Data batch direct download service (WFS): Natural hazard prevention plan (PPRN) of the municipality of ASTON

The COVADIS data standard for risk prevention plans includes all the technical and organisational specifications for the digital storage of geographical data represented in the risk prevention plans (RPPs).
The major risks consist of the eight main natural hazards foreseeable in the national territory: floods, earthquakes, volcanic eruptions, terrain movements, coastal hazards, avalanches, forest fires, cyclones and storms, and four technological risks: nuclear risk, industrial risk, risk of transport of hazardous materials and risk of dam failure.
The Risk Prevention Plans (PPR) were established by the Act of 2 February 1995 on strengthening the protection of the environment. The PPR tool is part of the Law of 22 July 1987 on the organisation of civil security, the protection of the forest against fire and the prevention of major risks. The development of a RPP is the responsibility of the State. It is decided by the Prefect.
Whether natural, technological or multi-hazard, risk prevention plans have similarities. They contain three categories of information:
• Regulatory mapping translates into a geographical delimitation of the territory concerned by the risk. This delimitation defines areas in which specific regulations apply. These regulations are easement and impose requirements varying according to the hazard level to which the area is exposed. The areas are represented on a zoning plan that fully covers the study area.
• The hazards at the origin of the risk are contained in hazard documents which may be inserted in the presentation report or annexed to the RPP. These documents are used to map the different intensity levels of each hazard considered in the risk prevention plan.
• The issues identified during the preparation of the RPP can also be annexed to the approved document in the form of maps.
These similarities between the different types of PPR and the desire to achieve a good level of standardisation of PPR data have led COVADIS to opt for a single data standard, sufficiently generic to deal with the different types of risk prevention plan (PPRN natural risk prevention plans, technological risk prevention plans PPRT).
This data standard does not consist of a complete modelling of a risk prevention plan dossier.
The scope of this document is limited to geographical data in the RPPs, whether regulatory or not. Nor is the PPR standard intended to standardise knowledge of hazards.
The challenge is to have a description for a homogeneous storage of the geographical data of the RPPs, since these data are of interest to several professions within the ministries responsible for agriculture, on the one hand, and ecology, and on the other hand, sustainable development.

用于风险预防计划的COVADIS数据标准，涵盖了风险预防计划（Risk Prevention Plans，缩写RPPs）中所涉及地理数据的数字化存储所需的全部技术与组织规范。
其涵盖的重大风险包含法国本土可预见的8类主要自然灾害：洪水、地震、火山喷发、地形位移、海岸灾害、雪崩、森林火灾、气旋与风暴，以及4类技术风险：核风险、工业风险、危险物料运输风险与溃坝风险。
风险预防计划（Risk Prevention Plans，缩写PPR）由1995年2月2日发布的《加强环境保护法案》确立。该工具同时纳入1987年7月22日发布的《公民安全组织、森林防火与重大风险防治法案》的相关条款。风险预防计划的编制工作由国家负责，最终由省长审批敲定。
无论风险类型为自然风险、技术风险还是多灾害复合型风险，各类风险预防计划均具备共通特征，其信息可分为三大类别：
• 监管制图：将风险覆盖的领土范围以地理边界形式划定，明确特定监管规则适用的区域。此类监管属于管制性地役权，其要求会根据区域所承受的灾害等级动态调整。上述区域将通过覆盖全研究区域的分区规划图进行可视化呈现。
• 风险源灾害信息：收录于灾害文档中，可嵌入汇报材料或作为风险预防计划的附件。此类文档用于绘制风险预防计划所考量的各类灾害的不同强度等级分布地图。
• 风险预防计划编制过程中识别出的相关问题，也可通过地图形式作为附件纳入已获批的正式文件中。
鉴于不同类型的风险预防计划存在上述共通特征，同时为实现PPR数据的高水平标准化，COVADIS选择采用统一的数据标准。该标准具备足够的通用性，可适配各类风险预防计划，包括自然风险预防计划（Natural Risk Prevention Plans，缩写PPRN）与技术风险预防计划（Technological Risk Prevention Plans，缩写PPRT）。
本数据标准并非对风险预防计划档案的完整建模。
本文件的适用范围仅限于风险预防计划中的地理数据，无论其是否具备监管属性。同时，PPR标准亦无意对灾害认知进行标准化。
当前面临的核心挑战在于，为风险预防计划的地理数据构建统一的存储描述规范——此类数据同时受到农业、生态与可持续发展等多个政府部门相关从业者的关注。