Drenotube as drainage at the railway.
The use of Drenotube along the railway can result in considerable savings in labour hours.
10m¹ per minute can easily be achieved.
But there is also a great advantage in the supply of materials.
The Drenotube is a prefabricated gravel box, so all the actions required with a traditional gravel box/gravel trench to assemble it in the trench have become superfluous.