Outline DescriptionThis road scheme has been necessary to relieve heavy freight traffic from driving down through the small Kent town centre to reach the Ferry Port
en-route to France and Belgium.
Vital/Ematics engineers were appointed by Taylor Woodrow for the design, integration, commissioning and interface management of all the control, communications and sub-system supply.
Scope of Supply- SCADA and PLC control system design, installation and commissioning
- CCTV system
- Emergency telephones
- Lane Control Signals & approach road message signs
- Tunnel Radio re-broadcast Microwave communications to a remote monitoring control centre
- Traffic Surveillance
- Pollution Sensors
SystemsThe SCADA system provides the following functions:
>User interface depiting status of all tunnel sub-systems
>Alarm and Event logging for all tunnel sub-systems
>Real time / historical trending of key parameters
>Date logging and archiving
>Provision of a means of operational parameter adjustment
>Emergency control of tunnel lighting and ventilation
>Manual control facility for tunnel lighting and ventilation
>Monitoring and control of traffic surveillance system via a dedicated data link
>Monitoring of emergency telephone system via a digital I/O interface
>Recording of power consumptions and plant hoursrun for maintenance purposes
>Generation of maintenance alarms
>Generation of plant status and data reports
The PLC system performs the following functions:
>Monitoring & control of tunnel vent fans
>Monitoring & control of luminance levels
>Monitoring of LV Switchgear
>Monitoring of water pump and sump pumps
>Control & monitoring of pollution sensors
>Control & monitoring of Variable Message Signs
>Monitoring of fire and security alarm system
>Interface to the duty standby SCADA system