UMass Memorial Health - - Responsibilities: Assembles, installs, and repairs pipes, fittings, and fixtures of heating, water, and drainage systems.; Locates and marks position of pipe and pipe connections and passage holes for pipes in walls and floors.; Cuts openings in walls and floors to accommodate pipe and pipe fittings.; Joins pipes by use of screws, bolts, fittings, solder, plastic solvent, and caulks joints.; Cuts and threads pipe and assembles and installs valves, pipe fittings, and pipes.