A professional who sets up and operates machine to fabricate steel cages used for reinforcing concrete pipe. Respnsibilities include:

• Bolts lagging plates of specified size to expandable mandrel of machine to form drum for shaping and sizing cage.
• Threads wire from spindle through tensioning rollers and feeder arm of machine.
• Tack-welds ends of wire to bell-end of lagging plate and pulls lever to expand mandrel.
• Turns wheel on tensioner to regulate pressure on wire.
• Starts mandrel rotating as wire is fed through tensioning rollers on carriage which moves along track to space wire as it winds.
• Tack-welds wire to end of drum on completion of run and cuts wire with welding torch.
• Pulls lever to move welding and grounding wheels into position to hold rod in place and to form circuit for welding.
• Starts welding wheel to weld rod and wire at points of intersection.
• Breaks tack weld at ends of wire, using hammer and pulls lever to retract mandrel and loosen cage.
• Pulls cage from shaft by hand or aid of pneumatic winch.