Dataset Direct Download Service (WFS): Arrow FNIPP Restricted Area in Sarthe.

For natural PPRs, the Environmental Code defines two categories of zones (L562-1): risk-exposed areas and areas that are not directly exposed to risks but where measures can be foreseen to avoid exacerbating the risk.Depending on the hazard level, each area is subject to an enforceable settlement. The regulations generally distinguish three types of areas:1- ‘Building prohibited areas’, so-called ‘red areas’, where the hazard level is high and the general rule is the construction ban;2- ‘prescription areas’, known as ‘blue zones’, where the hazard level is medium and projects are subject to requirements adapted to the type of issue; 3- areas not directly exposed to risks but where constructions, works, developments or farms, agricultural, forestry, crafts, commercial or industrial could aggravate risks or cause new ones, subject to prohibitions or requirements (cf. Article L562-1 of the Environmental Code). The latter category applies only to natural RPPs.

针对自然风险预防规划（PPRs），《环境法典》（Environmental Code）在第L562-1条中划定了两类区域：风险暴露区域，以及虽未直接面临风险但可预先采取防控措施以避免风险加剧的区域。依据危险等级的不同，每类区域均需遵循可强制执行的管控要求。相关法规通常将区域划分为以下三类：
1. 禁止建设区，亦称"红色区域"：该区域危险等级较高，原则上适用建设禁令；
2. 限制建设区，又称"蓝色区域"：该区域危险等级为中等，建设项目需遵循适配问题类型的专项管控要求；
3. 虽未直接面临风险，但各类建设工程、开发活动或农、林、手工、商业及工业类经营场所可能加剧既有风险或引发新风险的区域，需遵守相关禁止性规定或管控要求（详见《环境法典》第L562-1条）。
上述第三类区域仅适用于自然风险预防规划（RPPs）。