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8. Pull Boxes <br /> • Check Pull box and lid condition and replace/repair as needed <br /> • Check condition of splices and make repairs as needed <br /> • Clear any debris from pull boxes <br /> 9. Controller Cabinet <br /> • Measure voltage level at service entrance in cabinet and record <br /> • Vacuum and clean controller cabinet and contents <br /> 10. Battery Backup Systems <br /> • Test battery backup system <br /> • Test battery charge and replace as needed <br /> • Measure voltage level at service entrance in cabinet and record <br /> • Vacuum and clean cabinet and contents <br /> 11. Emergency Vehicle Pre-Emption <br /> • Actuate preempt to check operation with Emergency Vehicle Pre-emption Emitter and <br /> make repairs as needed. <br /> • Visually inspect cables, antenna, and other hardware <br /> In addition to the monthly and quarterly maintenance the Contractor shall conduct Annual <br /> Preventative Maintenance and submit a report that shall include all of the following elements. <br /> Annual maintenance shall take place in each month with the traffic signals being segmented into 12 <br /> equal zones: <br /> 12. Controller Cabinet <br /> • Replace cabinet air filter <br /> • Lubricate hinges and lock <br /> 13. Signal Heads <br /> • Clean and polish all signal lenses and reflectors (including video detection and CCTV <br /> cameras, and emergency preemption detection lenses), align signal heads and adjust all <br /> mast arm mounted street name signs <br /> • Clean and polish all lenses and reflectors <br /> 14. Signal System Assessment <br /> • Perform conflict monitor test and submit printout <br /> • Check for water accumulation and reseal ducts <br /> 15. Miscellaneous <br /> • Check any other equipment utilized during the term of the Agreement gut not specifically <br /> listed <br /> • Anchor bolts tightened <br /> Traffic Signal Maintenance Contract Contract No. <br /> Attachment 4— Preventative Maintenance Schedule Page 3 <br />