Specialist laborer including mason tender or concrete pour crew; scaffold builder (scaffolds up to 14 feet in height); operator of forklifts, Bobcats (or equivalent machinery),jack hammers, tampers, motorized tampers and compactors, vibrators, street cleaning machines, hydro demolition equipment, riding motor buggies, conveyors, burners and nozzlemen on gunite work. The employee is occasionally required to walk, stand, climb, balance, stoop, kneel, crouch, or crawl.