IWS, under contract to the Adventist Health System, based in Sacramento, CA completed construction of Wastewater Treatment System at the Feather River Hospital Facility located in Paradise, CA. The Hospital was required to upgrade their existing septic tank and leach field primary treatment system as part of ongoing facility expansions, which will be completed over the next several years. The Wastewater System constructed by IWS is designed to convey, treat and disperse approximately 40,000 gallon per day and includes all hospital facilities including the cafeteria. Included in the Scope of Work is the following:
- Tree, stump removal and re-grading of the treatment and tank areas with approximately 2,300 cubic yards of native fill to meet new grades and site configuration.
- Installation of (5) 40,000 gallon fiberglass tanks, including (3) Septic tanks , (1) recirculation tank and a (1) dosing/clarifier tank. Installation of a new 20,000 gallon grease Interceptor tank, installed in line to handle the cafeteria and kitchen wastes.
- Construction of 10,000 feet of new pressure dose leach lines in a hilly and sloped terrain and several thousand feet of new sanitary sewer force mains.
- Slip Lining of approx 4,470 lineal feet of existing leach lines, with 1 1/2 inch pipe.
- Total leach field configuration has 14,470 linear feet of capacity.
- Construction of the treatment Compound which will include 21 Advantex AX 100’s with room for expansion to add another 9 treatment pods to the system.
- Construction of approx 1200 lineal ft. of new 6” sanitary sewer lines to convey the waste from the hospital to the upgraded treatment system. This includes installation of manholes, trenching, new bedding, piping and site restoration and asphalt repair.
- Construction of approx 700 feet of 12” storm drain and new drop inlets to control and divert the storm flows and by pass the treatment compound.
- Construction of a retaining wall and cobble lined ditches to provide structural and aesthetic elements to the overall treatment area.
- Construction of an access road and fencing for access to the treatment compound and the fence to provide security.
- Construction of a treatment system building and all electrical controls and service associated with the new treatment system
