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99 <br /> Hands Four Development Cooperative <br /> -"V;IY'iddlehead- PO Box 1201 Carrboro,NC 27510 <br /> Corner HandsFourDevelopment@gmail.com <br /> Wastewater Collection and Treatment - WD will build and operate a community wastewater <br /> system to service all the residence and common buildings of the community. This system will <br /> consist of STEP (septic tank effluent pressurized) tanks, a central secondary treatment plant <br /> and subsurface effluent discharge areas. STEP tanks allow settling of solid matter, with dilute <br /> discharge liquid that can be conveyed through small-diameter mains under pressure to follow <br /> topography rather than rely on gravity. Secondary treatment with a circulation over a textile <br /> medium efficiently creates a highly purified odorless effluent. This effluent is suitable for <br /> reclaimed water uses and such use will be evaluated. <br /> Subsurface discharge is a technique using a small diameter tubing that can be implemented in <br /> forested areas with only the removal of brush and scrub. Areas sufficient for the anticipated <br /> discharge have been reserved for that purpose in the Master Plan. Soils in those areas were <br /> evaluated and found to have sufficient long-term acceptance rates to support the expected <br /> effluent rates. A commercial operator will be contracted to manage the system. <br /> The location of the STEP collection tanks, the collection system, the treatment facilities and <br /> the primary wastewater distribution area are shown on the Utility Plan exhibit. <br /> H4D Utilities, Pg 2 <br />