answers
How long flagger certification is valid - Answer 3 years
TTC - Answer Temporary Traffic Control
The quality or state of being conspicuous - Answer 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. - Answer Traffic Control Devices
All 4 work zones must conform to these (4) standards - Answer -MUTCD -Local -
State -Comcast
(4) Typical Comcast traffic control devices - Answer -Cones -Signs -Vehicle strobe -High visibility garments
(5) Principles of traffic control devices - Answer -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 - Answer 80 percent
This is where a Flagger should be standing at all times. - Answer Shoulder by the fog/edge line. These two kinds of crashes occur frequently near the taper and channeling devices - Answer Fixed Object & Sideswipe
Stop/Slow retroreflective paddles must be ----- wide, and letters ------ high. - Answer 18" wide, 6" letters
Flaggers shall never flag from these (3) main areas. - Answer -On/Under a Bridge -On/Under an overpass -In a vehicle
Retroreflective vests must be visible to this minimum distance. - Answer 1000 ft
For nighttime flagging, this type of safety vest should be worn. - Answer Class 3
35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16) - Answer Wind chill formula
The minimum mounting height from the roadway to the bottom of an electric arrow panel. - Answer 7'
For portable changeable message signs, the message being stated should be visible for at least this minimum distance. - Answer 650'
SPF - Answer Sun Protection Factor
Sun block SPF 20 will offer this amount of time of sun block. - Answer 400 minutes (20 X SPF #)
The distance between the flagging station and the work space should never be less than ____ away. - Answer 50 ft