When there is a high wear at the bottom and/ or there is no chance to cover the bottom with concrete, there is a collector line or high wear at the bottom then River Rehabilitation is required for landscape and supplying base stabilisation. Used Geogrids permits for maintanence and repair of the collector line.

River Rehabilitation process;
* Grade excavation and filling the gaps at the bottom of the river,
* Geotextile and Geogrid lay out,
* Concrete beams are constructed over the sealing layer in every 50m to make terraces,
* Concrete repeling on the river walls to lock teh Geotextiel and Geogrid. Thus precipitates are blocked to fall under
* Base slop finalization to make the way of water to the discharge point (sea etc.. )
Quotations should be referenced.