DB43/T—2023 276643 湖南省地方标准 ICS CCS 27.140 P 59 发 布 湖南省市场监督管理局2023-0 9发布-27 2023-12实施-2 7水利环保清淤工程施工及验收规范 Code for construction and acceptance of water conservancy and environmental protection desilting engineering DB43/T 2766—2023 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 施工准备 ·············································································································· 3 4.1 一般规定 ········································································································ 3 4.2 工况复核 ········································································································ 3 4.3 设备选择 ········································································································ 3 4.4 现场准备 ········································································································ 4 5 清淤施工 ·············································································································· 5 5.1 一般规定 ········································································································ 5 5.2 排干式环保清淤 ······························································································· 5 5.3 水下环保清淤 ·································································································· 5 5.4 二次污染防控与环境监测 ··················································································· 6 5.5 施工安全 ········································································································ 7 6 淤泥处理 ·············································································································· 8 6.1 一般规定 ········································································································ 8 6.2 淤泥预处理 ····································································································· 8 6.3 脱水固化 ········································································································ 9 6.4 余土处置 ······································································································· 10 7 余水处理 ············································································································· 11 7.1 一般规定 ······································································································· 11 7.2 余水排放指标 ································································································· 11 7.3 余水处理方法 ································································································· 11 8 施工质量控制及验收 ······························································································ 12 8.1 一般规定 ······································································································· 12 8.2 项目划分 ······································································································· 12 8.3 施工质量检验与评定 ························································································ 12 8.4 工程量计算 ···································································································· 12 8.5 工程验收 ······································································································· 13 附录A（资料性） 余土检测指标与限值 ········································································ 14 附录B（规范性） 水利环保清淤单元工程质量评定表 ······················································ 17 DB43/T 2766—2023