Directs and participates in the maintenance of a variety of equipment used at the WRRF including pumps, motors, chemical feeders, hydraulic/pneumatic systems, chlorinators, sulfonators, residual analyzers, transducers, screens, filters, pressure vessels, grinders, IC engine generators, valves, turntables, compressors, blowers, etc. Professional Association for City Employees (PACE): voluntary organization for professional development training classes, monthly membership meetings with a variety of speakers, and social functions designed to facilitate interaction with employees from all departments in a relaxed setting away from work.