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Old Posted Nov 19, 2010, 8:37 PM
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hunser hunser is offline
don't *meddle*...
 
Join Date: Feb 2009
Location: New York City / Wien
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http://www.lowermanhattan.info/const...wer_26204.aspx

Quote:
*The following information was last updated on November 19, 2010.

* Facade installation began mid-November at 20th story
* Tower steel is now above floor 48
* Concrete is now being installed above floor 42
* Multiple cranes on site for steel and concrete installation
* Both the south and north cores are now being erected as the structure rises
* "Cocoon" safety system now in place around upper perimeter, to rise with structure
* Utility installation and tie-ins
* Crews are coordinating substructure construction while maintaining PATH service