A professional who casts mixture of concrete and aggregate in mold to form plain or decorative structural panels according to specifications and approved samples. Respnsibilities include:

• Fits wooden sides of mold together and fastens them in place with wood clamps and bolts, using power wrench.
• Sprays or brushes acid and oil solution on inside of mold to prevent concrete from adhering to mold and to retard setting of concrete.
• Shovels and spreads mixed concrete and facing aggregate into mold and tamps mix with pneumatic vibrator to distribute facing evenly and to form facing of required thickness.
• Positions and fastens reinforcing materials, such as steel rods, wire mesh, hanger plates, and hoisting hooks in mold by hand, following specifications, using rule, gauges, wrenches, and wood clamps.
• Places hoist chain hooks in position on hopper filled with concrete backing mixture and moves controls of hoist to lift and position hopper over mold.
• Pushes hand lever of hopper to release backing mixture into mold and tamps mixture with pneumatic vibrator.
• Puddles and levels off casting, using wooden screed, and smooths surface with trowel.
• Unbolts wood clamps, using power wrench, and removes sides of mold by hand.
• Inserts overhead crane hooks in hoisting hook and presses hoist control buttons to lift casting and strikes mold, using rubber hammer, to separate casting from mold.
• Lowers casting onto skids and transports castings to storage area, using hydraulic lift truck.
• Brushes and scrapes concrete from sides and bottom of mold preparatory to next casting.
• May cast colored floor and roof slabs, highway dividers, ornamental flower pots, and grave markers.