Regulatory zoning of a technological risk prevention plan (PPRT) Picoty SA in Chasseneuil-du-Poitou
Description
For PPRTs, the Environmental Code defines a single zone category for zones (L515-15 et seq.):
areas exposed to risk.
Unlike natural PPRs, PPRTs never contain restricted areas that are not directly exposed to risks.
Depending on the hazard level, each area of the PPRT is subject to an enforceable settlement.
PPRT regulations generally distinguish two types of zones:
1- ‘building ban zones’, so-called ‘red zones’, where the hazard level is high and the general rule is the prohibition of construction;
2- ‘required areas’, known as ‘blue zones’, where the hazard level is average and projects are subject to requirements adapted to the type of issue.
The PPRT development guide’s instructions add gradation within the “red zones” and “blue zones”.
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