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draft stop; convenience stair

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    draft curtains and closely spaced sprinklers around a convenience stair

    The client would like to create a convenience stair between it's 2nd and 3rd floor suite in a type IIA office building. I am having trouble understanding whether or not a draft stop is required. I've attached the enhanced content of section of NFPA 13. It says under 9.3.5.1 that unless the...
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