ML20128P892

Review of PRA for Shoreham Nuclear Power Plant, Monthly Highlights for Feb 1984

ML20128P892
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	02/29/1984
From:	Kato W BROOKHAVEN NATIONAL LABORATORY
To:	Thadani A, Thandani A Office of Nuclear Reactor Regulation
Shared Package
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References
CON-FIN-A-3366, CON-FIN-A-3740, FOIA-85-199 NUDOCS 8507130330
Download: ML20128P892 (5)

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BROOKHAVEN NATIONAL LABORATORY g..

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ASSOCIATED UNIVERSITIES. INC.

u edu Upton, Long Island. New York 11973 i.

(516) 282s2444 Depcriment of Nuclect Energy FTS 666' F

March 16, 1984 Dr. A. C. Thadani, Chief Reliability and Risk Assessment Branch Division of Safety Technology Office of Nuclear Reactor Regulation Mail Stop P-216 U. S. Nuclear Regulatory Commission Washington, D. C.

2.0555

Dear Dr. Thadani:

Enclosed is the February monthly report for the activities sponsored by your Branch. Also included are the computerized budget summaries and the fee recovery cost status for each program requiring it.

I would suggest that you and your staff review the reports to determine whether there are any dis-crepancies.

If there are, please notify the principal investigator.

Note that the funds allocated for FIN A-3366 are nearly spent and that the NRC program office was informed of this March 15, 1984 as required by revised Manual Chapter 1102, dated September 24, 1982. Please send the balance of expected funds so that the level of effort may continue without interruption.

We hope this meets with your approval.

If there are any questions re-i garding format, distribution, or budget reporting, please contact Mr. A. J.

I Weiss, Administrative Technical Assistant, FTS 666-4473.

Sincerely yours, 1

/

WYK/jw Walter Kato Enclosures Depu hairman cc:

R. A. Bari, BNL F. Coffman, NRC D. J. Corley, NRC R. Frahm, NRC R. E. Hall, BNL F. Rowsome, NRC J. Veillette, NRC l

A. J. Weiss, BNL NRC Technical Monitors BNL Technical Monitor FO 8507130330 850426 PDR FOIA 1

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Division of Safety Technology - NRR February 1984 Total Projected Funds Obligated Balance of Funds ($K)

FIN No.

Project Cost (SK)

To Date (SK)

FY 1984 FY 1985 FY 1986 A-3366 436 330 81 25 A-3725 1000 650 350 A-3728 330 230 90 10 A-3740 270 170 100 A-3758 405 375 0

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MONTHLY HIGHLIGHTS FOR FEBRUARY 1984

" Review of the Probabilistic Risk Assessment for the Shoreham Nuclear Power Plant"

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4 (FINA-3740) f BNL Principal Investigator:

I. A. Papazoglou (FTS 666-2435) ii NRC Program Manager:

A. Thadani, Reliability and Risk Assessment

'i Branch NRC Technical Monitor:

Ed Chow, Reliability and Risk Assessment Branch 1.

Scope / Purpose The purpose of this project is to review those aspects of the Shoreham PRA leading to the estimates of the frequencies of the accident sequences re-sulting in a " core vulnerable" state and to determine the accuracy of these i

estimates.

2.

Schedule / Milestones A letter of the findings will be submitted to NRC at the completion of each task according to the following schedule.

Task 1: Draft Report 4/15/84

,.i Task 2: Questions to the Applicant 11/31/83 Task 3: Final Report Two months after receiving final

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comments by NRC and licensee.

3.

Progress to Date The review and modification of support system event trees continued. The

<U system fault trees received from LILC0 (on magnetic tape) have been loaded to the BNL computer system. The review of the internal flood event trees was initiated. A list of alarm-response procedures required for the review i

of the internal flood event has been requested from LILC0 by phone. A

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meeting with LILCO personnel on the internal flood event trees has been scheduled for March 8,1984.

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Problems and Delays 1

None.

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Next Reporting Period

-The development of core damage fault trees will be contir.ued. Quantitative evaluation usir.g the core damage trees will be initiated. Review of the internal flood will be completed.

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CuRN r.0 1::.X P YTL EXPENSE

,:. i UND6 MLL D DIRECT SHLARIES 14,915.

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1,uY4 INDIRECi dstARIES 2,4ub.

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4 OVEl< HEAD 7,741.

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i TOTAL 25,863.

106,466.

u8 FUNbS RECEIVED 15d,419.

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