L68B1 Mast Section Tower crane demolition in strict accordance with the demolition sequence construction, is the safety of the demolition
Tower Crane demolition-construction in strict accordance with the demolition sequence of tower crane, is the tower crane demolition work to ensure safety. Improper construction sequence, unreasonable, inversion and inversion will lead to tower crane accidents. Tower Crane disassembly procedure is the reverse procedure of tower crane installation procedure, generally in accordance with the first installation and then disassembly, top-down steps.
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1. According to the lifting operation method of the Tower Crane, the standard sections are removed in turn, so that the tower crane is at the height before the lifting. 2. Tie the rope at the head of the boom, let the hook fall to the ground, and retract the main wire rope to secure the trolley to the base of the boom. 3. Remove the lifting wire rope and the organization cable. 4. Use Auxiliary lifting equipment to remove part of the counterweight. Wire rope and its maintenance 5. Take off the boom. 6. Remove remaining counterweight and balance arm. Kill. Remove Tower Cap, Cab, slewing assembly. 8. Remove Lifting Jacket Assembly and operating platform. 9. Remove remaining standard section, foundation section and underframe.
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