These systems include, but are not limited to periodic maintenance, repair, and troubleshoot of system components such as; back flows, waste water bubbler flow meters, sampler systems, grease traps, domestic water, and domestic hot water systems and pumps, water heaters, faucets, drains, sinks, hoppers, showers, valves, installation, pipe repair and replacement, brazing, soldering, water coolers, filtration systems, fire pump, engine, and sprinkler systems to include flows and tampers, decontamination tanks, roof inspections, medical air, gas, and vacuum outlet maintenance, fire loop/hydrants, well pump. Properly operate pro-press machine, sewer augers, and general plumbing hand tools, sawzall, chop saw, pipe freezing machine, grinders, oxygen generator, personnel lift.