ML19332B311

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Forwards LER 80-032/01T-0
ML19332B311
Person / Time
Site: Pilgrim
Issue date: 09/22/1980
From: Machon R
BOSTON EDISON CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19332B312 List:
References
80-231, NUDOCS 8009260480
Download: ML19332B311 (1)


Text

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()O CCUPAnf PILCRIM fJUCLEAR PCwcR SrATION RF*D #1 Rccxy HILL RcAo PLywouTH, MAssAcHuscTTs C236C l

September 22, 1980 BEco Ler #80-231 Director, Region I Office of Inspection and Enforcement U. S. Nuclear Regulatory Consnission l

631 Park Avenue King of Prussia, PA 19406 Licensee Event Report 80-032/01.T-0 Docket Number 50-293 License DPR-35 __

Gentlemen: l I

The attached Licensee Event Report 80-032/01T-0, "Drywell Temperature", is >

hereby submitted in accordance with the requirements of Pilgrim Nuclear Power ,

Station Technical Specification 6.9.B.1. This report was not submitted earlier I because it was believed that the original assumptions were invalid in that a saturated reference leg was used to determine setpoints instead of a sub-  ;

cooled reference leg. On Sept. 22, 1980 af ter discussions with resident NRC Inspectors a d Plant Support Group personnel it was learned that sub-cooled conditions were used in the calculations.

It there are any questions on this subject, please contact us.

- Respectfully submitted, R. D. M hon Nuclear Operations Manager Pilgrim Station CJM:ep

Enclosures:

(3 copies)

LER 80-032/01T-0 cc: Director (40 copies)

Office of Management Information and Program Control U. S. Nuclear Regulatory Commission Washington, D.C. 20555 i

aosseeg g .