{"c":"47-2053.00","n":"Terrazzo Workers and Finishers","d":"Apply a mixture of cement, sand, pigment, or marble chips to floors, stairways, and cabinet fixtures to fashion durable and decorative surfaces.","g":"47","tasks":[{"t":"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.","core":true,"id":9825,"r":62,"dt":"07/2015","src":"Incumbent"},{"t":"Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines.","core":true,"id":9829,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"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.","core":true,"id":9823,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips.","core":true,"id":9824,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used.","core":true,"id":9831,"r":62,"dt":"07/2015","src":"Incumbent"},{"t":"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.","core":true,"id":9827,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder.","core":true,"id":9828,"r":62,"dt":"07/2015","src":"Incumbent"},{"t":"Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.","core":true,"id":9832,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Position and secure moisture membrane and wire mesh in preparation for pouring base materials for terrazzo installation.","core":true,"id":9830,"r":60,"dt":"07/2015","src":"Incumbent"},{"t":"Fill slight grinding depressions with matching grout material and hand-trowel for a smooth, uniform surface.","core":true,"id":9838,"r":59,"dt":"07/2015","src":"Incumbent"},{"t":"Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment.","core":true,"id":9837,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.","core":true,"id":9834,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth with a trowel.","core":true,"id":9835,"r":60,"dt":"07/2015","src":"Incumbent"},{"t":"Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.","core":true,"id":9833,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Chip, scrape, or grind high spots, ridges, or rough projections to finish concrete, using pneumatic chisel, hand chisel, or other hand tools.","core":true,"id":9839,"r":60,"dt":"07/2015","src":"Incumbent"},{"t":"Mold expansion joints and edges, using edging tools, jointers, or straightedges.","core":true,"id":9826,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Move terrazzo installation materials, tools, machines, or work devices to work areas, manually or using wheelbarrow.","core":true,"id":9841,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.","core":true,"id":9840,"r":62,"dt":"07/2015","src":"Incumbent"},{"t":"Repair concrete by cutting out damaged areas, drilling holes for reinforcing rods, and positioning reinforcing rods, using power saw and drill.","core":false,"id":9836,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Precast terrazzo blocks in wooden forms.","core":false,"id":9845,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Wet concrete surface and rub with stone to smooth surface and obtain specified finish.","core":false,"id":9848,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Build wooden molds, clamping molds around areas to be repaired, or setting up frames to the proper depth and alignment.","core":false,"id":9842,"r":62,"dt":"07/2015","src":"Incumbent"},{"t":"Spread roofing paper on surface of foundation and spread concrete onto roofing paper with trowel to form terrazzo base.","core":false,"id":9846,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Produce rough concrete surface, using broom.","core":false,"id":9844,"r":60,"dt":"07/2015","src":"Incumbent"},{"t":"Remove frames when the foundation is dry.","core":false,"id":9847,"r":61,"dt":"07/2015","src":"Incumbent"},{"t":"Signal truck driver to position truck to facilitate pouring concrete and move chute to direct concrete on forms.","core":false,"id":9843,"r":61,"dt":"07/2015","src":"Incumbent"}]}