Mechanical Maintenance: Supervise the inspection, service, and maintenance of machinery and mechanical equipment involving inspecting, diagnosing, dismantling, assembling, modifying, and repairing generators, boilers and auxiliaries, furnaces, pumps, and fuel handling and ash handling systems. Plant equipment may require supervisor inspection by climbing vertical ladders in excess of 20 feet and stairways in excess of 50 feet, using step stool, kneeling, bending, walking over uneven surfaces such as loose rock, open grating, up and down staircases.