ML20136J527

Submits Changes to TS Bases for Section 3.10, Core Alterations for Pilgrim Station.Rev Does Not Constitute Amend to License or Prior NRC Approval.Revised Pp 192 Attached

ML20136J527
Person / Time
Site:	Pilgrim
Issue date:	03/07/1997
From:	Boulette E BOSTON EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20136J533	List: ML20136J527 ML20136J550
References
BECO-2.97.027, NUDOCS 9703200132
Download: ML20136J527 (2)

Text

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' 10CFR50.59 g 10CFR50.36(a)

Boston Edison Pdgorn Nuclear Power station Rocky He Road Plymouth. Massachusetts 02360 March 7, 1997 E. T. Boulette, PhD Senior Vice President - Nuclear BECo Ltr. 2.97.027 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Docket No. 50-293 License No. DPR-35 Chanctsp Technical Specification Bases for Core Alterations  !

The Technic'al Specification (TS) Bases for Section 3.10 " Core Alterations" for Pilgrim Station have been revised. These Bases include a discussion of " Spiral Unloading" which was inserted into the Pilgrim Technical Specifications in Amendment 39 (BECo letter November 21,1979, NRC letter January 8,1980) and modified by a change transmitted in a BECo letter dated May 7,1991 (included with Amendment #137 dated June 19,1991).

During the last cycle, Pilgrim was operated with some control rods completely inserted to suppress indications of a damaged fuel pin. During the current refueling outage, it was desirable to remove the suspect fuel bundles early to begin inspection and reconstitution of the damaged bundle. Because a spiral unloading of the fuel was planned, a change to the " Core Alterations" Bases was necessary to allow removal of suspect fuel bundles out of the planned sequence.

We performed a 50.59 safety evaluation (#3051) that concluded removing fuel from five cells is acceptable provided the fuel bundles removed do not completely surround and isolate a source range monitor from the rest of the core.' We therefore, have proceeded with a change to the " Core Alterations" Bases.

In accordance with 10CFR50.36(a), bases are not a part of the Technical Specifications. Therefore, this Bases change does not constitute an amendment to the operating license and prior NRC approvalis not required. However, this change has been reviewed by the senior management and the Pilgrim Operations Review Committee. Please incorporate this Bases change into your copy of

'le Pilgrim Nuclear Station Technical Specifications by replacing page B3/4.10-2 with the attached .

Revision 192 page.

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Attachment:

TS Revision 192 E. T. Boulette, PhD 9703200132 970307 i hDR ADOCK 05000293- PDR %5%h [

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' U.S. Nuclear Regulatory Commission

. Page 2 cc: Mr. Alan B. Wang, Project Manager Project Directorate I-1 Office Of Nuclear Reactor Regu'ation Mail Stop: 1482 1 White Flint North 11555 Rockville Pike Rockville, MD 20852 U.S. Nuclear Regulatory Commission Region 1 475 Allendale Road King of Prussia, PA 19406 Senior Resident inspector Pilgrim Nuclear Power Station Mr. Robert Hallisey Radiation Control Program Center for Communicable Diseases Mass. Dept. of Public Health 305 South Street Jamaica Plain, MA 02130 Mr. Peter LaPorte, Director Massachusetts Energy Management Agency 400 Worcester Road P.O. Fox 1496 ,

Framingham, MA 01701-0313 Attn: Mr. James Muckerheide  !

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