ML19209A082

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Responds to IE Bulletin 79-03.Since Fabricator Research Will Not Be Complete Until Late Sept,Response Will Be Delayed Until Oct 1979 Re SA-312 Type 304 Stainless Steel Pipe
ML19209A082
Person / Time
Site: Byron, Braidwood  Constellation icon.png
Issue date: 09/05/1979
From: Peoples D
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 7910020209
Download: ML19209A082 (2)


Text

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T/C Commonwealth Edison Cne first Nabonal Plaza. Ctucago ilknors Address Reply to: Post Office Box 767 Chicago. Illinois 60690 September 5, 1979 Mr. James G. Keppler, Director Qirectorate of Inspection and

' Enforcement - Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Subject:

Byron Station Units 1 and 2 Braidwood Station Units 1 and 2 Response to I.E.Bulletin 79-03

" Longitudinal Weld Defects in ASME SA-312 Type 304 Stainless Steel Pipe Spools Manufactured by Youngstown Welding and Engineering Company" NRC Docket Nos. 50-454, 50-455 50-456 and 50-457 References (a): March 1 , 1979 letter from J. G.

Keppler to B. Lee, Jr. transmitting I.E. Bullatin No. 79-03 (b) : August 10, 1979 letter from C. Reed to J. G. Keppler concerning I.E.

Pulletin No. 79-03

Dear Mr. Keppler:

Reference (a) transmitted I.E. Bulletin 79-03 which requested information concerning the use of certain stainless steel pipe spools manufactured by Youngstown Welding and Engineer-ing Company. Per Reference (b) Commonwealth Edison Company indicated that unforeseen delays in initiating the fabricator's record review and the complexity of the review required additional time to complete the action of the Bulletin. In addition, Commonwealth Edison commit-ted to submitting a current status of findings and also a projected completion date by September 7, 1979.

Currently, Commonwealth Edison's fabricator, Southwest Fabricating, has estimated that their record search including a complete list of all spools containing any SA-312 Type 304 Stainless 791 002 0 2 OT H36 027 gg

' NRC Docket Nos. 50-454, 50-455 Commonwealth Edison 50-456 and 50-457 Mr. James G. Keppler September 5, 1979 Jceel pipe manufactured by Youngstcwn Welding and Engineering will be completed by late September 1979. Upon receipt of the fabrica-tor's completed list, Commonwealth Edison will require additional time to review the list to determine whether all pipe or a repre-sentative samp.2 will be volumetrically examined and to prepare a procedure for this examination. Thus, a complete response to this Bulletin is now anticipated for mid to 1Lue October 1979.

Please address any questions that you may have concern-iag this matter to this office.

Very truly yours,

,( b' D. L. Peoples Director of N"21 ear Licensing cc: NRC Office of Inspection and Enforcement - Division of Reactor Construction Inspection 1136 028

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