ML19206A310
| ML19206A310 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/04/1978 |
| From: | Varga S Office of Nuclear Reactor Regulation |
| To: | Herbein J METROPOLITAN EDISON CO. |
| References | |
| NUDOCS 7904190256 | |
| Download: ML19206A310 (3) | |
Text
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AUG 07 Distributicn:
NRC ?2ic V. S' core Lccal FDR R. Vollmer 4ccket Fi'o
\\!. Ernst thR 'l File R. Denise R. Boyd ELD R. DeYoun*o IE(3)
Ecc. t s. o:
50-a.20 xe D. \\.assalla F. Willians bec:
S. Varga J. Buchanan, NSIC H. Silver T. Abernathy' TIC
,btropolitan cdiscn Cc::ranv 5I D*##1C*
A'.ED,l.,J l
W. J. G. ".;... c.i' m u-R. Stattson vice Presicent D. Ros3
,c. O. Bcx 24,.
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.. ht ung Reading, Pennsylvania 19603 R. tedesco D. >! aller g
SUPJECT: DIREE MILE ISIAC 12IIT-2 CC.'CADFE 2 %'FI'E VALVE.S In order to arre cc=aletely decent the cperability of the centai.~ent pur e valves at tfI-2 in the event they are open at the tira of a postulated loss-of-coolant accident, we recuire that certain additional infor::atica be provided as identified in the enclosure.
Please inform us of your anticipated schedule for providing this infon::atica within tw weeks of your receipt of this letter.
Sincerely, Origir.al si., ed ' 7 *
- 3. A. larsa Steven A. Vargo, C1ief Light Water Feactors Branch No. 4 Divisica of Project bbnage:::ent
Enclosure:
As stated cc: See next page 7 90419 0 c250
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DP5t: L'.G #4 CFmL'G u.w, or..cm
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NRCEORM 318 (9 76) NROC02b
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Stropolitan Edison Company ccs:
George F. Troweridge, Esq.
Alan S. Rosentnal, Esq. Chairran Shaw, Pittran, Potts & Troweridge Atomic Safety and Licensing 1300 M Straat, N. 4.
Washington, D. C.
20036 U.S. Nuclear Fegulatory Comission Washington, D. C.
20555 Mr. I. R. Finfrock Jetsey Central Power and Light Compay Dr. W. Read Jonnson, Memoer Madison Avenue at Punch Bowl Road Atomic Safety and Licensing Morristown, New Jersey 07960 Apceal Board U.S. Nuclear Regulatory Comission Mr. R. Conrad Washington, D. C.
20555 Pennsylvania Electric Company 1007 Broad Streat Jerome E. Snarfman, Esquire, Mercer Jonnstown, Pennsylvania 15907 Atomic Safety and Licensing Acceal Board Chauncey R. Kepford, Esq.
U.S. Nuclear Regulatory Com ission Chair:ran Washing ton, D. C. 20555 York Committea for a Safa Environment 433 Celando Drive State College, Pennsylvania 16801 Mr. Richard W. Heward Project Manager GPU Service Corporation 260 Cherry Hill Ecad Parsippany, New Jersey 07054 Mr. T. Gary Brougnton Safety and Licensing Manager GPU Service Corporation 260 Cherry Hill Road Parsipcany, New Jersey 07054 U.S. Envirc= ental Protection Agency Region III Office Attn: EIS Coordinator Curtis Building 6tn anc Walnut Streets Fniladalpnia, Pennsylvania 19106 Director, Office of Radiological Healtn repartrent of Environmental Resources P. O. Box 2063 Harrisburg, Pannsylvania 17105 g
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'ndicate ahl Furso se tests : r/a tee-
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torque calculated for *;'e c ;'a ta i n"sn t ar'*
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valves which is reported in s,.mendment :2 (:ec.
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2.
Also in Amencment 59 (Sec. 9.4) of tne F5AR i t is re:orted tnat valve ccm;onent stress levels do not exceec :ne a:!o.ean:e stresses as specifiec in the "Draf t AS!E Code for Fumas an:
.'a l / e s since this draf t code is primarily concerned ni tn pressure : uncary 'ntegr;.,
indicate the criteria used for deterr.ining tne acecuacj c' tre 9:n-pressure boundary ccmconents which are essential for Orcser tal/e closure and sealing.
3.
Alternatively, demonstrate that tne valves. vill properly seat an:
remain leak tight should no counter torque ce avai acie :se ::
failure of the operator or its connec:ing linkage.
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