05000287/LER-1981-003-01, /01T-0:on 810226,B Steam Generator Was Pressurized to 550 Psig.Caused by Procedural Deficiency. Once-through Steam Generator Pressure Lowered.Procedures for Opening Startup Block Valves Will Be Revised

/01T-0:on 810226,B Steam Generator Was Pressurized to 550 Psig.Caused by Procedural Deficiency. Once-through Steam Generator Pressure Lowered.Procedures for Opening Startup Block Valves Will Be Revised

ML20009C368
Person / Time
Site:	Oconee
Issue date:	03/12/1981
From:	Jackie Jones DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C362	List: 05000287/LER-1981-003, Forwards LER 81-003/01T-0.Detailed Event Analysis Encl 05000287/LER-1981-003-01, /01T-0:on 810226,B Steam Generator Was Pressurized to 550 Psig.Caused by Procedural Deficiency. Once-through Steam Generator Pressure Lowered.Procedures for Opening Startup Block Valves Will Be Revised
References
LER-81-003-01T, LER-81-3-1T, NUDOCS 8107200491
Download: ML20009C368 (1)

LER-1981-003, /01T-0:on 810226,B Steam Generator Was Pressurized to 550 Psig.Caused by Procedural Deficiency. Once-through Steam Generator Pressure Lowered.Procedures for Opening Startup Block Valves Will Be Revised

Event date:
Report date:
2871981003R01 - NRC Website

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.,ce.ro4ra ao EVENT OESCRIFDCN ANO PRCSAStf CONSECUENCES h I o f 2 I l On February 26, 1981, the "B" Steam Generator was pressurized to 550 psig.

t 10 6 2_1 1 No systems or nining were damaced by this incident.

The integrity of the is!.iimain steam lines. hancers, and the OTSG itseiz were verified. Thus, this l

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litol l Tho maior cause of the ir ident was the result of a procedural deficiency.

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m LProcedures will be revised to specify that the startup block valves be open

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