Marty Burger Named Co-CEO of Silverstein Properties
December 13, 2011
New York City developer Larry A. Silverstein today announced the appointment of Martin S. Burger as Co-Chief Executive Officer of Silverstein Properties, Inc. The appointment is an extension of the Read more...

WTC Construction Updates, December 2010

Memorial and Museum

  • Steel erection for the Memorial pavilion building nearly complete
  • Soil installation and tree planting underway in phases through 2011. More than 50 trees now on site; up to 80 more to be planted by the end of 2010
  • Finishing work on memorial reflecting pools and waterfalls
  • Preparing for cladding installation on new West Vent Structures

1 World Trade Center

  • Installation of the curtain wall at the 20th
  • Tower steel is now above floor 50
  • Concrete is now being installed above floor 42

2 World Trade Center

  • 3,200 yards of concrete poured to date
  • 1,000 yards of 3,000 psi mud mat and fill
  • Only minor amounts of rock excavation remaining
  • Turner erected the east and west crane bases

3 World Trade Center

  • Over 1,000 yards of concrete poured to date
  • Rock excavation will be complete in 2 weeks. It is currently 95% complete. Only a few footings under the crane remain to be excavated.

4 World Trade Center

  • Steel erection and concrete placing operations now on the 9th floor
  • Core steel erection is starting on the 10th floor
  • 2 active tower cranes now on site