对施工图审查争议性问题的探讨

Discussion on Controversial Issues of Shop Drawing Review

结合工程案例,对施工图审查中遇到的比较典型的争议性意见进行讨论,包括消防负荷线路的过负荷保护应作用于信号而不应切断电路、应急照明的应急工作时间不应小于90min、应急照明备用电源连续供电时间的适用性、消防配电线路应采用矿物绝缘类不燃性电缆、应急照明配电箱应在防火分区设置自动切换装置几个问题。

Based on the engineering cases,the typical controversial opinions encountered in the shop drawing review are discussed, inducing several issues,namely the overload protection for fire load lines shall operate on the signal and shall not cut off the circuit,the emergency working time of emergency lighting shall be no less than 90 min,the applicability of continuous power supply time of standby power supply for emergency lighting,non-combustible cables of mineral insulation type shall be used for fire power distribution lines,and an emergency lighting distribution box shall be equipped with an automatic switching device in a fire-proof zone.