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vertical opening

  1. Blazer

    Atrium and Open Exit access Stair (two distinct vertical openings) next to each other

    *Reference 2018 IBC* Situation: Vertical opening with exit access stair is protected in accordance with condition #4 of 1019.3: Sprinklered building Area of opening is no more than 2x the projected area of stairs Draft Curtain and closely spaced sprinklers Connects 4 stories (Level 1-Level 4)...
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