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| Parsons and JA to oversee work on South Cobb Tunnel Parsons and its subcontractor, Jacobs Associates (JA), have been awarded a contract by the Cobb County Water System (CCWS) to oversee work on the South Cobb Tunnel in Cobb County, Georgia. The estimated construction cost of the project is $200 million. Parsons and JA will oversee construction activities, make independent cost estimates to validate those made by the engineering team, advise CCWS on contracting issues, implement a quality control plan, and assist with community outreach. The South Cobb Tunnel consists of approximately 30,000 ft of 27-ft-diameter tunnel, concrete lining, construction and drop shafts, inlet structures, and smaller connector tunnels. The project also includes a 130-MGD lift station, constructed in a 100-ft-diameter shaft, to convey wastewater flows from the tunnel to the South Cobb Water Reclamation Facility. When operational in 2013, the South Cobb Tunnel will replace existing wastewater infrastructure nearing capacity and provide conveyance capacity for anticipated build-out of the basin. write your comments about the article :: © 2007 Construction News :: home page |