Install water supply, waste, steam, and gas lines and related fixtures and fittings in accordance with the plumbing code; review and interpret blueprints; design and layout plumbing systems; perform utility locating and documenting; cut, thread, weld or solder pipes; assemble and install valves, pipe fittings, insulation, and pipes; inspect for leakage; install sinks, toilets, bathtubs, water heaters, backflow devices, and other fixtures in accordance with applicable plumbing code. Troubleshoot, maintain, and repair plumbing systems; open clogged drains; replace broken lines; adjust pipe straps and hangers; maintain and repair heating and associated lines; repair or replace pumps, valves, low pressure systems, fixtures, and components including storage tanks and circulating systems to ensure systems and fixtures are in proper working order.