Construction Update: Weeks of 2/24/20 and 3/2/20

The latest updates on what to expect and construction updates related to the Manhattanville campus.

February 21, 2020

View a PDF version of this week's update


What is Happening

Columbia Business School

Site 7 (Western Site)

  • Elevator rail installation is in progress; the north shaft is near complete
  • Plumbing and ductwork are in progress up to roof level
  • Curtain wall installation is in progress on levels 3 through 11
  • Urban layer glass is in progress
  • Interior wall layout and framing is in progress up to level 11
  • Overhead mechanicals is ongoing
  • Rooftop equipment will be picked and set; roof prep ongoing

Site 6B (Eastern Site)

  • Interior wall layout, framing, and overhead mechanical, electrical, and plumbing is in progress up to level 6
  • Exterior east elevation metal panel framing is installed up to level 6
  • Exterior wall panels installation is in progress on levels 2 through 6
  • Riser ductwork and pipe installation is ongoing
  • Storm/sanitary piping is ongoing
  • Prepping electrical and HVAC for Forum space in anticipation of the concrete pour
  • Rooftop equipment will be picked and set in late February/early March; roof prep ongoing
  • Elevator rail delivery and shake out

Below Grade Activity / W. 131st Street Utilities

  • Domestic water, sanitary, and storm-piping is ongoing at all levels
  • Air handling units on Site 7 and W. 130th Street energy transfer room are being hooked up with piping and ductwork
  • HVAC equipment installation in W. 130th street energy transfer room is progressing to completion
  • Installation of sprinkler and fire alarm systems is in progress
  • Level 1 Plaza drainage, waterproofing, and topping slab development work is on-going

W. 125th Street South Side Demolition

  • New York City Department of Buildings (DOB) approved 3191 Broadway demolition plans.  The DOB’s pre-demolition inspection is scheduled for the week of February 24.
  • Awaiting DOB approval of the demolition plans for the warehouse and trash enclosure
  • Mechanical, electrical, and plumbing disconnects at the east wall at Prentis Hall and wall patching is ongoing
  • Fire standpipe and steam line were cut and capped.  The New York City Department of Environmental Protection (DEP) inspection was performed and the DEP disconnect letter is expected during the week of February 24.


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. is opened for one-way westbound traffic