tunnelling-journal (1)
tunnelling-journal (1)
  • Home
  • Print
    • Subscribe
    • Tunnelling Journal
    • Breakthrough
    • ITA Activity Report
    • A&NZ Journal
    • WTC Preview
    • Media Kit
  • Digital
    • Newsletter
    • E-Shots
    • Products Page
    • Media Kit
  • Conferences
    • BTS Conference and Exhibition
    • Cutting Edge 2021
  • Buyer’s Guide
  • Events Diary
  • Jobs
  • About Us
  • Contact Us
  • Podcast

Home > Costain's Cleopatra arrives

Costain's Cleopatra arrives

Tris Thomas

Written by Tris Thomas on 16/09/2011 in News

Tagged: underground

Costain’s first drive for National Grid on its US$318M, 33km long London Cable Tunnels project has reached a significant milestone with the lowering down the shaft of the Herrenknecht EPBM ‘Cleopatra’ that will be used to bore the 4m i.d. approximately 8km long St John’s Wood Tunnel.

The EPBM is being lowered at National Grid’s site in Eade Road, Haringey. After the initial learning curve, it will start excavating at a planned rate of approximately 120m per week. Ground conditions are mostly through London Clay. The tunnel will be lined using a Buchan 6 plate trapezoidal gasketed and bolted ring, each 1.3m long, with muck removed via wagons and from the shaft by High Angle Conveyor.

National Grid Project Manager David Luetchford said: “The arrival of ‘Cleopatra’ and the beginning of tunnelling marks a real landmark for the project. Once operational London Power Tunnels will help ensure homes, business, community and leisure facilities across the capital continue to receive the power supplies that make life as we know it possible.”

Explaining some of the advantages of the London Power Tunnels project, Mr Luetchford said: “By housing the cables deep underground we are avoiding digging up London’s road network, which would risk major disruption. It also means we can easily access the tunnels to carry out future maintenance work.”

Comments:

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Search

Digital Edition

More Like This

12/11/2020

Stonehenge Tunnel given the green light

Stonehenge Tunnel given the green light

The UK Transport Secretary, Grant Shapps has given Development Consent to construct the 3.2km long twin-tube Stonehenge Tunnel as part…

29/10/2020

Tunnelling work complete at Bank Station Upgrade

Tunnelling work complete at Bank Station Upgrade

Tunnelling work at London Underground’s Bank Underground Station upgrade has been completed, marking a major milestone in the project. The…

06/11/2020

Gamuda completes tunnelling on KVMRT Putrajaya Line

Gamuda completes tunnelling on KVMRT Putrajaya Line

11th October 2020 saw the last tunnel ring that makes up the 13.5km-stretch of the Klang Valley Mass Rapid Transit…

  • Contact Us
  • Media Kit
  • Magazine Archive

Newsletter

The latest from the Tunneling Journal direct to your inbox.

Social



Enquiries

TGS Media Ltd
The Old Library
Webster House
Dudley Road
Tunbridge Wells
TN1 1LE
United Kingdom

© Tunnelling Journal. All Rights Reserved. Privacy Policy / Terms & Conditions. Admin

We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.OkRead more