Quote:
Originally Posted by harryc
So it is a lifting jack, only it lifts the entire tower, which doesn't go all the way to the ground but is hanging on in the same manner as the self raising forms.
This answers another question as well, thx.
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Could you clarify this "bottom crawler" crane. I'm a bit confused by what you meant. If it lifts the entire crane, why does it not insert another form for the tower to grow?
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