搞活经济政策实施以来,大量的农民涌进城里承揽施工任务,这无疑对城市建设起到了积极作用。但是,在施工中,由于有关部门缺乏必要的管理,不断发生民工伤亡事故,致使国家财产遭受重大损失,民工家庭酿成巨大不幸。发生这种重大责任事件的原因如下。1.招标单位只顾经济效益,不管施 Since the implementation of economic policies, a large number of farmers have poured into cities to undertake construction tasks, which undoubtedly played a positive role in urban construction. However, during construction, due to the lack of necessary management by relevant departments and the continuous occurrence of migrant workers ’casualties, the national property suffered heavy losses and the migrant workers’ families caused tremendous misfortune. The reasons for such a major responsibility incident are as follows. 1. Bidding unit only economic benefits, regardless of facilities