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

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发展阶段划分的边界范围。 管控边界的核心特征为：由官方行为所催生，并自指定生效日期起产生法律效力。此类边界范围可包含以下类型： ——PPR审批令中载明的规定范围（涵盖天然类与技术类PPR）； ——与获批RPP所管控范围相对应的风险暴露范围；该获批管控边界属于公共事业地役权（PPRN对应PM1，PPRT对应PM3）； ——与危险源研究包络范围相一致的研究范畴。