1 Ammonia Feed System. a. Add new Aqua Ammonia chemical feed system with injection into the finished water main after the High Service Pumps. b. One (1) Aqua Ammonia storage totes, new chemical metering pump skid, and associated chemical piping and valves housed in a new Fiberglass Reinforced Plastic building on a concrete pad. 2 Sedimentation Basin Sludge Removal System. Add new traveling suction type sludge removal system to each of the existing two (2) sedimentation basins. Sludge will discharge via automated valves to discharge box and to backwash holding/sludge thickener tank. 3 Replacement of the flash mix motor and flocculation mix motors with new motors on the existing units. 4 Replace existing buried decant valves at backwash holding /sludge thickener tank as shown on Drawings. Install new ultrasonic level probe in the existing tank for liquid level measurement.
