View a PDF version of this week's update
What is Happening
Columbia Business School
Site 7 (Western Site)
- Exterior wall installation (Wall Type-B and Wall Type-C) is in progress
- Urban layer wall Type-A glass is in progress
- Riser ductwork and pipe installation is ongoing
- Interior wall layout, framing and overhead mechanical, electrical, and plumbing is in progress
- Storm/sanitary piping installation is ongoing
- Elevator rail and entrance installation is in progress
Site 6B (Eastern Site)
- Exterior wall panels installation is in progress on levels 2 through 8
- Riser ductwork and pipe installation is ongoing
- Interior wall layout, framing, and overhead mechanical, electrical, and plumbing is in progress
- Storm/sanitary piping installation is ongoing
- Elevator rail installation is in progress
Below Grade Activity / W. 131st Street Utilities
- Plaza waterproofing at Level 1 (Large Square area) and concrete topping slab are in progress
- Installation of storm, sanitary piping, electrical conduits and HVAC ductwork is ongoing
- CDS units (a unit captures and treats stormwater runoff onsite before entering the city’s sewer system) were flood tested and passed. The internal parts and lids will be installed.
- Masonry walls and curbs at the truck ramp are substantially complete
- Installation of the vapor barrier is ongoing at the loading dock in preparation for the installation of metal panels
W. 125th Street South Side Demolition
- Demolition of 3191 Broadway was completed and signed-off by the NYC Department of Buildings (DOB)
- Demolition approval of the trash enclosure was obtained from DOB. Pre-demolition inspection has passed. A permit is expected after Governor Cuomo's executive order is lifted.
- Demolition plans for the warehouse at 614 W. 125th St. are still under review by DOB. The demolition start date is dependent on the plan approval and DOB issuance of demolition permit
- Additional information was submitted to DOB for approval to allow foundation work and demolition of the warehouse to occur concurrently
- Work will not be performed until Governor Cuomo's executive order is lifted
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
