DB33/T1234-2021：城镇雨污分流改造技术规程

DB33-T1234-2021······1

1 总则······9

2 术语······10

3 基本规定······12

4 调查······13

4.1 一般规定······13

4.2 污水源头······15

4.3 公共排水设施······17

4.4 调查成果······19

5 设计······22

5.1 一般规定······22

5.2 生活小区······22

5.3 工业园区······24

5.4 六小行业······25

5.5 其他······26

5.6 公共排水设施······27

6 施工与验收······28

6.1 一般规定······28

6.2 施工······28

6.3 验收······30

6.4 评价······31

7 运行与维护······33

附录A 片区排水户普查登记表······35

附录B 片区排水户问题清单表······36

附录C 片区排水户统计表······37

附录D 排水设施问题清单表······38

附录E 排水口公示表······39

附录F 排水口基本情况表······40

附录G 雨污分流改造验收评分表······41

附录H 验收评定牌······47

本规程用词说明······48

引用标准名录······49