ML17054B982

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Confirms Verbal Temporary Waiver of Compliance to Permit Operation W/Only One Emergency Cooling Sys Operable During Remainder of Cycle 8.Tech Spec Pages Encl
ML17054B982
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 11/05/1985
From: Lainas G
Office of Nuclear Reactor Regulation
To: Mangan C, Seibert C
NIAGARA MOHAWK POWER CORP.
References
NUDOCS 8511110430
Download: ML17054B982 (8)


Text

November,5, 1985 Docket No. 50-220 Niagara Mohawk Power Corporation Attn:

Mr. C. V. Mangan Senior Vice President c/o Miss Catherine R. Seibert 300 Erie Boulevard West

Syracuse, New York 13202

Dear Mr. Mangan:

SUBJECT'MERGENCY TECHNJCAL SPECJFJCATJON CHANG'E EXTENDED OPERATJON WJTH ONLY ONE EMERGENCY COND'ENSER OPERABLE Re:

Nine Mile Point Nuclear Station, Unit No.

1 By application dated November 3,

1985, as supplemented and clarified by letter dated November 5, 1985, you requested an emergency Technical Specification (TS) change which would permit operation during the remainder of Cycle 8 with one emergency cooling system continuously inoperable.

We have reviewed your evaluation and justification provided in your submittal and find them acceptable.

This letter will confirm the verbal granting of a temporary waiver of compliance to permit operation'ith only one emergency cooling system operable as indicated in the enclosed TS page.

This waiver of compliance will be in effect until November 7, 1985, while we complete the processing of your amendment request.

Sincerely, Original signed by/,

cc:

See next page DJSTRJBUTJON Gus C. Lainas, Assistant Director for Operating Reactors, Division of Licensing NRC PDR Local PDR ORB¹2 Reading

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Mr. C. V. Mangan Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station, Unit No.

1 CC:

Troy B. Conner, Jr., Esquire Conner

& Wetterhahn Suite 1050 1747 Pennsylvania

Avenue, N.

W.

Washington, D.

C.

20006 Frank R. Church, Supervisor Town of Scriba R.

D.

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Oswego, New York 13126 Niagara Mohawk Power Corporat'ion ATTN:

Mr. Thomas Perkins Plant Superinterdent Nine Mile Point Nuclear Station Post Office Box 32

Lycoming, New York 13093 Resident Inspector U. S. Nuclear Regulatory Commission Post Office Box 126
Lycoming, New York 13093 John W. Keib, Esquire Niagara Mohawk Power Corporation 300 Erie Boulevard West
Syracuse, New York 13202 Regional Administrator, Region I U.

S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406 Hr. Jay Dunkleberger Division of Policy Analysis and Planning New York State Energy Office Agency Building 2 Empire State Plaza

Albany, New York 12223

LIHITNG CSlDITIOM FOR'OPERATION 3.1.3 EMERGE)CY COOLING SYSIEH ttttttltltltit Applies to the operating status of the emergency cooling system.

Dbjectfve:

To assure the capability of the emergency cooling system to cool the reactor coolant in the event, the normal reactor heat sink fs not avai 1 able.

~slit t

a.

During paar operating conditions and

&enever the reactor coolant temperature fs greater than 212 F, both emergency cooling system shall be operable except as specified fn 3.1.3.1 and c b.

During the remainder of Cycle 8 fifth one ewergency cooling system inoperable, Specification 3.1.3a shall be consfdered fulfilled, provided the addftional surveillance required in 4.1.3.f is performed.

I c.

During Cycle 9 and subsequent cycles, if one emergency cooling system becoses inoperable, Speciffcatfon 3.1.3.a shall be considered fulfilled, provided that the inoperable system fs returned to an operab1e condition within 7 days and the additional surveillance requfred in 4.1.3.f is performed.

'URVEILLANCE REglJIHKHBlT 4 'l.3 EMERGENCY COOLIRG SYSTN A

1 icabi1f Applies to periodic testing requirements for the emergency cooling system.

%jectf ve'o assure the capability of the emergency coolfng system for cooling of the reactor coolant.

~titl The emergency coo1fng systea surveillance shall be performed as indicated below:

a.

At least once ever five ears-The systea heat removal capability shall be determfned.

b.

At least once dail The shell side mter level and makeup tank eater level shall be checked.

c.

At least once r month The makeup tank leve1 control valve shall be manually opened and closed.

(*

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!.INITING COMDITIN FOR QPENTIM d.

Rake ap mter shall be available from the two gravity feed aakeup Mater tanks.

)

e..

During Power Operatfng Conditions.

each emergency coo1ing system high

'oint vent to torus shall be operab1 e.

lith a vent path-for one emergency cooling system inoperable, restore the vent path to an operable conditfon stfthfn 30 days.

2.

Mlth vent paths for both emergency cool fng systeas inoperable, restore one vent path to ah operable condition fifth 14-days and both vent paths vithfn 30 days f.

If Specfficatfon 3.1.3.a, b, c, d or e are not met, a normal orderly shutdown shall be initiated within one hour, and the reactor shall be in the cold shutdown conditions

%thin ten hours.

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da SURVEIl.LANCE REgUIREHENT ht least once each shift The area temperature shall he checked.

Durfn each major refuel fn outa Automatic actuatfon and functfonal systein testing shall be performed durfng each.aajor refueling outage and whenever major repairs are completed on the system.

Each emergency coo1ing vent path shall be delonstrated operable by cycling each power-operated valve f05-01R, 05-11 ~.

.05-12,05-04R. 05-05 and 05-07) in the vent path through one coep1ete cyc1e of full travel and verffyfng Chat all manual valves are fn the oper position.

Survef1lance with an Ino rable S stei During Cycle 8 xith one of the emergency cooling systems inoperable, the level control valve and motor operated isolation valve in the operab1e system sha11 be demonstrated to be operable weekly.

During Cycle 9 and subsequent

cycles, when one of the emergency cooling systems fs inoperable, the 1evel control valve and the motor-operated fso1ation valve fn the operab e system shal1 be demonstrated to be operable i~dfately and dafly thereafter.

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