The International Society for Trenchless Technology

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1. Pilot Tube Method
(Glossary)
A multi stage method of accurately installing a product pipe to line and grade by use of a guided pilot tube followed by up-sizing to install the product pipe ...
2. Cement mortar Liner
(News/Guidelines)
... applications, the mortar mix is often fed from a down-hole hopper. The speed that the spay machine is pulled through the host pipe determines the thickness of the coating. The spray application is followed ...
3. What is ISTT
(Uncategorised Content)
... the years that followed, ISTT affiliated with regional trenchless societies located throughout the world to advance these objectives globally. ISTT has 27 Affiliated Societies. (Click here for list of ...
4. History
(Uncategorised Content)
... followed, ISTT affiliated with regional trenchless societies located throughout the world to advance these objectives globally.  ...

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