Crane replaces crane

2016-06-03-cranesJune 3, note that view.  Note original crane is attached to elevator core.

 

2016cranesDecember 3, new crane (leftmost) finished, bolted to the roof of the 43-story 5th & Columbia building.

2016-12-10-cranesDecember 10.  Within a week, the original crane has been disassembled using the new crane.  The replacement is a lighter-limit crane lacking superstructure and with a smaller counterweight, now that all structural steel is in place.  An additional floor has gained windows.

 

About William Calvin

UW prof emeritus brains, human evolution, climate
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