What are the conditions before the installation of the ventilation pipe?

　　1.與管道有關的土建工程經檢查合格，滿足安裝要求;

　　1. 、 civil engineering work related to the pipeline shall be inspected and qualified to meet the installation requirements;

　　2.設計資料及其他技術文件齊備，施工圖已經會審，施工組織設計編制完畢并得到批準;

　　2. design documents and other technical documents are complete, the construction plan has been mixed, the construction organization design completed and approved;

　　3.與管道連接的設備安裝就位固定完畢，標高、中心線、管口方位符合設計要求;

　　3.. The equipment connected with the pipe is installed in place and fixed. The elevation, center line and nozzle orientation meet the design requirements;

　　4.必須在管道安裝前完成的有關工序，如清洗、脫脂、內部防腐與襯里等已進行完畢;

　　4. necessary procedures such as cleaning, degreasing, internal corrosion protection and lining must be completed before the pipeline is installed;

　　5.管子、管件及閥門等已經檢驗合格，并具備有關的技術證件;

　　5. pipes, fittings and valves have been inspected and have relevant technical certificates;

　　6.管子、管件及閥門等已按設計要求核對無誤，內部已清理干凈，不存雜物;

　　6. pipes, fittings and valves have been checked according to the design requirements, the internal cleaning has been done, no debris;

　　7.地下管溝開挖完畢，裝置管廊施工完畢。

　　7. the excavation of the underground pipe ditch is completed and the pipe gallery is completed.

　　本公司以可靠的質量，的服務，合理的贏得了新老客戶的信賴。在充滿挑戰和機遇的世紀里，我們將銳意進取，契而不舍地追求精益求精的品質和善美的服務。

　　The company has reliable quality, perfect service, reasonable price, won the trust of new and old customers. In the full of challenges and opportunities of the century, we will forge ahead, never give up the pursuit of excellence in quality and service It's perfection itself.

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