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type ib

  1. rjjh

    Type IB - rated floor assembly required over crawl space?

    Hi! We are proposing a Type IB, type R-1 single story hotel, that is non-separated. The units are prefabricated and placed over an unoccupied crawl space, will the floor assembly need to maintain a 2HR rating per Table 601? or are there any exceptions to being over a crawl space over grade?
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