Perimeter PPR YZERON

This class describes any perimeter delimiting an area influenced by the presence of a PPR. The perimeters thus defined have an official character and produce their effects as of &a defined date. • Prescribed perimeter indicated in the prescribing order of n°#x27; a PPR (natural or technology) • Perimeter d' exposure to risks that corresponds to the perimeter regulated by the PPR approved. This approved perimeter is equivalent to public utility easement (PM1 for PPRNs) and PM3 for PPRTs) • Perimeter of the study corresponds to the envelope in which the hazards have been studied __Origin__ The perimeter of a prescribed PPR is usually provided in the prefect’s prescription order. The perimeter d' exposure to risks — or regulated perimeter — corresponds to the \#x27; geometric aggregation of l' all the restricted zones listed in the same PPR. The perimeter of the study corresponds to the envelope in which the hazards were studied. __Partner organisations__ DDT Rhône __Links annexes__ * [basketDownloadFrontalParametrage](https://catalogue.datara.gouv.fr/geosource/panierDownloadFrontalParametrage?LAYERIDTS=8362) * [direct download of data](https://catalogue.datara.gouv.fr/rss/atomfeed/atomdataset/49c2d1b0-4a73-488a-ba20-14b621d60e93) [See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/e4ec5eebf7fe2968ac2ed95896070177c7c02445)