Maintains, repairs, and tests a variety of complex equipment and systems involving new and existing utility, supply, and disposal systems and equipment such as fire suppression systems, water distribution pumps, water treatment systems, chemical dispensers, electronic and mechanical altitude valves, sewage lift station pumps, natural gas distribution system components, water closets, faucets, and backflow prevention assemblies. Performs preventative and scheduled maintenance on a variety of complex fire suppression systems. Installs, tests, modifies, troubleshoots, repairs, and replaces a variety of complex fire suppression systems and components. Measures, cuts, threads, joins and fits piping as required to perform fire suppression system modification or to repair/replace system components. Installs, tests, modifies, troubleshoots, repairs and replaces backflow prevention devices. Troubleshoots, overhauls, removes, and replaces high/low level controls, liquid level gauges, automatic valves, pressure regulating valves, water drain valves, and sump pumps. Cleans and purges equipment. Disassembles units and examines component parts for evidence of scratches, wear, cracks, pits, or brakes. Accomplishes work from initial layout to final assembly which involves interpreting and applying building plans, specifications, blueprints, sketches, and other plumbing guides/codes.
Performs all phases of liquid fuel system and component maintenance including preventive maintenance, troubleshooting, repair, and modification. Removes, installs, repairs, and troubleshoots component parts of fuel systems to correct malfunctions of turbine, centrifugal, and rotary pumps, manually operated plug/ball valves, hydraulically-operated diaphragm-type valves, pilot control systems, tank gauges and vents, filter separators, fuel flow meters, hydrant outlets, differential pressure gauges, and truck loading and fill connections. Performs modification of systems in accordance with applicable manuals, technical publications, and manufacturer's specifications. Lubricates valves and pumps; replaces gaskets and seals; corrects pumping equipment misalignment; cleans strainers and filters; services filter separators; and checks meters for correct delivery and calibration. Troubleshoots, overhauls, removes, and replaces high/low level controls, liquid level gauges, automatic fueling/defueling valves, pressure regulating valves, water drain valves, excess flow valves, pressure/vacuum vents, and roof seals and sumps. Cleans and purges equipment. Disassembles units and examines component parts for evidence of scratches, wear, cracks, pits, or breaks. Troubleshoots, repairs, and tests equipment installed in vehicle gas stations and truck loading fill stands. Performs liquid calibration of fuel storage tanks and flow meters. Measures, cuts, threads, joins, and fits piping as required to perform system modification or to repair/replace system components. Uses specialized equipment to identify exact location of underground water, sewer, fuel, and natural gas lines.
Troubleshoots and repairs problems in the electrical components of water, sewage, natural gas, fire suppression, and fuel distribution systems. Performs electrical inspection of electro-mechanical components. Uses multimeter to check system continuity and identify minor system problems. Replaces burned out fuses. Diagnoses, repairs, and adjusts electrical components such as electrical controls, motors, and other devices using electrical measuring equipment (e.g., voltmeters, ammeters, and ohmmeters). Examines motors, diagnoses defects, and makes on-site repairs when possible. Disconnects motors requiring major repair and transports to shop. Uses ohmmeter or megger instrument to test static ground throughout system. Adjusts, aligns, and calibrates gauges and meters to ensure maximum operating efficiency. Installs and performs pressure tests for operation of new, repaired, and modified components, valves, and controls. Performs inspection, maintenance, and repairs on all controls, switches, and connecting and ground cables.
Participates in cleaning the interior surface of bulk storage tanks, above and below ground, by entering tanks. Cleans interior surface and tests seams and other areas suspected of leakage. Performs corrosion control by removing corrosion and repainting surfaces. Removes and disposes of sludge. Follows safety precautions in tank entry, ventilation tasks, and in disposing of sludge.
Utilizes safety practices and procedures following established safety rules and regulations and maintains a safe and clean work environment. Uses and assures proper fit of required safety equipment (i.e., foot, eye, breathing, and ear protective gear) and clothing (i.e., cotton). Polices grounds, buildings, and pits to maintain area in accordance with fire prevention and security directives.