地下管道施工方案最终.pdf

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1、神华巴彦淖尔能源有限责任公司12万吨/年焦炉气制甲醇装置安装工程地下管道施工方案编制：审核：批准：安全会签：中国化学工程第十四建设有限公司神华巴盟项目经理部二○一二年七月二日目录第一章工程概况...............................................41.1工程简述......................................................41.2工程特点......................................................41.3编制依据........................

2、..............................4第二章施工总体安排..............................................52.1工期部署......................................................52.2劳动力部署....................................................52.3施工方法综述..................................................52.4地下管道施工工序图.................

3、...........................52.5施工机具准备..................................................6第三章施工准备...............................................83.1技术准备......................................................83.2机具准备......................................................83.3材料准备.........................

4、.............................9第四章土方开挖.................................................124.1定位放线.....................................................124.2沟槽开挖.....................................................124.3管道基础.....................................................144.4管沟回填..................

5、...................................14第五章管道敷设安装..............................................165.1管道敷设一般规定.............................................165.2管道敷设安装.................................................165.3管子切割及坡口加工...........................................185.4钢管焊接.......................

6、..............................185.5焊接质量检查.................................................195.6阀门及附件...................................................195.7管道系统的试验及冲洗.........................................19第六章质量保证措施.............................................226.1贯彻“质量第一”的原则....................

7、..................226.2质量控制依据................................................226.3项目质量保证体系.............................................226.4质量保证的具体措施...........................................236.5工程质量控制点..