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What is Happening
Columbia Business School
Site 7 (Western Site)
- Completion of exterior wall glass-fiber reinforced concrete unit installations on floors 4 through 11
- Preparation and installation of exterior glass doors
- Interior fit-outs and overhead mechanical, electrical, and plumbing installation on floors 1 through 11
- Three construction use cars are in service
Site 6B (Eastern Site)
- Completion of exterior wall glass-fiber reinforced concrete unit installations on floors 2 through 8
- Preparation and installation of exterior glass doors
- Interior fit-outs and overhead mechanical, electrical, and plumbing installation on floors 2 through 8
- Three construction use cars are in service
Below Grade Activity / W. 131st Street Utilities
- Installation of permanent lighting, electrical outlets and devices, low voltage security and IT devices
- Installation of toilet fixtures
- HVAC equipment and system commissioning
- Fire alarm testing
- Buildout work of the loading dock is progressing
- Metal panel comeback work is substantially complete
- Spackling and painting walls are ongoing throughout
- The truck ramp ceiling is substantially complete
- Installation of acoustic ceiling tile ceiling, and countertops. Ceramic tiling is substantially complete.
Open Spaces between 130th and 131st Streets and along 12th Avenue
- Tree planting complete. Continuation of living roof layer ongoing.
- Structural backfill, rebar, form work, and concrete topping slab ongoing
- Installation of electrical conduit, cobblestone, and trench drain
- Hanover pavers/hardscape to commence
600 W. 125th Street
- The remnant wall project for the adjacent property, 31 Tiemann Place, is underway. Wall repairs, wall modifications, and egress stair changes will be performed. Work will take place on Saturday, May 15 from 9:00 a.m. to 3:00 p.m.
- The excavation and foundations contractor will mobilize and site fence changes will be made
- Con Edison is performing utility improvement work on W. 125th Street, west of Broadway. This work is anticipated to be complete by May 17.
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. After-hours permit issued for 6:00 p.m. to 11:00 p.m. Monday through Friday for exterior wall installation to be performed at the Business School buildings.
- 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
- The parking lane will be closed on the south side of W. 125th Street from Broadway to St. Clair Place. Parking will not be available on the south side of W. 125th Street from Broadway to the mid-block in front of the entire length of the 600 W. 125th Street construction fence.
