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Half-coast type section
Scale 1:100
Half-coast type section with PP drain collector DN 400 mm in the presence of a retaining wall
In the event that the roadway has a transverse slope directed towards the valley, a triangular gutter will be built again in the upstream section, which in this case will however convey the water coming from the upstream basin only towards the relative manhole, while the precipitation that affects the roadway is discharged by creating tiles near the interruptions of the kerb where the road barriers are fixed. At the foot of the tile, the installation of a Reno mattress is again planned in order to limit the erosive action on the ground.
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