Maintaining, installing and repairing roll-up door systems, personnel entry doors, folding wall partitions, lock systems, hanger door systems, building ladder systems, hoists, roofing systems (standing seam metal and Modified Bitumen), gutters and down spouts, awnings and window systems. Ensures proper use, maintenance and repair of shop equipment and portable power tools to include but not limited to: Table saws, drill press, band saw, belt sanders, Pipe threading machines, grinders, Freon recovery systems and all other assigned tools and equipment.