Project Name: Columbia University Manhattanville Phase II – Business School, Ronald O. Perelman Center for Business Innovation and the Henry R. Kravis Building
Project Address: 615 West 131st Street, New York, NY 10027
Owner: Columbia University
Construction Manager/General Contractor: Lendlease Construction LMB Inc.
Geotechnical Engineer: Mueser Rutledge Consulting Engineers
Structural Engineer: WSP Group
Construction Dates (for our scope): November 2016 to February 2018 (steel turnover), August 2018 (substantial completion)
Major Technologies: Drilled Piles / Tieback Anchors / Concrete Pressure Slab and Sandwich Slab
Project Summary:
- The project consists of a 2-tower, 492,000 sf educational development situated on a 135,000 sf lot in upper Manhattan’s Manhattanville neighborhood.
- CCJV’s scope consisted of support of excavation, soil excavation and disposal, drilled piles, foundation concrete
- Excavated and disposed of 354,550 tons of soil. Worked closely with NYC Office of Environmental Remediation and consulting engineers to remediate and dispose of various levels of hazardous and contaminated soils.
- Furnished and installed 23ea support of excavation corner brace struts up to 135 ft in length
- CCJV’s subcontractor, Keller North America, drilled and installed approximately 312ea tiebacks for support of excavation.
- CCJV’s subcontractor, Keller North America, drilled and installed 1,600ea TB103/51 hollow bar piles which was a value engineered alternate to the specified pressure grouted piles.
- Installed approximately 3,350 tons of rebar and 24,000 cy of foundation concrete
- Dewatered the entire 3-acre site to 25 ft below natural groundwater table with local areas dewatered 40 ft below natural groundwater table
- Managed multiple subcontractors to efficiently and safely complete the project (on time or ahead of schedule)