BY JOHN FLYNNThe success of an aggressive interior attack in a structure fire depends largely on the effectiveness of roof operations. Primary roof operations consist of size-up, roof access, and ventilation of natural (preexisting) openings. Accomplishing these tasks quickly and efficiently will channel the products of combustion up and out of the building, reducing heat and increasing visibility within. It is not always necessary to cut an opening in the roof to obtain these benefits, and that is not normally a part of primary roof operations. First, let's review the definition of some basic terms so we will all be speaking the same language.Bulkhead. A partitioned enclosure at the ...

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