05000271/LER-1980-036-03, /03L-0:on 801017,standby Liquid Control Relief Valve Setpoints Found to Be Above Tech Spec 4.4.A Requirement of 1400 to 1490 Psig.Caused by Setpoint Drift. Relief Valves Adjusted,Bench Tested & Reinstalled

/03L-0:on 801017,standby Liquid Control Relief Valve Setpoints Found to Be Above Tech Spec 4.4.A Requirement of 1400 to 1490 Psig.Caused by Setpoint Drift. Relief Valves Adjusted,Bench Tested & Reinstalled

ML19339C602
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	11/14/1980
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19339C593	List: 05000271/LER-1980-036, Forwards LER 80-036/03L-0 05000271/LER-1980-036-03, /03L-0:on 801017,standby Liquid Control Relief Valve Setpoints Found to Be Above Tech Spec 4.4.A Requirement of 1400 to 1490 Psig.Caused by Setpoint Drift. Relief Valves Adjusted,Bench Tested & Reinstalled
References
LER-80-036-03L, LER-80-36-3L, NUDOCS 8011180663
Download: ML19339C602 (1)

LER-1980-036, /03L-0:on 801017,standby Liquid Control Relief Valve Setpoints Found to Be Above Tech Spec 4.4.A Requirement of 1400 to 1490 Psig.Caused by Setpoint Drift. Relief Valves Adjusted,Bench Tested & Reinstalled

Event date:
Report date:
2711980036R03 - NRC Website

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NRC FOlM 366 U. S. NUCLEAR RESULATC~.Y COMMISSION

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6C 61 DOCKET NUMS E R 68 69 EVENT CATE 74 75 RE* ORT DATE 60 EVENT DESCRIPTION AND PROB ABLE CONSECUENCES h j o !:; l During routine surveillance testing of the standby liquid control relief valves, thel toj3; lsetpoints were found to be above Tech. Spec. 4.4.A required setpoint of 1400 to 14901 l044 l lpsig.SR-39A setpoint was found to be 1550 psig while SR-39B was found at 1600 osie. I 1c;el l Since the system has been successfully hydrotested to 2250 psig, there were no I

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"iyl relief valves were properly adjusted, be.nch-tested, and reinstalled into the svstem!

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