Weeks of 9/2/19 and 9/9/19

Project site, aerial view looking northeast, August 30, 2019

What is Happening

The Forum

  • Punchlist

Columbia Business School

Site 7 (Western Site)

  • Metal decking at the top of the building continues
  • Concrete is installed up to level 10
  • The hoist has been extended to the roof/12th floor
  • Network stairs and egress stair installation up to level 11
  • Plumbing and ductwork are in progress
  • Spray on fireproofing is up to level 7
  • Concrete curbs installed on level 10
  • Roof screen wall is complete

Site 6B (Eastern Site)

  • Steel erection and metal decking at the roof level and elevator mechanical room continues
  • The crane will be dismantled and removed during the week of September 9
  • Concrete slab places up to level 4
  • Egress stairs installation up to level 7
  • Spray on fireproofing is in progress on level 3
  • The hoist has been jumped to the roof
  • Roof screen wall is in progress

Below Grade Activity / W. 131st Street Utilities

  • Road and sidewalk demolition and excavation on W. 131st Street
  • Installation of sewer mains, sewer manholes, and sewer connection on W. 131st Street between 12th Avenue and Broadway.  Installing new water lines, and gas and storm lines 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.
  • Installation of masonry walls, concrete curbs, and mechanical, electrical, and plumbing (MEP) pads at sub-cellar 1 and 3 levels
  • Beam penetrations for CDS units (a unit that captures and treats stormwater runoff onsite before entering the city's sewer system)
  • Site 6b loading dock development
  • Overhead door installation in the Central Energy Plant Expansion area
  • Insulation under side of ramp

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

  • 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