Flood Protection and Canalised River Dam (linear) — Isère
Description
Flood protection dam and flooding and dyke of canals and rivers.
They are referred to in Article 3260 of Decree No 2006-881 of 17 July 2006.
A similar layer N_DIGUE_P describes the dikes in point form, for input under Cascade.
Water retention dams are described in layers N_OUVRAGE_RETENUE_P and N_OUVRAGE_RETENUE_L
Negative numbers (type “-999999”) mean that information is not available, this is often the case with respect to the extent of the protected area. The figure 0 is a value in the same way as the others. The classification of the dam within the meaning of the 2007 (Security) Decree is indicated (A/B/C/D) with the date of notification.
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