ML20127N209

Forwards SER Re NUREG/CR-3511, Interim Reliability Evaluation Program:Analysis of Calvert Cliffs Unit 1 Nuclear Power Plant

ML20127N209
Person / Time
Site:	Calvert Cliffs
Issue date:	05/09/1985
From:	John Miller Office of Nuclear Reactor Regulation
To:	Lundvall A BALTIMORE GAS & ELECTRIC CO.
Shared Package
ML20127N213	List: ML20127N209 ML20127N235
References
RTR-NUREG-CR-3511 NUDOCS 8505230468
Download: ML20127N209 (2)

Text

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May 9, 1985

[L O Docket No. 50-317 i

Mr. A. E. Lundvall, Jr.

Vice President - Supply Baltimore Gas and Electric Company P. O. Box 1475 Baltimore, Maryland 21203

SUBJECT:

INTERIM RELIABILITY EVALUATION PROGRAM (IREP) REPORT FOR CALVERT CLIFFS UNIT 1 We have completed our review of the report entitled " Interim Reliability Evaluation Program: Analysis of Calvert Cliffs Unit 1 Nuclear Power Plant,"

NUREG/CR-3511, August 1984. This. report was Sandia National Laboratories, in order to (1) prepared identify those by our consultant, accident sequences which can be expected to dominate the risk related to the operation '

of Calvert Cliffs Unit 1, and (2) develop system models that can be used for future, more extensive, probabilistic risk assessment of Calvert Cliffs Unit 1.

The enclosed Safety Evaluation reflects our review of NUREG/CR-3511 and your conenents which we received by your letter dated March 26, 1985. In this regard, we thank you for your assistance in the preparation and review of the IREP study.

/S/

James R. Miller, Chief Operating Reactors Branch #3 Division of Licensing

Enclosure:

Safety Evaluatior.

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). Mr. A.' E. Lundvall. Jr.

Baltimore. Gas & Electric Company Calvert Cliffs Nuclear Power Plant h

Mr. William T. Bowen,~ President .Mr. R. M. Douglass, Manager Calvert County Board of Quality Assurance Department Commissioners Baltimore Gas and Electric Company Prince Frederick, Maryland 20768 Fort Smallwood Road Complex P. O. Box 1475 Baltimore, Maryland 21203 D. A.'Brune, Esquire

' General Counsel Regional Administrator L Baltimore Gas and Electric Company USNRC, Region I

'P. 0. Box'1475 Office of Executive Director Baltimore, Maryland 21203 for Operations 631 Park Avenue

' George F. Trowbridge, Esquire - King of Prussia,'Pennysivania 19406 4

Shaw, Pittman, Potts and Trowbridge 1800 M Street, NW Mr. Charles B. Brinkman l- Washington, DC 20036 Manager - Nuclear Operations

Combustion Engineering, Inc.

Mr. R. C. L. Olson, Principal Engineer 7910 Woodmont Avenue i Nuclear Licensing Analysis Unit Bethesda, Maryland 20814 Baltimore Gas and Electric Company Room 922 - G&E Building Mr. J. A. Tiernan, Manager P. O. Box 1475 Nuclear Power Department

. -Baltimore, Maryland 21203 Calvert Cliffs Nuclear Power Plant Maryland Routes 2 and 4 Mr. T. Foley Lusby, Maryland 20657 i

Resident Reactor Inspector

,. NRC Inspection and Enforcement Mr. R. E. Denton, General Supervisor P. O. Box 437 Training and Technical Services

Lusby, Maryland 20657 Calvert Cliffs Nuclear Power Plant Maryland Routes 2 and 4

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Mr. Leon B. Russell Lusby, Maryland 20657 Plant Superintendent ~

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-Calvert Cliffs Nuclear Power Plant Combustion Engineering, Inc.

Maryland Routes 2 and 4 ATTN: Mr. R. R. Mills, Manager

' Lusby, Maryland 20657 Engineering Services

! P. O. Box 500

Bechtel Power Corporation Windsor, Connecticut 06095 L ATTN: Mr. J. C. Ventur Calvert Cliffs Project Engineer Department of Natural Resources i 15740 Shady Grove Road Energy Administration, Power Plant Gaithersburg, Maryland 20877 Siting Program Attn: Mr. T. Magette Tawes State Office Building

Annapolis, Maryland 21204

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