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AECOM Technology Corp. (Los Angeles, CA) announced that it has been hired by the city of Indianapolis to provide construction management services in connection with the construction of the $280 million Deep Rock Tunnel Connection (DRTC) and an associated dewatering pump station. The construction project represents an initial phase of a combined sewer overflow (CSO) control program initiated by Citizens Energy Group, a local utility that acquired the city’s wastewater utility assets in late August. The main tunnel consists of approximately 41,600 feet of an 18-foot-diameter tunnel at a depth of 230 feet. The downstream dewatering pump station has a discharge capacity of 90 million gallons per day (mgd) and an installed capacity of 120 mgd, which discharges to the Southport Advanced Wastewater Treatment Facility. The AECOM contract has an estimated value of about $25 million.