Railroad Signal Equipment Testing , Maintenance and Repair Services

2026-11-03

The contractor shall provide the following monthly tests and inspections : a ) Ground Tests : A test for ground on each energy bus furnishing power to circuits that affect the safety of the warning system operation shall be made . This test shall also be done when an energy bus is placed in service . b ) Standby Power : A test of all standby power shall be made . c ) Flashing Light Units and Lamp Voltage : Each flashing light unit shall be inspected for proper visibility , dirt and damage to roundels and reflectors . Each roundel and reflector shall be kept clean . d ) Gate Arm and Gate Mechanism : Each gate arm and gate mechanism shall be inspected . Gate arm movement shall be observed for proper operation . e ) Warning System Operation : Each highway rail crossing warning system shall be tested to determine that it functions as intended . Warning bells or other stationary audible warning devices shall be tested as well . These tests shall also be performed when the system is placed in service or whenever the system has been modified or disarranged . f ) Highway Traffic Signal Pre - Emption : A test shall be made to ensure crossings equipped with highway traffic signal pre - emption interconnections are working properly . The contractor shall provide the following quarterly tests and inspections : a ) Cut - Out Circuits : On crossings equipped with cut - out circuits , a test shall be made to determine that the circuit functions as intended . The contractor shall understand and agree that a cut - out circuit is any circuit which overrides the operation of automatic warning systems , including both switch cut - out circuits and devices which enable personnel to manually override the operation of automatic warning devices ...

Missouri

2026-04-29