The off-stream pond was realised by excavation and embankment (dam) construction, with a designed capacity of 600 thou.;snd m3 of water for irrigation purp;,aca. 1bc aYCrage permeability of the subsoil induced the use of a geomembrane liner. Construction difficulties bad to be solved on site, such u water flooding during excavation of a very permeable soil lensc and important deformation of the liner sand support due to
heavy rainfalls. Design a ainst sliding of the liner cover wu adopted and the use of an extensive network of geotextile drains was decided during construction, proving that strict quality control and site f-.. aow – up by
specialists was r.,;:cessary:
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