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Move the fan thermostat setting and determine if fan is operable. Return thermostat to <br />proper setting <br />2. Signal Controller <br />Visually inspect signal controller and controller cabinet components for proper operation <br />and make repairs /replacements as necessary <br />Check timing of individual signal phases. Contractor shall notify engineer immediately of <br />any operational issues (i.e. skipped or omitted phases). The contractor shall not make any <br />timing changes unless it is a matter of public safety or is needed for the proper operation of <br />the traffic signal. <br />3. Signal Pedestrian Heads <br />Visually inspect all vehicular and pedestrian signals for proper operation and replace <br />outages. Replace all burnt out or flickering indications with LED indications <br />Walk intersection and visually inspect all signal heads including backplates, visors and <br />indications for proper operation and alignment. Replace all broken parts, align signal heads <br />and adjust all mast arm signs as necessary <br />Check that all pedestrian signals are in good condition and aimed properly make <br />adjustments as necessary <br />4. Pedestrian Push Buttons <br />Actuate each button for proper operation. Visually inspect and note condition. Replace or <br />repair any broken or defective pedestrian push buttons. All new pedestrian push buttons <br />shall be two inch ADA push buttons <br />Check all audible and tactile pedestrian signal are in good condition and properly <br />positioned (where applicable) and make repairs as needed <br />5. Interconnect Communication <br />Check operation <br />Visually inspect cables, antenna, and other hardware and make repairs as needed <br />6. Miscellaneous <br />Visually inspect other signal hardware <br />Correct and /or report all deficiencies <br />Check operation of flashing beacons at signalized intersections to ensure proper operation <br />In addition to the monthly maintenance report, the Contractor shall conduct Quarterly Preventative <br />Maintenance and submit a report that shall include all of the following elements. Quarterly <br />maintenance shall take place in the months of July, October, January and April: <br />7. Detectors and Loops <br />Visually inspect for exposed wires, cracks, and /or pot holes and make repairs or <br />recommendations for repair as needed <br />Use laptop computer to check detection camera alignment and make adjustments as <br />Traffic Signal Maintenance Contract Contract No. <br />Attachment 4 Preventative Maintenance Schedule Page 2 <br />