Yantai Crane Manufacturer Shares "Ten Do Not Hoist" Regulations for Lifting and Hoisting
1. No lifting or lowering allowed if there are people standing or walking beneath the crane arm and the lifted load.
2. Crane operation should be supervised by a qualified technical-trained personnel; no lifting is allowed without proper supervision or unclear signals.
3. Reinforcing bars, shaped steel, pipes, and other long and multi-piece items must be securely tied and lifted from multiple points. Single-point "crane" lifting or items not securely tied are prohibited.
4. Do not hoist porous plates, dust collecting bins, or hand-cranked dump trucks with four-point hoists. Do not hoist panels with large grinding plates attached without removing the deck. Pre-cast reinforced concrete floor slabs should not be hoisted in pairs.
5. Scaffold blocks must be secured with safe and reliable scaffold blocks clamps, bricks must be hoisted in brick cages, and must be stacked neatly. Miscellaneous items such as wooden blocks, prefabricated embeds, etc., must be stacked securely in containers; stacking out of alignment is not allowed for hoisting.
6. No person shall stand on beams, floor slabs, or other suspended loads. 7. Piling driven into the ground, well-point pipes, and any items bonded or attached to the ground are not permitted to be lifted.
8. Multi-machine operation requires that the distance between the suspended loads be no less than 3 meters. For multi-machine operation on the same track, lifting is prohibited without safety measures.
No hoisting allowed in wind zones above level 6.
10. Do not lift heavy loads or loads exceeding the mechanical allowable capacity.
