R111-3 from Besse-en-Oisans approved on 27/11/1973

Risk prevention plans (RPPs) are the State’s key instrument for risk prevention. Their objective is to control development in areas at risk. The development of a PPR generates a spatial dataset organised into several data sets. The same PPR includes the spatial datasets containing: — scope of exposure to risks, — restricted areas of the plan once approved. The RPP regulations distinguish between ‘Building prohibited areas’, known as ‘red areas’, where the general rule is the prohibition on construction; ‘required areas’, known as ‘blue zones’ where projects are subject to requirements adapted to the type of issue and hazard, and areas not directly exposed to risks but subject to prohibitions or requirements. The data are informative, only paper documents with the prefecture’s visa are authentic.风险预防计划（Risk Prevention Plans, RPP）是国家开展风险预防工作的核心工具，其核心目标为管控风险区域内的开发活动。 风险预防计划的编制会生成一套空间数据集，该数据集可细分为若干子数据集。单一项风险预防计划所包含的空间数据集涵盖以下内容：— 风险暴露范围；— 规划获批后的限制区域。根据风险预防计划的相关规定，该类限制区域可进一步划分为三类：其一为禁止建设区域（Building prohibited areas），俗称"红色区域"，通用规则为禁止一切建设活动；其二为合规建设区域（required areas），俗称"蓝色区域"，该区域内的开发项目需根据具体问题类型与灾害类型适配相应约束要求；其三为未直接暴露于风险但仍受禁止或限制要求的区域。 本数据集仅为参考性资料，唯有加盖地方行政主管部门（prefecture）核准签章的纸质文件方为有效凭证。