We will discuss an external climbing setup. Both luffing and hammerhead cranes can climb. This process is usually done for high rise construction, where the crane will raise itself up by adding more tower sections as the building is being constructed, and remove tower sections once the crane is no longer needed.
1. Crane lifts additional tower section and suspends it from extendable monorail. Bolts of top tower section are removed
Hydraulic rams lift top section of crane and climbing frame
Additional tower section is drawn into the climbing frame and bolted at top and bottom by the tower crane rigging crew.
To climb down the reverse procedure is followed
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