ML20004F042

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Responds to IE Bulletin 81-02, Failure of Gate Type Valves to Close Against Differential Pressure. No Westinghouse or Borg-Warner-NVD Valves Installed in safety-related Sys
ML20004F042
Person / Time
Site: Humboldt Bay
Issue date: 06/03/1981
From: Shiffer J
PACIFIC GAS & ELECTRIC CO.
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
IEB-81-02, IEB-81-2, NUDOCS 8106160434
Download: ML20004F042 (2)


Text

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es PACIFIC CAS AND ELECTR,IC C O MPANY h h W.f.J l

77 BEALE STREET

  • SAN FRANCISCO. CALIFORNI A 94106* (415,1814211
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June 3, 1981 Mr. R. H. Engelken, Directar Office of Inspecticn and Enforcement P

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U. S. Nuclear Pegulatory Ccmnissian

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Dear fir. Engelken:

/14I This letter is in response to IE Bulletin 81-02. The subject bulletin requested each plant to ascertain whether any Westinghcuse-EMD 3-inch or 4-inch valves or Borg-Warner-NVD 3-inch 1500-pcond motor cperated gate valves have been installed, or are maintained as spares. None of the subject valves are installed in safety-relatcd systems or maintained as Spares at Humboldt Bay Power Plant Unit tb. 3.

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s Mr. R. H. Engelkan June 3, 1981 It is estimated that approximately 3 manhours have been expended in the review and preparation of the report required'y this bulletin.

r Very truly yours,_

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sworn to before me this 3r d f

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P RITA J. GREEN

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NOTARY PUBLIC-CAllFORNIA

  • 3RtaJ. Green,p Public in CITY AND COUNTY OF and for the City County of

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g of N U d My Commission er u y 16 1983 y My'Ccmnission e:@ ires July 16, 1983 Malcolm H. Furbush Philip A. Crane, Jr.

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' Philip A Crane, J.

OC: Director Office of Inspection and Enforcenent U. S. Nuclear Regulatory Ccmnission Washingtcn, DC 20555 Director Docunent Managenent Branch U. S. Nuclear Regulatory Ccmnission Washingtcn, DC 20555

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