ML20072P615

Application for Amend to License NPF-69,revising TS 3/4.6.1.3, Primary Containment Air Locks

ML20072P615
Person / Time
Site:	Nine Mile Point
Issue date:	08/26/1994
From:	Sylvia B NIAGARA MOHAWK POWER CORP.
To:
Shared Package
ML20072P610	List: ML20072P607 ML20072P615 ML20072P621
References
NUDOCS 9409080104
Download: ML20072P615 (2)

Text

UNITED STATES NUCLEAR REGULATORY COMMISSION in the Matter of )

)

NIAGARA MOHAWK POWER CORPORATION ) Docket No. 50-410

)

Nine Mile Point Nuclear Station Unit 2 )

APPLICATION FOR AMENDMENT TO OPERATING LICENSE Pursuant to Section 50.90 of the Regulations of the Nuclear Regulatory Commission, Niagara Mohawk Power Corporation, holder of Facility Operating License No. NPF-69, hereby requests that Specification 3/4.6.1.3, " Primary Containment Air Locks," of the Technical Specifications set forth in Appendix A to that license be amended. The proposed changes have been reviewed in accordance with Section 6.5 of the Technical Specifications.

The proposed Technical Specification changes contained herein represent a revision to Specification 3/4.6.1.3, " Primary Containment Air Locks." Specification 3/4.6.1.3, in part, requires that the interlock mechanism associated with each primary containment air lock be verified operable every six months. These interlocks prevent primary containment air lock doors in the same penetration from being opened simultaneously. Niagara Mohawk proposu to revise Specification 3/4.6.1.3 to allow continued plant operation if an interlock becomes inoperable, as long as an operable door is locked shut and periodically checked as being locked shut. Locking an operable door shut assures that at least one air lock door is closed and provides the intended function of the interlock mechanism. With the existing Specification, an inoperable interlock could result in an unnecessary plant shutdown.

The proposed changes will not authorize any change in the type of effluents or in the authorized power level of the facility. Supporting information and analyses which demonstrate that the proposed changes involve no significant hazards consideration pursuant to 10 CFR 50.92 are included as Attachment B.

WHEREFORE, Applicant respectfully requests that Appendix A to Facility Operating License No. NPF-69 be amended in the forms attached hereto as Attachment A.

NIAGARA MOHAWK P WER CORPORATION By N# +

B. "R$lp'Il S)/fvia Exec. Vice Preside [nt - Nuclear Subscribed and sworn to before me on this (,, day of 4 19 4.

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. I 4 s ATTACHMENT A  ;

NIAGARA MOHAWK POWER CORPORATION LICENSE NO. NPF-69 DOCKET NO. 50-410 Proposed Chanaes to Technical Specifications Replace existing page 3/4 6-8 with the attached revised page. This page has been retyped in its entirety with rnarginal markings to indicate change to the text .

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