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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
- Stone installation of inner and outer ring
- 12th Avenue formwork and reinforcement
- Perimeter trench drain formwork, reinforcement, and concrete placement
- Structural backfill is in progress
- Electrical and low voltage conduit installation
- Light pole pier formwork and rebar installation
600 W. 125th Street
- The façade reinforcement project for the adjacent property, 45 Tiemann Place, is complete
- The remnant wall project for the adjacent property, 31 Tiemann Place, is underway. Wall repairs, wall modifications, and egress stair changes will be performed.
- On Monday, May 10 at 7:00 a.m., a construction site trailer will be delivered near Prentis Hall. The delivery process will take approximately 30 minutes.
- On May 17, 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.
- Material deliveries to site is ongoing
Temporary Traffic and Transportation Impacts
