ML19324B313

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Responds to Generic Ltr 88-20,Suppl 1, Initiation of Individual Plant Exam for Severe Accident Vulnerabilities. Individual Plant Exam Initiated on 890701 & Results Expected to Be Submitted by Sept 1992
ML19324B313
Person / Time
Site: Clinton Constellation icon.png
Issue date: 10/27/1989
From: Holtzscher D
ILLINOIS POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-88-20, U-601549, NUDOCS 8911060034
Download: ML19324B313 (2)


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46 U.601549 i

L30 89(10 27).LP

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80.120 l lil/N0/8 POWER COMPANY \

IP CLINToN Powin $1AtsoN, P.O. BOX 678. CLINToN, ILUNoIS 61777 October 27, 1989 i

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Docket No. 50 461 U.S. Nuclear Regulatory Commission  !

Document Control Desk {

Washington, D.C. 20555

Subject:

Clinton Power Station Resnonce to Generie latter 88 20 Sunnlement 1 I

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Dear Sir:

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Thh, letter is in response to Generic Letter (GL) 88 20 Supplement ,

1. " Initiation of the Individual Plant Examination for Severe Accident Vulnerabilities". The Clinton Power Station (CPS) Individual Plant. '!

Examination (IPE) will be performed using a Level I Probabilistic Risk l Assessment (PRA) which will conform to the guidelines provided in NUREG l CR.2300. The containment performance analysis will follow the guidance of Appendix A to NUREG 1335. The IPE will consider generic and plant j specific initiating events,. including internal flooding. l l

The PRA will be performed by IP personnel with the Individual (

Plant Evaluation Partnership (IPEP) acting as a consultant to provide j guidance and assistance. The IPEP is a consortius of TENERA, L.P.,

t Westinghouse Electric Corporation: snd Faucke e.nd Associates  !

" Incorporated.

The independent review specified by CL 88 20 vill be conducted by a combination of senior IP personnel and consultant PRA practitioners as i

allowed by Appendix C to NUREO.1335, i

The CPS IPE was initiated on July 1,1989, and the results are

  • expected to be submitted to the Nuclear Regulatory Commission (NRC) by September 1992. The initial sequence quantification of the front end ,

portion of the IPE is expected to be complete in early 1991, and the '

containment analysis portion of the IPE is expected to start about the same time.

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8911060034 691027 i

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IP's IPE submittal to the NRC will -in general, be in the form 'I 1..s.

specified'in NUREC 1335.

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Sincerely yours. l 3W/. L  !

D. L. Holtascher Acting Manager . l Licensing and Safety REL/kra [

f a cc: NRC Clinton Licensing Project Manager l NRC Resident Office ,

Regional Administrator, Region III USNRC l Illinois Department of Nuclear Safety 'i Nuclear Management and Resources Council  :

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