05000423/LER-1997-020, Forwards Revised Schedule for Reconfiguring CCW Side of Containment Air Recirculation Sys to Provide Required Flowrates When Supplied by Reactor Plant Chilled Water Sys or Reactor Plant Ccws,Identified in LER 97-020-00

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Forwards Revised Schedule for Reconfiguring CCW Side of Containment Air Recirculation Sys to Provide Required Flowrates When Supplied by Reactor Plant Chilled Water Sys or Reactor Plant Ccws,Identified in LER 97-020-00
ML20212E383
Person / Time
Site: Millstone Dominion icon.png
Issue date: 10/30/1997
From: Hicks G
NORTHEAST NUCLEAR ENERGY CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
B16820, NUDOCS 9711030174
Download: ML20212E383 (4)


LER-2097-020, Forwards Revised Schedule for Reconfiguring CCW Side of Containment Air Recirculation Sys to Provide Required Flowrates When Supplied by Reactor Plant Chilled Water Sys or Reactor Plant Ccws,Identified in LER 97-020-00
Event date:
Report date:
4232097020R00 - NRC Website

text

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Rope Ferry Rd. (Route 156), % eterford, CT 06385

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. Nuclear Energy wa.tooe N,ica, romt statioo Nordnst Nuclear Energy Company P.O. Ikn 128 Waterbrd, CT 063&L0128 (860) 417 1791 Fax (860) 444-4277 ne Northeast7 r -A Systern OCT 301997 Docket No. 50-423 B16820 Re:10CFR50.73(a)(2)(ii)

U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Millstone Nuclear Power Station Unit No. 3 Revised Schedule LER 97-020-00 Cerrective Action This letter provides our revised schedule for reconfiguring the closed cooling water side of the Containment Air Recirculatlon System to provide the required flowrates when supplied by the Reactor Plant Chilled Water System or the Reactor Plant Component Cooling Water System. This corrective action l4 identified in Licensee Event Report 97-020-00 " Elevated Contair.inent Temperatuie Due to Reduced Cooling Capability Restricts Ability to Ente-Containment and Operate Equipment Required for Cold Shutdown During Cortain Fire Events" (B16267, dated March 20,1997). Completion of this action, previously scheduled for October 31,1997, is currently scheduled prior to entry //

into Mode 4. Our revised commitment is provided in Attachment 1. //

Should you have any questions regarding this matter please contact Mt. .

David A. Smith at (860) 437-5840. j gL Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY 0C0000 b

/G. Hicks Director - Millstone Unit 3 9711030174 971030 PDR ADOCK 05000423 oss 22.s arv. taas li

. - . . - U.S. Nucirr Regul: tory Commiasion

.- B16820\Page 2 l cc- H. J. Miller, Region 1 Administrator W.D. Travers, PhD, Director, Special Projects Offx:e J. W. Andersen, NRC Project Manager, Millstone Unit No. 3 A. C. - Corne, Senior Resident inspector, Millstone Unit No. 3 1

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Docket No. 50-423 B16820 Attachment 1 Millstone Nuclear Power Station Unit No. 3 Revised Commitment October 1997 g

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. ., . U.S. Nuclear Regul: tory Commission {

B16820%ttachment 1\Page 1 - {

l Enclosure -

List of Regulatory Commitments .

The following table-identifies those actions committed to by NNECO in this- l document. Please notify the Manager - Regulatory Compliance at the Millstone "

Nuclear Power Station Unit No. 3 of any questions regarding this document or any associated regulatory commitments.

B16267-01 The closed cooling water side of the Prior to entry into j Containment Air Recirculation System will be Mode 4 reconfigured to provide the required flowrotes when supplied by the Reactor Plant Chilled Water System or the Reactor Plant Component Cooling Water System. i 1

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