ML20053B123

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Forwards Safety Evaluation & Lll Rept Supporting Adequacy of Station Electrical Distribution Voltages.W/O Lll Rept
ML20053B123
Person / Time
Site: Calvert Cliffs  Constellation icon.png
Issue date: 05/10/1982
From: Clark R
Office of Nuclear Reactor Regulation
To: Lundvall A
BALTIMORE GAS & ELECTRIC CO.
Shared Package
ML20053B124 List:
References
NUDOCS 8205280086
Download: ML20053B123 (2)


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Ucar I:r. Lundvall:

Uc have coupleted our review concerning the.4equacy of station electrical distribution valtages for Calvert Cliffs Units 1 and 2.

This evaluation was conducted to deternine if the onsite electrical distribution system, in conjunction with the offsite power sources, has sufficient capacity to automatically start and operate all Class IE loads within the equip-ment voltage ratings under the worst case starting and load condttions.

Based upon our evaluation of the BGLE sutmittals dated October 8, 1979, June 20, 1980, tiarch 31, 1981, flovember 24, 1981 and !! arch 11, 1982, we conclude that the analyses for Calvert Cliffs demonstrate that adequate voltage will be supplied to the Class IE equipaent under worst case conditions.

Our Safety Evaluation Report and the report froa our consultant, Lawrence Livernore Laboratory, are included herein as Enclosure 1 and 2, respectively.

,le censider the issue of adequacy of station electrical distribution to be resolved for Calvert Cliffs Units 1 and 2.

Sincerely.

Original signed by Robert A. Clark Robert A. Clark, Chief Operating Reactors Branch #3 Division of Licensing

Enclosures:

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B ltimore Gas and Electric Company cc:

James A. Biddison, Jr.

Ms. Mary Harrison, President General Counsel Calvert County Board of County Commissioners Baltirrore Gas and Electric Company Prince Frederick, MD 20768 P. O. Box 1475 Bal tiinore, MD 21203 U. S. Environmental Protection Agency Region III Office George F. Trowbridge, Esquire Attn: Regional Radiation Representative Shaw, Pittman, Potts and Trowbridge Curtis Building (Sixth Floor) 1800 M Street, N. W.

Sixth and Walnut Streets Washington, D. C..20036 Philadelphia, PA 19106 Mr. R. C. L. Olson, Principal Engineer Mr. Ralph E. Architzel Nuclear Licensing Analysis Unit Resident Reactor Inspector Baltimore Gas and Electric Company NRC Inspection and Enforcement Room 922 - G&E Building P. O. Bos 437 P. O. Box 1475 Lusby, MD 20657 Baltimore, MD 21203 Mr. Charles B. Brinkman Mr. Leon B. Russell Manager - Washington Nuclear Operations Plant Superintendent Combustion Engineering, Inc.

Calvert Cliffs Nuclear Power Plant 4853 Cordell Avenue, Suite A-1 Maryland Routes 2 & 4 Bethesda, MD 20014 Lusby, MD 20657 Mr. J. A. Tierman, Manager Bechtel Power Corporation Nuclear Power Department Attn: Mr. J. C. Judd Calvert Cliffs Nuclear Power Plant' Chief Nuclear Engineer Maryland Routes 2 & 4 15740 Shady Grove Road Lusby, MD 20657 Gaithersburg, MD 20760 Mr. W. J. Lippold, Superv.isor Combustion Engineering, Inc.

Nuclear Fuel Management Attn: Mr. P. W. Kruse, Manager Baltimore Gas and Electric Company Engineering Services Calvert Cliffs Nuclear Power Plant P. O. Box 500 P. O. Box 1475 Windsor, CT 06095 Baltimore, Maryland 21203 Public Document Room Mr. R. E. Denton, General Supervisor Calvert County Library Training & Technical Services Prince Frederick, MD 20678 Calvert Cliffs Nuclear Power Plant Maryland Routes 2 & 4 Director, Department of State-Planning Lusby, MD 20657 301 West Preston Street Baltimore, MD 21201 l

Mr. R. M. Douglass, Manager Quality Assurance Department Fort Smallwood Road Complex Administrator, Power Plant Siting Program Energy and Coastal Zone Administration P. O. Box 1475 Department of Natural Resources Baltimore, MD 21203 Tawes State Office Building Mr. T. L. Syndor, General Supervisor Operations Quality Assurance Calvert Cliffs Nuclear Power Plant Regional Administrator Maryland Routes 2 & 4 Nuclear Regulatory Comission, Region I Lusby, MD 20657 Office of Executive Director for Operations 631 Park Avenue King of Prussia, Pennsylvania 19406 i

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