Brief introduction of ten no hanging criterion for tower crane operation
8, oxygen acetylene generator with explosive materials are not allowed to hang; 9, mechanical safety device failure or sick when not hanging; 10, bad weather, more than six winds not hanging.
4, buried objects do not pull the crane; 5, cable-stayed holding objects not hanging 6, the slings and objects; rickety bundle does not meet the safety requirements to crane; 7, vehicle weight hanging directly processed when not hanging;
1, hanging weight more than no mechanical properties allow the crane; 2, the command signal is unknown, the weight is unknown, the dim light to hang; 3 working face, stand or floating active objects not hanging;
