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Prepare and maintain logs, reports, or other documentation of work performed.
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Apply coatings or operate systems to mitigate corrosion of geothermal plant equipment or structures.
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Collect and record data associated with operating geothermal power plants or well fields.
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Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.
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Perform pre- and post-installation pressure, flow, and related tests of vertical and horizontal geothermal loop piping.
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Maintain electrical switchgear, process controls, transmitters, gauges, and control equipment in accordance with geothermal plant procedures.
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Install, maintain, or repair ground or water source-coupled heat pumps to heat and cool residential or commercial building air or water.
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Determine whether emergency or auxiliary systems will be needed to keep properties heated or cooled in extreme weather conditions.
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Calculate heat loss and heat gain factors for residential properties to determine heating and cooling required by installed geothermal systems.
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Operate equipment, such as excavators, backhoes, rock hammers, trench compactors, pavement saws, grout mixers or pumps, geothermal loop reels, and coil tubing units (CTU).
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Backfill piping trenches to protect pipes from damage.
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Test water sources for factors, such as flow volume and contaminant presence.
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Prepare newly installed geothermal heat systems for operation by flushing, purging, or other actions.
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Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding.
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Dig trenches for system piping to appropriate depths and lay piping in trenches.
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Design and lay out geothermal heat systems according to property characteristics, heating and cooling requirements, piping and equipment requirements, applicable regulations, or other factors.
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Identify equipment options, such as compressors, and make appropriate selections.
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Determine the type of geothermal loop system most suitable to a specific property and its heating and cooling needs.
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Install and maintain geothermal system instrumentation or controls.
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Integrate hot water heater systems with geothermal heat exchange systems.
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Adjust power production systems to meet load and distribution demands.
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Install and maintain geothermal plant electrical protection equipment.
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Maintain, calibrate, or repair plant instrumentation, control, and electronic devices in geothermal plants.
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Monitor and adjust operations of geothermal power plant equipment or systems.