Construction & Installation Of Attenuation Tank; Installation Of Attenuation Tank; Laying Geomembrane And Geotextile - Graf ECO BLOC FLEX Instrucciones Para El Montaje

8. Construction & installation of attenuation tank
8. Construction & installation of attenuation tank
8.1

Installation of attenuation tank

Chapters 7.1 and 7.2 describe how to prepare the
excavation and lay the first layer of geotextile.
8.2

Laying geomembrane and geotextile

Further steps follow laying the first layer of
geotextile.
The water-impermeable membrane is placed on
the first sheet of geotextile, followed by another
layer of geotextile. This three-layered surround
provides protection and a water-tight shell.
GRAF and your local trading partner remain at
your service for any further information or advice
concerning waterproof film.
8.3 Construction & installation of attenuation tank
For use as a retention tank, a flow controller or a drainage throttle should be installed in a separate shaft.
GRAF and your local trading partner remain at your service for any further information or advice.
27 / 60