TYPICAL WORK ACTIVITIES: Supervises and participates in the general work of maintaining and repairing County buildings, equipment, grounds or a sanitary sewer and its appurtenances; Participates in general repair work by laying out and scheduling work such as painting, replacement of non-working equipment, repair of furnishings, servicing plumbing and heating equipment, waxing floors, servicing lavatories and moving equipment, supplies or furnishings; Instructs workers, issues supplies and inspects work; Performs maintenance duties in a sewer district such as hand digging, laying and repairing of sewers, equipment and sludge beds, etc. Complies with various Occupational Safety & Health Administration laws and regulations, including reading and understanding Material Safety Data sheets relating to hazardous materials and other substances; Assists in the operation of hydraulic flusher and/or rodding machine, T.V. and grouting equipment and drives vehicles required to perform sewer district maintenance work; Performs work related to the operation of closed circuit telespection and internal grouting systems.