唱ICS93.160 P55 广州市地方标准DB4401 DB4401/T45—2020 代替DBJ440100/T6—2017 水务工程信息分类与编码 Informationclassificationandcodeofwaterproject 2020-06-08发布 2020-07-01实施 广州市市场监督管理局发布 DB4401/T45—2020 I目次 前言.......................................................................................................................................................................Ⅲ 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 4信息分类与编码原则.......................................................................................................................................2 4.1信息分类.....................................................................................................................................................2 4.2编码原则.....................................................................................................................................................3 5水务工程编码格式...........................................................................................................................................3 5.1河流（涌）.................................................................................................................................................3 5.2水库.............................................................................................................................................................4 5.3水文测站.....................................................................................................................................................4 5.4堤防(围).....................................................................................................................................................5 5.5海堤.............................................................................................................................................................5 5.6湖泊.............................................................................................................................................................6 5.7机电排灌站.................................................................................................................................................6 5.8水（涵）闸.................................................................................................................................................7 5.9跨河工程.....................................................................................................................................................7 5.10治河工程...................................................................................................................................................8 5.11灌区...........................................................................................................................................................8 5.12水力发电工程...........................................................................................................................................9 5.13水土保持工程...........................................................................................................................................9 5.14取水工程.................................................................................................................................................10 5.15排污口.....................................................................................................................................................10 5.16污水处理工程.........................................................................................................................................11 5.17供水工程..........................