ML20064J675

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Responds to IE Bulletin 79-04,Incorrect Weights for Swing Check Valves Mfg by Velan Engineering Corp. No Such Valves Are in Use in Seismic Category I Piping Sys
ML20064J675
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date: 05/02/1979
From: Groce R
VERMONT YANKEE NUCLEAR POWER CORP.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
WVY-79-54, NUDOCS 7906130114
Download: ML20064J675 (1)


Text

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i VERMONT Y AN KEE NUCLEAR POWER CORPOR2 N

v SEVENTY sEvEN GROVE STREET RuTLAso, Veasoxr osvoi WY 79-54 nu,a vo, ENGINEERING OFFICE TURNP!KE RO AD WESTBORO, M ass ACHUSEM 01H1 Ma7 2, 1979 vs

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.i m..-,osi United States Nuclear Regulatory Commission Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406 Attention: Office of Inspection and Enforce =ent Mr. Boyce H. Grier, Director

References:

(a) License No. DPR-28 (Docket No. 50-271)

(b) USNRC letter to VYNPC dated March 30, 1979

\\

I & E Bulletin No. 79-04

Dear Sir:

Subject:

Response to I & E Bulletin No. 79-04 In response to Reference (b), Vermont Yankee Nuclear Power Corporation hereby submits the following infor=ation relative to swing check valves manufactured by the Velan Engineering Corporation.

We have completed a survey to determine if 3, 4 or 6 inch diameter swing check valves, manufactured by Velan, are currently in use at Vermont Yankee. Based on information available we have con-cluded that none of the subject valves are in use in Seismic Category I piping system.

5 We trust this information is satisfactory; hcwever, should you have any questions please feel free to contact us.

Very truly yours, VERMONT YANKEE NL* CLEAR POWER CORPORATION N

Robert H. Groce Licensing Engineer RTT/s=w 790613 0 ll'/

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