ITU-T L.73
Methods for inspecting and repairing underground plastic ducts
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| Organization: | ITU-T |
| Publication Date: | 1 April 2008 |
| Status: | active |
| Page Count: | 22 |
scope:
This Recommendation:
− makes a classification of different methods for inspecting and repairing underground ducts;
− describes both trenchless methods and conventional methods;
− is limited to the methods for underground ducts in which no cables are installed;
− focuses on methods for underground ducts that have single-way duct unit systems and are made of plastic materials such as polyvinyl chloride (PVC) and polyethylene (PE);
− deals with pipes having diameters ranging from 90 to 110 mm.
Document History
ITU-T L.73
April 1, 2008
Methods for inspecting and repairing underground plastic ducts
This Recommendation:
− makes a classification of different methods for inspecting and repairing underground ducts;
− describes both trenchless methods and conventional methods;
− is limited to the...
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