| Job Title |
Concrete-pipe Maker |
| Job Description |
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. Fastens Mold Sections
Together, Using Wrenches To Tighten Screw Clamps And Bolts And
Nuts. Positions Manhole Form Into Side Of Reinforcing Cage And
Fastens Manhole Form With Tie Wire To Provide Side Hole In
Manhole Casting. Inserts Pins Through Apertures In Mold To Form
Holes In Casting For Insertion Of Hoisting Bar. Brushes Or
Sprays Mold And Core With Oil To Prevent Concrete From Adhering.
Positions Concrete-filled Pouring Bucket Over Pouring Plate On
Top Of Mold, Using Hoist. Strikes Trip Bar Of Bucket To Release
Concrete Onto Pouring Plate And Into Mold. 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. 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. Dismantles Mold And Core After Concrete Has Cured.
Inserts And Cements Metal Ladder Rungs Into Precast Holes Inside
Manholes.
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