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| Apply caulking compounds by hand or caulking guns to protect against entry of water or air. |
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| Apply weather-stripping to reduce energy loss. |
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| Clean or prepare construction sites to eliminate possible hazards. |
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| Control traffic passing near, in, or around work zones. |
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| Dig ditches or trenches, backfill excavations, or compact and level earth to grade specifications, using picks, shovels, pneumatic tampers, or rakes. |
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| Erect or dismantle scaffolding, shoring, braces, traffic barricades, ramps, or other temporary structures. |
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| Grind, scrape, sand, or polish surfaces, such as concrete, marble, terrazzo, or wood flooring, using abrasive tools or machines. |
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| Identify, pack, or transport hazardous or radioactive materials. |
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| Install sewer, water, or storm drain pipes, using pipe-laying machinery or laser guidance equipment. |
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| Load, unload, or identify building materials, machinery, or tools, distributing them to the appropriate locations, according to project plans or specifications. |
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| Lubricate, clean, or repair machinery, equipment, or tools. |
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| Measure, mark, or record openings or distances to layout areas where construction work will be performed. |
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| Mix ingredients to create compounds for covering or cleaning surfaces. |
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| Mix, pour, or spread concrete, using portable cement mixers. |
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| Mop, brush, or spread paints, cleaning solutions, or other compounds over surfaces to clean them or to provide protection. |
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| Operate jackhammers or drills to break up concrete or pavement. |
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| Operate or maintain air monitoring or other sampling devices in confined or hazardous environments. |
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| Perform building weatherization tasks, such as repairing windows, adding insulation, or applying weather-stripping materials. |
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| Perform construction laborer duties at green building sites, such as renewable energy plants or wind turbine installations. |
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| Perform site activities required of green certified construction practices, such as implementing waste management procedures, identifying materials for reuse, or installing erosion or sedimentation control mechanisms. |
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| Place, consolidate, or protect case-in-place concrete or masonry structures. |
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| Position or dismantle forms for pouring concrete, using saws, hammers, nails, or bolts. |
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| Position, join, align, or seal structural components, such as concrete wall sections or pipes. |
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| Provide assistance to craft workers, such as carpenters, plasterers, or masons. |
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| Raze buildings or salvage useful materials. |
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| Read plans, instructions, or specifications to determine work activities. |
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| Signal equipment operators to facilitate alignment, movement, or adjustment of machinery, equipment, or materials. |
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| Smooth or finish freshly poured cement or concrete, using floats, trowels, screeds, or powered cement finishing tools. |
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| Spray materials, such as water, sand, steam, vinyl, paint, or stucco, through hoses to clean, coat, or seal surfaces. |
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| Tend machines that pump concrete, grout, cement, sand, plaster, or stucco through spray guns for application to ceilings or walls. |
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| Tend pumps, compressors, or generators to provide power for tools, machinery, or equipment or to heat or move materials, such as asphalt. |
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| Transport or set explosives for tunnel, shaft, or road construction. |
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| Use computers or other input devices to control robotic pipe cutters or cleaners. |