ML19210B176
| ML19210B176 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 11/12/1974 |
| From: | Lear G US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Arnold R METROPOLITAN EDISON CO. |
| References | |
| NUDOCS 7911040104 | |
| Download: ML19210B176 (2) | |
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DISTRIBUTION:
AEC PDR Local PLR Docket File KRGoller NOV 121974 TJCarter DJaffe Docket No.
50-289 ORB Reading SATeets OGC R0 (3)
Metropolitan Edison Company GLear ATTN: Mr. R. C. Arnold ACRS (16)
Vice President i
P. O. Box 542 Reading, Pennsylvania 19603 Gentlemen:
There is a certain degree of ambiguity regarding the technical specification of the maximum allowable heat-up and cool-down rates for the primary system.
The problem involves the time interval over which the specified temperature change is to be averaged. As an example, Technical Specification for Three Mile Island (TMI) Unit i limits the primary system heat-up rate to 50*F/hr at 550 pai. This could be interpreted to be equivalent to 5*F/6 min. In order to increase operational flexibility and to decrease the possibility of a Technical Specification violation, beat-up and cool-down rates, wherever specified, should be expressed in the number of degrees change "in any one hour".
Accordingly, please tabmit an application to change the appropriate parts of the Technical Specifications for TMI Unit 1.
Your application for amendment to the licence should be submitted within i
30 days from the date of this letter in three signed notarized originals and 37 conformed copies.
Sincerely, Original Signed George Lear, Chief Operating Reactors Branch #3 Directorate of Licensing cc: See next page 1537 106 b
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NOV 121974 Metropolitan Edison Company cc:
Pennsylvania Electric Company Mr. Ihomas M. Gerusky, Director Vice President. Technical Office of Radiological Health 1001 Broad Street Department of Pavironmental Johnstown, Pennsylvania 15907 Resources P. O. Box 2063 George P. Trowbridge Harrisburg, Pennsylvania 17105 Shaw, Pittman, Potts & Trowbridge 910 - 17th Street, N. W.
Washington, D. C.
20006 GPU Service Corporation Richard W. Heward, Project Manager Thomas M. Crimins, Jr., Safety and Licensing Manager 260 Cherry Hill Road Parsippany, New Jersey 07054 Mr'. Weldon B. Archart, Chairman Board of Supervisors of Iondonberry Township 2148 Foxiana Road Middletown, Pennsylvania 17057 Miss Mary V. Southard, Chairman Citizens for a Safe Envirornannt P. O. Box.405 Harrisburg, Pennsylvania 17108 Dr. Edward O. Swartz Board of Supervisors Londenberry Township RFD #3, Geyers Church Road Middletown, Pennsylvania 17057 Mr. Charles P. Hay, Chairman Board of County Comissioners of Dauphin County Dauphin County Court House P. O. Box 1295 Harrisburg, Pennsylvania 17120 Mr. R. A. Heiss, Coordinator
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