ML19338G115

Forwards LERs 80-006/03L-0 & 80-005/03L-0

ML19338G115
Person / Time
Site:	Humboldt Bay
Issue date:	10/24/1980
From:	Crane P PACIFIC GAS & ELECTRIC CO.
To:	Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML19338G116	List: 05000133/LER-1980-005-03, /03L-0:on 800926,w/plant Shutdown,Water Seepage Observed Through Cracks in Pavement 4 Ft Above 10-inch Line Connecting Screen Wash Pumps in Fossil & Nuclear Units. Caused by Faulty Installation.Broken Section to Be Replaced 05000133/LER-1980-006-03, /03L-0:on 800926,w/plant Shut Down,Leak Observed in Gate Valve Housing at Screen Wash Pump Discharge 6.Caused by Corrosion & Erosion,Due to Natural end-of-life.Valve Will Be Replaced W/Pratt Monoflange Mk II Butterfly Valve ML19338G115
References
NUDOCS 8010280460
Download: ML19338G115 (1)

Text

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PACIFIC GRAS AND E LE C T RI C C C M PANY LAW DEPARTMENT - 77 BEALE STR E ET, 31ST FLOOR

• SAN F R A NCIS C O, C A LIFO RNI A 94106 * (415) 781 4211 October 24, 1980 Mr. R. H.

Engelken, Director Office of Inspection and Enforcement Region V U. S. Nuclear Regulatory Commission 1990 N. California Boulevard Walnut Creek Plaza, Suite 202 Walnut Creek, California 94596 Re:

Docket No. 50-133 License No. DPR-7

Dear Mr. Engelken:

Pursuant to Section IX.I.2.b. (2) of Appendix A to the Humboldt Bay Unit No. 3 Operating License, en-closed are the Licensee Event Reports LER-80-005/03L-O and LER-80-006/03L-O covering failure of screen wash pumps and gate valve.

These pumps provide shutdown heat removal for the reactor, very truly yours, I

i Philip A. Crane, Jr.

I Enclosures CC w/encs. :

Director i

Office of Management Information and Program Control U. S. Nuclear Regulatory Commission Jy Q Washington, D. C. 20555 N

//

8810280M60

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