ML20237B162

Provides Clarification to Exemption Request 5.2 in Anticipation of Upcoming Facility App R Audit,Per Response to NRC Positions Prescribed in 831019 Generic Ltr 83-33

ML20237B162
Person / Time
Site:	Quad Cities
Issue date:	12/09/1987
From:	Johnson I COMMONWEALTH EDISON CO.
To:	Murley T Office of Nuclear Reactor Regulation
References
3945K, GL-83-33, NUDOCS 8712160064
Download: ML20237B162 (2)

Text

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^ Ccmm:nwtilth Edisen One First National Plaza, Chicago, Illinois U Address Reply to: Post Offce Box 767.

Chicago, Illinois 60690 0767 December 9, 198~1 l

l Mr. Thomas E. Murley, Director Office of Nuclear Reactor Regulation 1

U.S. Nuclear Regulatory Commission Washington, DC 20555

Subject:

Quad Cities Station Units 1 and 2

" Clarification to Appendix R Exemption Request 5.2" NRC Docket Nos. 50-254 and 50-265

Reference:

Letter from I.M. Johnson to T.E. Murley ]

dated December 18, 1984  :

Dear Mr. Murley:

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i In the above referenced letter, Commonwealth Edison Company submitted a re-evaluation report pertaining to 10 CFR part 50, Appendix R for Quad '

Cities Nuclear. Power Station in response to NRC Staff positions prescribed in-Generic Letter 83-33, dated October 19,-1983. This report provided several Exemption Requests from the Requirement of 10 CFR 50,. Appendix R. Exemption 3 5.2, " Justification for Lack of complete 3-Hour Fire Barriers Between the' )

Southern and Central Zone Groups" requires clarification. In addition to the open doorway between the Western portion of the Central Zone Group (Fire Zone 8.2.6.C) and the Unit 1 CRD pump Area (Fire Zone 8.2.3.A) there are two 3 foot diameter openings for the man-lift. Also..a 10' x 10' pipe hatch between these areas is open at the condensate pump level (Fire Zone 8.2.1.A). As with the doorway opening, there is no continuity of combustibles between the zone j groups near these openings and automatic sprinkler protection is provided for '

j fire zones 8.1.2.A and 8.2.3.A.

This letter is being provided as clarification to the exemption request 5.2 in anticipation of the upcoming Quad Cities Station Appendix R audit.

B712160064 ADOCK hh54 PDR PDR ,

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T.E. Murley December 9, 1987 Please direct any questions you may have regarding this matter to this office. 1 i

Very truly yours, I

I l I. M. John {

Nuckear Licensing Administrator '

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cc: T. Ross - NRR A.B. Davis - Regional Administrator RIII l J. Holmes - RIII l i

Quad Cities Resident Inspector l

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3945K 1

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