Pursuant to Circular DPPR/SEI2/FA-07-0066 of 4 May 2007, the Prefect informs the mayors of the technological risks surrounding classified facilities for the protection of the environment (ICPE).
This information consists of the definition of flat-rate areas for silos.
The fixed distances d' distance are of two types:Z1, the most restrictive for the mastery of urbanisation and Z2.
The regulatory arrangements for the control of urbanisation can be consulted on the Decree of 29/03/04.
__Origin__
The data are derived from an analysis by l' inspection of DREAL-classified intallations.
__Partner organisations__
DREAL Pays de la Loire
__Links annexes__
* [Order of 29/09/05 on the assessment and consideration of the probability of #x27; occurrence of kinetics of ' intensity of effects and severity of the consequences of potential accidents in hazard studies of classified installations subject to authorisation](http://www.ineris.fr/aida/consultation_document/5015)
* [basketDownloadFrontalParametrage](https://catalogue.sigloire.fr/geosource/panierDownloadFrontalParametrage?LAYERIDTS=15867472)
* [direct download of data](https://catalogue.sigloire.fr/rss/atomfeed/atomdataset/f021e5f7-d413-4321-ac1e-a4e98d7f113f)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/datasets/b7e8a96ef0479a957044c2fa5a8dcf9ab405fa64)
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