ICS 93.020 P 11 备案号： 湖 DB42 北 省 地 方 标 准 DB42/T 875—2019 代替DB42/T 875-2013 湖北省城镇地下管线探测技术规程 Technical specification for undergroundpipeline detection and surveying in towns and cities of Hubei Province （报批稿） 2019-04-08 发布 湖北省住房和城乡建设厅 湖 北 省 市 场 监 督 管 理 局 2019-07-08 实施 联合发布 DB42/T 875—2019 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 基本规定 ····································································································2 5 技术准备 ····································································································5 5.1 一般规定 ·································································································5 5.2 5.3 5.4 5.5 5.6 5.7 地下管线资料收集 ···············································································5 地下管线现况调绘 ···············································································6 现场踏勘 ···························································································6 探查仪器校验 ·····················································································7 探查方法试验 ·····················································································7 技术设计书编制 ··················································································7 6 地下管线探查 ······························································································8 6.1 6.2 6.3 6.4 一般规定 ···························································································8 实地调查 ···························································································9 地球物理探查 ····················································································12 质量检查 ··························································································16 7 地下管线测量 ·····························································································18 7.1 7.2 7.3 7.4 7.5 一般规定 ··························································································18 控制测量 ··························································································18 管线点测量 ·······················································································21 地下管线放线测量与竣工测量 ·······························································22 质量检查 ··························································································24 8 数据处理与建库 ··························································································26 8.1 8.2 8.3 8.4 8.5 一般规定 ··························································································26 数据处理 ··························································································26 管线图编绘 ·······················································································28 管线成果表编制 ·················································································30 数据建库 ··························································································30 9 成果验收与提交 ··························································································32 9.1 9.2 9.3 9.4 一般规定 ··························································································32 成果质量检验 ····················································································32 验收 ································································································32 成果提交 ··························································································34 附录 A（规范性附录）地下管线数据分类代码及设色标准 ·········································35 I DB42/T 875—2019 附录 B（规范性附录）管线要素分类与代码 ···························································36 附录 C（规范性附录）地下管线图例 ····································································62 附录 D（规范性附录）管线属性数据字典 ······························································72 附录 E（规范性附录）管线数据结构 ····································································75 附录 F（资料性附录）明显管线点调查表 ······························································81 附录 G（资料性附录）隐蔽管线点探查记录表 ························································82 附录 H（资料性附录）地