Scope of the plan for the prevention of natural hazards (PPRN) of the municipality of Dreuilhe

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（PPRN）发展阶段划定的各类边界范围。 管控边界的核心特征为：其源于官方行政行为，并自指定日期起产生法律效力。其涵盖范畴如下： — 载于PPR（PPR）审批指令中的法定适用范围（涵盖天然型与技术型两类）； — 与经核准RPP（RPP）所规制范围相对应的风险暴露范围；该经核准的管控边界为公用役权（PPRN对应PM1，PPRT对应PM3）； — 对应危险源研究覆盖范围的研究范畴。