ML20029C592

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Forwards PRA for Changes to TS 3.7.4 Proposed in Naesc LAR 93-02 Re Svc Water Sys/Ultimate Heat Sink Operability Requirements
ML20029C592
Person / Time
Site: Seabrook 
Issue date: 02/24/1994
From: Feigenbaum T
NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20029C581 List:
References
NYN-94020, NUDOCS 9404070264
Download: ML20029C592 (3)


Text

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P-Seabr k NH 03874 Telephone (603)474-9521 Facsimile (603)474-2987 Energy Service Corporation Ted C. Feigenbaum I

Senior Vice President and Chief Nuclear Officer l

NYN-94020 February 24,1994 United States Nuclear Regulatory Commission Washington, D.C. 20555 Attention:

Document Control Desk

References:

(a)

Facility Operating License No. NPF-86, Docket No. 50-443 (b)

North Atlantic letter NYN-93052, dated April 7,1993, " License Amendment Request 93-02: Service Water System / Ultimate Heat Sink OPERABILITY Requirements (TAC No. M85750)", T. C. Feigenbaum to USNRC (c)

Teleconference between Mr. A. De Agazio and Mr. J. Wing, USNRC and Mr. J. Peschel, Mr. K. Kiper, and Mr. M. Makowicz, Nonh Atlantic, on January 13,1994

Subject:

License Amendment Request 93-02: Service Water System / Ultimate Heat Sink OPERABILITY Requirements (TAC No. M85750)- Additional Information Gentlemen:

Attached is the Onal Probabilistic Risk Assessment (PRA) for the changes to Technical Specincation 3.7.4 proposed in North Atlantic Energy Service Corporation License Amendment Request 93-02 [ Reference (b)]. This PRA is being provided to facilitate the review of License Amendment Request 93-02 as discussed on January 13,1994 [ Reference (c)].

Appendix B of the PRA contains information extracted from a proprietary maintenance data base that is the property of a vendor (Pickard, Lowe and Garrick, Inc.). Pickard, Lowe and Garrick, Inc, has determined that this extracted information is non-proprietary.

If you have any questions regarding this information, please contact Mr. James M. Peschel, Regulatory Compliance Manager, at (603) 474-9521, extension 3772.

Very t

yours, h

4@v Ted C.genbaum TCF:MJM/act Enclosure C9404070264)940325 PDP-ADOCK 05000443 p

PDR a member of the Northeast Utilities system

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United States Nuclear Regulatory Commission February 24,1994 Attention:

Document Control Desk Page two cc:

Mr. Thomas T Martin Regional Administrator U.S. Nuclear Regulatory Commission llegion I 475 Allendale Road King of Prussia, PA 19406 Mr. Albert W. De Agazio, Sr. Project Manager Project Directorate 1-4 Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Antone C. Cerne NRC Senior Residem Inspector P.O. Box 1149 Seabrook, NH 03874 l

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