05000245/LER-1996-046-02, Forwards LER 96-046-02.Util Commits to Modify Procedure for Performing Local Leak Rate Test on Vacuum Breaker to Include Testing of Shaft Packing & Stuffing Box

Forwards LER 96-046-02.Util Commits to Modify Procedure for Performing Local Leak Rate Test on Vacuum Breaker to Include Testing of Shaft Packing & Stuffing Box

ML20133B591
Person / Time
Site:	Millstone
Issue date:	12/27/1996
From:	Noll W NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES SERVICE CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20133B596	List: 05000245/LER-1996-046-02, Forwards LER 96-046-02.Util Commits to Modify Procedure for Performing Local Leak Rate Test on Vacuum Breaker to Include Testing of Shaft Packing & Stuffing Box
References
B16106, NUDOCS 9701060049
Download: ML20133B591 (2)

LER-1996-046, Forwards LER 96-046-02.Util Commits to Modify Procedure for Performing Local Leak Rate Test on Vacuum Breaker to Include Testing of Shaft Packing & Stuffing Box

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(i)
2451996046R02 - NRC Website

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December 27,1996 Docket No 50-245 B16106 l

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

U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 This letter forwards supplemental Licensee Event Report (LER) 96-046-02, documenting an event that occurred at Millstone Nuclear Power Station, Unit No.1 on June 27,1996. This LER is submitted pursuant to 10CFR50.73(a)(2)(i).

This supplement adds a Commitment No. B16106-1. Also the commitments ha/e been moved from the LER form to this letter. Two sentences from the Analysis of Event have been removed as they no longer are valid statements. Also, a sentence in this section regarding the Head Spray System flange has been modified for clarity. Lastly, there is one editorial change regarding the name of the Condition Based Maintenance group.

The following are Northeast Nuclear Energy Company's (NNECO's) commitmerits contained within this letter. All other statements contained within this le ter are for information only.

B15820-1 NNECO commits to modify the procedure for performing the local leak rate test (LLRT) on the vacuum breaker to include testing of the shaft packing and stufling box. LLRTs will be performed before the overall containment Type A integrated leak rate testing (ILRT) prior to startup for operating cycle 16.

B15820-2 NNECO commits to modify the et ntainment side bolting flange of valves 1-AC-9 &

1-AC-12 during refueling outage 15. LLRTs will be performed before the overall containment Type A ILRT prior to startup for operating cycle 16.

B15820-3 NNECO commits to modify the bolted flange between valves 1-HS-4 and 1-IIS-5 during refueling outage 15. LLRTs will be performed before the overall containment Type A ILRT prior to startup for operating cycle 16.

l B15820-4 NNECO commits that the self-assessment of the Appendix J program will be l

completed and the final results reported to the NRC via a supplement to this LER by March 1,1997.

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s U.S. Nuclear Regulatory Commission B160106\\Page 2 of 2 B16106-1 NNECO commits that the issues identified for the Appendix J program are being investigated through a root cause evaluation which is expected to be completed by Afarch 1,1997.

Very truly yours, NORTHEAST NUCLEAR ENERGY COhfPANY For:

P. D. Hinnenkamp Director, Unit Operati ns 1

I Byl W. G. Noll Manager, Operations Attachment: LER 96-046-02 cc:

Dr. W. D. Travers, Director, Special Projects H. J. Miller, Region I Administrator S. Dembek, NRC Project Manager, Millstone Unit No.1 T. A. Eastick, Senior Resident Inspector, Millstone Unit No. I l

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