2-6 Flashcards
A flagger station should never be less than ?
from the workspace.
50 ft
All slings in use require a tag stating the _?
date of manufacture, and the manufacturer.
physical dimensions
working load limit
When only pedestrians are allowed to move a
an intersection, this is known as ?
exclusicve pedestrian phasing
to pull pole butts out of the ground blank should be used
pole jacks
Controller Assembly does?
controls operation of traffic signals
- Phases that are on the same ring and can neve
be activated at the same time are? phases.
conflicting
flagger stations must be lit at night except for
emergencies
time it takes driver to react to problem
3/4 second
total weight of an objected lifted
add in weight of add on equipment as shown on load chart
traffic signal plan sheet will display
Legend
Wire to add stability to signal head
Tether
best describes traffic signal length?
time required to complete sequence of signal indications
Flash transfer relay in cabinet does what?
Switches signal from normal to flashing condition
bottom of pedestrian signal head should be no lower than
7 feet
insulated booms are cleaned by
handwashing
lifting capacity of boom depends on
boom angle and boom length
signal plan sheet is made up of
phase layout diagram
Purpose of back plate?
increase visibility of signal face
Manual which sets traffic design and control
MUTCD
White signs are defined as
regulation
cycle length +
complete sequence of signal indication
one call program assures
the area is cleared for digging
First part of traffic control zone to set up
warning signsa
following vehicle at night, how many seconds needed to stop safely?
6 seconds
