ML19338D649

LER 80-045/03L-0:on 800816,fitting on Hydraulic Oil Line Ruptured Spraying Oil on Hot Steam Pipes & Producing Heavy Smoke.Fitting Ruptured Due to Normal Usage & Was Replaced. Valve Group Was Isolated to Prevent Addl Oil Loss

ML19338D649
Person / Time
Site:	Fort Saint Vrain
Issue date:	09/15/1980
From:	PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19338D645	List: ML19338D644 ML19338D649
References
LER-80-045-03L, LER-80-45-3L, NUDOCS 8009230604
Download: ML19338D649 (1)

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8 60 61 DOCK E' t.UM8ER 68 60 EVENT DATE 74 75 REPORT CATE 80 EVENT DESCRIPTION AND PROBA3LE CCP.GEQUENCES h lo (2l l On August 16, 1980, during a plant shutdown, a fitting on a hydraulic oil line for I io;3; l PV-2244, reheat steam bypaCs valve, ruptured. The hydraulic oil sprayed on the hot l g o ;4; l steam pipes produced thick and heavy smoke; the local fire department was called for l l o 151 l assistance. The leak resulted in the 91 system Loop 2 group 2 being isolated, the l I o is I l secondarv Loop 2 beino, shutdown and isolated, and a manual scram being inserted. No l la;,j l affect on public health or safety. No related events. l lo tsi i I 7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CCCE CCCE SUSCCCE COMPCNENT C00E SUSCCC E SU8CCDE loisl 7

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l3 lo;[The fitting ruptured at the beginning of the threaded area due to normal usage and wast l replaced. The valve group was isola:ed to prevent further oil loss, and the secon- l 1*i2l l darv loop was shutdown as required Tier I.CO 4. 3. 7. A fireuntch was sentioned in N I lil31 ] area and cleanun becan as scon as area tenceratures allo"ed. l ,

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