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"Terrazzo Workes and Finisher"
Job Description - Part 1 - Duties and Tasks

Basic Job Description:

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

Part 1
Duties / Tasks
Part 2
Activities
Part 3
Skills
Part 4
Abilities
Part 5
Knowledge

Job Duties and Tasks for: "Terrazzo Workes and Finisher"

1) Cut metal division strips and press them into the terrazzo base wherever there is to be a joint or change of color, to form desired designs or patterns, and to help prevent cracks.

2) Grind curved surfaces and areas inaccessible to surfacing machine, such as stairways and cabinet tops, with portable hand grinder.

3) Grind surfaces with a power grinder and polish surfaces with polishing or surfacing machines.

4) Measure designated amounts of ingredients for terrazzo or grout according to standard formulas and specifications, using graduated containers and scale, and load ingredients into portable mixer.

5) Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.

6) Modify mixing, grouting, grinding, and cleaning procedures according to type of installation or material used.

7) Mold expansion joints and edges, using edging tools, jointers, and straightedges.

8) Position and secure moisture membrane and wire mesh prior to pouring base materials for terrazzo installation.

9) Spread roofing paper on surface of foundation, and spread concrete onto roofing paper with trowel to form terrazzo base.

 

 

11) Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.

12) Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.


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13) Blend marble chip mixtures and place into panels, then push a roller over the surface to embed the chips.

14) Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth, using trowel.

15) Build wooden molds, clamping molds around areas to be repaired, and setting up frames to the proper depth and alignment.

16) Chip, scrape, and grind high spots, ridges, and rough projections to finish concrete, using pneumatic chisel, hand chisel, or other hand tools.

17) Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.

18) Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment.

19) Cut out damaged areas, drill holes for reinforcing rods, and position reinforcing rods to repair concrete, using power saw and drill.

20) Fill slight depressions left by grinding with a matching grout material, and then hand trowel for a smooth, uniform surface.

21) Move terrazzo installation materials, tools, machines, and work devices to work areas, manually or using wheelbarrow.

22) Precast terrazzo blocks in wooden forms.

23) Produce rough concrete surface, using broom.

24) Remove frames once the foundation is dry.

25) Signal truck driver to position truck to facilitate pouring concrete, and move chute to direct concrete on forms.

26) Wet concrete surface, and rub with stone to smooth surface and obtain specified finish.

Job Description for "Terrazzo Workes and Finisher" continued here...

Part 1
Duties / Tasks
Part 2
Activities
Part 3
Skills
Part 4
Abilities
Part 5
Knowledge



 

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Holland / RIASEC Career Code:  R-C-E        SOC:  47-2053.00