Teresa Thurston Replacement OSS (Request For Quotation) Lake Tapps

Description: Provide installation of a replacement individual on-site septic system for an existing home. The Contractor shall install: 4-inch solid sewer pipe; one underground two-way cleanout; a 1,100-gallon concrete settling tank equipped with an effluent filter, traffic-rated risers, and gas-tight lids; a 1,250-gallon concrete pump tank equipped with traffic-rated risers and gas-tight lids and an effluent pump (Liberty FL70 Series or approved equal) complete with all required controls; 2-inch effluent transport line and manifold; and a gravel trench drainfield with 1.5-inch lateral piping. A gravel-less chamber system may be installed in lieu of the gravel trench drainfield in accordance with the County-approved septic system design. See attached file.