Microtunnelling at Mogden STW - East Side Enhancement Works. M139

Client
Thames Water Utilities Ltd

Project
East Side Enhancement Works and Mogden STW.

Description

open faced tunnelling and shaft sinking

  • 150m x DN1500mm pipe jack using the Akkerman drum digger
  • RC works within manhole/shafts
  • 10No manholes/shafts, ductile pipe work and fittings
  • 180m 600mm id twin open cut, flow meter chambers
  • 50m x DN1500mm hand pipe jack and RC structures

Ground Conditions

3m of made ground overlying soft to firm brown London Clay.

SPI Ltd (part of the AEY Group) completed the piling works prior to our arrival on site.

Study Project Date  
Microtunnelling at A1 Gas Crossing, Leeming, North Yorkshire. M158 31/05/2010
Microtunnelling at Chatterley Whitfield Country Heritage Park, Stoke on Trent. M151 28/02/2010
Microtunnelling at Ferniegair WwTW - Outfall Pipeline, M74 Crossing. M138 31/01/2009
Microtunnelling at Mogden STW - East Side Enhancement Works. M139 31/10/2008

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