This dataset contains the boundaries at the different stages of the PPRN; development of the PPRN. The characteristic of these perimeters is to be the consequence of an official act and to produce their effects from a defined date. It is:
— prescribed perimeter set out in the prescribing order of n°#x27; a PPR (natural or technological);
— perimeter d' exposure to risks that corresponds to the perimeter regulated by the approved PPR. This approved perimeter is a public utility easement (PM1 for PPRNs and PM3 for PPRTs);
— perimeter d' study corresponding to #x27; envelope in which hazards have been studied.
Table of perimeters identified during the study of a PPR.
This table contains as a minimum the prescribed perimeters for PPRs at n°#x27; prescribed status and prescribed perimeters and d' exposure to risks for approved PPRs.
__Origin__
COVADIS standardisation of the PPRn digital data of the departments of the Aquitaine region (in 2014).
The boundaries of a zone d’#x27;aira are represented on the map of hazards according to the level of l'random. In other words, polygon objects representing zones d'random form a partial coverage of the studied area of which each cover element is a closed polygon in which hazards have the same level of ' intensity. In other words, the criterion for cutting the zones d'random is the level of l'random.
__Partner organisations__
DDTM Pyrénées-Atlantiques
__Links annexes__
* [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-4325142f-9555-4eaf-b8a0-fffe1edf9c81)
* [COVADIS data standard: Risk Prevention Plan PPRN PPRT](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?id=15)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/7275f2e911f8321cf14e6f55b579dd2ba02ae4b3)
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