Job Description:

• 1) Performs any combination of following duties involved in preparing forms and pouring concrete to make prestressed structural beams: Cleans forms, using hammer, scraper, and brush, and sprays form with oil to prevent adhesion of concrete.

• 2) Places reinforcing steel cage in form, using power winch.

• 3) Pushes stressing cables through form, threads ends through guide holes in end plates, and clamps end of cables to plate.

• 4) Tightens nuts at base of form with power wrench, and inserts spacer bars and locking pins at intervals along top of form to maintain specified dimensions of form.

• 5) Clamps vibrators in holders on sides of forms.

• 6) Lays planks on protruding ends of spacer bars to make elevated walkway on both sides of form.

• 7) Lifts four-wheeled pouring buggy into position on walkway, using winch.

• 8) Lifts belt conveyor into position between pouring buggy and ready-mix truck with winch and bolts it to truck, using power wrench.

• 9) Starts conveyor and vibrators.

• 10) Shovels sample of concrete into canisters and tests consistency of concrete, using cone-shaped mold and trowel.

• 11) Pushes pouring buggy along walkway to follow ready-mix truck.

• 12) Settles concrete at top of form with hand vibrator, and fills low spots with concrete taken from conveyor.

• 13) Removes forms from cured beams, using handtools, and cuts protruding end of stressing cable, using oxyacetylene torch.

• 14) Lifts beam, using four-wheeled portable hoist, and moves hoist to yarding area by hand or with truck.

• 15) May prepare forms and cast concrete lintels.