Job Description:

• 1) Operates rotary type machine to mix concrete and fills metal molds to make pipe and other concrete products: Pulls trip bar and lever on overhead chutes to fill suspended weighing hoppers and cart with specified weights of sand, gravel, and cement.

• 2) Pushes cart of cement to mixing machine and tilts cart by hand to dump cement into machine.

• 3) Turns valve to admit specified quantity of water.

• 4) Fills mold with sample batch of concrete.

• 5) Lifts mold from sample and compares diameter of sample with diameter of mold to determine whether consistency of concrete conforms with specifications.

• 6) Adjusts mixture by adding water, cement, sand, or gravel.

• 7) Bolts pneumatic vibrator to mold, using hand wrench.

• 8) Pulls lever to open mixer chute and fill pouring bucket.

• 9) Positions bucket over mold, using overhead hoist and pulls trip bar to fill mold.

• 10) Starts vibrator to settle concrete.

• 11) Pushes concrete remaining on core cover into mold, using hoe.

• 12) Levels off top of fresh casting, using trowel.

• 13) Records each batch of concrete produced.