PVC管暗敷设09-02-18

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1、PVC管暗敷设安装作业指导书二○○九年二月目录1适用范围...............................................................................................................................32引用标准...............................................................................................................................33施工准备

2、...............................................................................................................................33.1材料要求：...................................................................................................................33.2主要机具：..................................

3、.................................................................................33.3作业条件：...................................................................................................................43.4材料要求：................................................................................

4、...................................43.5主要机具：...................................................................................................................43.6作业条件：...................................................................................................................44施工工艺.....

5、..........................................................................................................................54.1工艺流程：...................................................................................................................54.2弹线定位：.......................................

6、............................................................................54.3PVC管预制管弯.............................................................................................................54.3.1冷煨法：.......................................................................................

7、....................64.3.2热煨法：...........................................................................................................64.4预埋接线盒、插座盒、设备箱：...............................................................................64