Prevention of flood risks by runoff — flow axis of the PLU-H of the Métropole de Lyon
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Dataset information
Country of origin
Updated
2023.03.26 00:06
Created
2020.02.05
Available languages
French
Keywords
urbanisme, occupationdusol
Datasource
Quality scoring
195
Dataset description
Linear flow axis corresponding to a water collection line that flows to the surface and reaches the topographic low points. Flow axes can be prioritised, vigilant or artificial. Artificial axes are roads.
The positioning of flow axes has an indicative value.
Provisions applicable to all flow axes and special provisions depending on the nature of the flow axes shall apply. There are 3 types of flow axis:
* Priority flow axes: Attribute TYPEPLU = PRIORITAR,
* Artificial flow axes: Attribute TYPEPLU = ARTIFICIEL,
* Axes of vigilance: Attribute TYPEPLU = VIGILANCE,
To have an overall visibility of the risks of runoff flooding, combine the Production Perimeters and Flow/Accumulation Perimeters
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