Winash Sanitary Sewer

Scope of work completed:

  • 5no. shafts of 5.5m internal diameter and depths of up to 16m installed in saturated silty-sand and gravel ground conditions.
  • Installation of 738m of 1200mm RC Microtunnel casing pipe with drive lengths ranging from 100m to 340m.
  • installation and grouting of RC sanitary pipes ranging from 450mm to 600mm ID inside the microtunnel casing.
  • Installation of 400m of 1050mm sanitary sewer by microtunnel including a curved drive with a radius of 320m.