Completed in 1988 by Mole Constructors, the Heights Hilltop Contract No. 3 project entailed approximately 13,000 linear feet of 144-inch tunnel, employing a Lovat 144-inch Tunnel Boring Machine. The tunnel was excavated through layers of silty clay and shale at a depth of 40 feet.
Project Details
- Owner: Northeast Ohio Regional Sewer District
- Location: Cleveland, Ohio, United States
- Performed as: Mole Constructors, Inc.
- Project value: $12,266,150.00
- Completion Date: 1988