ML20211D169

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Review of Seabrook PRA, Monthly Mgt Ltr 11 for Mar 1985
ML20211D169
Person / Time
Site: Seabrook  NextEra Energy icon.png
Issue date: 05/01/1985
From: Cummings G, Ariuska Garcia
LAWRENCE LIVERMORE NATIONAL LABORATORY
To: Davis S
Office of Nuclear Reactor Regulation
Shared Package
ML20209C800 List:
References
CON-FIN-A-0801, CON-FIN-A-801, FOIA-87-6 RARE-85-084, RARE-85-84, NUDOCS 8702200341
Download: ML20211D169 (5)


Text

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Lawrence Livermore National Laboratory NUCLEAR SYSTEMS SAFETY PROGRAM RARE 85-084 May 1, 1985 Ms. Sarah M. Davis Reliability and Risk Assessment Branch Division of Safety Technology U.S. Nuclear Regulatory Commission Washington, D.C.

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SUBJECT:

Monthly Management Letter #11 Month of March 1985 NRC FIN-A0801 Review of the Seabrook Probabilistic Risk Assessment

Dear Ms. Davis:

1. Project Description and Objective The Office of Nuclear Reactor Regulation is conducting a probabilistic risk assessment (PRA) review program in which PRAs performed and submitted to the NRC by license applicants and licensees receive comprehensive review and evaluation. The program is the responsibility of the Reliability and Risk Assessment Branch (RRAB).

A PRA of the Seabrook Nuclear Power Plant (Seabrook PRA) has been submitted to the NRC by Public Service Company of New Hampshire, an operating license (OL) applicant. The review of this document, whose title is "Seabrook Station Protabilistic Safety Assessment," is being performed as one project in the larger NRC program.

The objective of this project is to perform an expeditious and cost effective review of those aspects of the Seabrook PRA leading to the estimates of the frequencies of each plant damage state and the associated uncertainty spread to determine the accuracy of these estimates. The review will cover method-ology, assumptions, data, information sources, models, plant understanding, completeness of the analysis and other areas where inconsistencies may arise which could affect the quantitative or qualitative results.

2. Progress for Period None. Work on the project has been essentially stopped since completion of the draft report, pending an NRC decision on project direction. In addition, a "Stop Work Order" was received from NRC during the month because of lack of utility participation and support.
3. Work to be Accomplished Next Month

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RARE 85-084 May 1, 1985

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4. List of Subcontractors and Consultants
a. Subcontractors (1)

Applied Risk Technology Corporation (ARTECH); P. J. Amico (2)

Jack R. Benjamin and Associates, Inc. (JBA); J. W. Reed, M. W.

McCann, Jr.

b. Consultants (1)

P. R. Davis

5. Concerns The accumulation of outstanding charges that have entered the accounting system have increased the total expenditures for the project to $170.5K.

As shown in Attachment A, this exceeds the total funds available, including the S40K funding increment requested in Monthly Management Letter #8 (for December 1984) by approximately $10K.

We therefore request an immediate increment of funding in the amount of

$10K to close out this contract.

6. Other The S40K funding increment requested in Monthly Management Letter #8 was provided with the Stop Work Order and is reflected in Attachment A.

aA W Abel A. Garcia Principal Investigator

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Carth E. Cusanings

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Program Leader Nuclear Systems Safety Program sr jlp

PARE 85-084

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Enclosures (2)

Distribution:

NRC DOE LLNL R. Frahm, DST W. J. Gallagher G. E. Cummings J. Halvorsen, DST J. M. Johnso F. Rowsome, DST C. A. Meier L. Solander, NRR A. C. Thadani, DST t

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RARE 85-084 May 1, 1985 b

ATTACllMEN'i /.

ESTIMATED PF:OJECT FINANCIAL STATUE:*

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(Figures given in thousands.)

FIN A0801 Summary Cost Analysic:-

Mar-8S Year to Date 1

Direct Staff Effor* ' F T E * :- >

0.0 1 ~ --

Dir+ct Lar :-

Co.+ts 0.0 4.-

Material Service.2 0.0 i.'._

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Cubccntracts 6.2 5'~.,

Travel E::F e -: -:

0.0 L'. 2 Inri: e:i L b, L : r Corte 0.0 42.5 Ct hu < E e :t.: r 2 >

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forcentare cf Available Fundt 105%

III Fundint S t t, u :

Prior Year FY 19r5 Projected FY 1965 Funds FY 1985 Fundir$r Carryover Fundint Level Rec'd to Date Dal. Needea 121.o 161.9 40.0 0

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RARE 85-084 May 1, 1985 ATTACHMENT B FEE RECOVERY COST STATUS FIN:

A0801 TITLE:

Review of the Probabilistic Risk Assessment for the Seabrook I

Nuclear Power Plant PERIOD: March 1985 Docket Costs Facility Name Number Period Cumulative Seabrook 50-443

$ 9.9K

$171K Common Costs 50-900

$ 0.0 0

Total Expenses S 9.9K

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