Fort Wayne City Utilities in Indiana is in the process of prequalifying tunneling contractors for the Three Rivers Protection and Overflow Reduction Tunnel (3RPORT) Tunnel and Shafts Package.
This project will include approximately 25,000 ft of 16-ft finished diameter tunnel (18-ft bore), working shaft and nine drop shafts including about 1,760 ft of adit connections. The tunnel will be constructed at an average depth of approximately 200 ft which is expected to be within dolomitic limestone.
The construction shafts are expected to be up to 60 ft in diameter and drop shafts between 4 to 8 ft in diameter. The RFQ Application is available on the City of Fort Wayne’s website and the submission deadline is May 18, 2016.