A documented, detailed method statement should be readily available on site so workers can reference any details of the dismantling procedure as needed.
[Insert Capacity, e.g., 250-Ton All-Terrain Mobile Crane] equipped with sufficient boom length and counterweights.
Attach the slings to the slewing assembly (slewing ring, motor, and A-frame/tower top).
Use taglines attached to both ends of the jib to control rotation as the mobile crane slowly lowers the entire jib to the ground. Step 5.4: Counter-Jib Removal Hook the mobile crane to the counter-jib lifting lugs. tower crane dismantling method statement
Verify that the ground bearing capacity at the mobile crane setup location matches or exceeds the engineered outrigger load calculations.
Lower the counterweight blocks to the ground one by one, to maintain balance while removing the main jib. Step 5.3: Main Jib Removal
Before any components are removed, the following must be verified: Tower Crane Dismantling Method Statement | PDF - Scribd A documented, detailed method statement should be readily
All team members must know:
Disconnect the main power supply and switch to the assist crane’s auxiliary power if required. Phase B: Counterweights & Jib
The following environmental considerations will be taken into account during the dismantling work: Use taglines attached to both ends of the
A successful dismantle relies on a clearly defined chain of command. Every team member must be qualified, certified, and aware of their specific duties.
Check the 48-hour localized weather forecast. Dismantling operations must cease if wind speeds exceed 10 m/s (approx. 22 mph) or if there is a threat of lightning or poor visibility.
Take the tension on the mobile crane, remove the retaining pins, and lower the counterweight block to the ground.
The dismantling procedure will be carried out in the following stages: