Two Fire safety objectives

Stage1: pre-flashover

    design fire : ERR-time curve

    time frame : under 30 mins

    Objective : Safety of Occupants

    Calculation mode : 2-Zone model



Stage2: post-flashover

    design fire : temperature-time curve

    time frame : 0.5~3.0 hrs

    Objective : Building integrity & Safety of Firefighter

    Calculation mode : 1-Zone model



Obtained from "Enclosure Fire Dynamics(by Björn Karlsson, James G. Quintiere)"