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�I <br />0 <br />R, <br />(2) The traffic signal heads on this device will be approved by the <br />Department. <br />(3) Department approved traffic signal lamps will be installed in each section <br />with the filament opening in an upright position. Other Department approved lighting <br />sources will be installed in each section in accordance with the manufacturer's permanent <br />directional marking(s), that is, an "Up Arrow ", the word "UP" or "TOP," for correct <br />indexing and orientation within a signal housing. <br />(4) The masts supporting the traffic signal heads will be manufactured with <br />the lowest point of the vehicular signal head as follows: <br />(a) Eight feet [2.4 ml above finished grade at the point of their <br />installation for "pedestal" type application or <br />(b) Seventeen to 19 feet [5.2 to 5.8 m] above pavement grade at the <br />center of roadway for "overhead" type application. <br />(5) The yellow clearance interval will be programmed three seconds or more. <br />Under no condition can the yellow clearance interval be manually controlled. It must be <br />timed internally by the controller as per Department specifications. <br />(6) The green interval must display a minimum of five seconds before being <br />advanced to the yellow clearance interval. <br />(7) The controller will allow for a variable all red clearance interval from 0 to <br />999 seconds. <br />(8) Portable traffic control signals will be either manually controlled or traffic <br />actuated. Indicator lights for monitoring the signal operation of each approach will be <br />supplied and visible from within the work zone area. <br />(9) When the portable traffic control signals are radio actuated the following <br />will apply: <br />(a) The transmitter will be FCC Type accepted and not exceed 1 watt <br />output per FCC, Part 90.17. The manufacturer must comply with all "Specific limitations" <br />noted in FCC Part 90.17. <br />(b) The Controller will force the traffic signal to display red toward the <br />traffic approach in case of radio failure or interference. <br />(10) The trailer and supports will be painted construction /maintenance <br />orange enamel in accordance with the MUTCD color. <br />(1 1 ) The device will meet NEMA environmental standard. The test report <br />certified by an independent laboratory will be provided. <br />(12) Ensure the certification number is engraved or labeled permanently on <br />equipment. <br />(13) Ensure the device has an external, visible, water resistant label with the <br />following information: "Certification of this device by the Florida Department of <br />Transportation allows for its use in Construction Zones Only." <br />� r � <br />March 2007 01000 -211 03- 4122.D "' "� <br />