3 days prior before any heavy (75% of the Max. allowed working load), duel, or long radius lift or a lift in close proximity to power lines a detailed Job safety Analysis (JSA) must be submitted to the construction manager or his nominee.
3 days prior before any heavy (75% of the Max. allowed working load), duel, or long radius lift or a lift in close proximity to power lines a detailed Job safety Analysis (JSA) must be submitted to the construction manager or his nominee.
在进行重物（最大提升负荷的75%）、采用2台起重机同时进行起重提升，或在起重机距离货物较远，或距离动力线较近的地方进行提升时，必须提前3天向现场施工经理或其指定人递交一份详细作业安全分析报告。