# Cement Masons and Concrete Finishers > Smooth and finish surfaces of poured concrete, such as floors, walks, sidewalks, roads, or curbs using a variety of hand and power tools. Align forms for sidewalks, curbs, or gutters; patch voids; and use saws to cut expansion joints. - Code: 47-2051.00 (O*NET-SOC; SOC 2018 47-2051) - Family: [Construction & Extraction](https://foundation.org.ai/occupations#family-47), one of its 65 occupations - Tasks: 26 tasks (19 core and 7 supplemental) - Page: https://foundation.org.ai/occupations/47-2051.00 - JSON: https://foundation.org.ai/data/tasks/47-2051.00.json ## What the work is made of 1. Check the forms that hold the concrete to see that they are properly constructed. Core task · Task 7047 · Rated by 62 people who do the job, August 2018 2. Set the forms that hold concrete to the desired pitch and depth, and align them. Core task · Task 7048 · Rated by 62 people who do the job, August 2018 3. Spread, level, and smooth concrete, using rake, shovel, hand or power trowel, hand or power screed, and float. Core task · Task 7049 · Rated by 60 people who do the job, August 2018 4. Monitor how the wind, heat, or cold affect the curing of the concrete throughout the entire process. Core task · Task 7051 · Rated by 63 people who do the job, August 2018 5. Mold expansion joints and edges, using edging tools, jointers, and straightedge. Core task · Task 7050 · Rated by 59 people who do the job, August 2018 6. Signal truck driver to position truck to facilitate pouring concrete, and move chute to direct concrete on forms. Core task · Task 7052 · Rated by 62 people who do the job, August 2018 7. Direct the casting of the concrete and supervise laborers who use shovels or special tools to spread it. Core task · Task 7055 · Rated by 62 people who do the job, August 2018 8. Produce rough concrete surface, using broom. Core task · Task 7053 · Rated by 61 people who do the job, August 2018 9. Apply hardening and sealing compounds to cure surface of concrete, and waterproof or restore surface. Core task · Task 7061 · Rated by 60 people who do the job, August 2018 10. Operate power vibrator to compact concrete. Core task · Task 7054 · Rated by 60 people who do the job, August 2018 11. Install anchor bolts, steel plates, door sills and other fixtures in freshly poured concrete or pattern or stamp the surface to provide a decorative finish. Core task · Task 7069 · Rated by 60 people who do the job, August 2018 12. Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth, using trowel. Core task · Task 7059 · Rated by 61 people who do the job, August 2018 13. Waterproof or restore concrete surfaces, using appropriate compounds. Core task · Task 7068 · Rated by 62 people who do the job, August 2018 14. Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine. Core task · Task 7056 · Rated by 60 people who do the job, August 2018 15. Chip, scrape, and grind high spots, ridges, and rough projections to finish concrete, using pneumatic chisels, power grinders, or hand tools. Core task · Task 7062 · Rated by 60 people who do the job, August 2018 16. Cut out damaged areas, drill holes for reinforcing rods, and position reinforcing rods to repair concrete, using power saw and drill. Core task · Task 7057 · Rated by 60 people who do the job, August 2018 17. Wet concrete surface, and rub with stone to smooth surface and obtain specified finish. Core task · Task 7058 · Rated by 60 people who do the job, August 2018 18. Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven. Core task · Task 7060 · Rated by 58 people who do the job, August 2018 19. Build wooden molds, and clamp molds around area to be repaired, using hand tools. Core task · Task 7064 · Rated by 59 people who do the job, August 2018 20. Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish. Supplemental task · Task 7065 · Rated by 59 people who do the job, August 2018 21. Fabricate concrete beams, columns, and panels. Supplemental task · Task 7067 · Rated by 60 people who do the job, August 2018 22. Polish surface, using polishing or surfacing machine. Supplemental task · Task 7072 · Rated by 57 people who do the job, August 2018 23. Cut metal division strips, and press them into terrazzo base so that top edges form desired design or pattern. Supplemental task · Task 7066 · Rated by 60 people who do the job, August 2018 24. Push roller over surface to embed chips in surface. Supplemental task · Task 7071 · Rated by 58 people who do the job, August 2018 25. Apply muriatic acid to clean surface, and rinse with water. Supplemental task · Task 7070 · Rated by 58 people who do the job, August 2018 26. Spread roofing paper on surface of foundation, and spread concrete onto roofing paper with trowel to form terrazzo base. Supplemental task · Task 7063 · Rated by 58 people who do the job, August 2018 ## More in Construction & Extraction - [Boilermakers](https://foundation.org.ai/occupations/47-2011.00): 17 tasks - [Brickmasons and Blockmasons](https://foundation.org.ai/occupations/47-2021.00): 14 tasks - [Carpenters](https://foundation.org.ai/occupations/47-2031.00): 29 tasks - [Carpet Installers](https://foundation.org.ai/occupations/47-2041.00): 16 tasks - [Construction and Building Inspectors](https://foundation.org.ai/occupations/47-4011.00): 19 tasks - [Construction and Related Workers, All Other](https://foundation.org.ai/occupations/47-4099.00): no tasks listed - [Construction Laborers](https://foundation.org.ai/occupations/47-2061.00): 27 tasks - [Continuous Mining Machine Operators](https://foundation.org.ai/occupations/47-5041.00): 15 tasks - [Derrick Operators, Oil and Gas](https://foundation.org.ai/occupations/47-5011.00): 15 tasks - [Drywall and Ceiling Tile Installers](https://foundation.org.ai/occupations/47-2081.00): 26 tasks - 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