ML20093N705

Forwards Revised Rept of Operating Experience of Monthly Operating Rept for Jul 1983

ML20093N705
Person / Time
Site:	Nine Mile Point
Issue date:	07/26/1984
From:	Lempges T NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
Shared Package
ML20093N708	List: ML20093N705 ML20093N727
References
NUDOCS 8408020115
Download: ML20093N705 (2)

Text

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Fl' NIAGARA MOHAWK POWER CORPORATION l

NIAGARA.

MOHAWK k'

300 ERIE BOULEVARD. WEST SY R ACUS E. N. Y.13 202 i

Jdy 26, 1984 Director

. Office of Inspection and Enforcenent

. U.S. Nuclear Regulat.ory Commission Washington, DC 20555

- Attention: - Document and Control Desk

'RE: Docket No. 50-220

DPR-65

Dear' Sir:

Submitted herewith is the Report of Operating Statistics and Shutdown

^ Experience for July 1983 - for the Nine f.LLle Point Nuetear Station Unit #1.

Also included is a Narrative Repor* of Operati Experience for July e

.1983. The Narrative Report of Operatir.y Experience been revised to include a chatte;;ge to Electromatic Relief ' Valve Hill.

Sincerety, n

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Thomas E Leapges Vice President Nuetear Generation

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.attachmeds cc: Director, Office of I S E (10 copies)

-8408020115 840726 f)l PDR ADOCK 05000220 R

PDR I

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. NIAGARA M0llAWK POWER CORPORATION

. NARRATIVE OF OPERATING EXPERIENCE H-July 1983 e3

The Station' operated.during the month of July 1983 with a monthly cvail-

> ! - ability factor of'85.3%, and a net design electrical capacity factor of 177.2%. The Station experienced an Auto Reactor Trip on July 16, 1983, caused by a-broken weld on a turbine oil relief valve. During this.

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-transient, Electromatic Relief Valve #111 lifted and reset. The Station

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was restarted on July;16,;1983.

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h 10n; July:28,.1983, _the St ation was removed from service to rep ace t e

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is'ealion!#11. recirculation pump and other; station maintenance. The f Station was' restarted on July 31, 1983.

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?CLAS'S I WORK --INSTRUMENTATION AND CONTROL'- JULY 1983 m

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'#21895 LLPRM Detectors04-33D, 20-49D,28-17B,-36-14A - replaced

,2 7y pinJin connector and recrimped.

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1. 20493.

JChecki #.11 HPCI Loop Controls for correct operation. Found m.-

' reversed ' leads : on module. (ID90C).

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CLASS I ' WORK <- ELECTRICAL MAINTENANCE - JULY 1983

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EN1-MST-M1.

125VDC batteries,; cell specific gravities and battery voltage.

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' ' WR- #22'205 RRP.#15 Cooling Water Solenoid - replaced micro switches.

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/#22204'

'FW IV 31 replaced limitorque. barrel assembly.

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g.y Clean-up 33 replaced limitorque barrel. assembly,

1. 22383 5.

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y CLASS I' WORK ' MAINTENANCE - JULY -1983 g

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1. 22171 lCRD Accumulator.'30-35'--replaced' packing - 7/5/83.

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'l Inspected #13' Condensate Demineralizer and strainer - 7/7/83.

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1. 19611 JReplaced seal across bottom of Peele. door

.7/14/83.

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J-#22200) jReplaced CRD filters;- 7/19/83.:

1. 20552-3 Repaired union'on inlet to air filter #113-83 (air to

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~ screen accum.) - 7/29/83.

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1. 21842 Replaced stem and packing on CRD Accum 35 - 7/29/83.

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.#22361:

Tightened all. studs and placed new gaskets in 39-04 valve - 7/29/83.

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l#20525 Replaced flex gasket on bypass valve at flow check to X71 D.-7/30/83.

i#21343.:

! Repaired 39-05.(lapping) - 7/30/83.

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