05000245/LER-1997-039, Forwards LER 97-039-00,documenting Event That Occurred at Facility on 971031.Commitments Made by Util Listed

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Forwards LER 97-039-00,documenting Event That Occurred at Facility on 971031.Commitments Made by Util Listed
ML20199K901
Person / Time
Site: Millstone Dominion icon.png
Issue date: 11/25/1997
From: George Gellrich
NORTHEAST NUCLEAR ENERGY CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20199K907 List:
References
B16854, NUDOCS 9712010231
Download: ML20199K901 (2)


LER-2097-039, Forwards LER 97-039-00,documenting Event That Occurred at Facility on 971031.Commitments Made by Util Listed
Event date:
Report date:
2452097039R00 - NRC Website

text

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  • g P.o. Bos 128 Taterford, CT 0638s-0128 (860) 447-1791 Fax (860) 444-4277 The Northeast Utihties Systern NO.V 2 51997 Docket No 50-245 B16854 Re: 10CFR50.73(a)(2)(ii)

U.S. Nuclear Regulatory Commission

- Attention: Document Control Desk Washington, DC 20555 This letter forwards Licensee Event Report (LER) 97-039-00, documenting an event that occurred at Millstone Nuclear Power Station, Unit No. I on October 31,1997. This LER is submitted pursuant to 10CFR50.73(a)(2)(ii).

. The following are Northeast Nuclear Energy Company's (NNECO's) commitments made within this letter. All other statements made within :'lis letter are for information only.

B16854-1 NNECO commits that the appropriate system operating procedures will be revised prior to startup from this outage to prohibit simultaneous opening of the drywell and suppression chamber inboard isolation atmospheric control valves whenever primary containment is required.

B16854-2 NNECO commits that a change to the UFSAR will be made to specify that the inboard isolation valves may not be operated in a manner that would provide a flow path that would bypass the suppression pool prior to startup from this outage.

B16854-3 NNECO commits that the potential for other lineups that may result in a similar bypass flow path will be evaluated prior to startup from this outage.

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U.S. Nuclear Regulatory Commission .-

B16854\Page 2 of 2 ,

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Very tmly yours, NORTHEAST NUCLEAR ENERGY COMPANY {

t For: P. D. Ilinnenkamp Director, Unit Operations

- By: G. H. dellrich Director, Engineering

Attachment:

LER 97-039-00 c: II. J.- Miller, Region 1 Administrator T. A Easlick, Senior Resident Inspector, Millstone Unit No.1 i

S. Dembek, NRC Project Manager, Millstone Unit No.1 i

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