05000336/LER-1980-024-03, /03L-0:on 800703,during Routine Surveillance,Hpsia Pump Seized.Pump & Svc Water Header Declared Inoperable. Caused by Unlocked & Shut Pump Min Flow Valve.Revision of Procedures for Valve Lineups Following Maint Underway

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/03L-0:on 800703,during Routine Surveillance,Hpsia Pump Seized.Pump & Svc Water Header Declared Inoperable. Caused by Unlocked & Shut Pump Min Flow Valve.Revision of Procedures for Valve Lineups Following Maint Underway
ML19330C687
Person / Time
Site: Millstone Dominion icon.png
Issue date: 08/04/1980
From: Stratman R
NORTHEAST NUCLEAR ENERGY CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19330C685 List:
References
LER-80-024-03L, LER-80-24-3L, NUDOCS 8008110336
Download: ML19330C687 (1)


LER-1980-024, /03L-0:on 800703,during Routine Surveillance,Hpsia Pump Seized.Pump & Svc Water Header Declared Inoperable. Caused by Unlocked & Shut Pump Min Flow Valve.Revision of Procedures for Valve Lineups Following Maint Underway
Event date:
Report date:
3361980024R03 - NRC Website

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EVENT oEscalenoN ANo rnoBADLE CONSEQUENCES h q_2j l During routine surveillance the 'A' IIPSI pump siezed.

The ' A' IIPSI pump _and the. 'A' jj

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service water header were declared inoperable and the plant operated in accordanc'e wi_thj

Sections 3.5.2 and 3.7.4.1 of the Technical Specifications.

The 'A' service water

_j l E L eader was declared inoperable to allow the 'A' service _ water strainer to be removed j ;

h 7gl and installed in place of the. inoperable 'C' service water strainer.

This alloyed -

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E L.16KV bus 24C to be shifted to Facility I restoring independent service water and itPSI_j ]

4 gg ]eaders with the 'B' HPSI and service water pumps on Facility I.

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following maintenance during the previous outage and the valve is not list _eLon_the 1

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g ; surveillance valve lineup.

Procedures are being revised to address valve linen,n.s I

folb; wing maintenance and to check valve lineups for completeness.

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