ML20138A823

Revised Monthly Operating Rept for Aug 1985

ML20138A823
Person / Time
Site:	Beaver Valley
Issue date:	08/31/1985
From:	DUQUESNE LIGHT CO.
To:
Shared Package
ML20138A815	List: ML20138A809 ML20138A817 ML20138A823
References
NUDOCS 8512120120
Download: ML20138A823 (1)

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REVISED NARRATIVE

SUMMARY

OF MONTHLY OPERATING EXPERIENCE August 1985 August 1 The Station was in Operational Mode 1 with reactor power through at a nominal 100 percent. Reactor Coolant System was at August 28 normal operating pressure and temperature.

August 29 At 1250 hours0.0145 days <br />0.347 hours <br />0.00207 weeks <br />4.75625e-4 months <br /> a reactor trip / safety injection occurred due to a loss of instrument air caused by a broken line on the instrument air dryer. An unusual event was declared at 1300 hours0.015 days <br />0.361 hours <br />0.00215 weeks <br />4.9465e-4 months <br />. Notification to NRC and others required by the Emergency Plan were made. At 1315 hours0.0152 days <br />0.365 hours <br />0.00217 weeks <br />5.003575e-4 months <br /> the unusual event was terminated.

August 30 Plant cooldown was in progress with the Unit entering through Mode 4 at 0332 hours0.00384 days <br />0.0922 hours <br />5.489418e-4 weeks <br />1.26326e-4 months <br /> on the 30th and Mode 5 at 0017 hours1.967593e-4 days <br />0.00472 hours <br />2.810847e-5 weeks <br />6.4685e-6 months <br /> August 31 on the 31st.

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