ML20029C402

Informs of NRC Issuance of Info Notice 91-022, Four Plant Outage Events Involving Loss of AC Power or Coolant Spills, Addressing Events Occurring During Shutdown Operations.Loss of DHR During Shutdown Concerns NRC Greatly

ML20029C402
Person / Time
Site:	Pilgrim
Issue date:	03/21/1991
From:	Murley T Office of Nuclear Reactor Regulation
To:	Gina Davis BOSTON EDISON CO.
References
IEIN-91-022, IEIN-91-22, NUDOCS 9103270372
Download: ML20029C402 (3)

Text

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Docket No. 50 293 i

Mr. George W. Davis Senior Vice President. Nuclear Boston Edison Company-Pilgrim Nuclear Power Stai; ion

. PJD #1, Rocky Hill Road Plymouth, Massachusetts 02360

SUBJECT:

0PERATIONAL EVENTS WHILE SHUTDOWN The NRC has just issued Information Notice 9122. "Four Plant 0utage Events Involving Loss of AC Power or Coolant Spills," which addresses recent events that occurred during shutdown operations.

The chief purpose of this'information notice is to notify each licensee that

-the high rate of-procursor events to loss of decay heat removal.during shutdown is a source of concern-to the NRC. All of the events discussed in this information notice occurred ~during a. one. week period in March 1991. Because of the potential for. loss of a critical safety function.in these and similar-events..lzbelieve a high;1evel of management attention is required in the

! planning, coordination, and execution of shutdown operations.

While this information notice does not require specific licensee action or.

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. response,-I urge you to give this.important matter your personal attention.

j Sincerely, oririnni sianod by shomas I. Muricy l

Thomas E. Murley, Director Office of Nuclear Reactor Regulation cc: Se'e next'page C IFDI.3/LA

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.0FFICIAL-RECORD. COPY Document..Name:.LTR.T0 BOSTON EDISON 91g3270372910321" yo ;

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i Mr. George W. Davis Pilgrim Nuclear Power Station L

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Mr. R. A. Anderson Mr. H. Vernon 0heim Vice President of Operations Manager, Nuclet? Engineering Department and Station Boston Edison Company Pilgrim Nuclear Power Station 25 Braintree Hill Park RFD'#1 Rocky Hill Road Braintree, Massachusetts 0?l84 Plymouth, Massachusetts 02360 Ms. Elaine D. Robinson Resident Inspector Nuclear Information Manager U. S. Nuclear Regulatory Commission Pilgrim Nuclear Power Station Pilgrim Nuclear Power Station RfD #1, Rocky. Hill Road

, Post Office Box 867 Plynouth, Massachusetts 02360 Plymouth, Massachusetts 02360 Mr. Janes Roche Chairman, Board of Selectmen Secretary of Public Safety 1

11 Lincoln Street Executive Office of Public Safety Plymouth, Massachusetts 02360 One Ashburton Place Office of'the Commissioner Massachusetts De)artment of Mr. David Rodham, Director Environmental ?rotection Massachusetts Civil Defense Agency One Winter Street 400 Worcester Road Boston, Massachusetts' 02108

-P.O. Box 1496 Framingham, Massachusetts 01701-0317 Office of the Attorney General Attn James Muckerheide.

One Ashburton Place 20th Floor

' Chairmen, Citizens Boston, Massachusetts 02108 Urging Responsible Energy P. O. Box 2621 Mr. Robert M; Hallisey, Director Duxbury, Massachusetts 02331

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Radiation Control Program.

Massachusetts Departrent of -

Public Health 3

150 Tremont. Street,' 2nd Floor i

Boston, Massachusetts 02111 Regional Administrator, Region-I U. S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia,;Per?sylvania 19406 fir. John Dietrich Licensing Division Manager i

Boston Edison Company.

25 Braintree Hill Park Braintree, Massachusetts 02184 i.

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Docket 50-293 NRC PDR LPDR PDI-3. Reading i

S. Varga E. Greenman M. Rushbrook R.'Eaton 000 E. Jordan ACRS(10)

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