ML19208B441

LER 79-078/03L-0:on 790905,isolation Valve to Reactor Heating,Ventilation & Air Conditioning Room Spray Sys Closed.Caused by Welding During Outage.Procedures Revised

ML19208B441
Person / Time
Site:	Hatch
Issue date:	09/14/1979
From:	Baxley S GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19208B439	List: ML19208B438 ML19208B441
References
LER-79-078-03L-01, LER-79-78-3L-1, NUDOCS 7909200308
Download: ML19208B441 (1)

Text

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o e L0urino normal operation ea plant _ personnel discovered isolation valve to Reactor j

[oJ2] LBuilding HvAc room spray _ system closed. sygem was required to be operable per _j EE [ Technical Specifications 3.13.3. System was immediately restored to service. There j EG [ were no sieni^ ant occurrences that took place as a result of the event. This is l DEC I not a repetitive occurrence. l ITI7] I -

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[TTE] Uleactor Puildirm HvAc ronn sprov system isolation valve was closed durin, Duiaan be- 1 Efj[] Lcf use of ueldin.q_in area. Isolation valve was rto_t_c.prned al_cmelusion or w1aino, I

g [After discovery, valve was opened and system was returned to service. Plant personne1 1

[ igg l have been reinstructed and procedures will be revised to prevent recurrence. l

[i la i l Procedure UNP-1 135P,will be revised by 10-11-79.

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