The Great Swamp Effluent Management System is a 500-acre natural wetland that the Beaufort-Jasper Water & Sewer Authority (BJWSA) uses to dispose of reclaimed effluent. Due to the volume of reclaim effluent being produced, the Great Swamp Disposal Expansion Project, designed by Hussey Gay Bell, looked at adding capacity to the current system. The Great Swamp Effluent Disposal Expansion project consisted of extending a new distribution header from Highway 278 to the Great Swamp. The project included approximately 8,000 feet of disposal pipeline and over 12,300 feet of new monitoring boardwalk to support the distribution header piping, and to allow even disbursement of effluent throughout the wetland and monitor and sample access. The new pipeline included 2,800 feet of trenched installation and a 4,100-foot horizontal directional drill (HDD) wetland crossing. 24-inch DR25 Fusible PVC® pipe was utilized for the trenched portion and 24-inch DR18 Fusible PVC® pipe for the HDD crossing.
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