2.清管、测径、试压施工方案

黄陂-麻城(红安)天然气输气管道工程黄陂红 I 段

清管、测径、试压 施工方案

湖北省天然气管道工程江汉油建项目部

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目 录

1. 适用范围 ............................................................................................................................. 1 2. 编制依据 ............................................................................................................................. 1 3. 工程概况 ............................................................................................................................. 1 4. 试压段落划分 ..................................................................................................................... 1

4.1 试压段压力 ............................................................................................................................................1 4.2 试压段长度和高差限制 ........................................................................................................................1 4.3 试压分段 ................................................................................................................................................2

5. 试压介质的选择 ................................................................................................................. 4

5.1 试压介质要求 ........................................................................................................................................4 5.2 水源确定 ................................................................................................................................................4 5.3 取、排水要求 ...................................................................................................... 错误！未定义书签。 5.4试压场地 .................................................................................................................................................4

6. 设备选型 ............................................................................................................................. 4

6.1 空气压缩机 ............................................................................................................................................4 6.2 清管器 ....................................................................................................................................................4 6.3 试压及注水设备 ....................................................................................................................................5 6.4 仪表 ........................................................................................................................................................5 6.5 钢管和管件 ............................................................................................................................................5 6.6 辅助设备 ................................................................................................................................................6 6.7 试压设备校验 ........................................................................................................................................6

7. 施工计划 ............................................................................................................................. 6 8. 清管试压方案 ..................................................................................................................... 7

8.1 施工程序 ................................................................................................................................................7 8.2 清管、测径方案 ....................................................................................................................................7 8.3上水、试压方案 .....................................................................................................................................9 8.3.1 试压头的检查 .....................................................................................................................................9 8.4 管道泄压 .............................................................................................................................................. 11 8.5试压失败 ............................................................................................................................................... 11 8.6管道排水 ............................................................................................................................................... 11 8.7 管道扫水 ..............................................................................................................................................12

9. 质量要求和记录 ............................................................................................................... 12

9.1证明文件 ...............................................................................................................................................12 9.2清管记录、测径记录、水压试压报告 ...............................................................................................12

10． HSE管理措施 ............................................................................................................... 13

10.1安全环保措施 .....................................................................................................................................13 10.2应急措施 .............................................................................................................................................14

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