2025年天然气企业燃气输配工程施工及验收技术规定 .pdfVIP

丹青不知老将至，贫贱于我如浮云。——杜甫

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天然气企业燃气输配工程施工及验收

技术规定

文件编号：ABC-RQ-20××

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发布日期：20××年1月1日生效日期：20××年1月1日

分发部门■总经L■常务副总■财务副总■工程副总

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丹青不知老将至，贫贱于我如浮云。——杜甫

目录

1总则··································································1

2土方工程····························································1

2.1一般规定···························································1·

2.2开槽·································································2·

2.3回填与路面恢复··················································4·

2.4警示标志带和金属示踪线敷设································6·

2.5管道地面标志设置···············································7·

3管材及管件、设备的性能及检验·····························7

3.1一般规定···························································7·

3.2钢管及钢制管件··················································8·

3.3聚乙烯燃气管（以下简称PE管）及管件··················8·

4管道、设备的搬运和存放······································8

4.1搬运·································································8·

4.2存放·································································8·

5钢质管道及管件的防FU········································9

5.1一般规定···························································9·

5.2管道的表面处理··