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***To Be Determined if Needed*** <br /> The adaptor box shall be fabricated from .125-inch aluminum (5052 alloy),with mill finish. The cabinet shall not <br /> be anodized:and the exterior shall not be painted. <br /> The Contractor shall verify foundation and cabinet dimensions and mounting bolt patterns prior to submitting <br /> shop drawings for the adaptor box to the Engineer. The shop drawings shall be submitted for approval <br /> 10 working days in advance of fabrication. <br /> The new controller cabinet, if Contracting agency-supplied,will be available for bolt pattern verification as <br /> identified under the subsection, Contracting Agency-Supplied Materials of this provision: <br /> 9-29.15 Flashing Beacon Control <br /> Section 9-29.15 is supplemented with the following: <br /> Solid State Flasher <br /> The solid state flasher shall provide two output circuits to permit alternate flashing of signal faces. The flash rate <br /> shall be 55 flashes per minute±10%. Duty cycle for each circuit shall be 50% on, 50% off±2%. <br /> Each circuit shall be rated at 15 amperes and switching shall occur at the zero crossover point of the AC voltage. <br /> The voltage range shall be 95 to 135 volts AC. The nominal voltage shall be 120 volts AC. The operating <br /> frequency range shall be 60 Hz±3.0 Hz. The two-circuit solid-state flasher shall be designed to operate as <br /> specified at any ambient temperature range from-30°F. to +165°F. (-34.4°C. to +73.8°C). <br /> Cabinet <br /> The raintight housing shall be aluminum, conforming to the requirements of Section 9-29.25 and this Special <br /> Provision. Cabinet dimensions shall be: <br /> Depth Height Width <br /> 6 inches 10 inches 8 inches <br /> The cabinet door shall have two hinges. The hinges shall meet the requirements for the alternate hinge detailed on <br /> Standard Plan J-3b. The cabinet door shall be secured with a spring-loaded construction core lock capable of <br /> accepting a Best CX series core. A green construction core shall be installed at each core lock. Upon contract <br /> completion two master keys for each cabinet shall be delivered to the Engineer. Socket bases for the flasher unit <br /> shall be mounted on a circuit board inside the cabinet. <br /> 9-29.16 Vehicular Signal Heads,Displays and Housing <br /> Section 9-29.16 is supplemented with thefollowing: <br /> 9-29.16 Back Plate <br /> Back plates shall be constructed of louvered anodized aluminum. <br /> 9-29.16 Fiber Optic Signal Head <br /> 54 <br /> Swift II BRT Boeing to Canyon Park Station—Traffic Signal 90% Special Provisions— 12/1/2016 <br />