To perform a variety of skilled plumbing tasks in the repair and maintenance of public buildings and facilities; to perform the installation, maintenance and repair of Park irrigation systems and Park fixtures; and to perform a variety of plumbing tasks in assigned areas. Repair, inspect, maintain, troubleshoot, and install irrigation systems and components; repair water and sewer lines; unclog sinks, toilets, and urinals; repair leaks on faucets, drains, pumps, hot water tanks, piping, and valves.