1) Crane drivers and signalmen must pass special training and hold relevant certificates. Construction personnel should cooperate closely, take care of each other and act in unison. Other personnel must cooperate with Qi Xin and obey orders to avoid accidents.

2) The crane driver should be familiar with the mechanical properties and instructions, and abide by the requirements in the instructions.

3) Before operation, check whether all safety devices are complete and effective. When lifting heavy objects for the first time, do not lift them to the required height immediately after lifting. Try to lift it first, so that it can be lifted slowly. When the weight is about 500mm from the ground, stop for a while and then continue to ascend.

4) The driver can only start work after receiving a clear signal from the commander. Ring the bell before you act. If the signal is not clear, don't operate at will.

5) When the wire rope rigging is hoisted and the hook wire rope is taut, the operator should immediately stay away from the heavy objects to prevent the heavy objects from falling and hurting people.

6) When lifting heavy objects, confirm the real weight of the heavy objects, and do not overload.

7) When fully loaded or nearly fully loaded, it is forbidden to do horizontal and lifting actions at the same time.

8) During lifting, all personnel must retreat to a safe place.

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