Wailua SPS No. 3 Rehabilitation

The Wailua SPS No. 3 Rehabilitation project involves the rehabilitation of the Wailua Sewer Pumping Station No. 3. The project includes the installation of a backflow preventer, preconstruction and demolition, archaeological services, sitework, wetwell and piping, connection to existing sewer forcemain, emergency bypass suction piping, gravity system, bypass pumping, and electrical work. The contract was awarded to Alpha Inc. and Kiewit Infrastructure West Co. The project is funded by the State of Hawaii Clean Water State Revolving Fund and the County of Kauai. • The project includes the installation of a backflow preventer and submission of the annual backflow preventer device test to the Department of Water. • The project involves preconstruction and demolition, including a predemolition survey, archaeological inventory survey, erosion control, trees, hedges, chain link fencing, gate, wood fencing, sheds, excavation, backfill, and shoring and dewatering. • The project includes sitework, including concrete platform, stairs, and handrails, chain link fence, gate, concrete header, asphalt concrete and gravel surface restoration, pavement markings, traffic control, potable water line, hose bibs, and appurtenances. • The project involves the connection to the existing sewer forcemain, including excavation, shoring, cushion, backfill, concrete jacket, piping, fittings, and appurtenances. • The project includes emergency bypass suction piping, including 6" piping and fittings, pipe supports, excavation, pumping, steel plates, surface and manhole repair, traffic control, and testing. • The project involves the installation of a gravity system, including excavation, shoring, dewatering, bedding, backfill, manhole, connection to existing sewer, fittings, and appurtenances. • The project includes bypass pumping, including excavation, pumping, piping, steel plates, surface and manhole repair, traffic control, and testing. • The project involves electrical work, including electrical and instrumentation improvements.