Practice question

When erecting a traffic signal mast arm pole, what must be verified BEFORE the crane lifts the pole?

  1. The signal heads are already mounted on the mast arm
  2. The anchor bolts are properly aligned, plumb, and at the correct projection height
  3. The controller cabinet is operational
  4. The detection loops are installed

Answer: B — The anchor bolts are properly aligned, plumb, and at the correct projection height

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