ML19317F980

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RO-76-03:on 760318,routine Insp of Plant Equipment Revealed Leakage from Weld on Bypass Line to Makeup Pump Suction Isolation Valve.Caused by Defective Weld.Dye Penetrant & Hydro Tests Will Be Performed on Rewelded Line
ML19317F980
Person / Time
Site: Rancho Seco
Issue date: 04/15/1976
From: Colombo R, Eisenhuth F
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F848 List:
References
NUDOCS 8002210685
Download: ML19317F980 (1)


Text

UCENSEE EVENT REPOPI

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7 89 14 1b 25 28 30 31 32 CATEGORY 77P S A DOCKET NUM8EA EVENT CATE REPORT DATE 1 CONT l M l Il (L_j lL l l 0l 5l 0l-l 0l 3l1 l2 l l 0l 3l 1l 8l 7l6 l l 0 l 4 l 1l 5l 7l 6l 7 8 57 50 59 60 61 68 69 74 75 80 EVENT OESCRIPTION BE I It was reported on March 18, 1976, that a routine inspection of plant equipment l

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BE I revealed leakage from a weld on the bypass line to the makeup pump suction isolation l Ti 7 89 80

$ l valve. A temporary weld was made to orevent leakace until the unit was shut down.

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CAUSE DESCRIPTION r

6 e l It was determined that the cause was a defective weld. Vibration readings did not l

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@ l indicate that to be a nossible cause. A Work Request was filed for rewelding the l

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80, J dvn nonnernne roaring nnd hyden renring the reunld in ncenrdance with annroved l

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FACUTv METHCo Cr Procedures.

STATUS 4 POWER OTHER STATUS DISCOVERY OlscOVERY DESCAtPTON W

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to 12 13 44 45 46 80 ACTMTV CONTENT AMOUNT OF ACTMTV LOCATCN OF AELEASE AELEASED OF AELEASE l y

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PERSONNEL EXPOSURES NUMGEf; TYPE DESCA1PTON EE l0 l 0 l 0l (Z_j l NA l

7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCAlpTON M 1010101 1

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7 89 11 12 80

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OFFSITE CONSEGUENCES

.~ i 15 l Minimal to none l

7 89 80 LOSS OR DAMAGE TO FAC!LITY TYPE DESCRIPTON 1

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1 7 89 10 80 PUBLICITY -

17 l Sacramento Union and Sacramento Bee notified March 31, 1976 l

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ADDITIONAL FACTORS

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8002.210 6 75-I

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7 89 80 om senhuth NAME:

PHONE:

GPO 885 667