The Project includes expanding the Influent pump station, headworks improvements including bar screens, vortex grit chamber, fine screens for the Membrane Bio-Reactor (MBR), and a screenings/grit building, two new primary clarifiers and primary clarifier covers. Provide improvements to the existing aeration basin including new aeration diffusers, mixed liquor pumps, and air headers. Demolish two secondary clarifiers and construct a 30 million gallon per day (MGD) MBR system for improved water quality. Construct a UV disinfection system for improved water quality. Construct a centralized odor control system for solids and liquids. Provide an emergency overflow and storm water system. Construct the new Mountain Avenue Lift Station and modify the City of Chino Hills Butterfield Ranch Pump Station. Construct a rotary drum thickening building for primary and secondary solids thickening. Provide phased digestion including acid phase digesters and methane digesters. Provide digested sludge storage. Construct a centrifuge dewatering building, biosolids cake storage, and centrate equalization. Provide digester gas treatment, digester gas flaring and emissions control systems for the existing Renewable Energy Efficiency Project engines. Construct a food waste receiving station and digestate transfer pump station at the Regional Water Recycling Plant No. 5 (RP-5) Solids Handling Facility.