Shall include the following standard or optional equipment: This warning device and its operation shall comply with Manual on Uniform Traffic Control Devices . Complies: Yes No Sign Panel: The background for the arrow panel shall be rectangular in shape 4' x 8' Complies: Yes No The front and back panels shall be aluminum alloy. Alloy type and gauge: The perimeter frame and internal vertical member shall all be aluminum channel. All corners and internal channels shall be gussetted and held in place by welds and corrosion resistant hardware. Complies: Yes No The lamp hoods shall be high impact UV resistant abs plastic. Complies: Yes No The panel shall be etched, primed and finished with manufacturers standard anti-glare coating. Complies: Yes No The panel shall contain 15 hooded or recessed lights forming an arrow, 5 lamps in each arrow head and 5 lamps in the connecting bar. Complies: Yes No Three lights shall be installed in the backside of the panel to indicate the arrow patterns being displayed. Complies: Yes No Control and Performance: The lamps shall flash in unison 10 for a right arrow and 10 for a left arrow. Complies: Yes No A double arrow, 5 lamps in each arrowhead, and 3 lamps in a common shaft all flashing in unison. Complies: Yes No The arrowboard shall flash 7 horizontal lamps in unison Complies: Yes No The 4 corner lamps from the outermost corners of the arrowheads shall also flash in unison. Complies: Yes No The lamps shall operate on 12 volts DC input to the controller. The arrowboard shall track the ambient light at all times to ensure an appropriate light intensity is being emitted under all ambient light conditions.
