Dartford Cable Tunnel Explained

The Dartford Cable Tunnel is a 2.4 km utility tunnel beneath the Thames, upstream of the Dartford Crossing. With a diameter of ~3m (10feet), it carries a 400 kV National Grid electrical transmission cable. It is accessible by foot as a crossing of the Thames, but by authorised personnel only.^{[1] [2] [3]} It was built in 2003–04 at a cost of £11 million (equivalent to £ million in).^{[4] [5]}

See also

• 400 kV Thames Crossing
• Thames Cable Tunnel
• Utility vault
• Crossings of the River Thames
• Tunnels underneath the River Thames

References

51.466°N 0.257°W

Notes and References

1. Web site: National Grid builds new Thames tunnel at Dartford . Nce.co.uk . 1 May 2003 . 15 July 2015.
2. Web site: ABB completes Dartford Cable Tunnel HV cable installation . Voltimum.co.uk . 3 April 2006 . 15 July 2015.
3. http://www.tunnelsonline.info/intextlinkresult.asp?linkid=9977
4. Web site: Nicolas Janberg . Dartford Cable Tunnel (Dartford, 2005) | Structurae . En.structurae.de . 23 July 2014 . 15 July 2015.
5. Web site: New current flows under the Thames . Abb.co.uk . 15 May 2006 . 15 July 2015.