ML20082A735

Forwards LERs 83-036/03L-0,83-037/03L-0,83-039/03L-0 & 83-040/03L-0

ML20082A735
Person / Time
Site:	Fort Saint Vrain
Issue date:	10/28/1983
From:	Warembourg D PUBLIC SERVICE CO. OF COLORADO
To:	Jay Collins NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20082A738	List: 05000267/LER-1983-036-03, /03L-0:on 830928,emergency Feedwater Supply Header to Loop I Helium Circulator Water Turbine Drives Isolated Twice to Perform Maint on Two Leaking Header Safety Valves & One Pressure Control Valve.Valves Repaired 05000267/LER-1983-037-03, /03L-0:on 830928,one Bearing Water Makeup Pump Taken Out of Svc While Reactor at 65% Power.Caused by Leaking Mechanical Seal Due to Normal Operation & Wear.Seal Replaced.Pump Returned to Svc 05000267/LER-1983-039-03, /03L-0:on 830929,w/reactor Operating at 65% Power, Problems Experienced W/Diesel Generator 1B Set During Performance of Weekly Surveillance Test.Caused by Failed Engine Trip Circuit Due to heat-brittlement of Insulation 05000267/LER-1983-040-03, /03L-0:on 830928,while Operating at 65% Power,One of Three Loop II Plant Protective Sys Dewpoint Moisture Monitors Discovered Inoperable Due to Overheating of Mirror. Caused by Slight Pressure Decrease in Monitor ML20082A735
References
P-83351, NUDOCS 8311180236
Download: ML20082A735 (1)

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16805 Road 19 1/2, Platteville, Colorado 80651-9298 October 28, 1983 Fort St. Vrain Unit No. 1 P-83351

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OCT 3 ; igg j

Mr. John T. Collins, Regions) Administrator J

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Region IV Nuclear Regulatory Commission L-611 Ryan Plaza Drive 4

Suite 1000 Arlington, Texas 76011

Reference:

Facility Operating License No. OPR-34 Docket No. 50-267

Dear Mr. Collins:

Enclosed please find a copy of Reportable Occurrence Report No. 50-267/83-036, Reportable Occurrence Report No. 50-267/83-037, Reportable Occurrence Report No. 50-267/83-039, and Reportable Occurrence Report No. 50-267/83-040, Fi nal s,

submitted per the requirements of Technical Specification AC 7.5.2(b)2.

Also, please find enclosed one copy of the Licensee Event Report for Reportable Occurrence Report No. 50-267/83-036, Reportable Occurrence Report No. 50-267/83-37, Reportable Occurrence Report No. 50-267/83-039, and Reportable Occurrence Report No. 50-267/83-040.

Very truly yours,

- YNus~bw Don Warembourg Manager, Nuclear Production DW/djm gggf Enclosure cc:

Director, MIPC 8311180236 831028 DR ADOCK 0500026