05000245/LER-1996-057, Submits Commitments Made Re LER 96-057.Breakers Which Are Racked Down Will Be Secured within Cubicle to Prevent Movement Using Existing Hardware Associated W/Elevator Mechanism by 961230

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Submits Commitments Made Re LER 96-057.Breakers Which Are Racked Down Will Be Secured within Cubicle to Prevent Movement Using Existing Hardware Associated W/Elevator Mechanism by 961230
ML20132C015
Person / Time
Site: Millstone Dominion icon.png
Issue date: 12/13/1996
From: Hinnenkamp P
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES SERVICE CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20132C020 List:
References
B16052, NUDOCS 9612180068
Download: ML20132C015 (1)


LER-2096-057, Submits Commitments Made Re LER 96-057.Breakers Which Are Racked Down Will Be Secured within Cubicle to Prevent Movement Using Existing Hardware Associated W/Elevator Mechanism by 961230
Event date:
Report date:
2452096057R00 - NRC Website

text

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.. "N . Northeast moc omce. . nope Ferry ad., waterrwd, cr Utilities System p.o. 3,x 128 I Waterford, Cr 06385-0128 (203) 447-1791  ;

i December 13,1996 Docket No. 50-245 B16052  !

Re: 10CFR50.73(a)(2)(ii) f i

U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 ,

i i

This letter forwards Licensee Event Report (LER) 96-057-00 documenting an event that j occurred at hiillstone Nuclear Power Station, Unit No.1 on November 13, 1996. This LER is submitted pursuant to 10CFR50.73(a)(2)(ii).

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

t B16052-1 The breakers which are racked down will be secured within the cubicle to prevent  !

movement using existing hardware associated with the elevator mechanism by  ;

December 30,1996. This immediate corrective measure will be reviewed to assess l its suitability for a long term solution to the interaction concern. j B16052-2 NNECO commits to address the seismic interaction issue and provide appropriate permanent physical and/or procedural changes to preclude this interaction of racked  !

down breakers prior to declaring the 4kV system operable. j Very truly yours, NORTHEAST NUCLEAR ENERGY COhiPANY

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f(Y l

_ L wn o t x M

P. D. Hinnenkamp 9612180068'961 13 Director, Unit Operations l PDR ADOCK 05000245 S PDR l

Attachment:

LER 96-057-00 I

I cc: H. J. hiiller, Region i Administrator l T. A. Easlick, Senior Resident Inspector, hiillstone Unit No.1 J. W. Andersen, NRC Project hianager, hiillstone Unit No.1 Ot43422-9 REY.1-95 1

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