Construction Update: Weeks of 11/11/19 and 11/18/19

November 08, 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 
  • Elevator rail installation to begin
  • Plumbing and ductwork are in progress up to level 6 
  • Curtain wall installation is in progress on levels 3 through 9 
  • Interior wall layout in progress up to level 6 

Site 6B (Eastern Site)

  • Concrete slab placed up to level 8 
  • Spray on fireproofing is up to level 7  
  • Interior wall layout is in progress on levels 2 and 3 
  • Exterior east elevation metal panels are installed up to level 5 
  • Curtain wall curbs and anchor installation are up to level 6        

Below Grade Activity / W. 131st Street Utilities

  • Working on Department of Environmental Protection punchlist for W. 131st Street 
  • Opening W. 131st Street to westbound traffic on Monday, November 11
  • 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 
  • Sheet metal ductwork is ongoing in Site 7 and W. 130th Street 
  • Domestic water, sanitary, storm drainage, sprinkler, piping installation is ongoing 
  • West loading dock development ongoing  
  • L1 Plaza cricket and waterproofing work ongoing 
  • Block filler and floor sealant ongoing   

W. 132nd Street Demolition Project

  • Sidewalk repairs and site fence minor adjustments 

W. 125th Street South Side Demolition

  • Sidewalk bridge to be installed
  • Utilities disconnects (electrical, water, sewer) will begin

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 12th Ave. will be opened on November 11 for one-way westbound traffic