excavation work, concrete form work, installation of reinforcing bar, pouring, and finishing concrete, repairing concrete, fabricating, and installing steel structures, rigging, erecting staging (scaffolding), performs acetylene cutting and non-certified welding, installs conduits and grounding systems, performs. trucks with trailer, pickup trucks, utility trucks, LD/HD Bucket Trucks, air compressors, pneumatic tools, pneumatic hammers/pavement breakers, compactors, pavement/concrete saws, chain saw, pumps, hand.