ML20093F671

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Requests 6-wk Extension for Response to NUREG-0737,Item II.K.3.25, Reactor Coolant Pump Seal Integrity Following Loss of Offsite Power, Per NRC 840829 Request,To Ensure All Implications Re Automated Seal Cooling Supply Considered
ML20093F671
Person / Time
Site: Calvert Cliffs  
Issue date: 10/04/1984
From: Lundvall A
BALTIMORE GAS & ELECTRIC CO.
To: John Miller
Office of Nuclear Reactor Regulation
References
REF-GTECI-A-23, REF-GTECI-A-44, REF-GTECI-CO, REF-GTECI-EL, RTR-NUREG-0737, RTR-NUREG-737, TASK-2.K.3.25, TASK-A-23, TASK-A-44, TASK-OR, TASK-TM NUDOCS 8410150179
Download: ML20093F671 (1)


Text

BALTIM ORE GAS AND ELECTRIC CHARLES CENTER.P.O. BOX 1475 BALTIMORE, MARYLAND 21203 October 4,1984 ARTHun E. LUNDVALL, JR.

VICE PRESaDENT SUPPLY Director of Nuclear Reactor Regulation Attention: Mr. 3. R. Miller, Chief Operating Reactors Branch #3 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Calvert Cliffs Nuclear Power Plant Units Nos.1 & 2; Dockets Nos. 50-317 and 50-318 NUREG-0737 Item II.K.3.25, Reactor Coolant Pump SealIntegrity Following Loss of Offsite Power

Reference:

NRC Letter from D. G. Eisenhut to A. E. Lundvall, Jr.,

dated August 29,1984.

Gentlemen:

In the referenced 1-tter you requested that we demonstrate why our operating license should not be modified to require automatic initiation of reactor coolant pump seal cooling upon a loss of offsite power. To fully address the issues addressed by your letter we will require additional time to prepare our response. Thus, we request a six-week extension to the response deadline. This time will be used to ensure that all implications associated with an automated seal cooling supply are thoroughly considered and that the suggested plant modifications are consistent with the safety concerns addressed by USI A-44, Station Blackout and Generic Issue A-23, Reactor Coolant Pump Seal Integrity.

If you should have any questions concerning this request, please contact us.

Sincerely, h

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AEL/BSM/vf cc: D. A. Brune, Esq.

G. F. Trowbridge, Esq.

Mr. D. H. Jaffe, NRC Mr. T. Foley, NRC f0 0

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