The International Society for Trenchless Technology

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Total: 7 results found.

1. Bore
(Glossary)
Void which is created to receive a pipe, conduit or cable. ...
Method for the installation of pipes, conduits and cables using a surface-launched drilling rig. A pilot bore is drilled using a rotating drill string and is then enlarged by a back reamer to the size ...
3. Jacking Shaft
(Glossary)
An excavation from which trenchless technology equipment is launched for the installation or removal of a pipeline, conduit, or cable. May include a thrust wall to spread reaction loads to the ground. ...
4. Open Cut
(Glossary)
Underground construction method involving excavation from ground level to the level required for the installation, maintenance or inspection of a pipe, conduit or cable. Upon completion of the work, the ...
... HDD is best suited for installing pressure pipes and conduits where precise grades are not required. The main components of HDD are: (1) a directional drill rig sized for the job at hand; (2) drill rods ...
6. Spiral Wound Lining PE or PVC
(News/Guidelines)
Spiral wound liners can be used to rehabilitate gravity pipeline applications such as storm sewers, sanitary sewers, conduits, culverts and process pipes. The configuration of spiral wound liners often ...
7. Why Trenchless? ('No-Dig')
(Uncategorised Content)
... See Trenchless Guidelines for details. Trenchless technologies are and have been used successfully for all underground utilities from, water, sewer, gas, and industrial pipelines to electrical conduit ...

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