Construction Update: Weeks of 10/28/19 and 11/4/19

October 25, 2019

View a PDF version of this week's update


What is Happening

The Forum

  • Punchlist items and close out of trades are substantially complete

Columbia Business School

Site 7 (Western Site)

  • Concrete is installed up to the roof and elevator machine room 
  • Egress stair pours are in progress 
  • Plumbing and ductwork are in progress up to level 6 
  • Spray on fireproofing is complete 
  • Curtain wall installation is partially up to level 7 
  • Interior wall installation is up to level 6 

Site 6B (Eastern Site)

  • Concrete slab placed up to level 8 
  • Curtain wall curbs and anchor installation are up to level 6 
  • Spray on fireproofing is up to level 6 
  • Exterior east elevation metal panels are installed up to level 4 
  • Interior wall layout is in progress 

Below Grade Activity / W. 131st Street Utilities

  • Tying new sanitary lines and storm lines into the Studebaker Building 
  • Pouring sidewalk on W. 131st Street. Road base completed.
  • Streetlight work on W. 131st Street 
  • Plumbing and sprinkler piping ongoing at sub cellar 1 and 3 levels 
  • Installation of chilled water supply and return, and high-pressure steam main and condensate return piping installation in utility tunnel and sub-cellar 1 level
  • Installation of masonry walls, concrete curbs, and equipment pads at sub-cellar 1 and 3 levels 
  • All air handling units were delivered to the site 
  • Sheet metal ductwork is ongoing in Site 7 and W. 130th Street 
  • Domestic water, sanitary, storm drainage, sprinkler, piping installation are ongoing 
  • Loading dock concrete placement on-going  

W. 132nd Street Demolition Project

  • Demolition of 3259 Broadway and 602 W. 132nd Street is complete. Grading lot.
  • Installing new site fence

W. 125th Street South Side Demolition

  • Site fence was installed at 614 W. 125th Street and 3191 Broadway
  • Sidewalk bridge to be installed on Monday, October 28

Please note that all activities are subject to change based on weather and other field conditions.

What to Expect

Construction Activity

  • Regular weekday work hours: 7:00 a.m. to 6:00 p.m. Saturday and Sunday work hours: 7:00 a.m. to 5:00 p.m. 
  • Material deliveries to site is ongoing

Temporary Traffic and Transportation Impacts

  • Refer to street signage for the west side of Broadway from 129th to 130th Streets -- parking is allowed after 6:00 p.m. and on weekends
  • W. 131st Street between Broadway and 615 W. 131st Street is closed and will remain closed until the fourth quarter of 2019