ML20137X124

Forwards Safety Evaluation Based on Util 850830,0910,11 & 23 Requests for Authorization to Operate at Max 8% Power,For Up to 45 Days,To Remove Moisture from Rcs.Authorization Granted,Subj to Listed Commitments

ML20137X124
Person / Time
Site:	Fort Saint Vrain
Issue date:	09/30/1985
From:	Martin R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Lee O PUBLIC SERVICE CO. OF COLORADO
Shared Package
ML20137X130	List: ML20137X124 ML20137X141
References
CAL-85-04, CAL-85-4, TAC-59787, NUDOCS 8510040460
Download: ML20137X124 (3)

Text

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SEP 3 01985 Docket: 50-267/ CAL 85-04

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Publ'ic Service Company of.C'olorado ATTN: 0. R. Lee, Vice President Electric Production P. O. Box 840 Denver, Colorado 80201-0840 Gentlemen:

> My letter of July'19,1985, confirmed your commitments and authorized the

. restart and operation of Fort St. Vrain (FSV) at a power level no greater than

. 115%. Your letters of August 30, September 10, 11, and 23, 1985, requested

= authorization to operate FSV at a power level no greater than 8% for a period

'of up to 45 days,.not to extend beyond November 30, 1985.

We have reviewed and evaluated your additional submittals and we have verified. acceptable implementation of established procedures. We find it acceptable.for FSV to be operated up to 8% of Rated Thermal Power to remove moisture,from the reactor coolant system. This authorization is based on the availability and capability of the liner cooling system to be satisfactorily placed in service and operated to remove core decay heat t subsequent to a postulated High Energy Line Break (HELB). Our evaluation of the acceptability of operating FSV in this mode is contained in the enclosed Safety Evaluation.

In authorizing the restart and operation of FSV, we understand that you have committed to the following actions:

1. With exception of the FSV plant power level, all other commitments l contained in the July 19, 1985 Confirmatory A: tion Letter continue to apply.

2. Unless authorized by the NRC to proceed, PSC will restrict the FSV power

! level to no greater than 8% of the licensed thermal power level.

3. Power operation of the FSV plant to remove moisture utilizing nuclear

heat will be restricted to maximum of 45 days from the date of this j letter, not to extend beyond November 30, 1985.

CERTIFIED MAIL - RETURN RECEIPT REQUESTED AI 85-510 8510040460 850930 l PDR ADOCM 05000267 y\ l

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Public Service Company of Colorado . Verification th'at the operation.of the liner cooling system can be

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established totally by manual actions.

.5. The required procedures have been provided for manual operation and verification of operation of the liner cooling system and the required operations personnel training in the use of the procedures for manual operation and verification of the liner-cooling system I has been completed prior to assuming shift duties.

If your understanding of these. commitments is not the same as ours, please contact this office immediately at (817) 860-8100.

Sincerely, Iws..a hva by j nug 3. vi. c' Robert D. Martin Regional Administrator

Enclosure:

As stated l cc: see next page l

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cc:

C. K. Millen, Senior Vice President Public Service Company of Colorado

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P. 0. Box 840.

Denver, Colorado 80201 Mr.- David Alberstein,14/159A GA Technologies, Inc.

P. O.

Box 85608 San Diego, California 92138 Kelly, Stansfield & 0'Donnell Public Service Company Building 550 - 15th Street, Room 900 Denver, Colorado 80202 Chairman, Board of County Comm.

of Weld County, Colorado Greeley, Colorado 80631 Regional Representative Radiation Programs Environmental-Protection Agency 1860 Lincoln Street

-Denver, Colorado 80203 Mr. H. L. Brey, Executive Staff Assistant, Electric Production Public Service Company of Colorado P. O. Box 840 Denver, Colorado 80201 J. W. Gahm, Manager, Nuclear Production Division Fort St. Vrain Nuclear Station 16805 WCR 191 Platteville, Colorado 80651 L. Singleton, Manager, Quality Assurance Division (same address) bec distrib. by RIV:

RPB Resident Inspector R. D. Martin, RA RSB Section Chief (SP&ES)

EP&RPB P. Wagner, RSB 'R. Denise, DRS&P RIV File D. Powers, RPB1 E. Haycraft, DRSP/LA COLORADO STATE DEPT. HEALTH J. Miller, ORB 3 CPB/NRR D. Eisenhut, D/DL G. Lainas, DL K.'Heitner, ORB 3 J. Taylor, IE E. Jordan, IE Jane-Axelrad,'IE:HQ Betty Summers, IE:HQ Jo Carson, RIV IE36

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