Pipe Jacking at Corwen Flood Prevention, Corwen, Denbighshire. M202

Denbighshire County Council

Installation of an inverted syphon under main road as part of a large flood alleviation scheme.


pipe jacking

  • New sewer for flood alleviation
  • DN5000 x 9m caisson drive shaft
  • DN4000 x 9m deep caisson reception shaft
  • 106m x DN1500 pipe jacking using Iseki Unclemole

Ground Conditions

Wet sand and gravel

Study Project Date  
Microtunnelling at Frederick Road Track Drainage Connection, Salford. M234 05/06/2017
Microtunnelling at Amlaird to Corsehouse Maining Out, Newton Mearns, Scotland. M233 04/07/2016
Pipe Jacking at Corwen Flood Prevention, Corwen, Denbighshire. M202 01/12/2014
Microtunnelling at Mill Lane, Northampton. M214 04/08/2014
Microtunnelling and Shaft Sinking at Bargeddie, Scotland. M213 04/08/2014
Pipe Jacking at Rossendale Clusters, Rawtenstall. M207 14/04/2014
Pipe Jacking at St. Martins Flooding, St Martins, Shropshire. M199 02/09/2013
Microtunnelling at Outwood to Buckland Strategic Water Main, Surrey. M192 03/06/2013
Microtunnelling at Channel Reach DG5, Crosby, Sefton. M185 16/07/2012
Microtunnelling at Meadowhead to Stevenson, Irvine, Scotland. M175 31/08/2011
Microtunnelling at Ineos Chlor Site Drain, Runcorn, Cheshire. M172 31/07/2011
Microtunnelling at Hall Nook FAS, Penketh, Warrington. M167 28/02/2011
Microtunnelling at A467 Road Crossing, Risca, Newport, South Wales M154 28/02/2010
Microtunnelling at Suffolk Road Rail Crossing. M148 30/11/2009
Microtunnelling at Beckton to Woodford Pipeline. M146 31/10/2009
Microtunnelling at A1 Dishforth to Leeming Carriageway Widening. M144 31/08/2009
Microtunnelling for Gas Pipeline, Lincoln - Gainsborough Railway Crossing. M141 30/04/2009
Microtunnelling at Millharbour Sewer Diversion. M142 28/02/2009
Microtunnelling at CHP Pipeline Tunnels and Shafts. M133 31/07/2008
Microtunnelling at Main Road, Sidcup FWFAS. M131 31/03/2008
Microtunnelling at Pannal to Asselby 1220 Gas Pipeline - RLX's. M128 31/10/2007
Microtunnelling at Locks Lane, Purton - RLX. M115 31/12/2006

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