Automatic Half Barrier Crossing Maintenance and Faulting
- Technical terms and relay names explained in “plain English” Function, appearance and diagrammatic representation of common level crossing components:
- Barriers, pedestals, controlling and proving circuits
- Road Lights, flasher units and lamp proving
- Audible Warning units and controllers
- Treadles – Normal and Reverse contacts
- Local Control UnitOperational requirements and control tables
- Understanding of Circuitry
- Function of all relays and circuits
- Operation sequence
- Indications and alarms
- System maintenance and Fault Finding
- Component replacement and restoration to service
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Who Should Attend This Course?
This course is intended for staff who will be required to maintain and fault find on level crossings of the Automatic Half Barrier (AHBC) style.
Course Content and Learning Outcomes
On successful completion of this course, the delegate will be able to:
Identify the function of AHBC components and circuits
Identify maintenance requirements of AHBC crossings and components
Perform system fault finding
Ensure safety of rail and road traffic during failures
Entry
Requirements
A well-prepared delegate is expected to be able to be familiar with relay-based signalling circuitry and signalling principles.
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