Specifications include, but are not limited to: Specifications for 8 inch, 12inch, and Transit LED Traffic Signal Ball Lamps and Arrows -- A. The minimum requirements for the LED traffic signal retrofit modules to be provided shall be in accordance with the current version of Institute of Transportation Engineers (ITE) purchase specification for Vehicle Traffic Control Signal Heads - Light Emitting Diode (LED) Circular Signal Supplement for ball indications and the current version of Institute of Transportation Engineers (ITE) purchase specification for Vehicle Traffic Control Signal Heads – Light Emitting Diode (LED) for Vehicle Arrow Traffic Signal Supplement including Omni directional portion. B. A Certificate of Compliance of the above specifications shall accompany each shipment and will require serial numbers of modules covered by certificate. C. A copy of the lab test report from a reputable independent laboratory (e.g. Intertek) showing the light intensity values at each ITE specified distribution test point for each module supplied shall be included with the bid. D. LED modules shall be rated for 100,000 or more hours of operation at the specified voltage and operating temperature. E. The LED traffic signal lamp unit shall be designed as a retrofit replacement for existing signal lamps, which will not require any special tools for installation, the twelve (12) inch retrofit replacement LED traffic signal lamp unit shall fit into existing traffic signal housings without modifications.