安全评价是对工程、系统中存在的危险、有害因素进行辨识与分析,判断工程、系统发生事故和职业危害的可能性及其严重程度,提出合理可行的安全对策措施,指导危险源监控和事故预防,以达到最低事故率、最少损失和最优的安全投资效益。搞好安全评价是落实“安全第一,预防为主”方针 Safety assessment is to identify and analyze the dangerous and harmful factors existing in the project and system, to judge the possibility and seriousness of the project, system accident and occupational hazard, to propose reasonable and feasible safety measures to guide the monitoring and accident of dangerous source Prevention, in order to achieve the lowest accident rate, least loss and optimal safety investment benefits. Doing a good job of safety assessment is the implementation of the principle of “safety first and prevention first”