Job Description:

• 1) Casts concrete pipes and manhole covers, performing any combination of following duties: Moves overhead crane to position steel mold sections reinforcing cage on pallet, and to insert mold core and pouring plate.

• 2) Fastens mold sections together, using wrenches to tighten screw clamps and bolts and nuts.

• 3) Positions manhole form into side of reinforcing cage and fastens manhole form with tie wire to provide side hole in manhole casting.

• 4) Inserts pins through apertures in mold to form holes in casting for insertion of hoisting bar.

• 5) Brushes or sprays mold and core with oil to prevent concrete from adhering.

• 6) Positions concrete-filled pouring bucket over pouring plate on top of mold, using hoist.

• 7) Strikes trip bar of bucket to release concrete onto pouring plate and into mold.

• 8) Bolts pneumatic vibrator to mold, using wrench, and starts vibrator to settle concrete in mold; or presses switch to start vibrator and holds internal vibrator with worm drive tube submerged in concrete to compress concrete poured in mold.

• 9) Places steam hoses inside filled mold, lowers curing box over mold with hoist or covers mold with canvas, and turns valves to admit steam to cure concrete.

• 10) Dismantles mold and core after concrete has cured.

• 11) Inserts and cements metal ladder rungs into precast holes inside manholes.