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For the purpose of Washington state public works law, chapter 39.12
RCW, refrigeration mechanics install industrial, commercial, residential, and marine refrigeration systems involved in cold storage, ice making, cooling, heating, air conditioning, humidifying, dehumidifying or dehydrating and charge (pump gas or fluid in the system), start, test, service, and repair the installed systems.
The work includes, but is not limited to:
• Lay out reference points for the installation of the structural and functional components, using tape, transit, plumb bob, level, and square.
• Lay out and drill holes and cut chases and channels, set and erect belts, inserts, stands, brackets, hangers, supports, sleeves, thimbles, conduits and hoses.
• Lay out, cut, thread, bend and connect pipe to functional components and water or power system of premises.
• Move, lift, and install all compressors, pumps, motors, controls, switches, gauges, valves, condensers, evaporators, and other fixtures and appurtenances included in such systems.
• Bolt, rivet, weld, braze and solder parts to structural and functional components.
• All clean-up work required in connection with refrigeration mechanics' work.
• Excluded is the installation of sheet metal duct work leading to and/or from units described above.
[Statutory Authority: Chapter 39.12
RCW, RCW 43.22.270
. WSR 00-15-077, § 296-127-01367, filed 7/19/00, effective 7/19/00.]