动火作业,是指打磨、切割、焊接等产生明火的施工作业活动,在施工过程中普遍存在,由于作业产生明火,极易引燃施工区域内存放的易燃、可燃材料,如果管理措施和技术防护措施不到位,容易酿成火灾事故。近年来,在建工程施工现场火灾频发,上海静安区公寓火灾等事故造成了惨重的人员伤亡以及巨大的财产损失,对社会造成了恶劣的影响,同时,也为我们敲响了警钟。航天企业作为国防重点军工单位,内部施工有其自身特点,研究航天企业 Hot work, refers to grinding, cutting, welding and other open fire construction operations, ubiquitous in the construction process, as a result of operations open flame, easily ignited flammable combustible materials stored in the construction area, if the management measures and Technical protective measures are not in place, easily lead to a fire accident. In recent years, frequent fires on the construction site of construction projects and apartment fires in the Jingan District of Shanghai have caused heavy casualties and huge property losses, which have adversely affected the society. At the same time, they also sounded the alarm for us. Aerospace enterprises as the key national defense military units, internal construction has its own characteristics, research aerospace companies