ML20151C230

AO 15-75:on 750530,fuel Pool & Reactor Drain Valve CV/4027 Found Leaking During Isolation Valve Integrity Testing.Cause Being Investigated

ML20151C230
Person / Time
Site:	Big Rock Point File:Consumers Energy icon.png
Issue date:	05/30/1975
From:	Sewell R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20151C218	List: ML20151C215 ML20151C220 ML20151C225 ML20151C228 ML20151C230
References
AO-15-75, NUDOCS 8103110749
Download: ML20151C230 (2)

Text

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1. REPORT NO- AO 75 DGCKET- 50-155 m

2 A. REPor.T DATE- 5-30-75 , SF.1201 (R549)

25. OCCURRENCE D ATE- 5-30-75

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3. FACILITY- i 10 ROCK POINT PL ANT

4. IDENTIFIC ATION OF OCCURRENCE- CONT AINMENT ISOLATION VALVE LEAK AGE DURING TEST / REACTOR BRAIN V ALVE CV/4027/

(* .::a . ~. O q 5 ' ' ~ C'ON DITI ON S 'PRI'OP. 7 0 ' OCCORR'EN CE '-' P L'AN I'*1 N ' C'OLD SHUT l G. DESCRIP. TION OF0. CClFtRENCE ,DURING ROUTINE TESTING OF ISOL ATION ,

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V ALVE INTEGRITY, IT W AS NOTED TH AT THE' FUEL POOL AND *.E ACTOR - ,.

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                           *3R AIN V ALVE CV/4027/ LE AKED UNDER THE ' TEST ' PRESSURE ' AT 380 MIL-LILITERS PER TWO MINUTES.                        THE' TEST W AS TERPIN ATED AND REPORTED
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W y_. . : __ _ ( s ( L ( 7. DESIGN ATION OF APP ARENT C AUSE OF OCCURRENCE- EX ACT C THROUGH V ALVE LEAK AGE IS BEING INV ESTI G ATED. < o E. AN ALYSIS OF OCCURRENCE- THE OUTER V ALVE CV/4117 IN SERI e P ROV EN TO BE LEAK TIGHT AND THUS PROVIDED CONT AINMENT INTEGR , THUS, NO HAZAR9 IS DEEMED TO HAVE EXISTED DUE TO THIS DEFICIENCY,

3. CORRECTIVE ACTION- INVESTIG ATION IN PR OGRESS.

10. F AILURE D AT A- NOT APPLIC ABLE AT THIS TIME.

RALPH B SEWELL y,, f UglEAR LICENSING A DMINISTRATOR CBW C O'!SUMERS POWER COMP ANY CC: DIVISION OF REACTOR LICENSING WASHINGTON, DC C J HARTMAN, BIG ROCK PL ANT j., . .. . . , . .,.

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