2. Description of Scope Terms: A. Monthly Preventive maintenance: Preventive maintenance (PM) is the regular and routine maintenance of elevator equipment and assets to keep elevators running and prevent any costly downtime from unexpected equipment failure. A successful maintenance strategy requires planning and scheduling maintenance of equipment before a problem or failure occurs. B. Maintenance Control Plan (MCP): A physical maintenance control plan with a check chart is required in the machine room with all aspects of maintenance protocols. C. 8-hour Call-back Service: Call-back (7:30AM-3:30PM) maintenance includes any maintenance/service rework that is needed to fix/repair previously completed work because of faulty parts, poor workmanship, or any miscommunication between maintenance professionals, managers, and work requestors. D. Overtime Service Request: Service request approved/performed in whole or in part after regular business hours of 3:30PM. Travel time will be paid at a maximum of one (1) hour and mileage at a maximum of twenty-five (25) miles per visit unless otherwise agreed to in writing.