ML19262A384

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Corrects Re Msivs.Ref Made to Y-pattern Globe Valve Changed to Angle Nonreturn Valve. Swing Check & Angle Nonreturn Valves Not Present at TMI-1;no Action Required
ML19262A384
Person / Time
Site: Crane 
Issue date: 06/18/1975
From: Lear G
Office of Nuclear Reactor Regulation
To: Arnold R
METROPOLITAN EDISON CO.
References
NUDOCS 7910260708
Download: ML19262A384 (2)


Text

DISTRIBUTION:

NRC PDR AGiambusso Local PDR RMaccary Docket JKnight ORB #3 Rdg EIGne JUN 1 8 G75 KRGoller CTrammell TJCarter DBridges Docket No.'50-239 GLear JWetmore E3HTN OELD Metropolitan Edison Company OISE (3)

ATTN: !!r. R. C. Arnold ACRS (14)

Vice President - Generation DEisenhut P. O. Box 547 SATeets Reading, Pennsylvania 19603 TBAbernathy SVarga Gentlemen:

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Our letter to you of May 27, 1975 on the subject of main steam isolation valves cor ained an error involving valve nomenclature. In the letter and the enclosure, the reference to a "Y-pattern globe valve" should have been

angle non-return valve". The valve failure which occurred during startup involved an angle non-return valve of the lift-check type and not a Y-pattern globe valve.

Since it is our understanding that Three Mile Island Unit I does not have either swing-check or angle non-roturn valves, no further action with respect to our letter of May 27, 1975 is necessary. We regret any inconvenience the error may have caused.

Sincerely,

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Geor/e Lear, Chief Operating Reactors Branch #3 Division of Reactor Licensing cc: See next page 1485 266 y

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G. F. Trowbridge, Esquire Shaw, Pittman, Potts, Trowbridge 6 Madden Barr Building 910 17th Street, N. N.

Wash *ngton, D. C.

20006 GPU Service Corporation Richard W. Heward, Project Manager Thomas M. Crimmins, 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 Mr. Weldon B. Arehart, Chairman Board of Supervisors of Londonberry Tevnship 2148 Foxiana Road Middletown, Pennsylvania 17057 Miss Mary V. Southard, Chairman Citizens for a Safe Environment P. O. Box 405 Harrisburg, Pennsylvania 17108 Government Publications Section State Library of Pennsylvania Box 1601 (Education Building)

Harrisburg, Pennsylvania 17126 1485 267

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