Operate and use required tools and equipment skillfully and safely; perform heavy physical labor; read and comprehend plans and blueprints as appropriate to the plumbing trade; install, maintain and repair broad range of plumbing fixtures and components, pumps, valves, boiler systems, compressors, alarm systems and chemical treatment systems; read and comprehend plans and blueprints as appropriate to trade; analyze and respond safely and appropriately to emergency situations; train and direct the work on other classified staff in the area; follow and give oral and written instructions; maintain cooperative working relationships; demonstrate sensitivity to, and respect for a diverse population. Through knowledge of the methods, materials, tools, and equipment used in the plumbing trade; operation of building automation systems, applicable state and federal health and safety code requirements; methods and practices followed in the maintenance of tools, machinery and equipment safety precautions to be observed in the maintenance and installation of electronic and mechanical equipment.