Natural hazard prevention perimeter – Land movements or flooding by overflow of rivers not covered by a PPRNI of the PLU-H of the Métropole de Lyon

Scope of field movement risks:
Geographical perimeter, to which specific regulation applies depending on the slope, the nature of the soil and the basement of the land and the hydraulic conditions of the area.
Attribute TYPROCED = GEOL1, prevention area
Attribute TYPROCED = GEOL2, area of vigilance

Perimeter of flood risks by river overflow:
Geographical area where risk prevention limits land use and use, construction and activities depending on the importance of the hazard.
Attribute TYPRISQ = RISQINON_FORT, Aléa strong
Attribute TYPRISQ = RISQINON_MOYEN, Middle Alea
Attribute TYPRISQ = RISQINON_FAIBLE, Alea low
Attribute TYPRISQ = RISQINON_URBDENSE, Aléa dense urban district

To have a global visibility of the risks of flooding by overflowing watercourses, associate the Non-Domanial Watercourse sheet.