1. Inspects underground and exposed gas pipelines and enclosed areas to detect and locate leaks, using testing instruments: Walks or rides along pipelines and observes terrain for evidence of leaks, such as decayed vegetation, gas odor, and water bubbles. 2. Drives bar into ground at intervals near pipe, using sledgehammer, …
1. Assists GAS-LEAK INSPECTOR in locating and detecting leaks in underground and exposed pipelines: Carries testing equipment and handtools to and from vehicle to test site. 2. Places barricades and safety signs at test area and directs traffic to protect workers and public. 3. Measures distances of leak from reference …
1. Performs one or more of following tasks to test assembled and charged refrigeration units for refrigerant leaks: Adjusts controls to set balance and range of electronic leak tester. 2. Moves nozzle of tester along refrigerant lines, condenser, and compressor and listens for buzzer indicating presence of gas. 3. Narrows …
1. Lays pipe to repair and extend nonwelded gas mains and to install or repair service pipes between mains and residences: Drills hole in section of main to which new pipe will be fitted and inserts inflated rubber bag to seal off flow of gas. 2. Removes faulty pipe by …
1. Repairs and maintains gas-driven, internal-combustion engines that power electric generators, compressors, and similar equipment, using handtools and precision-measuring devices: Reads operating reports and diagnoses causes of trouble. 2. Disassembles engines and adjusts or replaces parts, using handtools. 3. Verifies clearances and adjustments, using precision-measuring devices. 4. Reassembles engines and …
1. Separates precut gaskets from strips of cork, rubber, or composition material and examines gaskets for defects, such as cuts or flaws in material. 2. Sorts gaskets according to type and places gaskets on table for packing.
1. Supervises and coordinates activities of workers engaged in fabricating and packing cork gaskets: Sets up machines, such as grinder, mixer, and punch press. 2. Observes operation of machines to detect malfunctions and adjusts machines, using handtools and measuring instruments, such as gauges, calipers, and micrometers. 3. Performs other duties …
1. Operates steam or internal combustion engines to transmit, compress, or recover gases, such as butane, nitrogen, hydrogen, and natural gas in various production processes: Moves controls and turns valves to start compressor engines, pumps, and auxiliary equipment. 2. Monitors meters, gauges, and recording instrument charts to ensure specified temperature, …
1. Operates stationary internal-combustion engines, using natural gas for fuel, to supply power for equipment, such as electrical generators and air or gas compressors: Starts auxiliary air compressor and turns compressed air and fuel valves to start engine. 2. Observes gauges and meters and adjusts controls to regulate ignition, governor, …
1. Assists GAS-APPLIANCE SERVICER in installing, testing, adjusting, and repairing regulators, ranges, and heaters, in customer’s establishments: Transports tools, parts, equipment, and appliances from truck to customer’s establishment, using handtruck. 2. Measures, cuts, threads, and connects pipe to feeder line and installed appliance, using pipe cutter, threader, and wrench. 3. …
1. Makes gas-check pads of plastic and wire screening to be used in breechblocks of bag-loading cannons: Mixes specified quantity of ingredients, such as vaseline, powdered asbestos, and graphite in agitator to form puttylike substance. 2. Presses specified amount of mixture between dies in hydrostatic press to form disk. 3. …
1. Tends machine, equipped with pen attachments and meter charts, that computes volume of gas flowing through meter: Positions chart on chart plate. 2. Starts machine to revolve chart and actuate computing mechanism. 3. Pulls levers to guide pens along static pressure and volume curve lines. 4. Removes chart and …
1. Refuels and oils motor vehicles, such as trucks and buses, in company garage: Refills vehicle radiator and washes windows of vehicle. 2. Transports materials, such as filled and empty oil drums, using forklift. 3. Compiles mileage records, fuel consumption log, and storage tank inventory.
1. Installs and repairs gas meters, regulators, ranges, heaters, and refrigerators in customer’s establishment, using manometer, voltmeter, handtools, and pipe-threading tools: Measures, cuts, and threads pipe and connects it to feeder line and equipment or appliance, using rule, pipe cutter, threader, and wrench. 2. Tests and examines pipelines and equipment …
1. Tends charging board that charges cooling units of refrigerators, freezers, or air-conditioners with gas refrigerant, using one of following methods: Sets indicator on charging board to control volume and type of refrigerant for unit being charged, following work order specifications. 2. Determines pressure in refrigeration unit, using mercury gauge. …
1. Coordinates flow of natural gas throughout distribution system of public utility or pipeline to ensure volume and pressure of gas required for consumers demands: Monitors telemetering panelboard to determine gas pressure and volume, and records instrument readings in log. 2. Reviews correlating data, such as gas quality, pressure and …
1. Inspects equipment and facilities used to store, transport, distribute, and measure liquefied petroleum or compressed or natural gas: Examines establishment inspection records to determine that establishment inspection schedule and remedial actions conform with procedures and regulations. 2. Examines containers, piping, tubing, and fittings for leaks and for adherence to …
1. Tends automatically controlled treating plant, consisting of absorption towers, actifiers, heat exchangers, pumps, and other auxiliary devices, that removes unwanted components and renders gas suitable for use as fuel: Observes gauges and meters to ascertain operating conditions and adjusts valves and controls accordingly. 2. Performs chemical tests on treating …
1. Tends machine that reduces rags and yarn waste to fiber for reuse: Feeds armfuls of waste into hopper of automatic feeder or opens and closes gates of blower pipes or conveyors when waste feeds from other machines. 2. Starts machine and wraps end of garnetted web around takeup roller …
1. Garnishes candy and fills dried or pitted fruit, such as prunes, dates, peaches, and figs, with nuts to make confections: Places nuts on top or presses them into candy or fruit items. 2. Rolls candy in chopped or ground nut meats to coat product. 3. May be designated according …
1. Examines altered garments to ensure compliance with standards: Removes lint and loose threads from garment. 2. Examines garment to ascertain that it is pressed, that buttons are sewed on, and that alterations have been completed. 3. Matches suit jacket, pants, or other parts to see that customer receives complete …
1. Folds garments for bagging or boxing, following guide marks on table or using folding board. 2. Secures folds with metal clips. 3. May insert tissue paper between folds. 4. May make final inspection of garment. 5. May pack garments in bags and boxes. 6. May be designated according to …
1. Inspects garments for defects in sewing, knitting, or finishing: Spreads garment on table or draws garment over inspection form. 2. Scans garment to detect defects, such as faulty seaming, incorrect sleeve or collar setting, misaligned fasteners or trim, and variations in color of fabric. 3. Examines fabric for mispicks, …
1. Sorts finished garments, such as shirts, dresses, and pajamas, according to lot and size numbers recorded on tags and labels attached to garments. 2. May fold and package garments in boxes and bags. 3. May iron garments prior to folding. 4. May be designated according to garment sorted as …
1. Tends machine that removes wrinkles from knitted garments with steam and hot air: Hangs garments on studs of revolving disk of machine. 2. Starts machine that subjects garments to steam spray and hot air as disk revolves. 3. Removes and stacks steamed garments on table.
