题目内容

在某水利工程施工工地，施工单位根据施工需要兴建的临时办公用房是一座四层砖混建筑物。第一层楼的一端是车间，另一端为原材料库房，库房内存放了木材、海绵和油漆等物品。车间与原材料库房用铁栅栏和木板隔离。搭在铁栅栏上的电线没有采用绝缘管穿管绝缘，原材料库房电闸的保险丝用两根铁丝替代。第二层楼是包装、检验车间及办公室。第三层楼为成品库。第四层楼为职工宿舍。由于原材料库房电线短路产生火花引燃库房内的易燃物，发生了火灾爆炸事故，导致17人死亡，20人受伤，直接经济损失80多万元。 [问题] 1．指出该临时办公用房在使用中的不妥之处。 2．依据安全生产有关规定，施工单位负责人在接到事故报告后，应当做什么、不得做什么 3．事故调查组应由哪些部门组成调查组的主要职责是什么 4．事故调查的基本程序是什么

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