ML20037B359

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Requests Mod Design Info Re High Energy Line Break Outside Containment within 30 Days
ML20037B359
Person / Time
Site: Dresden 
Issue date: 09/17/1975
From: Ziemann D
Office of Nuclear Reactor Regulation
To: Abel J
COMMONWEALTH EDISON CO.
References
NUDOCS 8009150631
Download: ML20037B359 (2)


Text

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DISTRIBUTION NRC PDR

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LOCAL PDR Docket ORB Reading KRGoller SEP 171975 TJCarter Branch Chief Project Manager Licensing Assistant Docket

'o, S0-10 Attorney, OELD OI6E, (3)

DEisenhut TBAbernathy, DTIE Co:ronwealth Edison Company ACRS, (16)

ATE:

Mr. J. S. Abel Nuclear Licensing Administrator -

Boiling Water Reactors Post Office Box 767 Chicago, Illinois 60690 Gentlemen:

l RE: High Energy Line Break Analysis for Dresden Station, Unit 1 Our review of your high energy line break report, Special Report #38, l

Revision 1 for Dresden Station, Unit I has progressed to the point that l

core information relative to the modifications indicated in that report is required.

Specifically, the information required is that set forth in items 5 and 6 of the " General Information Required for Consideration of the Effects of a Piping System Break Outside Containment," which was sent to you as an enclosure to our original high energy line break l

1etter, dated Dece:aber 15, 1972.

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It is our understanding that the design of these modifications is essentially complete and that CECO is procuring the necessary materials to complete the modifications during scheduled plant outages.

l You are therefore requested to submit the modification design infor-l nation described above within 30 days of your receipt of this letter.

For those designs which are not complete, please inform us of when the design information can be provided.

One signed original plus thirty-nine additional copies of your reply is required.

Sincerely, Original signe ! by Dennis L. Zirinann Dennis L. Ziemann, Chief Operating Reactors Branch #2 Division of Reactor Licensing cc:

see next page

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SEP 17 B75 cc John W. Rowe, Esquire Isham, Lincoln 6 Beale Counselors at Law i

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