The following is a detailed breakdown of bi-annual and annual maintenance work to be performed. 6 -MONTH ROUTINE MAINTENANCE Measure and record voltage in cabinet vs. service point Clean and vacuum cabinet, Clean and/or replace filters Check weather proof seals and lubricate door hinges and locks Check operation of the fan. Check Controller operations and timings with timing sheet Check operation of Conflict Monitor (using approved field test methods) Check detector operations Check flash operations Check load switch operations Check terminals, breakers, and grounds Manually record inspection date and time in controller cabinet and send written confirmation of 6-month maintenance with recommendations to City by intersection. YEARLY ROUTINE MAINTENANCE (In addition to 6-month) Inspect alignment, wiring, and mounting hardware of signal heads Inspect Poles and mast arms for rust, cracks or other damage Inspect anchor bolts for rust and nuts for tightness Inspect mast arm bolts for rust and tightness Check signal pole grounds Check push buttons for proper operation Check vehicle loops for exposed wires or foreign debris that could damage the loop wires Check pull box structures and lids Check splices Check pull boxes for proper drainage Treat and/or remove any nests found Replace pest control as needed Replace deteriorated or missing components and fastening hardware such as sockets, nuts, and bolts. Manually record inspection date and time in controller cabinet and send written confirmation of yearly inspection with recommendations to Columbia County by intersection.
