indication Assessment Summnary Spray       2RCSIPRE21-202Z 1       4 Laminar Indications       Tlhc four laminar indications were acceptable.
Beaver Valley Power Station, Unit No. 2 Pressurizer Weld Overlay Examination Report L-06-163 Page 2 Nozzle Weld Identifictationis (DIN.l/SS)
2RCS-202-FOI                                         Repair was performed in the area of indications to correct a heat input issue, Surge       2RCS*PRE21-84Z/         3 Laminar Indications       Single indication (42) and combined indications 2RCS-84-F03                                         (42 & #3) exceed 7.5 sq. in. area and were unacceptable andrequired repair.
Number of Indications Initial PDI Inspection Indication Assessment Summnary Spray 2RCSIPRE21-202Z 1 4 Laminar Indications Tlhc four laminar indications were acceptable.
As noted in the summary table above, weld repairs were performed on the Safety A, Spray, and Surge nozzle. overlays. (Note that the indications in the spray nozzle were acceptable but fell within the repair area needed to correct a heat input discrepancy).
2RCS-202-FOI Repair was performed in the area of indications to correct a heat input issue, Surge 2RCS*PRE21-84Z/
3 Laminar Indications Single indication (42) and combined indications 2RCS-84-F03 (42 & #3) exceed 7.5 sq. in. area and were unacceptable andrequired repair.As noted in the summary table above, weld repairs were performed on the Safety A, Spray, and Surge nozzle. overlays. (Note that the indications in the spray nozzle were acceptable but fell within the repair area needed to correct a heat input discrepancy).
Attachment I also provides detailed results of the final ultrasonic inspections performed on the pressurizer Safety A, Spray, and Surge nozzles following repair and are noted as "Post-Repair".
Attachment I also provides detailed results of the final ultrasonic inspections performed on the pressurizer Safety A, Spray, and Surge nozzles following repair and are noted as "Post-Repair".
The following is a summary of the post-repair results: Weld Identifications Number of Indications Nozzle (DM/SS) Post Repair Inspection Indication Assessment Summary Safety A 2RCS*PRE21-103C/
The following is a summary of the post-repair results:
No Recordable Indications in Only Original Indication I & Ia not located in 2RCS-103-FOI repair area repair area exist. No recordable indications in the repair area.Spray 2RCS*PRE21I202Z/
Weld Identifications     Number of Indications Nozzle           (DM/SS)             Post Repair Inspection           Indication Assessment Summary Safety A     2RCS*PRE21-103C/       No Recordable Indications in Only Original Indication I & Ia not located in 2RCS-103-FOI           repair area                 repair area exist. No recordable indications in the repair area.
3 Laminar Indications The three laminar indications were acceptable.
Spray       2RCS*PRE21I202Z/       3 Laminar Indications       The three laminar indications were acceptable.
2RCS-202-FO I Surge 2RCS*PRE21-84Z/
2RCS-202-FO I Surge       2RCS*PRE21-84Z/         No Recordable Indications in Original Indication #1 and parts of Indication 9 2 2RCS-84-F03            repair area                  (2a and 2b) still exist. Indication #3 located in repair area was removed. Remaining indications (Indicatioi NI and parts of Indication #2) were acceotable. contains cross-sectional sketches showing the location and orientation of all indications, pre- and post-repair.
2RCS-84-F03 No Recordable Indications in repair area Original Indication  
There are no regulatory commitments in this letter. If there are any questions or if additional information is required, please contact Mr. Gregory A. Dunn, Manager FENOC Fleet Licensing at (330) 315-7243.
#1 and parts of Indication 9 2 (2a and 2b) still exist. Indication  
Sincerely, H. Lash
#3 located in repair area was removed. Remaining indications (Indicatioi N I and parts of Indication  
 
#2) were acceotable.
Beaver Valley Power Station, Unit No. 2 Pressurizer Weld Overlay Examination Report L-06-163 Page 3 Attachments:
Attachment 2 contains cross-sectional sketches showing the location and orientation of all indications, pre- and post-repair.
: 1. Indications for Beaver Valley Unit 2 Pressurizer Weld Overlays.
There are no regulatory commitments in this letter. If there are any questions or if additional information is required, please contact Mr. Gregory A. Dunn, Manager FENOC Fleet Licensing at (330) 315-7243.Sincerely, H. Lash Beaver Valley Power Station, Unit No. 2 Pressurizer Weld Overlay Examination Report L-06-163 Page 3 Attachments:
: 2. Nozzle Weld Repair Areas.
: 1. Indications for Beaver Valley Unit 2 Pressurizer Weld Overlays.2. Nozzle Weld Repair Areas.cc: Mr. T. G. Colbum, NRR Senior Project Manager Mr. P. C. Cataldo, NRC Senior Resident Inspector Mr. S. J. Collins, NRC Region I Administrator Mr. D. A. Allard, Director BRP/DEP Mr. L. E. Ryan (BRP/DEP)
cc: Mr. T. G. Colbum, NRR Senior Project Manager Mr. P. C. Cataldo, NRC Senior Resident Inspector Mr. S. J. Collins, NRC Region I Administrator Mr. D. A. Allard, Director BRP/DEP Mr. L. E. Ryan (BRP/DEP)
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00t0025% 0 .0.s0rr5 t14 NOTES .ABBREVIATIONS RiC -Reduction n Coveraoe DM. -Nozle/Sae 6nd Weld SS- Safe End/NPpe Weld Attachment 2 to L-06-163 Page 1 Safety A -Indication 1 BEAVER SAFETY VALLEY 2 NOZZLE A INDICATIONS 1 & IA EVALUATED AT 180&deg; PROFILE.220 -
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Attachment 2 to L-06-163 Page 2 Safety A -Indication 1 (Cont'd)Measurd OD Surface Length, Ind. #1 = 0.9" Attachment 2 to L-06-163 Page 3 Safety A -Indication 2 (Removed during Repair)-Measured OD Surface Length Ind. #2 = 1 .2" Attachment 2 to L-06-163 Page 4 Safety A -Indication 2 (Removed during Repair)
                                                                                                                                                                                                                        =O                  OTato   E-P          0&#xa2;
Attachment 2 to L-06-163 Page 5 Safety A -Indication 2 (Removed during Repair)BEAVER SAFETY VALLEY NOZZLE INDICATIONS 2E & 2F EVALUATED AT 0&deg; PROFILE....... ..... .Z Attachment 2 to L-06-163 Page 6 Safety C -Indication 1 BEAVER VALLEY UNIT 2 WELD OVERLAY PRESSURIZER SAFETY NOZZLE C INDICATION 1 EVALUATED AT 900 PROFILE INDICATION I
                                                            *,0          t1            00-03s              040"            ott            nt            W-NA          NA                WA*            W'A                           ttetdmt*pt*I              Wae&#xa2;A(~~~~) ATE NA 1EACTY&           0-noC                                                                                                                               &#xfd;anot to A    Coo     00W 000                 00             Ot             000             A           WA               f~t             WA       Tafnfttfla.am~t       Et.a-tfTOt                           T AdAAOTf~n       0 f0                 00               00'             AtO              A           WO         ~         t           WA JTCTAOU N-aE -
Attachment 2 to L-06-163 Page 7 Safety C -Indication 2 BEAVER VALLEY UNIT R WELD OVERLAY PRESSURIZER SAFETY NOZZLE C INIDICATION P EVALUATED AT 0* PROFILE INDICATION Attachment 2 to L-06-163 Page 8 Relief- Indication 1 R4.26 Beaver Valley Unit 2 PORV Nozzle 1800 Profile Attachment 2 to L-06-163 Page 9 Sorav. Pre-Renair
A~fEAtA (r   .- )     on     nt to ooaon Tan~ O~f-On~tnonU~ofoATOC           CA           C0       oo~N.o~
-Indications 1 & 2 BEAVER SPRAY VALLEY 2 NFIZZLE INDICATION 1 (0-)8 INDICATION IA (45*)EVALUATED AT 180&deg; PROFILE INDICATION 2 (0&deg;)INDICATION 2A (45&deg;)EVALUATED AT 270&deg; PROFILE Attachment 2 to L-06-163 Page 10 Spray, Pre-Repair  
0O1.000                                                             -AannnaAa(1-W-1                           -   1 onanozaooa Otonat tan 535"                               0295"                           *q/A          NYA                                   ."A     OAEt0O                                     N:A         YES
-Indications 3 & 4 BEAVER SPRAY VALLEY 2 NOZZLE INDICATION 3 (0&deg;)INDICATION 3A (45&deg;)EVALUATED AT 870&deg; PROFILE INDICATIONS 4 (0)INDICATION 4A (45&deg;)EVALUATED AT 270&deg; PROFILE Attachment 2 to L-06-163 Page I I Spray, Post-Repair-Indication I Measured Length on OD Surface for Ind. #1A = 3.8" Attachment 2 to L-06-163 Page 12 Sprav. Post-ReDair
 
-Indication 2 Measured Length on 00 Surface for nd. #2A = 1.3" Attachment 2 to L-06-163 Page 13 Spray, Post-Repair  
Attachment I t. L4-6-163                                                                                                             Tf . e I lndication, for B....rV,1ev Unit 2 Presurizer Weld O-'ela" Page 2
-Indication 3 Measured Length on 00 Surface for Ind. #3A = 1.95" Attachment 2 to L-06-163 Page 14 Surge, Pre-Repair
                                                                                                                                                                                                                                                                                    -LUDWI P   O ER  0AU                                                   INDICATIONDISPOSITION                                                  REP" 0EPTC                       FROM OUTSIDE LAENOF              OF c rcu,. -       N0                                 0 0E
-Indication 1 BEAVER:SURGE VALLEY NOIZZLE 2 INDICATION I EVALUATED AT G' PROFILE Attachment 2 to L-06-163 Page 15 Surge, Pre-Repair
                    -  NEVS                                                                  040
-Indications 2 & 3 BEAVER VALLEY SURGE NOZZLE INDICATIONS 2 & 3 EVALUATED AT 270' PROFILE p 5.10 1.1 -1420-1"t-..m=7IDAt~ VOLi .09rmM I Attachment 2 to L-06-163 Page 16 Surge, Post-Repair
                                                                                              -   NFROM OF MCEOS R N       HOTOF       O       O0     -   OF1AREC In  N0 I-oE.
-Indication 1
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4 Attachment 2 to L-06-163 Page 17 Surge, Post-Repair
                                                                                                                                              =N    0,                  -1     B4-31*    .10% RedducionI.     IF05N.R IW8314-,         R,115614-     P-o   tion in   I ~B*4Ev-l.to, EImin-TloN       EC.-,IOO       underlying0.0l             11 0f         0040           0531"         444         5355           040"           44 "           lIS"           NMA           NIA               N/A               N/       CO* Satly000pbr)Otee 500   m*    I/ISI04     0NA             YSN 40421.0 000000    04000           40000       40040       440400         4No00           0000             No044       NIX           NIX               NIX               0A         E.- NIX-.          NIA         lot  NIA       Il    01 A.~ un 0000 No   N rNo      .N                 NX NIIX:E NItIX1                            0
-Indications 2A & 2B DEAVER VALLEY 2 SURGE NOZZLE INDICATIONS 2A & 2B EVALUATED AT 270 PROFILE 7 SURGL e7U&deg;}}
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L-~~*o                                                    68                                                               It4 1 A-El        Te ACEPTA-E 0".6"                                                                                 o&#xfd;                               N -dK:
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AuTOhmonlI to L-06-163                                                                                                     Tnble I Pqge 3                                                                                         hndi-ttio-n, o B,,,-,, Val1ey Unit 2 Presurizer Weld O-erly, IN .- ION INDICATIONDISPOSITION                                                    R-AIR D*FROM -*E  -*  OF    INPO=ONFOFM CIRCusI. P&#xfd;NRQ                       CGOAVA                                                                                                                              E-TF   tOFA N
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Attachen t I . I,-OY-163                                                                                                    Table I Poge 5                                                                                            Indicotion. for B_  r Valley Unit 2 Presrizero Weld Oerrlas NOaNo  REMARFS WnCLUOD INDICATIONDISPOSITION                                    M_:,0 00 04001.04000 0 000.0004 4.000o 0400401100 t'rEe 0.-.- FROM 00110C0    0I  OF E
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                        .220 -
to L-06-163 Page 2 Safety A - Indication 1 (Cont'd)
Measurd OD Surface Length, Ind. #1 = 0.9" to L-06-163 Page 3 Safety A - Indication 2 (Removed during Repair)
                                                - Measured OD Surface Length Ind. #2 = 1.2" to L-06-163 Page 4 Safety A - Indication 2 (Removed during Repair) to L-06-163 Page 5 Safety A - Indication 2 (Removed during Repair)
BEAVER      VALLEY SAFETY      NOZZLE INDICATIONS  2E & 2F EVALUATED AT  0&deg; PROFILE
                                                        . ......
                                                            .....
                                                            .
Z to L-06-163 Page 6 Safety C - Indication 1 BEAVER VALLEY UNIT 2 WELD OVERLAY PRESSURIZER SAFETY NOZZLE C INDICATION 1 EVALUATED AT 900 PROFILE I
INDICATION to L-06-163 Page 7 Safety C - Indication 2 BEAVER VALLEY UNIT R WELD OVERLAY PRESSURIZER SAFETY NOZZLE     C INIDICATION  P EVALUATED AT 0*    PROFILE INDICATION to L-06-163 Page 8 Relief- Indication 1 R4.26 Beaver Valley Unit 2 PORV Nozzle 1800 Profile to L-06-163 Page 9 Sorav. Pre-Renair - Indications 1 & 2 BEAVER VALLEY 2 SPRAY NFIZZLE INDICATION 1 (0-)
8 INDICATION IA (45*)
EVALUATED AT 180&deg; PROFILE INDICATION 2 (0&deg;)
INDICATION 2A (45&deg;)
EVALUATED AT 270&deg;PROFILE to L-06-163 Page 10 Spray, Pre-Repair - Indications 3 & 4 BEAVER VALLEY 2 SPRAY NOZZLE INDICATION 3 (0&deg;)
INDICATION 3A (45&deg;)
EVALUATED AT 870&deg; PROFILE INDICATIONS 4 (0)
INDICATION 4A (45&deg;)
EVALUATED AT 270&deg; PROFILE to L-06-163 Page I I Spray, Post-Repair- Indication I Measured Length on OD Surface for Ind. #1A = 3.8" to L-06-163 Page 12 Sprav. Post-ReDair - Indication 2 Measured Length on 00 Surface for nd. #2A = 1.3" to L-06-163 Page 13 Spray, Post-Repair - Indication 3 Measured Length on00 Surface for Ind. #3A = 1.95" to L-06-163 Page 14 Surge, Pre-Repair - Indication 1 BEAVER
:SURGE VALLEY          2 NOIZZLE INDICATION I EVALUATED AT G' PROFILE to L-06-163 Page 15 Surge, Pre-Repair - Indications 2 & 3 BEAVER VALLEY p SURGE NOZZLE INDICATIONS 2 & 3 EVALUATED AT 270' PROFILE   1.1 -
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4  to L-06-163 Page 17 Surge, Post-Repair - Indications 2A & 2B DEAVER VALLEY           2 SURGE NOZZLE INDICATIONS 2A & 2B EVALUATED AT 270 PROFILE 7
SURGL e7U&deg;}}

Revision as of 12:48, 23 November 2019

Pressurizer Weld Overlay Examination Report
ML063310045
Person / Time
Site: Beaver Valley
Issue date: 11/20/2006
From: Lash J
FirstEnergy Nuclear Operating Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
L-06-163
Download: ML063310045 (25)
v • d • e


Text

FENOC FirstEnergyNuclear OperatingCompany James H. Lash 724-682-5234 Site Vice President Fax: 724-643-8069 November 20, 2006 L-06-163 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001

Subject:

Beaver Valley Power Station, Unit No. 2 Docket No. 50-412, License No. NPF-73 Pressurizer Weld Overlay Examination Report By letter dated March 31, 2006 (L-06-038) and supplemented by letters dated August 8, 2006 (L-06-123), September 27, 2006 (L-06-142), and October 5, 2006 (L-06-146), the FirstEnergy Nuclear Operating Company (FENOC) requested Nuclear Regulatory Commission (NRC) approval of a proposed alternative to American Society of Mechanical Engineers (ASME) Code Section XI requirements, in support of weld overlay repairs for Beaver Valley Power Station (BVPS) Unit No. 2 pressurizer nozzles. The NRC provided verbal authorization to perform the weld overlay repairs during a teleconference on October 5, 2006.

During the Beaver Valley Unit No. 2 2R12 Refueling Outage, FENOC completed the planned pressurizer structural weld overlay workscope, which included the application of full structural weld overlays to the pressurizer spray nozzle, relief (PORV) nozzle, three safety nozzles, and

.,surge nozzle. The final weld overlay ultrasonic examinations were completed on November 6, 2006.

Attachment 1, "Indications for Beaver Valley Unit 2 Pressurizer Weld Overlays", provides detailed results of the initial ultrasonic inspections performed on the pressurizer nozzles. The initial inspection results for locations that were subsequently repaired are noted as "Pre-Repair".

The following is a summary of the results:

Weld Identifications Number of Indications Nozzle (DM/SS) Initial PDI Inspection Indication Assessment Summary Safety A 2RCS*PRE21-103C / I Laminar Indication and I The laminar indication was acceptable, the 2RCS-103-F01 Planar planar indication was unacceptable and was removed in a repair excavation.

Safety B 2RCS*PRE21-102B / No Recordable Indications N/A 2RCS-102-FOI Safety C 2RCS*PRE21-101A / 2 Laminar Indications The two laminar indications were acceptable. No 2RCS-101-FOI Repair performed.

PORV 2RCS*PRE21-107Z / I Laminar Indication The single laminar indication was acceptable. No 2RCS-107-FO1 Repair performed.

Beaver Valley Power Station, Unit No. 2 Pressurizer Weld Overlay Examination Report L-06-163 Page 2 Weld Identifictationis Number of Indications Nozzle (DIN.l/SS) Initial PDI Inspection Indication Assessment Summnary Spray 2RCSIPRE21-202Z 1 4 Laminar Indications Tlhc four laminar indications were acceptable.

2RCS-202-FOI Repair was performed in the area of indications to correct a heat input issue, Surge 2RCS*PRE21-84Z/ 3 Laminar Indications Single indication (42) and combined indications 2RCS-84-F03 (42 & #3) exceed 7.5 sq. in. area and were unacceptable andrequired repair.

As noted in the summary table above, weld repairs were performed on the Safety A, Spray, and Surge nozzle. overlays. (Note that the indications in the spray nozzle were acceptable but fell within the repair area needed to correct a heat input discrepancy).

Attachment I also provides detailed results of the final ultrasonic inspections performed on the pressurizer Safety A, Spray, and Surge nozzles following repair and are noted as "Post-Repair".

The following is a summary of the post-repair results:

Weld Identifications Number of Indications Nozzle (DM/SS) Post Repair Inspection Indication Assessment Summary Safety A 2RCS*PRE21-103C/ No Recordable Indications in Only Original Indication I & Ia not located in 2RCS-103-FOI repair area repair area exist. No recordable indications in the repair area.

Spray 2RCS*PRE21I202Z/ 3 Laminar Indications The three laminar indications were acceptable.

2RCS-202-FO I Surge 2RCS*PRE21-84Z/ No Recordable Indications in Original Indication #1 and parts of Indication 9 2 2RCS-84-F03 repair area (2a and 2b) still exist. Indication #3 located in repair area was removed. Remaining indications (Indicatioi NI and parts of Indication #2) were acceotable. contains cross-sectional sketches showing the location and orientation of all indications, pre- and post-repair.

There are no regulatory commitments in this letter. If there are any questions or if additional information is required, please contact Mr. Gregory A. Dunn, Manager FENOC Fleet Licensing at (330) 315-7243.

Sincerely, H. Lash

Beaver Valley Power Station, Unit No. 2 Pressurizer Weld Overlay Examination Report L-06-163 Page 3 Attachments:

1. Indications for Beaver Valley Unit 2 Pressurizer Weld Overlays.
2. Nozzle Weld Repair Areas.

cc: Mr. T. G. Colbum, NRR Senior Project Manager Mr. P. C. Cataldo, NRC Senior Resident Inspector Mr. S. J. Collins, NRC Region I Administrator Mr. D. A. Allard, Director BRP/DEP Mr. L. E. Ryan (BRP/DEP)

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.220 -

to L-06-163 Page 2 Safety A - Indication 1 (Cont'd)

Measurd OD Surface Length, Ind. #1 = 0.9" to L-06-163 Page 3 Safety A - Indication 2 (Removed during Repair)

- Measured OD Surface Length Ind. #2 = 1.2" to L-06-163 Page 4 Safety A - Indication 2 (Removed during Repair) to L-06-163 Page 5 Safety A - Indication 2 (Removed during Repair)

BEAVER VALLEY SAFETY NOZZLE INDICATIONS 2E & 2F EVALUATED AT 0° PROFILE

. ......

.....

.

Z to L-06-163 Page 6 Safety C - Indication 1 BEAVER VALLEY UNIT 2 WELD OVERLAY PRESSURIZER SAFETY NOZZLE C INDICATION 1 EVALUATED AT 900 PROFILE I

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8 INDICATION IA (45*)

EVALUATED AT 180° PROFILE INDICATION 2 (0°)

INDICATION 2A (45°)

EVALUATED AT 270°PROFILE to L-06-163 Page 10 Spray, Pre-Repair - Indications 3 & 4 BEAVER VALLEY 2 SPRAY NOZZLE INDICATION 3 (0°)

INDICATION 3A (45°)

EVALUATED AT 870° PROFILE INDICATIONS 4 (0)

INDICATION 4A (45°)

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SURGE VALLEY 2 NOIZZLE INDICATION I EVALUATED AT G' PROFILE to L-06-163 Page 15 Surge, Pre-Repair - Indications 2 & 3 BEAVER VALLEY p SURGE NOZZLE INDICATIONS 2 & 3 EVALUATED AT 270' PROFILE 1.1 -

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4 to L-06-163 Page 17 Surge, Post-Repair - Indications 2A & 2B DEAVER VALLEY 2 SURGE NOZZLE INDICATIONS 2A & 2B EVALUATED AT 270 PROFILE 7

SURGL e7U°

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