ML20039E957
| ML20039E957 | |
| Person / Time | |
|---|---|
| Site: | Maine Yankee |
| Issue date: | 12/31/1981 |
| From: | Garrity J Maine Yankee |
| To: | Clark R Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0737, RTR-NUREG-737, TASK-2.K.2.13, TASK-TM FMY-81-189, NUDOCS 8201110657 | |
| Download: ML20039E957 (2) | |
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MAIRE
" HARHEE AmmICPM'ERCOMPAR9*
EDISON DRIVE AUGUSTA, MAINE 04336 g"
_g December 31, 1981 (207)s23-3521 FW-81-18 9 O
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United States Nuclear Regulatory Commission
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Washington, D. C.
20555 Attention:
Office of Nuclear Reactor Regulation
's Divisien of Licensing Operating Reactors Branch #3
/
Mr. Robert A. Clark, Chief y
References:
(a) License No. DPP-36 (Docket No. 50-309)
(b) Letter K. P. Baskin (Chairman CE Owners' Group) to D. G.
Eisenhut (USNRC) dated December 31, 1981.
" Transmittal of CEN-189, ' Evaluation of Pressurized Thermal Shock Effects Due to Small Break LOCA's with Loss of Feedwater for Combustion Engineering NSSS', December, 1981".
(c) USNRC letter to MYAPCO dated December 18, 1981 (d) USNRC letter to MYAPCo dated August 21, 1981.
Subject:
Response to Item II.K.2.13 of NUREG-0737, " Thermal Mechanical Patort"
Dear Sir:
Reference (b) provided a response to Action Plan Item II.K.2.13 generic to CE plants. That response is hereby entered on the Maine Yankee docket by Ie ference.
Action Plan Item II.K.2.13 has evolved into a more general concern now referred to as " pressurized thermal shock". This concern has been the subject of NRC correspondence and reauests for information directed to Maine Yankee, references (c) and (d).
Pressurized thermal shock considerations relating to the scope of II.K.2.13 are discussed in the CE report.
This report constitutes Maine Yankee's response to Action Plan Item II.K.2.13, and also constitutes a partial response to the general pressurized thermal shock issue.
Additional information on the pressurized thermal shock issue will be submitted shortly under separate cover. This additimsi information may include clarification or discussion of the contv.ts of the CE report as it g
applies to Maine Yankee.
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MAINE YANKEE ATOMIC POWER COMPANY US Nuclear Regulatory Commission Decenter 33, 1981 Attn: Robert A. Clark Page Two If there are any questions, please do not hesitate to call.
Sincerely yours, MAINE YANKEE ATOMIC POWER CWPANY M
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John H. Garrity, Dire; tor Nuclear Engineering and Licensing JHG/bjp Enclosure