Furthermore, economic development would be threatened because no additional wastewater flow can be added to the sewer lines. If nothing is done, ReWa’s sewer lines, and the area along the Reedy River, would be at higher risk for the environmental impact of sewer overflows. The current system for the Reedy River Basin, which serves downtown Greenville all the way to Travelers Rest, is nearing capacity. Why does this project need to happen now? The tunnel is bored from one end, resulting in surface impact only at either end of the tunnel, rather than all along the sewer route if conventional construction methods were used. ReWa initially studied eighteen project alternatives for this project and we chose this design because it features the lowest life-cycle cost and the least impact on the public. What is a gravity sewer tunnel and why is REWA using it?Ī gravity sewer tunnel conveys wastewater using no mechanical equipment. Mitigation of risk backups and overflows in existing system, additional storage and capacity during wet weather events, upgrades to meet potential future capacity needs and demands on current system. The tunnel excavation is approximately 11 feet, approximately 6,000 feet long, and will house a 7-foot diameter fiberglass reinforced carrier pipe to convey peak wet-weather flows. The RRBST receives flow upstream at Riley Street, near the Kroc Community Tennis Center, and delivers flow westward to the existing system in Cleveland Park. The Reedy River Basin Sewer Tunnel (RRBST), or also known as Dig Greenville, is a wastewater project to alleviate the current risks of backups in the City of Greenville’s wastewater collection system during peak wet-weather events. This project is partially funded with EPA funding.
This Project is Administered by SC Department of Health and Environmental Control’s State Revolving Fund Section. This unique project will serve the downtown area up into the northern part of the county. It will feature a gravity sewer tunnel, 100 feet below ground, 11 feet in diameter, spanning from Westfield Street to Cleveland Park in Downtown Greenville. Dig Greenville is ReWa’s largest wastewater conveyance project that will address some of the county’s 100-year sewage needs.
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