ITU L.48:2003
ITU L.48:2003 Mini-trench Installation Technique Describes the so-called mini-trenching technique, that allows the installation in small trenches of underground optical cables in ducts or directly buried copper cables.
Table of Contents
1Scope2Themini-trenchingcable-layingtechnique
2.1Preparatorysteps
2.2Excavationrequirements
2.3Mini-trenchcleaning
2.4Layingoftheinfrastructureorcables
2.5Pullcordandplugs
2.6Backfilling
2.7Mechanicalprotection
2.8Identification
2.9Resurfacing
2.10Maintenanceofcableorductafterlaying
3Mini-trenchingmethodsandprocedures
3.1Manualprocedure
3.2Partiallyautomatedprocedures
3.3Fullyautomatedprocedures
4Mini-trenchingapplicationcriteria
4.1Entrytoexistingmanholesorchambers
4.2Roadcrossings