Construction Update: Weeks of 7/27/20 and 8/3/20

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

July 27, 2020

View a PDF version of this week's update


What is Happening

Columbia Business School

Site 7 (Western Site)

  • Exterior wall installation (Wall Type-C and Wall Type-D) is in progress
  • Interior scaffolding at the network stair is being installed
  • Urban layer Wall Type-A glass is in progress
  • Riser ductwork and pipe installation is ongoing
  • Roof ductwork re-routing/support steel
  • Interior wall layout, framing and overhead mechanical, electrical, and plumbing are in progress
  • Elevator platforms and counterweights for north and south banks

Site 6B (Eastern Site)

  • Exterior wall borders installation is in progress on levels 2 through 8
  • Mechanical, electrical, and plumbing under Forum space
  • Riser ductwork and pipe installation is ongoing
  • Network stair scaffolding
  • Waterproofing at east terraces
  • Interior wall layout, framing, and overhead mechanical, electrical, and plumbing are in progress
  • Elevator platforms and counterweights for south cars, and rail stacking in north bank

Below Grade Activity / W. 131st Street Utilities

  • Concrete topping slab is substantially complete
  • Installation of storm, sanitary piping, electrical conduits and HVAC ductwork is ongoing
  • Buildout work including metal panel installation of the loading dock is progressing
  • Wall framing and sheetrock work are ongoing throughout
  • Waterproofing of the sump pits has started and is ongoing

Open Spaces between 130th and 131st Streets and along 12th Avenue

  • The contractor has mobilized on site to begin early field logistic developments, inclusive of site fencing, ramp development, temporary power, and water supply connections
  • Perimeter trench drain post installed, dowels in progress
  • Perimeter trench drain formwork in progress
  • Removal of spread footing anchor caps

W. 125th Street South Side Demolition

  • Demolition plans for the warehouse at 614 W. 125th St. are approved; demolition start date is dependent on the issuance of the demolition permit


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. After-hours permit issued for 6:00 a.m. construction start to allow for physical distancing for workers upon entry to the site.
  • 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 Avenue is open for one-way westbound traffic