fire fighting systems | UK

Dartford Crossing: High-Pressure Water Mist Technology sets new Standards in Tunnel Safety

The “Dartford Crossing”, a complex comprising 2 tunnel bores and a cable-stayed bridge in the east of London, is numbered among the most important and busiest transport hubs in England. It was decided in 2010 to refurbish the 2 Dartford tunnels, as especially the older of the 2 British tunnels, completely built of cast iron and opened in 1963, represented a particular safety risk.

Starting Position

The Dartford Crossing, a complex comprising 2 tunnel bores (Fig. 1) and a cable-stayed bridge in the east of London, links Grays in Essex on the north side with Dartford (Kent) on the south side of the Thames. This part-section of the London M25 motorway ring is numbered among the most important and busiest transport hubs in England. Every day on average up to 150,000 vehicles use the 2 roughly 1,430 m long tunnel bores. The toll river crossing and the M25 motorway are run by the Highways Agency, a body belonging to the British Ministry of Transport.

The Highways Agency also...

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