ML19242B114: Difference between revisions

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SNUPPS Standardized Nuclear Unit Power Ptant System 5 Choke Chery Road                                               Nicholas A. Petrick RockviPw, Maryland 20850                                         Executive Director (301)869 8010 June 29, 1979 SLNRC 79-10             r'ILE : 0278.10 SUBJ:   IE Bulletins 78-12, 78-12A, and 78-128: Atypical Weld Material in Reactor Pressure Vessel Welds Mr. Boyce Grier Director, Region I Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406 Docket Nos.:         S7N 50-482, STN 50-483, STN 50-484, STN 50-485, and STN 50-486 Re f. :   Letter, A. E. Scherer (Combustion Engineering Inc.) to H. D.
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SNUPPS Standardized Nuclear Unit Power Ptant System 5 Choke Chery Road Nicholas A. Petrick RockviPw, Maryland 20850 Executive Director (301)869 8010 June 29, 1979 SLNRC 79-10 r'ILE : 0278.10 SUBJ:
IE Bulletins 78-12, 78-12A, and 78-128: Atypical Weld Material in Reactor Pressure Vessel Welds Mr. Boyce Grier Director, Region I Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406 Docket Nos.:
S7N 50-482, STN 50-483, STN 50-484, STN 50-485, and STN 50-486 Re f. :
Letter, A. E. Scherer (Combustion Engineering Inc.) to H. D.
Thornburg (I & E, USNRC), dat.ed June 8, 1979, LD-79-036, I & E Bulletin 78-12, " Atypical Weld Material in Reactor Pressure Vessel Welds"
Thornburg (I & E, USNRC), dat.ed June 8, 1979, LD-79-036, I & E Bulletin 78-12, " Atypical Weld Material in Reactor Pressure Vessel Welds"


==Dear Mr. Grier:==
==Dear Mr. Grier:==
This letter is submitted for the SNUPPS utilities in response ta the subject IE Bulletins.
This letter is submitted for the SNUPPS utilities in response ta the subject IE Bulletins.
The referenced letter forwarded a generic report which contained nost of the information requested by the subject Bulletins. This CE report is applicable to the reactor vessels for the SNUPPS plants.
The referenced letter forwarded a generic report which contained nost of the information requested by the subject Bulletins. This CE report is applicable to the reactor vessels for the SNUPPS plants.
I "aro No. 4 of Bulletin 73-12 requested information concerning the availability of archive weld materials.         CE does not maintain an inven-tory of archive materials for the welds addressed in the generic report.
I "aro No. 4 of Bulletin 73-12 requested information concerning the availability of archive weld materials.
Westinghouse, the SNUPPS NSSS supplier, will develop surveillance weld-ment data which will be documented following completion of the pre-irradi-ation testing program. Westinghouse will inventory archive surveillance weldment material which may           used for verification purposes should excess material remain after ...achining the surveillance weld material specimens from core region weld material.
CE does not maintain an inven-tory of archive materials for the welds addressed in the generic report.
Our review of the CE repor' forwarded by the referer.ced letter disclosed a few apparent errors. CE nas agreed to correct the discrepancies and 519     3IO 7908070 Q (
Westinghouse, the SNUPPS NSSS supplier, will develop surveillance weld-ment data which will be documented following completion of the pre-irradi-ation testing program. Westinghouse will inventory archive surveillance weldment material which may used for verification purposes should excess material remain after...achining the surveillance weld material specimens from core region weld material.
Our review of the CE repor' forwarded by the referer.ced letter disclosed a few apparent errors.
CE nas agreed to correct the discrepancies and 519 3IO 7908070 Q (


SLNRC 79-10                                                   June 29, 1979 Page Two will submit corrected pages to the NRC. After changes to the CE report have been received and reviewed by the SNUPPS utilities and [1SSS supplier, the changes will be referenced in a supplemental response to the rubject Bulletins.
SLNRC 79-10 June 29, 1979 Page Two will submit corrected pages to the NRC.
After changes to the CE report have been received and reviewed by the SNUPPS utilities and [1SSS supplier, the changes will be referenced in a supplemental response to the rubject Bulletins.
Very truly yours, q
Very truly yours, q
Nicholas A. Petrick RLS/dck cc:   Mr. James G. Keppler, Director, Region III, USNRC Mr. Karl V. Seyfrit, Director, Region IV, USi1RC Mi . Victor Stello, Jr., Director, Office of Inspection and Enforcement, USNRC, Washington, D.C.
Nicholas A. Petrick RLS/dck cc:
519     311}}
Mr. James G. Keppler, Director, Region III, USNRC Mr. Karl V. Seyfrit, Director, Region IV, USi1RC Mi. Victor Stello, Jr., Director, Office of Inspection and Enforcement, USNRC, Washington, D.C.
519 311}}

Latest revision as of 13:44, 4 January 2025

Responds to IE Bulletins 78-12,12A & 12B.C-E Submitted Rept Containing Info Requested Re Atypical Weld Matl in Reactor Pressure Vessel Welds.Westinghouse Will Inventory Archive Surveillance Weldment Matl to Be Used for Verification
ML19242B114
Person / Time
Site: Wolf Creek, Callaway, Sterling, 05000484  Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 06/29/1979
From: Petrick N
STANDARDIZED NUCLEAR UNIT POWER PLANT SYSTEM
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
SLNRC-79-10, NUDOCS 7908070526
Download: ML19242B114 (2)


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SNUPPS Standardized Nuclear Unit Power Ptant System 5 Choke Chery Road Nicholas A. Petrick RockviPw, Maryland 20850 Executive Director (301)869 8010 June 29, 1979 SLNRC 79-10 r'ILE : 0278.10 SUBJ:

IE Bulletins 78-12,78-12A, and 78-128: Atypical Weld Material in Reactor Pressure Vessel Welds Mr. Boyce Grier Director, Region I Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406 Docket Nos.:

S7N 50-482, STN 50-483, STN 50-484, STN 50-485, and STN 50-486 Re f. :

Letter, A. E. Scherer (Combustion Engineering Inc.) to H. D.

Thornburg (I & E, USNRC), dat.ed June 8, 1979, LD-79-036, I & E Bulletin 78-12, " Atypical Weld Material in Reactor Pressure Vessel Welds"

Dear Mr. Grier:

This letter is submitted for the SNUPPS utilities in response ta the subject IE Bulletins.

The referenced letter forwarded a generic report which contained nost of the information requested by the subject Bulletins. This CE report is applicable to the reactor vessels for the SNUPPS plants.

I "aro No. 4 of Bulletin 73-12 requested information concerning the availability of archive weld materials.

CE does not maintain an inven-tory of archive materials for the welds addressed in the generic report.

Westinghouse, the SNUPPS NSSS supplier, will develop surveillance weld-ment data which will be documented following completion of the pre-irradi-ation testing program. Westinghouse will inventory archive surveillance weldment material which may used for verification purposes should excess material remain after...achining the surveillance weld material specimens from core region weld material.

Our review of the CE repor' forwarded by the referer.ced letter disclosed a few apparent errors.

CE nas agreed to correct the discrepancies and 519 3IO 7908070 Q (

SLNRC 79-10 June 29, 1979 Page Two will submit corrected pages to the NRC.

After changes to the CE report have been received and reviewed by the SNUPPS utilities and [1SSS supplier, the changes will be referenced in a supplemental response to the rubject Bulletins.

Very truly yours, q

Nicholas A. Petrick RLS/dck cc:

Mr. James G. Keppler, Director, Region III, USNRC Mr. Karl V. Seyfrit, Director, Region IV, USi1RC Mi. Victor Stello, Jr., Director, Office of Inspection and Enforcement, USNRC, Washington, D.C.

519 311