To satisfy the demands for air supplement, mechanical pressurized air supply system is set. Air supply level is calculated by no less than 50% of smokeexhaustlevel.
为满足补风需要,设机械加压送风系统,送风量按不小于排烟量的50%计算。
2
And co and CO_2 concentration far away the fire source may keep a high level or higher than those at the hallway near the fire source when the smokeexhaust system is run.