A professional who performs any combination of following tasks to coat concrete pipe in metal molds. Respnsibilities include:

• Slides prepared wire mesh cage into mold and secures cage with short lengths of wire.
• Places cotton rope gasket between flanges along length of split mold.
• Bolts mold halves together and fastens bell ring and guide wheels into place, using hand and power wrenches.
• Signals operator of hoist or industrial truck to transfer mold onto wheels of spinning machine.
• Starts spinning machine and adjusts controls of filling machine to feed wet concrete into spinning mold, to specified level.
• Increases speed of rotating mold for specified length of time to set concrete.
• Pushes pole and brush against inside of spinning pipe to finish surface.
• Signals worker to move mold to curing area or uses chain hoist.
• Covers mold with plastic tarpaulin and turns on steam to cure concrete.
• Removes, cleans, and oils mold when concrete is cured, using hand and power wrenches and brushes.
• May adjust filling machine to accommodate size of pipe, using handtools.