Specifications include, but are not limited to: • Demolition of existing aeration tank mixing equipment and appurtenances. Installation of new aeration tank mixing equipment, appurtenances, material, and concrete access walkways • Demolition of existing process air piping, valve, and appurtenances located in valve vaults associated with individual aeration tank passes. Installation of new process air piping, valves, appurtenances, and material for process aeration control. • Demolition of existing process air piping, valves, and appurtenances associated with individual process aeration drop legs. Installation of new process air piping, valves, appurtenances, and material. • Installation of electric actuator, appurtenances, and material on aeration blower inlet valves. • Modifications to the existing blower building louvers. • Demolition of existing process air piping, valves, and appurtenances associated with solids holding tanks. Installation of new process air piping, diffusers, valves, appurtenances, and material. • Electrical and instrumentation improvements required for the incorporation of new Work. • Replacement of existing SCADA system with new hardware, software, programming, and configuration.