How do they get big cranes on top of high rise buildings?

I work in downtown Atlanta, and they are doing some kind of work on top of one of the high rise buildings downtown with a big crane. I was wondering how they got that heavy of a crane there to begin with? Thanks ahead of time!

6 Responses to “How do they get big cranes on top of high rise buildings?”

  1. julie  on September 8th, 2013

    with other cranes but i just guessed


  2. Munya Carr  on September 8th, 2013

    Helicopters. They helicopter them up in pieces, seriously. Then they assemble the crane, do what they need to do, then remove them, again, in pieces, via helicopter (big helicopters, not sissy tv news choppers).


  3. Name one way your not Hitler  on September 8th, 2013

    Other big cranes?


  4. james w  on September 8th, 2013

    they simply use the crane to build itself all the way up in sections . when its done the sections if they are in the middle our side become the elavador shafts


  5. Ken In Cocoa, FL  on September 8th, 2013

    Detailed answers on how these cranes work at this link:

    Disclaimer: I have no connection with this site.


  6. karhonleong  on September 8th, 2013

    The tower crane is build on sections of steel structures from ground level, they build much higher than needed, so the protuding section at the top that houses the crane do not need to be removed all the times, that probably explains the cost of building. They probably start to remove the protuding section when it reaches a height which is easy for machinery to access.


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