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The tower crane in this picture sits on the chassis with counter weight on it.

The chassis sits on 4 concrete block, while the connection is not shown in the picture.

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The tower crane in this picture is using telescopic cage for mast addition, which belongs to tower crane climbing to increase its height. The telescopic cage uses hydraulic system to lift up the upper part of the tower crane and make rooms for the new incoming mast.

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This steel bracket with 12 bolts attached is waiting for concrete pouring in the site.

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The tower crane in this picture uses the cast-in fixing angle as the foundation, the four fixing angle are embedded with the steel column and waiting for the concrete pouring.

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Tower crane foundation in a job site, the base mast with the reusable fixing angle is ready for the installation.

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Nice view of the tower crane from the front jib, the A frame and the tower looks really cool.

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