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|Project Title:||FORT PECK RESERVATION WATER TREATMENT PLANT|
|Estimated Value:||$25,000,000 (a more accurate cost estimate is available from RSMeans Online)|
Water Treatment,Sewage Treatment Construction of the Fort Peck Reservation Water Treatment Plant consists of, but is not necessarily limited to, the following major items: A. A new treatment plant main process building which houses the following major facilities: 1. One 30-inch mechanical in-line rapid mixer and one 42-inch influent flow meter. 2. Two ballasted focculation/sedimentation process trains, each with the following poured in place concrete basins: one coagulation tank with a 5-horsepower vertical mixer, one injection tank with a 5-horsepower vertical mixer, one maturation tank with a 10-horsepower mixer, and one sedimentation tank with lamella tube settlers and a sludge collection mechanism. Other associated equipment includes four sludge/microsand recirculation pumps and four sludge/microsand recirculation hydrocyclones. 3. Eight 26-feet long by 13-feet wide by approximately 21-feet depth poured in place concrete filter boxes containing gravity flow mixed media filtration systems, two 12-foot 6-inch diameter rotary surface wash agitator arms per filter box, washwater troughs, and filter appurtenances, piping and valves. 4. A 42-inch filter effluent collection pipe and 42-inch filter effluent flow meter, with a 3-horsepower vertical final effluent chemical mixer A single-level chemical feed and storage area for storing and housing various water treatment chemicals and feed systems equipment, including the following systems: a. Chlorination metering system. b. Ammoniation storage tank and metering system. c. Emergency chlorine gas leak scrubber system. d. Liquid ferric chloride storage tanks, metering pumps, and appurtenances. e. Cationic polymer storage tank, cationic polymer mixing and metering pumps,