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Terrazzo Workers and Finishers - 47-2053.00

O*NET-SOC Description

Apply a mixture of cement, sand, pigment, or marble chips to floors, stairways, and cabinet fixtures to fashion durable and decorative surfaces.

Sample of Reported Job Titles

Grinder
Installer
Terrazzo Finisher
Terrazzo Grinder
Terrazzo Installer

Terrazzo Journeyman
Terrazzo Laborer
Terrazzo Mechanic
Terrazzo Tile Setter
Terrazzo Worker

SOC Occupation Groups

47-0000	Construction and Extraction Occupations
47-2000	Construction Trades Workers
47-2050	Cement Masons, Concrete Finishers, and Terrazzo Workers
47-2053.00	Terrazzo Workers and Finishers

Related Occupations

47-2021.00	Brickmasons and Blockmasons
47-2022.00	Stonemasons
47-2042.00	Floor Layers, Except Carpet, Wood, and Hard Tiles Bright Outlook
47-2043.00	Floor Sanders and Finishers
47-2044.00	Tile and Stone Setters
47-2051.00	Cement Masons and Concrete Finishers
47-3011.00	Helpers--Brickmasons, Blockmasons, Stonemasons, and Tile and Marble Setters
51-7021.00	Furniture Finishers
51-9195.00	Molders, Shapers, and Casters, Except Metal and Plastic
51-9195.03	Stone Cutters and Carvers, Manufacturing

Tasks

Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips.
Build wooden molds, clamping molds around areas to be repaired, or setting up frames to the proper depth and alignment.
Chip, scrape, or grind high spots, ridges, or rough projections to finish concrete, using pneumatic chisel, hand chisel, or other hand tools.
Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.
Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment.
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.
Fill slight grinding depressions with matching grout material and hand-trowel for a smooth, uniform surface.
Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder.
Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines.
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.
Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.
Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used.
Mold expansion joints and edges, using edging tools, jointers, or straightedges.
Move terrazzo installation materials, tools, machines, or work devices to work areas, manually or using wheelbarrow.
Position and secure moisture membrane and wire mesh in preparation for pouring base materials for terrazzo installation.
Precast terrazzo blocks in wooden forms.
Produce rough concrete surface, using broom.
Remove frames when the foundation is dry.
Repair concrete by cutting out damaged areas, drilling holes for reinforcing rods, and positioning reinforcing rods, using power saw and drill.
Signal truck driver to position truck to facilitate pouring concrete and move chute to direct concrete on forms.
Spread roofing paper on surface of foundation and spread concrete onto roofing paper with trowel to form terrazzo base.
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.
Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.
Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.
Wet concrete surface and rub with stone to smooth surface and obtain specified finish.
Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth with a trowel.