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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 levels 4 through 11
- Interior fit-outs and overhead mechanical, electrical, and plumbing installation on levels 1 through 11
- Curtainwall infill work is in progress at hoist leave out area
Site 6B (Eastern Site)
- Completion of exterior wall glass-fiber reinforced concrete unit installations on levels 2 through 8
- Roof work, including screen wall installation and roof coping
- Elevator work—three construction use cars are in service
- Fill in of exterior wall at hoist leave out area
- Interior fit-outs and overhead mechanical, electrical, and plumbing installation on levels 2 through 8
Below Grade Activity / W. 131st Street Utilities
- Installation of storm, sanitary piping, electrical conduits, low voltage and HVAC ductwork is ongoing
- Steam was activated and pressure reducing valve stations were put online
- Buildout work of the loading dock and installation of dock levelers
- Metal panel comeback areas is progressing
- Spackling and painting walls throughout
- The truck ramp ceiling is in progress
- Installation of the permanent sump/ejector pumps’ control panels
Open Spaces between 130th and 131st Streets and along 12th Avenue
- Inner and outer ring formwork, reinforcement, and concrete placement
- Topping slab reinforcement and concrete placement
- Woodland Walk formwork and reinforcement
- Perimeter trench drain formwork, reinforcement and concrete placement
- Structural backfill in progress
- Electrical and low voltage conduit installation
- Waterproofing ongoing
- Light pole pier formwork and rebar installation
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
