3 World Trade Center

News / Press

WTC Construction Update, September 2011

WTC Construction Update, September 2011

Sep 05, 2011
By By: Lower Manhattan Construction Command Center |

Memorial and Museum

  • Over 220 trees have been planted at the site 
  • Artifact installation in underground Museum space 
  • Both structural steel and facade installation is now complete at the Memorial Pavilion. 

1 World Trade Center

  • Façade installation is above the 54th floor
  • Tower steel is now at the 81st floor
  • Concrete is above the 71th floor 
  • Spray on Fire-Proofing is underway

2 World Trade Center

  • Currently Constructing the B1 Level
  • B2, B3 & B4 are Complete
  •  Steel Columns have been erected to street level
  • Mechanical/Electrical/Plumbing systems have started below grade 

3 World Trade Center

  • Concrete core poured up to floor B1. 
  • Concrete core being formed for B1M, expecting that floor to be poured by 1st week of September
  • B3 concrete deck 60% complete

4 World Trade Center

  • Steel is currently at the 47th Floor
  • Concrete is complete to 41st Floor 
  • Glass is installed on the west and south elevations on the 22nd floor

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