The Hendersonville WWTF Biosolids Thermal Dryer project consists of the construction of a new biosolids thermal drying facility at the City of Hendersonville’s Wastewater Treatment Facility (WWTF) located at 99 Balfour Road, Hendersonville, NC 28792. The project will include, but not be limited to: demolition of existing alkaline stabilization equipment including the lime day tank, volumetric feeder, lime feed screw, solids processor, decking, stairs and rail system, and associated power and controls equipment; installation of new dewatered cake conveyance equipment to feed dewatered cake from the existing dewatered cake conveyor to the new biosolids thermal dryer equipment; installation of a new biosolids thermal dryer system comprised of a dryer feed hopper, medium-temperature direct fired belt dryer, dried biosolids discharge auger, dried biosolids inclined screw conveyor, process blower, air heater, condenser, ductwork, cooling tower, cooling tower pump, wash stand, associated piping, instrumentation, electrical panel, and control panel; modifications to the existing covered storage shelter to enclose a portion of the existing structure for housing the new biosolids thermal dryer and associated equipment; modifications to the existing covered storage shelter to construct new concrete push walls and curtain walls on the northern and eastern sides for the storage of dried biosolids; replacement of the existing covered storage shelter roofing; site grading and disposal of excess excavated materials on-site; new concrete pavement, curb and gutter; installation of new potable water service; modifications to the existing 4” potable water service; installation of new natural gas service; installation of new sanitary drainage and connection to the existing in-plant sanitary sewer system; modifications to existing utilities and utility structures; installation of new electrical systems to serve the new Thermal Dryer Building and new equipment from existing on-site electrical power distribution systems; installation of new instrumentation, and integration of the new equipment, instrumentation, and controls into the existing facility SCADA system; installation of a new photovoltaic (PV) solar energy system; installation of a new site security network, security cameras, and door access control devices.
