Annual Service Contract for Quartely inspection and preventative maintenance and repair service for 2 Delta Pop-Up Vehicle Barriers located at the Birmingham Air Guard Confirm equipment operates smoothly through a full opening and closing cycle. Verify open and closed limit switches operate properly for all equipment. Clean and lubricate appropriate bearings, rolling surfaces, cams, chains, etc. Verify safety switches, safety sensors, and IR beams operate initiate safety features correctly. Verify all control functions operate correctly. Perform an internal visual inspection of the control panels for damage, dirt/debris, and/or loose components. Verify batteries and replace if necessary. Visually inspect gate equipment for corrosion, rust, leaks, and damage. Verify operation of traffic lights. Verify normal operation of push buttons and lights Inspect rear bearings on wedge barriers and lubricate with marine grease if needed. Perform test of all loop detectors. Tighten or replace any loose fasteners, bolts, and covers.