Building with pressurized prevention and exhaust smoke facility and pressure prevention and exhaust smoke facility

摘要

PROBLEM TO BE SOLVED: To restrict the number of air release ports provided in a building having a plurality of general rooms on the same floor, and to ensure degree of freedom in design of the building.SOLUTION: A pressurized smoke prevention equipment 10 supplies air to a smoke block opening 3 through an auxiliary room 2 and a neighboring room 5 of a building 1. A first general rooms 6A of a first and second general rooms adjacent to the neighboring room 5 having no air release port is provided with an air release port 7 and a bypass aperture 20 communicating with the neighboring room 5 or the second general rooms 6B.