?The trolley can be put together with only a large forklift. The header beam is lifted via wire rope reeving on the tower’s legs.
The job also used Rigging International’s own design of hoist that it calls a chain jack. The jack uses two 300t jacks to raise a bicycle-style chain with a lifting yoke and dogging mechanisms. Its maximum capacity is 300t in tall configuration, 360t in short configuration.??