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What is Happening
Columbia Business School
Site 7 (Western Site)
- Exterior wall installation (Wall Type-C and Wall Type-D) is in progress
- Interior scaffolding at the network stair is being installed
- Urban layer Wall Type-A glass is in progress
- Riser ductwork and pipe installation is ongoing
- Roof ductwork re-routing/support steel
- Interior wall layout, framing and overhead mechanical, electrical, and plumbing are in progress
- Finish program in progress on levels 3 through 7
- Elevator platforms and counterweights for north and south banks
Site 6B (Eastern Site)
- Exterior wall borders installation is in progress on levels 2 through 8
- Mechanical, electrical, and plumbing under Forum space
- Riser ductwork and pipe installation is ongoing
- Network stair scaffolding
- Waterproofing at east terraces
- Interior wall layout, framing, and overhead mechanical, electrical, and plumbing are in progress
- Finish program starting on level 3
- Elevator platforms and counterweights for south cars, and rail stacking in north bank
Below Grade Activity / W. 131st Street Utilities
- Concrete topping slab is substantially complete
- Installation of storm, sanitary piping, electrical conduits and HVAC ductwork is ongoing
- Buildout work including metal panel installation of the loading dock is progressing
- Wall framing and sheetrock work are ongoing throughout
- Waterproofing of the sump pits is ongoing
Open Spaces between 130th and 131st Streets and along 12th Avenue
- Inner and outer ring formwork, reinforcement, and concrete placement is ongoing
- Perimeter trench drain development
- Electrical sleeve installation
W. 125th Street South Side Demolition
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