水利工程单元工程施工质量检验与评定标准—输水管道工程 DB21_T 3117-2019 5页

ICS27.140P55DB21辽宁省地方标准DB21/T3117—2019水利工程单元工程施工质量检验与评定标准—输水管道工程Inspectionandassessmentstandardforseparateditem\n\nDB21/T3117—2019目次前言.................................................................................V1范围..............................................................................12规范性引用文件....................................................................13术语和定义........................................................................24基本规定..........................................................................34.1一般要求......................................................................34.2工序质量检验评定..............................................................44.2.1工序质量评定条件..........................................................44.2.2工序质量评定程序..........................................................44.2.3工序质量检验评定资料......................................................44.2.4工序质量评定等级..........................................................54.2.5工序质量等级评定标准......................................................54.2.6阴极保护工序质量等级评定标准...............................................54.3单元工程质量检验评定..........................................................5\nDB21/T3117—20195.3.4质量检验项目与标准.......................................................125.3.5工序质量与单元工程质量评定...............................................155.4RPMP沟槽回填.................................................................165.4.1单元工程划分.............................................................165.4.2工序组成.................................................................165.4.3基本要求.................................................................165.4.4质量检验项目与标准.......................................................165.4.5工序质量与单元工程质量评定...............................................175.5球墨铸铁管沟槽回填...........................................................185.5.1单元工程划分.............................................................185.5.2基本要求.................................................................185.5.3质量检验项目与标准.......................................................185.5.4单元工程质量评定.........................................................186施工管道主体结构.................................................................196.1管道基础.....................................................................196.1.1单元工程划分.............................................................196.1.2基本要求.................................................................196.1.3质量检验项目与标准.......................................................196.1.4单元工程质量评定.........................................................206.2压力钢管安装.................................................................20\nDB21/T3117—20196.6顶管管道安装.................................................................346.6.1单元工程划分.............................................................346.6.2基本要求.................................................................346.6.3质量检验项目与标准.......................................................346.6.4单元工程质量评定.........................................................356.7阴极保护.....................................................................356.7.1钢管阴极保护.............................................................356.7.2PCCP阴极保护.............................................................376.7.3电位测试桩安装...........................................................396.7.4锌阳极安装、测试.........................................................417管道附属构筑物...................................................................427.1井室.........................................................................427.1.1单元工程划分.............................................................427.1.2基本要求.................................................................427.1.3质量检验项目与标准.......................................................437.1.4单元工程质量评定.........................................................447.2井室保温、防腐...............................................................447.2.1单元工程划分.............................................................447.2.2工序组成.................................................................447.2.3基本要求.................................................................45