History of plumbing systems, Basic definitions; Water sources, water quality and treatment, drinking water quality. Basic fluid mechanics principles, building cold water supply systems and design, building hot water supply systems and design. Valves in water supply systems and selection, plumbing materials; plumbing fixtures. Building soil and waste drainage systems (internal and external), traps, clean-outs, interceptors, and back water valves; indirect waste piping and special wastes; drainage systems design; vents and venting; design of storm water drains; building fire fighting systems.