Quote:
Originally Posted by Biff
If it's not in a confined space like here on TNS, the crane just dis-assembles itself. Sometimes a smaller derrick crane will be erected on the roof to take down the tower crane - then the derrick is dis-assembled and sent down in pieces in the freight elevator.
300 main should be a fairly easy erection and dis-assembly.
...I said erection  |
They could also bring in one of the Sikorsky Sky crane Helicopters like was used to lift the CBC digital transmission tower to the top of the Richardson Bldg a few years ago.
It usually requires a one day parking ban in the area (wind dependent) unlike the few days using a conventional crane will take for setup and tear down after the pick is completed.
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