Triad Engineering
Triad Engineering

CSO 049 & 050 Relocation, Cleveland, OH

Client:  Northeast Ohio Regional Sewer District
Consulting Engineer:  Brown and Caldwell
Contract Amount:  $6,843,400.00

Scope: Four shafts: Diameter: 24’, Depth: 30-100’, Liner: Monolithic concrete and precast

Summary: CSO tunnel installation including multiple curves, baffle drop to lowered outlet. Excavation in shale bedrock using a Lovat RM83 shielded TBM. Various open cut connections and structures at upper end. Lower end outlet to Big Creek.

Completion dates: Tunnel completed May 2015, Final project completion: December 2015.

Contact Us

Ohio Office

9715 Clinton Road
Brooklyn, OH 44144
Phone: 440.786.1000
Fax: 216.651.0754

e-mail Triad Engineering

South Carolina Office

480 Jessen Lane, Unit H
Charleston, SC 29492
Phone: 843.416.1112
Fax: 843.416.1192