11831 AIRPORT RD WHOLE SITE FILE 2020-01-21

Signs shall be tested and certified for the following environmental conditions: • Exclusion of Water Test • Strain Relief Test • Temperature Test • Dielectric Voltage-Withstand Test. A representative sample of the product shall be tested in accordance with the Standards for Electric Signs (UL 48). Luminance The entire surface of the sign panel must be evenly illuminated with a minimum average brightness reading at the letters of 580 lux and a variation of no more than 15% for any reading from the average (minimum of 50 readings). Each background reading measured must not vary by more than 10% (minimum of 50 readings) from the average of the background brightness readings. The light transmission factor of the sign panel must provide a letter to background ratio of a minimum of 4:1. Light Source The light source for the sign shall be LEDs (light emitting diodes). LEDs shall be mounted along both the top and bottom edges of the sign. The LEDs shall evenly illuminate a light panel that is the same dimensions of the sign face. The LEDs shall have a minimum rated lumen maintenance of 70% at 60,000 hours. A maximum of four LEDs per square foot shall be used. Energy Requirements The average power consumption of the sign shall not exceed: • 4ft = 30 Watts • 6ft = 48 Watts • 8ft = 55 Watts Quality Assurance Manufacturer shall have a demonstrable Quality Assurance Program in place,with proof of regular re- certification by an independent auditing agency. Reports shall be made available upon request. Electrical Standards The Sign shall be listed and approved to UL 48 Standards by a Nationally Recognized Testing Laboratory. The outside of the sign shall be marked with a certification mark for Electric Signs UL 48. Product Guarantee Sign must be guaranteed for a minimum of five years. 37 Swift II BRT Boeing to Canyon Park Station—Traffic Signal 90%Special Provisions—12/1/2016