Test Flashcards
Backplates are used to increase the visibility of the signal faces.
The bottom of a pedestrian traffic signal head must be at least seven feet above the sidewalk.
Phases on the same ring are conflicting phases.
A flash transfer relay is used to switch the signals from a normal operating condition to a flashing condition
The MuTCD
Advance warning area, transisiton area, buffer space, work area, and termination area
plans are designed by Traffic engineer
The traffic signal controller is the brain
cover sheet , standard plans list, general notes, traffic signal plan, summary of quantities
in order to dig a plumb hole, you should at least 1 and 1/2 feet of boom extension out
if it corkscrews stop and reverse auger until out of the ground
to clean the auger use a shovel