CJJ/T 147-2010
城镇燃气管道非开挖修复更新工程技术规程
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Scope as published
本规程适用于采用插入法、折叠管内衬法、缩径内衬法、静压裂管法和翻转内衬法对工作压力不大于0.4Mpa的在役燃气管道进行沿线修复更新的工程设计、施工及验收。
The original Chinese text is authoritative; this excerpt is retained as catalogue metadata, not a translated normative requirement.
Version history
Earlier editions: None recorded
Later editions: None recorded
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