PURPOSE: the tower apartment in center provide keep health by living environment daylighting and ventilation public space smoothly at ordinary times, and in case of emergency, it is ensured that safety. ;CONSTITUTION: the tower apartment in center includes that elevator hall (600) is directly connected to common corridor in common inlet, two all-purpose flours, on two all-purpose flours and elevator (800) before another entrance of common corridor, and and common corridor, use the first fire door (100) and the second fire door (110), staircase (700) is directly connected to the public corridor of 2 connecting component part of steps and departing from the connecting component part of steps for using the first step and the second connector, first connecting component part of steps (900910) with the one the second stair fire resistant doorsets of stair space and common corridor (210,And first, 230)Second connection fire door (200,220), first and second common front rooms are respectively formed in the 1a-household 1b-household of the entrance (600) 1 and (600) 2 of front (600) 0, entrance and a 2b-household 2a-household (600) 3 (600) 4 are formed in each contact surface and meet outer space opening and closing in Room the 1st and the 2nd Room common front of common front with the external space, window is resisted against. ;The 2010 of copyright KIPO submissions
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