Repair and maintain plumbing systems and components.
Identify required tools and special equipment.
Select the type and size of pipe required.
Locate and mark positions for connections and fixtures.
Install supports and hangers for pipe, fixtures and equipment.
Assemble and install valves and fittings.
Install, repair and maintain water treatment equipment, piping and controls.
Install, repair *and maintain sinks, tubs and toilets.
Test pipe systems and fixtures for leaks.
Perform scheduled maintenance service on plumbing systems and fixtures.