Weeks of 8/12/19 and 8/19/19

Project site, aerial view looking northeast, August 9, 2019

What is Happening

The Forum

  • Punchlist

Columbia Business School

Site 7 (Western Site)

  • Steel erection and metal decking at the roof level continues
  • Network stairs and egress stair installation up to level 11
  • Plumbing and ductwork is in progress
  • Spray on fireproofing is up to level 7
  • Concrete curbs installed on level 8
  • The construction crane will be dismantled during the week of August 12.  One large and one small crane will be at the site to facilitate the work.

Site 6B (Eastern Site)

  • Steel erection and metal decking at the roof level and elevator mechanical room continues
  • Egress stairs installation up to level 5

Below Grade Activity / W. 131st Street Utilities

  • Trenching and manhole installation ongoing on W. 131st Street near the Studebaker Building loading dock
  • Road demolition and excavation on W. 131st Street
  • HVAC, plumbing and sprinkler piping ongoing.  Installation of chilled water supply and return, and high pressure steam main and condensate return piping installation in utility tunnel.
  • Installation of masonry walls, concrete curbs, and mechanical, electrical, and plumbing (MEP) pads at sub-cellar 1 and sub-cellar 3 levels
  • Installation of shaft walls at sub-cellar 1 level at Site 7
  • Core drills for fire main completed and tie-in to Central Energy Plant to start shortly
  • Beam penetration work for CDS storm lines (a unit that captures and treats stormwater runoff onsite before entering the city's sewer system)
  • Spray on fireproofing at truck ramp
  • Backfilling and site grading
  • Installation of sewer connections
  • Carpentry top track installation

W. 132nd Street Demolition Project

  • Demolition of 602 W. 132nd Street and 3259 Broadway

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

  • W. 130th Street from the west side of the Jerome L. Greene Science Center loading dock to 12th Avenue will be closed during the week of August 12.  The Jerome L. Greene Science Center loading dock will remain accessible at all times via Broadway.  Delivery trucks will be required to back into W. 130th Street to access the loading dock, and a flag person will be present to direct deliveries.
  • 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