Sufficient radius to reach the tower crane’s center of gravity.
Rig the specified counter-weight blocks using tested chain slings.
Method Statement for Tower Crane Dismantling: A Comprehensive Engineering Guide 1. Introduction and Scope tower crane dismantling method statement
Isolate the main power supply to the tower crane, leaving only the auxiliary circuits required for the trolley or specific hoist functions if needed during balancing.
The frame takes the weight of the upper crane structure, pushing it slightly up to release the connection between mast sections. Sufficient radius to reach the tower crane’s center
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Balance the crane perfectly by placing a counter-weight or hook block at the manufacturer-specified radius. Unbolt the topmost mast section from the section below it. Introduction and Scope Isolate the main power supply
A larger mobile crane (e.g., 150T or 160T) is often used to lower heavy sections like the jib and counter jib.