ML19263F436

From kanterella
Jump to navigation Jump to search
Forwards Analysis of Effects of Postulated Fire Involving Both Redundant Divs of Shutdown Sys. Addl Info Requested in NRC 791022 Ltr Will Be Submitted by 800201.Rept Available in Central Files Only
ML19263F436
Person / Time
Site: Pilgrim
Issue date: 01/21/1980
From: Andognini G
BOSTON EDISON CO.
To: Ippolito T
Office of Nuclear Reactor Regulation
Shared Package
ML19263F437 List:
References
80-12, NUDOCS 8001280358
Download: ML19263F436 (1)


Text

.

TERA BOSTON EDISON COMPANY GsMenAL orncts 800 GovtstcM Start?

SomTON. MAssACMUSETTS D2199 G. CAmL ANDOGNtNI supta NTENotNT NUCLEAR QPCRATIONS DCPARTMENT January 21, 1980 BECo. Ltr. #80-12 Mr. Thomas A. Ippolito, Chief Operating Reactors Branch #3 Division of Operating Reactors Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D. C. 20555 License No. DPR-35 Docket No. 50-293

References:

(a) Table 3.1 (Item 3.1.18) and Table 3.2 (Item 3.2.1) to Amendment No. 35 (b) BEco Letter #79-195 to NRC dated October 5, 1979 titled, " Alternate E .:down Capability per Fire Protectior Amendment No . 35" (c) NRC Letter dated October 22, 1979, titled

" Staff Position on Safe Shutdowr Capability" SAFE SHUTDOWN ANALYSES

Enclosure:

(A) Four (4) Copies of " Analysis of Effects of a Postulated Fire Involving Both Redundant Divisions of Shutdown Systems"

Dear Sir:

The results of a safe shutdown analysis for the Cable Spreading Room (Fire Zone 3.2) and the conceptual design for Alternate Shutdown Capability (Item 3.1.18 of Table 3.1 of the SER) were submitted for your review by Reference (b) .

The additional information requested in Reference (c) to complete your review, will be submitted no later than February 1,1980.

The safe shutdown analyses for the remaining eight critical fire zones are fully described in Enclosure (A).

If 'during your review of the enclosed material, you should have any questions or concerns, please do not hesitate to contact us.

Very truly yours, )b)7 547 P