Risk Prevention Plans (RPPs) are the key instrument for risk prevention. Their objective is to control development in areas at risk. L' development of a risk prevention plan generates a series of spatial data organised into several datasets. This dataset describes the restricted areas of the plan once approved. The PPR regulations generally distinguish between ‘zones d' prohibition of construction’, so-called ‘red zones’, where the level of ' hazard is strong and the general rule is n°#x27; prohibition on construction; ‘areas subject to requirements’, known as ‘blue zones’, where the level of #x27; hazard is average and projects are subject to requirements adapted to the type of #x27; at stake and areas not directly exposed to risks but subject to prohibitions or prescriptions.
__Origin__
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__
DDT Loiret, Industrial Environment Service DDPP, DDT45 — SUADT
__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-f258904c-f0e5-41e1-a359-bcc2dc9c71d8)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/e09cba5b52b69dc31bd1c803575642411e1792bf)
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