ML19325D595

Special Rept Spr 89-009:on 890927,diesel Fire Pump Remained Inoperable in Excess of 7 Days.Caused by Defective Cooling Water Pump.Replacement of Pump & post-maint Testing Completed

ML19325D595
Person / Time
Site:	Summer
Issue date:	10/17/1989
From:	Bradham O SOUTH CAROLINA ELECTRIC & GAS CO.
To:	Ebneter S NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
SPR-89-009, SPR-89-9, NUDOCS 8910250107
Download: ML19325D595 (2)

Text

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i .' 10CFR50 36 i.~/- ,

a South Carolme Electric & Ces Company P O.fion 66 LIQ $. Stadham wte Prmoent

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October 17, 1989 j I

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Mr. S. D. Ebneter J Regional Administrator U. S. Nuclear Regulatory Commission l' Region !!, Suite 2900 l l'

101 Marietta Street, N.W.  :

Atlanta, Georgia 30323  !

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Subject:

Virgil C. Sumer Nuclear Station  !

c Docket No. 50/395 i L Operating License No. NPF-12 +

Special Report (SPR 89-009)

Dear Mr. Ebneter:

?

r This Special Report is being submitted pursuant to the requirements of i Technical Specification 3.7.9, " Fire Suppression System," in that the Diesel t Fire Pump remained inoperable in excess of seven days. ,

t L0n September 27, 1989, the Diesel Fire Pump was removed from service for  !

surveillance testing. The initial flow rate was less than the 2500 gpm as  ;

e required by the surveillance. Adjustments were made to the discharge relief  !

valve and a satisfactory flow rate was obtained on October 4. During this j test run, an engine cooling problem developed and investigation itantified a  !

defective cooling water pump. Replacement of the cooling water pu.np and ,

satisfactory post maintenance testing was completed with the unit.being  ;

declared operable at 0615 hours0.00712 days <br />0.171 hours <br />0.00102 weeks <br />2.340075e-4 months <br /> on October 5, 1989.

The. Licensee plans no corrective action as a result of this event. -

i Should you have any questions, please call at your convenience. ',

Very truly yours, '

t f~ b

0. S. Bradham

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Marsh & McLennan.

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