ML19290A386

Confirms 740712 Telcon Authorization.Notifies of Issuance of Amend 4 to DPR-50,permitting Operation W/Disabled Steam Generator Safety Valves Given Overpower Trip Setting Reduction

ML19290A386
Person / Time
Site:	Crane
Issue date:	07/12/1974
From:	Schwencer A US ATOMIC ENERGY COMMISSION (AEC)
To:	Arnold R METROPOLITAN EDISON CO.
References
NUDOCS 7911060624
Download: ML19290A386 (2)

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I l.i JUL 11 574 AEC PDR LPDR Docket No. 50-289 LWR 2-3 Reading VMoore ASchwencer RBernero Metropolitan Edison Company EGoulbourne ATTN:

Mr. Robert C. Arnold JTourtellotte, OGC Vice President R0 (3)

P. O. Box 542 ACRS (16)

Reading, Pennsylvania 19603 LWR 1 & 2 BCs Centlemen:

The Atomic Energy Commission is issuing Amendment No. 4 to Facility Operating License No. DPR-50 for Three Mile Island Nuclear Station, Unit 1.

This amendment changes Technical Specification 3.4.1 to permit operation of the plant with steam Eenerator safety valves disabled provided the overpower trip setting is reduced as follows:

Maximun Number of Maximum Overpower Safety Valves Disabled On Trip Set Point Any Steam Generator

(! of Rated Power)

O 105.5 s

1 92.4 2

79.4 3

66.3 This letter confirms telephone authorization granted to the Station Superintendent by V. A. Moore on July 12, 1974.

Sincerely, Original Signed by Albert Schwencer A. Schwencer, Chief Light Water Raactors Branch 2-3 Directorate of Licensing ces: See next page 1555 352 e CTC\\ -

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Forma AEC.313 (Rev. 9 33) AECM 0240

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W u. s. novsanesen?,asays.g OFP4CE 1974. 29900

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Mr. Robert C. Arnold ces: CPU Service. Corporation Richard V. Heward, Project Manager Thomas M. Criannina, Jr., Safety and Licensing Manager 260 Cherry Hill Road Parsippany, New Jersey 07054 Pennsylvania Electric Company Vice President, Technical 1001 Broad Street Johnstown, Pennsylvania 15907 George P. Trowbridge, Esquire Shaw, Pittman, Potts & Trowbridge 910 - 17th Street, N. W.

Washington, D. C.

20006 Mr. Weldon 3. Arehart, Chairman Board of Supervisors of Londenberry Township 2148 Poxiana Road Middletown, Pennsylvania 17057 Mr. Charles P. Hoy, Chairman Board of County Countissioners of Dauphin County Dauphin County Courthouse P. O. Box 1296 Harrisburg, Pennsylvania 17018 Miss Mary V. Southhard, Chairman Citizens for a Safe Environment P. O. Box 405 Harrisburg, Pennsylvania 17108 1555 553 or rec s >

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Foran AEC 513 (Rev. M)) AECM 0240 Tt u. s. eovammesumv reinvine orrecas is74.ese.ies