UPGRADING SALTASH TUNNEL
The A38 Saltash Tunnel was opened in 1988 and was constructed to take the A38 London - Penzance trunk road beneath the town of Saltash. The tunnel is a single bore three lane bi-directional tunnel of bored construction, orientated roughly Northwest to Southeast, and lies between the South Pill Junction and the Fore Street Junction to the West and East of Saltash respectively. The central lane operates as a tidal flow lane, which uses gantry signals and illuminated road studs to indicate direction of travel. The tunnel is approximately 410 metres long.
ABOUT THE TUNNEL
Working with National Highways, VVB is providing mechanical & electrical services for the design, supply, install, integrate,commission, test and handover for the replacement A38 Saltash Tunnel Control System (TCS) and associated systems.
Our scope of works includes upgrading the LV distribution throughout the tunnel and service buildings, upgrading the existing lighting system to LED, and installation of other associated tunnel systems.
VVB’S ROLE
Our scope of works includes upgrading the LV distribution throughout the tunnel and service buildings, upgrading the existing lighting system to LED, and installation of other associated tunnel systems.
VVB’S SCOPE
- Ventilation and environmental monitoring
- Ventilation jet fan starters
- Replacement of tunnel monitors
- Replacement of tunnel lighting to LED luminaires, tunnel lighting management system and photometers
- Tunnel drainage system
- Fire safety including fire hydrants, emergency ventilation panels and distribution boards
- Integration of fire detection and incident management system to new tunnel control system
- Communications and traffic control
- Installation of new tunnel control system including integrating of all traffic controls
- Tunnel operation and plant control
- Electrical power supply and distribution including low voltage distribution system, LV switchboards, UPS switchboards, EVP & EDP switchgear and sub mains cabling
- Tunnel Service Buildings
- Electrical vehicle charging points at Tunnel Service Buildings
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