Improvements to the ozonization and oxygenation processes at two water treatment plants. Scope included replacing the ozone systems (generators, power supply units, and ozone destruction systems), hydrogen peroxide system and associated piping. Installation of a new Liquid Oxygen (LOX) system, a supplemental Nitrogen System, a new emergency generator and fuel tank also provided. Extensive electrical system modifications at each location was required. Self-performed work included concrete forming plus installation of structural steel, miscellaneous metal, mechanical equipment, and piping.