ML20083C611

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Forwards Containment Purge & Vent Valve Operability Rept, in Response to NRC 830808 Request
ML20083C611
Person / Time
Site: Cooper Entergy icon.png
Issue date: 12/15/1983
From: Pilant J
NEBRASKA PUBLIC POWER DISTRICT
To: Vassallo D
Office of Nuclear Reactor Regulation
Shared Package
ML20083C615 List:
References
LQA-8300265, NUDOCS 8312230204
Download: ML20083C611 (2)


Text

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GENERAL OSFICE

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H Nebraska Public Power District December 15, 1983 LQA 8300265 Director of Nuclear Reactor Regulatica U.S. Nuclear Regulatory Commission Operating Reactors Branch No. 2 Division of Licensing Washington, D.C. 20555 Attention: Mr. Domenic B. Vassallo, Chief

Dear Mr. Vassallo:

Subject:

Operability of Purge Valves (B-24) Response Cooper Nuclear Station NRC Docket No. 50-298, DPR-46

Reference:

(1) Letter from J. M. Pilant to D. B. Vassallo dated September 16, 1983, " Operability of Purge Valves (B-24) Response" (2) Letter from J. D. Weaver to B. Siegal dated August 8, 1983, " Demonstration of Contain-ment Vent Valve Operability (B-24)"

(3) Letter from J. M. Pilant to T. A. Ippolito dated December 18, 1979, " Containment Purge and Vent Valve Operability" As discussed in Reference 2, the District received eight pages of questions relating to the operability of containment purge and vent valves at CNS. The enclosure to this letter, which is Allis-Chalmers Drawing No. 44113-A, is the response to those questions.

It is anticipated that the necessary modifications will be completed at CNS during the next refueling outage (presently scheduled October 1984). As stated in Reference 3, the District f$[$D 0 l \

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Mr. Dom::nic B. Vassallo P:ge 2 December 15, 1983 LQA 8300265 will continue to operate purge valves at CNS in the passive mode, as much as possible, and to limit all purging and venting times to as low as achievable, considering the necessary operation of the station.

Sincerely, ik M. Pflant Technical Staff Manager Nuclear Power Group JMP/gme:rt15/1(QAC1)

Enclosure

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