ML20062G274

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Forwards Revised Version of Model Tech Specs Re Reactor Protection Sys Power Monitoring Sys Design Mod.Tech Specs Less Restrictive
ML20062G274
Person / Time
Site: Pilgrim
Issue date: 07/28/1982
From: Vassallo D
Office of Nuclear Reactor Regulation
To: Morisi A
BOSTON EDISON CO.
References
NUDOCS 8208120299
Download: ML20062G274 (3)


Text

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  • O JUL 2 8 IW Docket No. 50-293 Mr. A. Victor liorisi Manager, Nuclear Operations Support Department Boston Edison Company 25 Braintree Hill Park Rockdale Street Braintree, MA 02184

Dear Mr. Morisi:

SUBJECT:

REACTOR PROTECTION SYSTEM (RPS) POWER MONITORING SYSTEM DESIGN MODIFICATION Re: Pilgrim Nuclear Power Station In our September 1,1981 letter on this subject model Technical Specifications for electric power monitoring of the RPS were included for your considera-tion. The enclosure to this letter contains a revised version of the model Technical Specifications which is less restrictive in some of the require-ments than the earlier version.

Sincerely, gghd s'podt1 D. B.Y%S8 Domenic B. Vassallo, Chief Operating Reactors Branch #2 Division of Licensing

Enclosure:

As stated cc w/ enclosure:

See next page DISTRIBUTION: Docket File I&E-1 NRC PDR NSIC LPDR D. Eisenhut ORB #2 Rdg Gray 0 ELD ACRS-10 K. Eccleston S. Norris 8208120299 820728

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NRC FORM 318 (10-80) NRCM 024o OFFICIAL RECORD COPY usam au-sum

Mr. A. Victor Morisi Boston Edison Company cc:

Mr. Richard D. Machon Filgrim Station Manager Boston Edison Company RFD #1, Rocky Hill Road Plymouth, Massachusetts 02360 Henry Herrmann, Esquire Massachusetts Wildlife Federation 151 Tremont Street Boston, Massachusetts 02111 Plymouth Public Library North Street Plymouth, Massachusetts 02360 Resident Inspector c/o U. S. NRC P. O. Box 867 Plymouth, Massachusetts 02360 Ms. JoAnn Shotwell Office of the Attorney General Environmental Protection Division 1 Ashburton Place 19th Floor Boston, Massachusetts 02108 Ronald C. Haynes Regional Administrator, Region I U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406 e

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ELECTRICAL POWER SYSTEMS REACTOR PROTECTION SYSTEM ELECTRIC POWER MONITORING f.IMITING CONDITION FOR OPERATION 3.8.4.4 Two RPS electric power monitoring channels'for each inservice RPS MG set or alternate source shall be OPERABLE.

APPLICABILITY:

At all times.

ACTION:

With one RPS electric power monitoring channel for an' inservice.

a.

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RPS MG set or alternate power supply inoperable, restore the inocerable channel to OPERABLE status within 72. hours or remo'e v

the associated RPS MG s.et or altern, ate power supply from service.

With both RPS electric power monit'orin'g channels" for an inservice b; s RPS.MG set or alternate power supply inoperable, rettore at least..

one to OPERABLE status within 30 minutes or remove the associated

. RPS MG set or alternate power supply from service.

SURVEILLANCE REQUIREMENTS 4.8.4.4 The above specified RP.S power monitoring system instrumentation' P-

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shall be determined OPERABLE:

..g q.m At least once per 6 months by. performance of a CHANNEL FUNCTIONAL a.

TEST, and Atleastonceper18monthsbydemonsfratingtheOPERABILITYof b.

over-voltage, under-voltage and under-frequency protective instrumentation by perfomance of a CHANNEL CALIBRATION including...

simulated automatic actuation of the protective relays, tripping logic and output circuit breakers and verifying the following setooints:

1.

Over-voltage g (132) VAC, 2; Under-voltage g (108) VAC, and 3.

Under-frequency 2 (57) Hz.

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