Designed and built an upgraded wastewater treatment system, using as much existing equipment as possible. Upgrade consisting of an equalization tank, a DAF unit, instrumentation, and piping reconfiguration. Prepared site, including leveling DAF area and layout arrangement. Provided on-site construction manager to ensure project proceeded smoothly. Provided and installed equipment, including DAF and DAT, 10,000-gallon polyethylene equalization tank, new pH probe and controller, caustic feed system, coagulant feed system, new flow meter and control valve. Oversaw modification of electrical and mechanical system. Tested components of all systems and made one-day crossover. Prepared operation maintenance manuals for all equipment.