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Current Construction Activity
Slurry Wall and Foundation
Abatement and Demolition
Manhattan Valley Viaduct Preparation Work
- Broadway Viaduct Work (pdf)
The initial phase of development will include the Jerome L. Greene Science Center, the Lenfest Center for the Arts, a new home for the Columbia Business School, and an academic conference center. Later phases will emphasize interdisciplinary scholarship, including biomedical engineering, nanotechnology, systems biology, and urban and population studies, as well as housing for graduate students and faculty.
Should you have a question about construction activity, we encourage you to call the Columbia University Facilities Services Center at (212) 854-2222 or e-mail firstname.lastname@example.org.
Construction UpdatesTwo-week Look Ahead
Weeks of May 20 and 27, 2013
Abatement and Demolition
- This current phase of the project involves the abatement and demolition of 3 buildings, two of which are located on West 125th Street (between 12th Avenue and West 129th Street) and the remaining building on West 131st Street (between Broadway and 12th Avenue).
- Regular work hours are 7:00 a.m. to 6:00 p.m. Monday through Friday. Weekend work is also anticipated. Weekend lane closures on West 125th Street and a full closure of West 130th Street (from 12th Avenue to Broadway) are anticipated during the demolition period.
Slurry Wall and Foundations
- Workers will install foundation walls and other foundation elements to support the new buildings that will be constructed above this new below-grade space. This project is located within the eastern portion of the block bordered by West 129th Street, West 130th Street, Broadway, and 12th Avenue.
- Work is now in progress on the second phase of the slurry wall project, which involves installing new foundation walls for future buildings in Manhattanville. The new boundary for this phase of the slurry wall project includes the two city blocks bordered by West 129th Street/West 125th Street to the south, Broadway to the east, West 131st Street to the north, and 12th Avenue on the west.
- Work continues for the top-down construction, which involves excavation of soils for the ongoing construction of the Jerome L. Greene Science Center.
- Work hours for this project are 7:00 a.m. to 6:00 p.m.
- Additional work hours, until 10:00 p.m. on weekdays, may be required to complete concrete pours that began during regular work hours.
- There is weekend work scheduled for the upcoming weeks. Weekend activities may include on-site excavation, site logistic preparation and crane staging, as well as the maintenance of the slurry wall plant and equipment. Weekend work hours are 8:00 a.m. to 4:30 p.m.
- Activities include the delivery of equipment and materials to the site and trucking of soil off-site from excavation operations.
- Temporary traffic and transportation impacts:
- West 131st Street between Broadway to a point 400' west of Broadway is closed.
- Two lanes remain open on West 131st Street from 12th Avenue only. No parking is in effect in this area on West 131st Street between 12th Avenue and Broadway.
- West 130th Street between Broadway and 12th Avenue will maintain one eastbound traffic lane and the north sidewalk.
- There will be no standing on West 129th Street between Broadway and West 125th Street.
- Structural steel is being erected from the ground floor of the Jerome L. Greene Science Center.
- The steel will be bolted and welded as it is erected.
- Steel decking will be installed on the steel beams.
- Work hours for this project are 7:00 a.m. to 4:00 p.m., Monday through Friday.
- Dewatering will occur in phase 1A, 24 hours/day.
- Steel will be delivered to the site.
- Crane activity will off-load the steel members from the trucks and erect them in place on the structure.
Other Work (Manhattanville Valley Viaduct Preparation)
- Current work involves removing paint from portions of the bottom of the columns, subsurface investigation and test pits, and replacing the existing rivets with new high strength steel bolts.
- No parking is permitted under the MTA Viaduct on Broadway between 129th Street and 130th Street.
- One northbound lane and one southbound lane on Broadway will be closed from West 129th Street to 130th Street.
These activities are subject to change based on weather and other field conditions.