In 2011, we installed 1,500,000m1 of prefabricated vertical drain, with an installation depth up to 29m.
PVDÂ installation is part of our segment consolidation.
In 2011, we installed 1,500,000m1 of prefabricated vertical drain, with an installation depth up to 29m.
PVDÂ installation is part of our segment consolidation.