ML20097A736

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Forwards Seismic Reanalysis of Liquid Poison Sys Piping & Seismic Reanalysis of Core Spray Sys Piping. Both Sys Acceptable Per ASME Code,Section III Requirements
ML20097A736
Person / Time
Site: Oyster Creek
Issue date: 09/04/1984
From: Fiedler P
GENERAL PUBLIC UTILITIES CORP.
To: Crutchfield D
Office of Nuclear Reactor Regulation
Shared Package
ML20097A738 List:
References
NUDOCS 8409130363
Download: ML20097A736 (2)


Text

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GPU Nuclear Corporation

@ElM7 100 lnterpace Parkway Parsippany, New Jersey 07054-1149 (201)263-6500 TELEX 136-482 Writer's Direct Dial Number:

September 4,1984 Mr. Den'nis M. Crutchfield, Chief Operating Reactors Branch #5 U.S. Nuclear Regulatory Commission Washington, D. C. 20555

Dear Sir:

Subject:

Oyster Creek Nuclear Generating Station Docket No. 50-219 SEP Topic No. III-6, Seismic Design Considerations, Reanalyses of Liquid Poison System and Core Spray System Piping During the integrated assessment of SEP topics, the NRC staff requested that GPU Nuclear perform seismic analyses of two randomly selected safety related small diameter piping systems to demonstrate the adequacy of the original piping and piping support design.

GPU Nuclear selected liquid poison system piping inside containment and core spray system piping outside containment for the reanalysis. The reanalysis of both piping systems were performed in accordance with the requirements of the 1980 Edition (including Summer 1981 Addenda) of the ASME Code,Section III. The 1980 Edition of the ASME Code was used since the equations required for evaluation by this Code are available using an up-to-date computer program, PIPESD.

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The results of the evaluation indicate that both liquid poison system and core spray system piping meet the seismic stress analysis requirements of the 1980 Edition (including Summer 1981 Addenda) of the ASME Code,Section III.

8409130363 840904 PDR ADOCK 05000219 PDF:

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.jd GPU Nuclear Corporation is a subsidiary of General Public Utihties Corporation 7

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s The results and the evaluation of these piping systems are provided in the attached reports, MPR-777 and MPR-780.

Very truly yours, p A Jb, ,

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er ice President and Director Oyster Creek m/0240e.

cc: -Administrator Region I U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pa 19406 NRC Resident Inspector Oyster Creek Nuclear Generating Station 1 Forked River, NJ 08731 l

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