CBRE Government & Defense - - Responsibilities: Assembles and installs valves, pipe fittings, and pipes composed of metals and nonmetals using hand tools and power tools; Cuts openings in walls and floors to accommodate pipe and pipe fittings using hand tools and power tools; Locates and marks position of pipe and pipe connections and passage holes for pipes in walls and floors; Joins pipe by use of screws, bolts, fittings, solder, plastic solvent, and calks joints; Reads pressure gauges to determine whether the plumbing system is leaking