Plans, supervises, coordinates, and monitors building maintenance and custodial services; supervises maintenance and repairs of structural and architectural elements, electrical, plumbing, HVAC (Heating, Ventilation, and Air Conditioning) systems, built-in furniture, moveable furnishings and equipment, cabinetry, valves, pumps, fixed laboratory equipment, doors, windows, walls, ceilings, floors, sprinklers, and alarm systems. Effective January 7, 2008, all persons in safety-sensitive functions/positions, as per City of Laredo Drug and Alcohol Policy definition, shall be subject to random drug and alcohol testing.