As you requested at our meeting on December 20, 1999, enclosed is a revised copy of the draft outline of a risk-informed industry method for addressing the issue of fire induced circuit failures (hot shorts, shorts to ground, or open circuits). Attached to this draft is a revised description of three generic tasks still in progress that are central to completion of the industry method. Also enclosed is a revised schedule for activities to support issue resolution. As with our December 14 transmittal, these enclosures should be considered outlines rather than full descriptions of the method, and should be considered works in progress. They do not represent firm industry positions, but rather a substantive description of a suggested industry approach. We request that NRC staff review these documents in the same spirit that industry reviewed drafts of the NRC Fire Protection Risk Significant Screening Method and the baseline inspection procedures- as working documents subject to further optimization through comment. We have additional work in the near future to further develop the method, but welcome feedback at any time that would help achieve an acceptable outcome. Please call me at 202-739-8084 if you have further questions. Sincerely, David J. Mo ee
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