Horn Lane, Acton Flood Alleviation Scheme


Clients: J Murphy & Sons and Thames Water

Duration: 20 weeks

Location: Horn Lane, Acton



Description of works:

Michael Roarty, working for J Murphy & Sons completed the following scope items on the project:

  • 1 No 15m diameter underpinned precast concrete segmental shaft
  • 3 No 6m diameter caisson precast concrete segmental shafts
  • 2 No 4m diameter underpinned precast concrete segmental shafts
  • 1 No 3m diameter underpinned precast concrete segmental shaft
  • 1 No 134m of 1500 diameter segmental tunnel
  • 1 No 184m of 1500 diameter pipejack carried out in a single drive with interjacks installed
  • 1 No 260m of 1800 diameter pipejack carried out in two drives


Our own 1500 diameter tunnelling machine was used with an additional segment erection module fitted to avoid any unnecessary manual handling.

The 1800 and 1500 diameter tunnelling machines are owned our group of companies.

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