Locate and mark positions for pipe connections, passage holes and fixtures in walls and floors
Cut opening in walls and floors to accommodate pipe and pipe fittings
Join pipes using couplings, clamps, screws, bolts, cement or soldering, brazing and welding
equipment
Test pipes for leaks using air and water pressure gauges
Determine piping system requirements and pipe sizing
Measure, cut, thread and bend pipes to required shape and size