ML20212F812

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Forwards Evaluation for Effects of Dresden Unit 3 Polyurethane Fire in Response to Items Identified in Insp Rept 50-249/86-06 on 860128-0213 Associated w/860120 Fire in Drywell Expansion Gap
ML20212F812
Person / Time
Site: Dresden Constellation icon.png
Issue date: 05/06/1986
From: Farrar D
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20212F816 List:
References
1660K, NUDOCS 8701120178
Download: ML20212F812 (2)


Text

...

-/7 Commonwealth Edison

) One First Nat. oral Plua, Chicago. Illinois V

c I

T Address Reply to: Post Office Box 767 j

Chicago, I!!irois 60690 l

l May 6, 1986 l

Mr. James G. Keppler Regional Administrator U.S. Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137

Subject:

Dresden Station Unit 3 Response to Inspection Report No. 50-249/86-006 NRC Docket No. 50-249 Reference (a): Letter from C. J. Paperiello to Cordell Reed dated February 26, 1986.

Dear Mr. Keppler:

This transmittal is in response to the inspection conducted by your staff on January 28, 29 and February 7 and 13, 1986 of circumstances associated with the January 20, 1986 fire in the Dresden Unit 3 drywell expansion gap. Although no violations of NRC requirements were identified during the inspection, reference (a) requested that we respond to the open items identified in Section 3 of the Inspection Report.

The enclosed report provides an overall evaluation of the fire and its consequences. The Appendix to the report specifically addresses the open items from the Inspection Report with the exception of item 3m, Emergency preparedness Concerns. We are currently reviewing this item in the General Office and will provide a response at a later date.

Section VII of the report provides a Fire Hazards Analysis of the expansion gap and provides the basis for an exemption to Appendix R Section III.G.3.

An exemption request is currently being prepared for submittal to NRR.

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Mr. J. G. Keppler May 6, 1986 If you have any further questions on this matter, please direct them to this office.

Very truly yours, l

A D. L. Farrar Director of Nuclear Licensing Im Attachment cc:

H. R. Denton - NRR R. A. Gilbert - NRR NRC Resident Inspector - Dresden 1660K J

.