ML20080H094

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Notifies That Diesel Generator 102 Successfully Completed 7-day Endurance Run.Linear Indications Found on Four Exposed Cylinder Areas.Info Provided for 840222 Hearing.Related Correspondence
ML20080H094
Person / Time
Site: Shoreham File:Long Island Lighting Company icon.png
Issue date: 02/10/1984
From: Twana Ellis
HUNTON & WILLIAMS, LONG ISLAND LIGHTING CO.
To: Bienner L, Ferguson G, Morris P
Atomic Safety and Licensing Board Panel
References
NUDOCS 8402140091
Download: ML20080H094 (2)


Text

RELATED CORRESPONDENCE H uwTox & WILLI AM s 7o7 EAST MaeN STntc7 P. o. Box 1535 M~iin w3c N iNoToN. o. c.

New Yonn, New Yonx RicnwoNo. VIRO 2NEA 23212 4 gr wo. 24566.3 Leo ANoELES.CALIFORNI A RAttioN. NomTN CAnotsNA TeorewoNE 804 788-8200 o,.cho g #3

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BY TELECOPIER Lawrence Brenner, Esq. Dr. George A. Ferguson Administrative Judge School of Engineering Atomic Safety and Licensing Howard University Board U.S. Nuclear Regulatory 2300 Sth Street, N.W. .

Commission Washington, D.C. 20059 [

e Washington, D.C. 20555 d Dr. Peter A. Morris Administrative Judge B Atomic Safety and Licensing d Board [;j U.S. Nuclear Regulatory q Commission Washington, D.C. 20555

Dear Judges:

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its 7-day endurance run this week.Shoreham's diesel generator 102 successful b This pre-operational test [;;

requires that the diesel generator be run continuously for 7 -

days and simulates diesel generator performance in a loss-of-coolant accident situation. The 7-day test begins with a one .

hour run at 3900 KW (the overload rating) followed by 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> "4 at 3500 KW (100% load rating) E 163 hours0.00189 days <br />0.0453 hours <br />2.695106e-4 weeks <br />6.20215e-5 months <br /> at 75% of rated power.and concludes with the remaining 5

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In the course of inspecting the diesel generator fol- ma lowing the successful completion of the test, linear indica- p tions were noted in the engine block extending from the head if

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holddown landing. stud holes to the upper edge of the cylinder liner 5f These areas exposed to date. indications.were found on the four cylinder

[Q significance of this condition.LILCO is investigating the cause and g]

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8402140091 840210 0) k PDR ADOCK 050Mpgg liig g9 g_

6-HUNTON & WILLIAMO

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February 10, 1984 Page 2

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In light of the hearing now scheduled for February 22, 1984 to consider the County's motion to admit proposed diesel generator contentions, parties should be aware LILCO considers of this that the Board and the information.

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