General responsibilities of the contractor for maintenance and operation of the mechanical, electrical, plumbing and structural systems of the building including labor and materials within the scope of the following definitions of work: 1. Maintenance-work required to ensure dependable and proper operation of Building systems for their designated purposes and expected life cycle. 2. Routine Maintenance-Scheduled, repetitive work to provide continuous service. 3. Preventative Maintenance-Scheduled work provide systematic adjustment, cleaning, inspection. Lubrication and other such activities necessary to prevent service interruptions and improper or inefficient equipment or system operations. The preventative maintenance program includes maintaining a preventative maintenance timetable, service logs and operating record for all equipment and systems and shall always be available to the Administration. Such records shall be turned into the Administration at the completion of the contract. Operations – Scheduled work required to operate and control mechanical, electrical plumbing and structural systems of the buildings