Risk Prevention Plan FNITP of the Huisne Valley in Sarthe.

The Risk Prevention Plans (PPR) were established by the Act of 2 February 1995 on strengthening the protection of the environment. They are the key instrument of the State in the field of risk prevention.
Their objective is to monitor development in areas exposed to a major risk.
The PPRs are approved by the prefects and generally carried out by the departmental directorates of the territories (DDT). These plans regulate land use or land use through construction bans or requirements on existing or future buildings (constructive provisions, vulnerability reduction work, restrictions on use or practices).
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Here, this is the regulatory zoning of the Natural Flood Risk Prevention Plan of the Huisne Valley in the COVADIS format. This zoning was approved by prefectural decree on 1 September 2005.

风险预防计划（Risk Prevention Plans，PPR）由1995年2月2日颁布的《加强环境保护法案》确立，是国家在风险预防领域的核心管控工具。

其核心目标为对存在重大风险的区域内的开发活动进行监测。

该类计划由省长审批通过，通常由领土部门理事会（Departmental Directorates of the Territories，DDT）负责执行。此类计划通过对新建或既有建筑实施建设禁令、制定相关要求（包括建设规范、降低灾害脆弱性工程、使用或行为限制等），以此规范土地使用行为。农业领域（……）。

本数据集采用COVADIS格式，收录了于泽讷河谷自然洪水风险预防计划的监管区划内容。该区划于2005年9月1日经省长令审批通过。