Tower Crane Gallery – 2
This is the dock with 2 tower cranes installed for the ship repairs or other marine services. The tower crane is sitting on the steel structures that are raised up by 4 steel columns, there are 4 struts linked between the edge of the steel foundation and the tower crane mast section.
Tower Crane Gallery – 1
This picture is showing a tower crane dismantling process, the tower crane with white mast section is dismantled by a roof crane, and the vertical parts of the tower crane is dismantled, leave with only the mast section.
The tower crane is a telescoping crane that sit on a cantilever bracket and with a wall tie system almost on the top of the building. The wall ties ( beams) have been dismantled as shown on the picture.