View a PDF version of this week's update
What is Happening
Columbia Business School
Site 7 (Western Site)
- Elevator rail installation is complete
- Plumbing and ductwork are in progress up to the roof level
- Curtain wall installation is in progress on levels 3 through 11
- Urban layer glass is in progress
- Interior wall layout and framing is in progress up to level 11
- Overhead mechanicals is ongoing
- Rooftop equipment will be picked and set in early March; roof prep is ongoing. Crane for rigging is on site; first pick expected to be on Tuesday, March 3
Site 6B (Eastern Site)
- Interior wall layout, framing, and overhead mechanical, electrical, and plumbing is in progress up to level 7
- Exterior east elevation metal panel framing is installed up to level 6; panel installation is in progress
- Exterior wall panels installation is in progress on levels 2 through 6
- Riser ductwork and pipe installation is ongoing
- Storm/sanitary piping installation is ongoing
- Prepping electrical and HVAC for Forum space in anticipation of the concrete pour
- Rooftop equipment will be picked and set in early March; roof prep is ongoing
- Elevator rail delivery and shake out
Below Grade Activity / W. 131st Street Utilities
- Domestic water, sanitary, and storm-piping is ongoing at all levels
- Air handling units on Site 7 and W. 130th Street energy transfer room are being hooked up with piping and ductwork
- HVAC equipment installation in W. 130th street energy transfer room is progressing to completion
- The outdoor air riser for Site 7 is completed and pressure tested
- Fan coil units and package air conditioning units are being installed at sub-cellar level 1
- Installation of sprinkler and fire alarm systems are in progress
- Level 1 Plaza drainage, waterproofing, and topping slab development work is on-going
- Coring and piping for CDS unit # 3 (a unit captures and treats stormwater runoff onsite before entering the city’s sewer system)
W. 125th Street South Side Demolition
- Demolition of 3191 Broadway
- Awaiting New York City Department of Buildings approval of the demolition plans for the warehouse at 614 W. 125th Street and trash enclosure
- Submitted approvals to start Prentis east wall parging
- The New York City Department of Environmental Protection disconnect letter was received for the warehouse at 614 W. 125th Street
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
