13 scaffolds ( including mobile access towers ) shall not be moved while they are in use or occupied 在脚手架使用或被占用期间,不得移动脚手架(包括活动式进入塔) 。
2.
Building site equipment - ladder or stairway type building site access towers - materials - dimensions - calculation loads - resistance and safety requirements - tests 建筑工地设备.建筑工地用梯级式或楼梯型辅助吊塔.材料.尺寸.负荷计算.耐用性和安全要求.试验