CHEMICAL PHOSPHORUS REMOVAL FACILITY a. Furnish and install two (2) fiberglass reinforced plastic chemical storage tanks with heat panels and insulation. Provide heat tracing for the tanks’ bottom drains. b. Furnish and install a Chemical Tanks Containment Structure, which includes but is not limited to a foundation; concrete secondary containment walls for the FRP storage tanks; and concrete walls and roof for a Chemical Pump Room that will house the chemical dosing pumps and accessories. c. Furnish and install three (3) chemical dosing pumps on a single skid. d. Furnish and install single-wall PVC piping, double-wall PVC piping, and associated valves. PVC piping runs from the truck unloading connection to the storage tanks, from the storage tanks to the Chemical Pump Room, and from the Chemical Pump Room to Battery A’s North Service Tunnel, and from the North Service Tunnel to dosing points at Battery A’s Mixed Liquor Channel A-1, Battery A’s Mixed Liquor Channel A-2, and Battery B’s East Influent Channel. Provide heat tracing for outdoor PVC piping. e. Furnish and install a total of three (3) emergency eye wash and shower stations at the following locations: (1) outdoors in the chemical containment area, (2) outdoors at the truck unloading area, and (3) inside the Chemical Pump Room. Furnish and install one (1) tepid water skid outside the Chemical Pump Room, and associated piping, to convey tepid water to the three (3) eye wash and shower stations. Provide heat tracing for outdoor piping. f. Furnish and Install (1) wall mounted supply fan, one (1) wall mounted exhaust fan and (1) electric unit heater inside the Chemical Pump Room. g. Modify existing Emerson DCS system programming and graphics to provide for the control and monitoring of the entirety of the chemical storage and feed system including integration of dosing pumps, level gauges, and other instrumentation to the DCS. h. Demolish and remove existing asphalt or concrete road, gravel and subgrade as required at the work site. Provide modifications to existing roads for truck delivery to the Chemical Tanks Containment Structure. Furnish and install traffic control signage. Restore surrounding site and existing pavement as needed. Grade and provide positive drainage around work site. Provide concrete sidewalks and concrete ramp in vicinity of Chemical Tanks Containment Structure. Provide landscaping to screen the facility from residential buildings to the north, along the berm outside the fence line. i. Furnish and install a Chemical Sump Structure, which will collect drainage from the truck unloading area and Chemical Pump Room.
