ML18043A368

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in Response to NRC 781129 Ltr,Advises That Consumers Power Co Will Limit Containment Purging to 90 H/Yr.Info Re Ability of Containment Isolation Valves to Close Will Be Provided by 790301
ML18043A368
Person / Time
Site: Palisades Entergy icon.png
Issue date: 12/28/1978
From: Hoffman D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: Ziemann D
Office of Nuclear Reactor Regulation
References
TASK-06-04, TASK-6-4, TASK-RR NUDOCS 7901030068
Download: ML18043A368 (1)


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consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201

  • Area Code 517 788-0550 December 28, l978 Director, Nuclear Reactor Regulation Att: Mr Dennis L Ziemann, Chief Operating Reactors Branch No 2 US Nuclear Regulatory Commission Washington, DC 20555 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - CONTAINMENT PURGING DURING NORMAL PLANT OPERATION In response to your "Containment Purging During Normal Plant Operation" letter dated November 29, l978, Consumers Power Company will commit to limit contain-ment purging (other than during cold shutdown or refueling conditions) to 90 hours0.00104 days <br />0.025 hours <br />1.488095e-4 weeks <br />3.4245e-5 months <br /> per year. The required Technical Specifications change will be included in our changeover to Standard Technical Specifications scheduled for mid-l979.

Information concerning the ability of our containment isolation valves to close under postulated design basis accident conditions will be provided by March 1, 1979*

A review of the design of all safety actuation signal circuits is scheduled for completion by mid-March l979. Administrative controls to prevent "improper manual defeat" of safety actuation signals are not considered necessary. Tech-nical Specifications do not allow "improper manual defeat" of safety actuation

. signals.

Jxiu~ of ~ fok:llrna1 David P Hoffman 7J b Assistant Nuclear Licensing Administrator CC: JGKeppler, USNRC