Concrete placers, concrete finishers and related workers
An AI agent can at least partly carry out 0.0% of the task time of concrete placers, concrete finishers and related workers, and finish 0.0% alone. Most of the rest requires physical presence.
418th of 433 · interval 0.0–0.0
201st of 433 · interval 0.0–0.0
429th of 433 · interval 4.3–8.8
task statements rated by two models and weighted by importance and frequency. World employment: 1.5 million.
How the tasks rate
What stops the agent
Share of task weight flagged by each barrier; a task can carry several.
| Task statement (O*NET occupation) | Sonnet · Haiku | Barriers | ||||
|---|---|---|---|---|---|---|
| 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.Terrazzo Workers and Finishers | 2.7% | L0 | L0L0 | 4% | 15 min | Physical presence, Access to systems |
| Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines.Terrazzo Workers and Finishers | 2.5% | L0 | L0L0 | 2% | 3.0 h | Physical presence, Access to systems |
| Spread, level, and smooth concrete, using rake, shovel, hand or power trowel, hand or power screed, and float.Cement Masons and Concrete Finishers | 2.4% | L0 | L0L0 | 2% | 2.0 h | Physical presence, Access to systems |
| Check the forms that hold the concrete to see that they are properly constructed.Cement Masons and Concrete Finishers | 2.3% | L1 | L1L1 | 18% | 35 min | Physical presence, Accountability, Access to systems |
| Mold expansion joints and edges, using edging tools, jointers, and straightedge.Cement Masons and Concrete Finishers | 2.2% | L0 | L0L0 | 4% | 45 min | Physical presence |
| Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used.Terrazzo Workers and Finishers | 2.1% | L1 | L1L2 | 25% | 1.1 h | Physical presence, Accountability, Access to systems |
| Monitor how the wind, heat, or cold affect the curing of the concrete throughout the entire process.Cement Masons and Concrete Finishers | 2.1% | L1 | L1L2 | 40% | 2.5 h | Physical presence, Access to systems |
| 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.Terrazzo Workers and Finishers | 2.1% | L0 | L0L0 | 2% | 2.5 h | Physical presence, Access to systems |
| 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.Terrazzo Workers and Finishers | 2.0% | L0 | L0L0 | 4% | 45 min | Physical presence |
| Signal truck driver to position truck to facilitate pouring concrete, and move chute to direct concrete on forms.Cement Masons and Concrete Finishers | 2.0% | L0 | L0L0 | 2% | 20 min | Physical presence, Trust and care, Access to systems |
| Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment.Terrazzo Workers and Finishers | 2.0% | L0 | L0L0 | 2% | 1.0 h | Physical presence |
| Supply and place base materials, edge restraints, bedding sand and jointing sand.Segmental Pavers | 2.0% | L0 | L0L1 | 6% | 6.0 h | Physical presence |
| Produce rough concrete surface, using broom.Cement Masons and Concrete Finishers | 2.0% | L0 | L0L0 | 2% | 25 min | Physical presence |
| Set the forms that hold concrete to the desired pitch and depth, and align them.Cement Masons and Concrete Finishers | 1.9% | L0 | L0L1 | 6% | 2.3 h | Physical presence |
| Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder.Terrazzo Workers and Finishers | 1.9% | L0 | L0L0 | 2% | 2.0 h | Physical presence |
Show the other 49 tasks
| Task statement (O*NET occupation) | Sonnet · Haiku | Barriers | ||||
|---|---|---|---|---|---|---|
| Set pavers, aligning and spacing them correctly.Segmental Pavers | 1.9% | L0 | L0L0 | 4% | 2.0 h | Physical presence |
| Prepare base for installation by removing unstable or unsuitable materials, compacting and grading the soil, draining or stabilizing weak or saturated soils and taking measures to prevent water penetration and migration of bedding sand.Segmental Pavers | 1.9% | L0 | L0L1 | 10% | 4.0 h | Physical presence, Access to systems |
| Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips.Terrazzo Workers and Finishers | 1.9% | L0 | L0L0 | 4% | 1.4 h | Physical presence |
| Cut paving stones to size and for edges, using a splitter and a masonry saw.Segmental Pavers | 1.9% | L0 | L0L0 | 4% | 12 min | Physical presence, Access to systems |
| Move terrazzo installation materials, tools, machines, or work devices to work areas, manually or using wheelbarrow.Terrazzo Workers and Finishers | 1.9% | L0 | L0L0 | 1% | 25 min | Physical presence |
| Compact bedding sand and pavers to finish the paved area, using a plate compactor.Segmental Pavers | 1.9% | L0 | L0L0 | 2% | 2.8 h | Physical presence |
| Direct the casting of the concrete and supervise laborers who use shovels or special tools to spread it.Cement Masons and Concrete Finishers | 1.9% | L0 | L0L2 | 14% | 3.0 h | Physical presence, Accountability, Trust and care, Access to systems |
| Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.Terrazzo Workers and Finishers | 1.8% | L0 | L0L0 | 6% | 2.3 h | Physical presence |
| Screed sand level to an even thickness, and recheck sand exposed to elements, raking and rescreeding if necessary.Segmental Pavers | 1.8% | L0 | L0L0 | 2% | 45 min | Physical presence |
| Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth, using trowel.Cement Masons and Concrete Finishers | 1.8% | L0 | L0L0 | 2% | 52 min | Physical presence |
| Fill slight grinding depressions with matching grout material and hand-trowel for a smooth, uniform surface.Terrazzo Workers and Finishers | 1.7% | L0 | L0L1 | 2% | 35 min | Physical presence, Access to systems |
| Sweep sand from the surface prior to opening to traffic.Segmental Pavers | 1.7% | L0 | L0L0 | 1% | 45 min | Physical presence |
| Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.Cement Masons and Concrete Finishers | 1.7% | L0 | L0L0 | 4% | 25 min | Physical presence |
| Design paver installation layout pattern and create markings for directional references of joints and stringlines.Segmental Pavers | 1.7% | L1 | L1L2 | 35% | 1.8 h | Physical presence, Access to systems |
| Discuss the design with the client.Segmental Pavers | 1.6% | L1 | L1L2 | 35% | 1.0 h | Trust and care, Access to systems |
| Apply hardening and sealing compounds to cure surface of concrete, and waterproof or restore surface.Cement Masons and Concrete Finishers | 1.6% | L0 | L0L0 | 6% | 1.8 h | Physical presence |
| Sweep sand into the joints and compact pavement until the joints are full.Segmental Pavers | 1.6% | L0 | L0L0 | 2% | 1.3 h | Physical presence |
| Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.Terrazzo Workers and Finishers | 1.6% | L0 | L0L0 | 2% | 35 min | Physical presence, Access to systems |
| Chip, scrape, or grind high spots, ridges, or rough projections to finish concrete, using pneumatic chisel, hand chisel, or other hand tools.Terrazzo Workers and Finishers | 1.6% | L0 | L0L0 | 2% | 52 min | Physical presence |
| Mold expansion joints and edges, using edging tools, jointers, or straightedges.Terrazzo Workers and Finishers | 1.6% | L0 | L0L0 | 2% | 45 min | Physical presence |
| Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.Terrazzo Workers and Finishers | 1.6% | L0 | L0L0 | 4% | 25 min | Physical presence |
| Position and secure moisture membrane and wire mesh in preparation for pouring base materials for terrazzo installation.Terrazzo Workers and Finishers | 1.6% | L0 | L0L0 | 4% | 1.5 h | Physical presence, Access to systems |
| Chip, scrape, and grind high spots, ridges, and rough projections to finish concrete, using pneumatic chisels, power grinders, or hand tools.Cement Masons and Concrete Finishers | 1.6% | L0 | L0L0 | 2% | 1.3 h | Physical presence, Access to systems |
| Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth with a trowel.Terrazzo Workers and Finishers | 1.5% | L0 | L0L0 | 2% | 1.3 h | Physical presence |
| Operate power vibrator to compact concrete.Cement Masons and Concrete Finishers | 1.5% | L0 | L0L0 | 1% | 45 min | Physical presence |
| Waterproof or restore concrete surfaces, using appropriate compounds.Cement Masons and Concrete Finishers | 1.4% | L1 | L1L1 | 12% | 3.5 h | Physical presence |
| Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.Terrazzo Workers and Finishers | 1.4% | L0 | L0L0 | 0% | 15 min | Physical presence |
| 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.Cement Masons and Concrete Finishers | 1.3% | L0 | L0L1 | 9% | 1.3 h | Physical presence, Accountability |
| Wet concrete surface, and rub with stone to smooth surface and obtain specified finish.Cement Masons and Concrete Finishers | 1.3% | L0 | L0L0 | 1% | 1.0 h | Physical presence |
| Fabricate concrete beams, columns, and panels.Cement Masons and Concrete Finishers · supplemental task | 1.3% | L0 | L0L1 | 12% | 6.0 h | Physical presence, Accountability, Access to systems |
| Build wooden molds, and clamp molds around area to be repaired, using hand tools.Cement Masons and Concrete Finishers | 1.3% | L0 | L0L1 | 6% | 1.5 h | Physical presence |
| Repair concrete by cutting out damaged areas, drilling holes for reinforcing rods, and positioning reinforcing rods, using power saw and drill.Terrazzo Workers and Finishers · supplemental task | 1.3% | L0 | L0L0 | 4% | 2.0 h | Physical presence |
| Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.Cement Masons and Concrete Finishers | 1.2% | L0 | L0L0 | 2% | 12 min | Physical presence |
| Cut out damaged areas, drill holes for reinforcing rods, and position reinforcing rods to repair concrete, using power saw and drill.Cement Masons and Concrete Finishers | 1.2% | L0 | L0L1 | 5% | 3.0 h | Physical presence |
| Cut metal division strips, and press them into terrazzo base so that top edges form desired design or pattern.Cement Masons and Concrete Finishers · supplemental task | 1.2% | L0 | L0L1 | 5% | 1.8 h | Physical presence |
| Wet concrete surface and rub with stone to smooth surface and obtain specified finish.Terrazzo Workers and Finishers · supplemental task | 1.1% | L0 | L0L0 | 2% | 1.5 h | Physical presence |
| Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.Cement Masons and Concrete Finishers · supplemental task | 1.1% | L0 | L0L0 | 2% | 30 min | Physical presence |
| Resurface an outside area with cobblestones, terracotta tiles, concrete or other materials.Segmental Pavers | 1.1% | L0 | L0L1 | 9% | 13 h | Physical presence |
| Polish surface, using polishing or surfacing machine.Cement Masons and Concrete Finishers · supplemental task | 1.1% | L0 | L0L0 | 2% | 2.8 h | Physical presence, Access to systems |
| Push roller over surface to embed chips in surface.Cement Masons and Concrete Finishers · supplemental task | 1.1% | L0 | L0L0 | 1% | 38 min | Physical presence |
| Spread roofing paper on surface of foundation, and spread concrete onto roofing paper with trowel to form terrazzo base.Cement Masons and Concrete Finishers · supplemental task | 0.9% | L0 | L0L0 | 4% | 1.4 h | Physical presence |
| Cement the edges of the paved area.Segmental Pavers | 0.9% | L0 | L0L0 | 2% | 2.0 h | Physical presence |
| Precast terrazzo blocks in wooden forms.Terrazzo Workers and Finishers · supplemental task | 0.8% | L0 | L0L0 | 4% | 2.4 h | Physical presence |
| Build wooden molds, clamping molds around areas to be repaired, or setting up frames to the proper depth and alignment.Terrazzo Workers and Finishers · supplemental task | 0.8% | L0 | L0L1 | 9% | 1.3 h | Physical presence |
| Apply muriatic acid to clean surface, and rinse with water.Cement Masons and Concrete Finishers · supplemental task | 0.7% | L0 | L0L0 | 2% | 45 min | Physical presence, Accountability |
| Remove frames when the foundation is dry.Terrazzo Workers and Finishers · supplemental task | 0.7% | L0 | L0L0 | 2% | 45 min | Physical presence |
| Produce rough concrete surface, using broom.Terrazzo Workers and Finishers · supplemental task | 0.6% | L0 | L0L0 | 1% | 30 min | Physical presence |
| Spread roofing paper on surface of foundation and spread concrete onto roofing paper with trowel to form terrazzo base.Terrazzo Workers and Finishers · supplemental task | 0.6% | L0 | L0L0 | 4% | 2.3 h | Physical presence, Access to systems |
| Signal truck driver to position truck to facilitate pouring concrete and move chute to direct concrete on forms.Terrazzo Workers and Finishers · supplemental task | 0.6% | L0 | L0L0 | 2% | 25 min | Physical presence, Accountability, Trust and care, Access to systems |
Level: consensus of the two models (the lower level when they disagree). Share: part of the task’s working time an agent could take over. Human time: minutes a competent person needs for one instance, as estimated by the models.
Exposure is not delegation
| Measure | Value | Percentile | Pct |
|---|---|---|---|
| ADI (this index) | 0.0% | 4 | |
| Eloundou et al. (2024), GPT exposure β | 0.008 | 2 | |
| Felten et al. (2021), AI occupational exposure | -1.618 | 3 | |
| Webb (2020), AI patent exposure | 20 | 12 | |
| Eisfeldt et al. (2026), generative AI exposure | 0.017 | 13 | |
| Anthropic Economic Index, observed use | 0 | 16 |
Earlier indices measure whether AI can touch a task; ADI measures how much of it an agent can carry out from a goal. – : the source does not cover this occupation.
Neighbouring occupations
| Occupation | ADI | % |
|---|---|---|
| House builders 7111 | 77.9 | |
| Air conditioning and refrigeration mechanics 7127 | 25.4 | |
| Carpenters and joiners 7115 | 21.9 | |
| Insulation workers 7124 | 20.6 | |
| Building frame and related trades workers not elsewhere classified 7119 | 16.1 | |
| Glaziers 7125 | 12.4 | |
| Plumbers and pipe fitters 7126 | 11.5 | |
| Painters and related workers 7131 | 11.4 | |
| Building structure cleaners 7133 | 7.5 | |
| Floor layers and tile setters 7122 | 6.4 | |
| Bricklayers and related workers 7112 | 5.2 | |
| Roofers 7121 | 5.1 |
Dashed line: concrete placers, concrete finishers and related workers (0.0%).
Espinal Maya, Cristian, and Santiago Jiménez Londoño. 2026. ADI v2026.1: Agent Delegability Index data, code and MCP server. Zenodo. https://doi.org/10.5281/zenodo.23552918. Record: Concrete placers, concrete finishers and related workers (ISCO-08 7114), https://balamlabs.org/adi/occupations/7114
@misc{espinal2026adidata,
title = {{ADI} v2026.1: Agent Delegability Index data, code and {MCP} server},
author = {Espinal Maya, Cristian and Jim{\'e}nez Londo{\~n}o, Santiago},
year = {2026},
publisher = {Zenodo},
version = {v2026.1},
doi = {10.5281/zenodo.23552918},
url = {https://doi.org/10.5281/zenodo.23552918},
note = {Record: Concrete placers, concrete finishers and related workers (ISCO-08 7114)}
}The same record as static JSON, with its citation: /adi/v2026.1/isco/7114.json.