脚手架资料中英(2)

进入平台或工作平台的垂直间距不得超过9m (30英尺)。当脚手架的高度超过9m (30英尺)时，所有的附加平台都必须位于脚手架的内部。如果工作平台间的间隔超过6.1m (20英尺)，那么，梯子上要么配备自收缩式救生绳，要么配备一个OHSA或相应国家批准的笼式救生筐。救生绳必须安装在一个可接受的固定位置，该位置要能为系在上面的每个人提供2300Kgs 或 (5000 Lbs)摔落保护力。7.3m (24英尺) ~9.1m (30英尺)的梯子必须有中间平台，以便人们攀爬时休息。

3.18 Use of pulleys, hoist arms, or other devices to hoist material is

prohibited, unless the scaffold is guyed or braced to a permanent structure to prevent tipping or has been designed to accommodate these lifting devices. 禁止用滑轮、升降臂或其它设备来提升材料，除非脚手架被拉索或拉条固定在一个永久性性结构物上或者脚手架的设计允许使用这些提升设备。

3.19 Use of ladders or makeshift devices on top of scaffold to increase its height or to provide access from above is prohibited.

禁止在脚手架的顶部使用梯子或临时设备来增加脚手架的高度或者供人从上部进入的通道。

4. PROCEDURE 程序

4.1 Safety Considerations 安全考虑

4.1.1 Depending on the nature and the area of work, appropriate personal protective equipment must be worn by personnel. A competent person must determine the feasibility and safety, or where National Standards may dictate, of providing fall protection during the erection and dismantling of scaffolding. 根据工作性质和工作区域情况，工作人员必须穿戴相应的人身防护设备。在脚手架安装和拆卸期间，胜任人员必须确定摔落保护的可行性和安全性（国家标准可能强制规定）。

Note: Fall protection must be worn by workers erecting and dismantling scaffolds when exposed to falls greater than 6 feet. 注：当暴露于6英尺以上摔落危险时，安装和拆卸脚手架的工人必须穿戴摔落保护设备。

4.1.2 Personnel working on a scaffold platform with full handrail, mid rail, toe boards and gated access are not required to tie off when working inside the platform area. Safety harness shall be used during scaffold erection. Tie off is required above 2m (6' feet).

在扶手、中间隔档、隔板和进出门齐全的脚手架平台上工作的人员，如果在平台区域内