Preventative Maintenance: The Contractor shall provide inspection and preventative maintenance service of all overhead doors semi-annually. The Contractor shall coordinate and schedule all preventative maintenance work with the State Highway Administration (SHA) Contract Manager or his representative. This service shall include, but not be limited to lubrication of all moving parts and bearings; adjust, lubricate, and tighten all hinges, roller wheels, and tracks as necessary. Inspect all door sections, springs, cables, hinges, rollers, drums, safety return edge, door seals, and shaft assembly for damage, excessive wear, or improper adjustment. Test motor operator, limit switches, and door edge safety returns for proper operation and adjust settings as required. Adjust spring tension on the counterbalance system as required. Test manual chain hoist operator. Adjust and lubricate drive and limit chain as required. Check and correct the door out-of-level condition. Specific tasks required and performed shall be in accordance with the original equipment manufacturer's instruction, subject to final approval by SHA. A written report on the condition of the doors should be provided at the completion of the inspection. All Contractor representatives performing inspections must sign the report. All repairs and adjustments made because of the scheduled preventive maintenance and inspections shall have a minimum six (6) month guarantee...
