N_PERIMETRE_PPRI_20110042_S_032

This dataset contains the boundaries of the PPR flooding of the municipality of Marestaing in the department of Gers. The characteristic of this perimeter is to be the consequence of an official act and to produce their effects from a specified date. This is the following: — prescribed scope as set out in the PPRI prescription order; — scope of risk exposure that corresponds to the scope regulated by the approved RPP. This approved perimeter is a utility easement; — scope of study which corresponds to the envelope in which the hazards were studied.本数据集涵盖热尔省（Gers）马雷斯唐市镇（Marestaing）的PPR洪水风险区划（PPR flooding）边界。该区划的设立依据官方公文，并自指定日期起生效，具体包含以下三类范围： — PPRI指令（PPRI）中明确规定的划定范围； — 经批准的RPP（RPP）所规制的风险暴露范围，该获批区划属于公共地役权范畴； — 洪水灾害研究覆盖范围，即开展灾害风险分析时所采用的边界域。