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What is Happening
Columbia Business School
Site 7 (Western Site)
- Exterior wall coordination is ongoing
- Elevator trade has mobilized to site
- Plumbing and ductwork are in progress up to roof level
- Curtain wall installation is in progress on levels 3 through 11
- Urban layer in progress
- Interior wall layout and framing in progress up to level 10
- Overhead mechanicals ongoing
Site 6B (Eastern Site)
- Concrete slab placed up to level 9
- Interior wall layout and framing is in progress through level 3
- Exterior east elevation metal panels are installed up to level 8
- Curtain wall curbs and anchor installation are up to level 6
- Exterior wall panels installation is in progress on levels 3 and 4
- Riser shaft 4 ductwork and riser shaft 6 shaft wall are in progress
- Storm/sanitary piping ongoing
Below Grade Activity / W. 131st Street Utilities
- Domestic water, sanitary, storm-piping and floor drains installation are ongoing on all levels
- Sprinkler system installation is in progress
- Fire alarm system installation is in progress
- Installation of masonry walls at sub-cellar levels 1 and 3
- The W. 130th Street energy transfer room equipment installation is ongoing
- Sheet metal ductwork in sub-cellar level 1 of Site 7 and Site 6B, and sub-cellar level 3 of W. 130th Street
- Ductwork risers are ongoing in mechanical shafts in Site 7 and 6B
- L1 Plaza waterproofing work ongoing
- Block filler ongoing
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.
- 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 Ave. is opened for one-way westbound traffic
