unassisted), hand excavation/digging (using shovels/picks), carrying and climbing ladders, operating and working from man lifts, operating electric tools, (drills, saws, etc.), using hand tools, (screwdrivers, wrenches, hammers, etc.), and providing services under various weather conditions. Oversight and inspection of landfill gas and landfill construction (cell and closure) to ensure compliance with design plans.