Protected zone C – Regional flood defences (standard 1:100) (Organisation Regulation)

This stock contains protected area C, as laid down in the Environmental Ordinance of the Province of Groningen. These are regional flood defences in the province of Groningen. They are tested and strengthened on the level of water once every 100 years (1:100). For stability, they meet a load once every 100 years.本数据集包含格罗宁根省（Province of Groningen）《环境条例》（Environmental Ordinance）所划定的C类保护区。该类设施为格罗宁根省境内的区域性防洪工程，每百年（重现期1:100）将依据对应水位标准开展检测与加固作业。为保障结构稳定性，其荷载设计需符合百年一遇的荷载要求。