ML20149M511

Forwards Safety Evaluation of 841218,851204,860625,0722, 870930,1001 & 1123 App R Exemption Requests.Alteration of Fire Protection Features for Recirculation Pump Motor Generator Acceptable

ML20149M511
Person / Time
Site:	Quad Cities
Issue date:	12/11/1987
From:	Ross T Office of Nuclear Reactor Regulation
To:	Butterfield L COMMONWEALTH EDISON CO.
Shared Package
ML20149M480	List: ML20149M478 ML20149M511 ML20149M530
References
GL-83-33, GL-86-10, IEIN-86-025, TAC-57282, TAC-57283, TAC-61291, TAC-61292, TAC-62024, TAC-62025, TAC-63556, TAC-63557, NUDOCS 8802260086
Download: ML20149M511 (2)

Text

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• DEP.. !! ' 37 17:!7 NE'" HEliME CENIER EEinEjM R

\ e undtTs0 sT ATss NUCLEAR REQULATORY COMM18810N unse,*,otoei, o. c. actes

• • "* Deceeber 11, 1987 Docket hot, 50 154 and 50 265 Mr. L. D. Butterfield, Jr.

Managar hucleer Licensing Post Office lex 767 Commonwealth Edison Company Chicago, Illinois 00690 Dear Mr. Butterfield

$UlJECT: SAFETY EYALUATION FOR EXEMPTION SECTION$!!!.6 FROM THE FIRE PROTECTION REQUIREMENTSOF10CFR50.APPENDIXR42024,62025,63556.AND63557)

(TAC N05, 57282, 57283, 61291, 61292, In response to NRC staff positions on 10 CFR 50, Appendix R prescribed by 19,1943, Commonwealth Edison Company l J

Seneric Letter (GL))83 33, dated Octoberconducted (Ceco,thelicensee an independent reevaluati Subsequently,by nuclear Power Station (QCNPS) fire protection program.18,1944, CEC 4 tubmitted letter dated Decoster reverification efforts which included certain technical exemption requestsSection !!!.4, a from the firt protection requirssents of Appendix R, interim compensatory fire hasards analysis, and detailed descriptions of l unasures (!Ges) in effect at QCNPS (until plant modifications to comply with AppendixRarecompleted). Since this original submittal, based upon further staff guidance (i.e. G' 4610 and IEN 84-25) ard continued self evaluations. ,

Ceco has sutaitted several more letters dated Deces6er 4,1985 June 25,1M6, IN7, and November 23, 1987 July 22, 1988, septsaber 30,1987 Oct l ehich requested additional exemptIsas,ober 1modifIcationofpreviousexe requests, and witheawal of others. During staff review of all Appendix R related subarittals, several site visits were conducted (on September 9,1987 February 23,1987, and October 28,1987) to walk down plant specific configurattens and confer with QCNPI personnel.

Enclosure 1 contains the staff's safety Evaluation (SE) of all Appendix R axemption requests contained in the aforementioned Ceco subetttals except those 1987. Another SE will be issued at a deteo, since and tecluding, Septester 30laterdatewhichwillencompassth Appendix R fire protection requirements of Section !!!.G received to date.

Concurrent with this later $E a farinal regulatory 'Enemption' will be issued The to Ceco and published in the Federal Register by separate correspondence.

subject of ICMs has already been addressed in NRC letter dated December 1.1987 eso226co86eej2Q34 0 PDR ADOCK O PDR Y

i 1

^ - - - - _ - ..

l 2-In acsition to the te:nnical emeraptions mentioned above, Ceco has requested schedular exemptions f rom the provisions of 10 CFR 50.48 for various inconplete plant modifications required by Appendix R. By letter dated December 4,1987, CICo provided a comprehensive list of referenced letters which detailed the chronology of their submittals requesting schedular estmotions for QChP5 fren 10 CFR 50.48, including related status updates on coseletion of Appendia R sedtfications. To date, all plant eD41fications required to congly with Appendix R (except for technical esemptions that were granted or are pending) with only two exceptions. As such, excluding emergency have been completed,lve reisted modifications, schwular exemotions from lighting and RCIC va Consequently, the staff considers the 10 CFR 40.48 are no longer necessary.

status of these schedular exemption requests to be moot, and does not plan any further review effort. The two outstanding nodifications will be addressed at teme later date.

With regard to a letter dated April 9.1M7. Ceco requested NRC staff approval to replace the foes water spray system, used to protect recirculation pump Additionally, motor generator (MG) sets, with a standard water spray system.

this letter highlightad a previous modification in the associated fire detection system which resulted in installation of compensation type thennostats vice name or inferec detectors. The staff recognitet this plant alteration of ,

fire protection features for the recirculation pue, MG sets and finds them acceptable.

Th erry M. Ross, Project Manager Project Directorate 1112 Division of Reactor Projects - 111, !Y, V and Special Projects

Enclosures:

Safety Evaluation cc w/ enclosures:

see attached list 1

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