ML19321B317

Outlines Proposed Schedule for Torus Mods,Per 800625 Telcon. Last Two Items Listed Will Be Implemented Only If Further Analysis & Testing Shows Need.Mods Would Not Be Completed Until Fall 1981 Refueling Outage

ML19321B317
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	07/25/1980
From:	Rich Smith VERMONT YANKEE NUCLEAR POWER CORP.
To:	Ippolito T Office of Nuclear Reactor Regulation
References
WVY-80-107, NUDOCS 8007310385
Download: ML19321B317 (2)

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VERMONT Y AN KEE NUCLEAR POWER CORPORATION

.J SEVENTY SEVEN GROVE STREET B.3.2.1 RUTLAND, VERMONT 05701 WVY 80-107 RE PLY TO:

ENGINEEPING OFFICE TURNPlKE RO AD July 25, 1980 wEsrsORO. M ass ACHUSETTS 01581 TELEPHONE 617-366 9011 United States Nuclear Regulatory Commission Washington, D.C.

20555 Attention:

Office of Nuclear Reactor Regulation Mr. T. A. Ippolito, Chief Operating Reactors Branch #2 Division of Licensing

Reference:

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

Subject:

Proposed Schedule for Torus Modifications at Vermont Yankee

Dear Sir:

This letter is written to document information given to Mr. V. Rooney of your staff during a telephone conversation on June 25, 1980.

Mr. Rooney requested information regarding Vermont Yankee's present schedule for the modifications required by the Mark I Program. Our proposed schedule is Please note that the last two items listed are to be presented below..

implemented only if further analysis and testing shows them to be necessary.

This analysis and testing cannot be completed prior to the end of the 1980 refueling outage; th ere fo re, these modifications, if required, would not be completed until the refueling outage scheduled for the fall of 1981.

Refueling Outage, September 1980 Modifications:

1.

Saddles 2.

Vent Header Deflectors 3.

Down Comer Tie Straps 4.

T-Quenchers 5.

SRV Vacuum Breakers 6.

Minor Modifications to Internal Piping Supports and Catwalk 7.

RHR Internal Elbow 8.

Torus /Drywell Vacuum Breaker Disc Replacement Refueling Outage, Fall 1981 Modifications:

1.

SRV Line Re-support (if required) 2.

Torus External Attached Piping Re-support (if required) 80 07310385 l

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U.S. Nuclear' Regulatory Connaission July 25, 1980 Attention Mr. T. A. Ippolito, Chief Page 2 We trust:this information is satisfactory.

Very truly yours,

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VERMONT YANKEE NUCLEAR POWER CORPORATION 4

j R. L. Smith Licensing Engineer RLS/kaf:

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