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Tower Crane Erection Process


1/29/2011        

cage section on top of basic mast Assemble the top mast section just under the mast cabin on top of cage section Erect the section of top tower containing the mast cabin above top mast section Fix the counter-jib perpendicular to the vertical tower using the counter-jib tie Hang the counterweights at the end of the counter-jib Install the main jib with the main jib tie Hang the jib trolley on the main jib After erecting the whole tower crane, it was ready for "raising" to the required operating height. This was achieved by jacking up hydraulically the telescopic cage section and then bringing extra standard mast sections into the telescopic cage consecutively until sufficient height was reached.





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