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Drainage

The action and effect of draining a site or plot. It may be: - Surface, comprising: *Collection of water running from the platform and platform edges, by means of channels and trenches. *Evacuation of collected water to natural water courses, plumbed systems or the water table. *Restoration of the water courses which the road traverses, by means of conditioning and construction of transversal drains. - Transversal: to restore the continuity of the plot's natural drainage system in compliance with operational criteria, so that it may pass beneath the road.