Dataset Direct Download Service (WFS): Scope of the natural risk prevention plan (PPRN) of the municipality of GAJAN

This dataset contains the boundaries according to the stage of development of the PPRN.
The characteristic of a perimeter is to be the consequence of an official act and to produce its effects from a specified date. This may include:
— prescribed scope contained in the prescription order of a PPR (natural or technological);
— scope of risk exposure that corresponds to the scope regulated by the approved RPP. This approved perimeter is a utility easement (PM1 for PPRNs and PM3 for PPRTs);
— scope of study which corresponds to the envelope in which the hazards were studied.

本数据集收录了依据PPRN发展阶段划定的各类边界。
此类边界的核心属性为：由官方法定行为设立，并自指定日期起生效。其包含以下三类内容：
— 自然类或技术类PPR规定指令所载明的法定范围；
— 与经批准的RPP所规制范围相对应的风险暴露范围。该获批边界属于公用役地（PPRN对应PM1，PPRT对应PM3）；
— 对应于隐患研究覆盖范围的研究范畴。