2, lifting command should be held by qualified full-time personnel with technical training, no command or unclear signal.
3, steel bars, steel pipes, pipes and other slender objects must be tied firmly, multi-point lifting. It is not allowed to hang a single head "one thousand catties" or bind it loosely.
4, perforated plate, ash hopper, hand dump truck without hanging at four o' clock or large grinding plate external plate without unloading are not allowed to hang. Precast reinforced concrete floors are not allowed to be hoisted in pairs.
5, hanging block must use safe and reliable block fixture, hanging block must use brick cage, and neatly stacked. Wooden bricks, prefabricated built-in parts and other sporadic objects should be stacked firmly in containers, and improper stacking is not allowed to be hoisted.
6, floors, girders and other hanging objects are not allowed to be lifted.
7, sheet pile buried in the ground, well point pipe, etc. , and attached, attached objects are not allowed to hang.
8, multi-machine operation, should ensure that the distance of lifting heavy objects is not less than 3 meters, multi-machine operation on the same track, no lifting without safety measures.
Lifting is prohibited in strong wind areas above 9.6.
10, cable-stayed heavy objects or exceeding the allowable mechanical load are not allowed to be hoisted.
Extended data
Ten methods of safe production, starting with the law of safe production, abstract and summarize many laws of safe production in enterprises. These laws are summarized by the number "ten" for the reference of the main person in charge and safety management personnel in the enterprise.
Crane drivers, signalmen, cable workers and other special operators must hold special operation qualification certificates. It is forbidden for non-crane drivers to drive and operate cranes. During the whole process of moving, lifting, stopping and installing the lifted object, semaphores or general gesture signals should be used for command. If the signal is unknown, it is not allowed to start, and the upper and lower contacts should cooperate with each other. You can also use communication tools.
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