Flagger Correctly Answered Questions| UpToDate | Already Graded A+

How long flagger certification is valid ☑: 3 years TTC ☑: Temporary Traffic Control The quality or state of being conspicuous ☑: Conspicuity All signals, marking, and other devices used to regulate, warn, or guide traffic, placed on, over, or adjacent to a street, highway, or bikeway by authority of a public agency having jurisdiction. ☑: Traffic Control Devices All 4 work zones must conform to these (4) standards ☑: -MUTCD -Local -State -Comcast (4) Typical Comcast traffic control devices ☑: -Cones -Signs -Vehicle strobe -High visibility garments EXCELLENCE 2 (5) Principles of traffic control devices ☑: -Fulfill a need -Command attention -Convey a clear, simple meaning -Command repect from road users -Give adequate time for proper response Score needed to pass the flagger written exam ☑: 80 percent This is where a Flagger should be standing at all times. ☑: Shoulder by the fog/edge line. These two kinds of crashes occur frequently near the taper and channeling devices ☑: Fixed Object & Sideswipe Stop/Slow retroreflective paddles must be ----- wide, and letters ------ high. ☑: 18" wide, 6" letters Flaggers shall never flag from these (3) main areas. ☑: -On/Under a Bridge -On/Under an overpass -In a vehicle Retroreflective vests must be visible to this minimum distance. ☑: 1000 ft EXCELLENCE 3 For nighttime flagging, this type of safety vest should be worn. ☑: Class 3 35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16) ☑: Wind chill formula The minimum mounting height from the roadway to the bottom of an electric arrow panel. ☑: 7' For portable changeable message signs, the message being stated should be visible for at least this minimum distance. ☑: 650' SPF ☑: Sun Protection Factor Sun block SPF 20 will offer this amount of time of sun block. ☑: 400 minutes (20 X SPF #) The distance between the flagging station and the work space should never be less than ____ awa