Dewatering solutions provide most cost-effective water table management via using different methods of Dewatering
- WELLPOINT SYSTEM
- DEEP WELL SYSTEM
- SUMP / OPEN PUMPING
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