Ramp Metering System Testing Form and Inspection

Installation

Verify that all demand detection zones have been installed.
Verify that all passage detection zones have been installed.
Verify that all queue detection zones have been installed.
Check for indication of broken, cut, or exposed loop or lead-in wires.
Check for exposed wire or missing sealant in loop slots.
Verify that all lead-in wires have been properly twisted to avoid crosstalk and properly labeled.
Verify loop lead in cables are properly identified and labeled in the cabinet and pull box specials.
Verify that each loop is connected to the correct terminals on the input file.
Verify the sensitivity on each loop amplifier channel (default value shall be 2).
Verify that all unused channels of loop amplifiers are disabled.
Verify that loop amplifiers are configured for 6’x6’ loops and set on presence detection rather than pulse.
Verify that all detection zones properly register the appropriate calls.
Verify that the right side signal assembly is properly installed and signal heads operate correctly.
Verify that the left side signal assembly is properly installed and signal heads operate correctly.
Verify that the mast arm signal assembly is properly installed and signal heads operate correctly.
Verify that the right side advance flashing beacon assembly is properly installed and operational.
Verify that the left side advance flashing beacon assembly is properly installed and operational.
Verify that the tripping of 208 watchdog timer card causes the signal heads and advance flashing beacons to go into yellow flash.
Verify all equipment is properly grounded.

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