Tunnel Repair & Renovation Projects

Delta Civil Engineering has undertaken a wide range of Tunnel Repair & Renovation Projects.

Please find details of these below.

  • Souldern Viaducts RenovationThe structural condition of two viaducts (18 & 25 span) were improved by the installation of 48no spandrell ties, plus pinning and grouting, stitching, replacement of defective brickwork beneath arches plus the introduction of new ductile iron down pipes Read More
    Souldern Viaducts Renovation
  • Blackdyke to Kennet Tunnel RenovationPart of the Ely Ouse-Essex Water Transfer Scheme, completed in the late sixties, involved the construction of a 20km long section of 2.5m diameter precast concrete segmental tunnel.Read More
    Blackdyke to Kennet Tunnel Renovation
  • Pressure Relief Shafts/Weedon Tunnel RepairFour 2.7m diameter, pressure relief shafts up to 30m deep, were sunk by underpinning, either side of the 500m long Weedon tunnel as part of the upgrade to the West Coast main Line.Read More
    Pressure Relief Shafts/Weedon Tunnel Repair