Second, the cable-stayed suspension is not allowed. ?
Three, unknown weight or overload are not allowed to be lifted. ?
Four, loosely bound or loose materials are not allowed to be lifted when loading. ?
Five, no one is allowed to hang on the hanging objects.
Six, buried objects are not allowed to hang. ?
Seven, safety device failure or are not allowed to be suspended in spite of illness.
Eight, the scene was dark and there was no lifting point. Lifting is not allowed.
Nine, the blade is in direct contact with the wire rope, and it is not allowed to hang without protective measures.
Lifting is not allowed in strong winds of 10 and above 6.
Extended data
Safety requirements for tower crane operation
(1) Tower crane drivers and signalmen must receive special training and be issued with certificates by relevant departments, and pay attention to whether the tower type learned by the drivers is consistent with the actual operation.
(2) The management of special personnel and special planes, the captain's responsibility system, and the strict succession system shall be implemented.
(3) The newly installed or overhauled tower crane must be debugged according to the requirements of the manual.
(4) The tower crane should keep a safe distance from the overhead transmission line.
(5) The cab should be equipped with appropriate fire fighting equipment.
Daily maintenance
(1) Keep all institutions clean, and clean all parts of dust in time;
(2) Check the oil quantity of each reducer. If it is lower than the specified oil level, refuel it in time;
(3) Check whether the ventilation plug of each reducer can freely exhaust, and if it is blocked, it should be unblocked in time;
(4) Check the effectiveness of each brake, and adjust it in time if it is not sensitive and reliable.