Method statement for prefabrication, pressure test and installation by spools of underground FW system 埋地 FW系统分段预制、试压和安装方法 编号 Ref. No: NH- HDPE+PP-WPR-241 Plant: PP+HDPE Contractor: TCM REV:F Client: CSPC Subcontractor: CP6CC Page 1 of 5 CONTENT 目录 1. Purpose 目的 2. Reference Documents 参考文件 3 general description 一般规定 4 Pipelines installation 管线安装 attached 附录 1 Pipe Spool Prefabrication And te