Dewatering solutions provide most cost-effective water table management via using different methods of Dewatering

  • WELLPOINT SYSTEM
  • DEEP WELL SYSTEM
  • SUMP / OPEN PUMPING

WELLPOINT SYSTEM

Below methods used to install wellpoint dewatering system

  • Hand Spearing with water jetting system
  • Pre-Drill and Hand Spearing with water jetting system
  • Sand Tubing / Prodder

 

Wellpoints are 50mm tubes with slots near the bottom that are inserted into the ground from which water is drawn by vacuum generated with a dewatering pump. Wellpoints are typically installed at close centres in a line along or around the edge of an excavation.

​For deep projects, wellpoints can be installed in stages with the first reducing the water level by up to five metres and a second stage installed at a lower level lowering it further.

​DWS specialise in providing complete wellpoint dewatering services:

  • Design of dewatering systems
  • Wellpoint installation
  • Monitoring systems
  • On-site operation and maintenance
  • Total Water table management