According to people in this career, the main tasks are...
| Task | Importance |
|---|---|
| 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. | 91% |
| Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines. | 88% |
| 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. | 88% |
| Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips. | 86% |
| Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used. | 86% |
| 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. | 84% |
| Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer. | 83% |
| Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder. | 83% |
| Position and secure moisture membrane and wire mesh in preparation for pouring base materials for terrazzo installation. | 81% |
| Fill slight grinding depressions with matching grout material and hand-trowel for a smooth, uniform surface. | 80% |
| Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish. | 80% |
| Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment. | 80% |
| Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine. | 79% |
| Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth with a trowel. | 79% |
| Chip, scrape, or grind high spots, ridges, or rough projections to finish concrete, using pneumatic chisel, hand chisel, or other hand tools. | 78% |
| Move terrazzo installation materials, tools, machines, or work devices to work areas, manually or using wheelbarrow. | 76% |
| Mold expansion joints and edges, using edging tools, jointers, or straightedges. | 76% |
| Repair concrete by cutting out damaged areas, drilling holes for reinforcing rods, and positioning reinforcing rods, using power saw and drill. | 72% |
| Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven. | 69% |
| Precast terrazzo blocks in wooden forms. | 65% |
| Wet concrete surface and rub with stone to smooth surface and obtain specified finish. | 64% |
| Build wooden molds, clamping molds around areas to be repaired, or setting up frames to the proper depth and alignment. | 63% |
| Spread roofing paper on surface of foundation and spread concrete onto roofing paper with trowel to form terrazzo base. | 59% |
| Produce rough concrete surface, using broom. | 58% |
| Remove frames when the foundation is dry. | 57% |
| Signal truck driver to position truck to facilitate pouring concrete and move chute to direct concrete on forms. | 55% |
