comparison of the smoke generation rate between Taiwan fire code and the NFPA 92B for a 500 m2 room (5 MW fire); formula of fire plume air entrainment mass flow rate; geometry of the two atria; total evacuation time predicted by SSSF model and dynamic model; mean RSET on the 11th floor in the atrium 1; Steady State-Steady Flow (SSSF); Required Safe Egress Time (RSET)