Occupation information for Terrazzo Workers and Finishers District Of Columbia

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Typical education needed for entry: High school diploma or equivalent

Typical work experience needed for a job in this occupation: No work experience

Typical on-the-job training once you have a job in this occupation: Apprenticeship

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• Measure designated amounts of ingredients for terrazzo or grout, according to standard formulas and specifications, using graduated containers and scales, and load ingredients into portable mixer.
• Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines.
• Cut metal division strips and press them into the terrazzo base for joints or changes of color to form designs or patterns or to help prevent cracks.
• Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips.
• Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used.
• Spread, level, or smooth concrete or terrazzo mixtures to form bases or finished surfaces, using rakes, shovels, hand or power trowels, hand or power screeds, or floats.
• Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder.
• Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.
• Position and secure moisture membrane and wire mesh in preparation for pouring base materials for terrazzo installation.
• Fill slight grinding depressions with matching grout material and hand-trowel for a smooth, uniform surface.

Tools:

• C clamps
• Claw hammer
• Concrete spreaders
• Power grinders
• Trowels

Technology:

• Accounting software
• Analytical or scientific software
• Operating system software
• Project management software
• Spreadsheet software

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