Relief wells for:
- Ballast drainage
- Embankment & cuttings
- Cliff face stabilisation
- Tunnel roofs & side walls
A threaded, perforated or slotted pipe with multi-layered filter screen to provide a hydraulically efficient low head-loss embankment drainage system.
TerraFilter™ can be used for ballast drainage in on-track drainage systems and pressure relief wells in off-track systems.
REGISTERED OFFICE: Geotechnical Centre, Rougham Industrial Estate, Rougham, Bury St Edmunds, Suffolk IP30 9ND. Registered in England: 2481929