广东省南兴建筑工程有限公司兴仁换流站站区排水管道施工技术方案1目录一、工程概况............................................................................................................................2二、工程特点............................................................................................................................2三、施工准备..........................................................................................................................2四、施工要求............................................................................................................................3五、施工程序............................................................................................................................4六、主要施工方法....................................................................................................................41．测量放样...........................................................................................................................42．管槽开挖...........................................................................................................................43．管道垫层...........................................................................................................................54．管道安装...........................................................................................................................6◆硬聚氯乙烯管道安装.....................................................................................................6◆钢筋混凝土管道安装.....................................................................................................6◆事故排油管道安装.........................................................................................................7◆给水管道安装.................................................................................................................85．管道基座...........................................................................................................................86．检查井施工.......................................................................................................................97．排水沟槽回填...................................................................................................................98．回填材料及回填要求.....................................................................................................109．管道闭水和水压试验.....................................................................................................10七、质量保证措施................................................................................................................12八、安全保证措施................................................................................................................14九、文明施工..........................................................................................................................15十、附图..................................................................................................................................161．质量保证体系框图.........................................................................................................162．安全保证体系框图........................................................................................
