The International Society for Trenchless Technology

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Total: 23 results found.

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1. New Installation
(Glossary)
Construction of a new pipe or underground utility to replace or upgrade an existing system or to provide new service. ...
2. 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 ...
3. Repair
(Glossary)
Trenchless construction procedures to restore or improve the structural integrity and / or performance of the utility. ...
4. Replacement
(Glossary)
Construction of a new pipe or underground utility located on or off the line of the existing systems, which serves the same function as the old system. ...
Underground construction methods of utility installation, rehabilitation, inspection, location and leak detection, with minimum excavation from the surface. ...
6. Tunneling
(Glossary)
A construction method of excavating an opening beneath the ground without continuous disturbance of the ground surface and of large enough diameter to allow individuals access and erection of a ground ...
7. Pipe Jacking & Microtunneling
(News/Guidelines)
Microtunneling is a trenchless construction method used to install pipelines beneath highways, railroads, runways, harbors, rivers, and environmentally sensitive areas.  Microtunneling is defined ...
8. Gold Medal History
(Pages/Generic)
...  2001, No-Dig Prague Dr. Ivo Vavra dedicated his life to the education of new civil engineers especially in the field of trenchless technology. He was Deputy Head of the Construction Technology Department ...
9. Vacuum Excavation Potholing
(News/Guidelines)
Vacuum excavation systems combine pressurized jetting and suction equipment to support a number of construction and trenchless applications. These systems come in a wide variety of sizes. They may be self ...
10. Mole Ploughing
(News/Guidelines)
... traditional underground construction methods requiring wide trenches. These two techniques use plows, cutter chains, or disc to open a furrow or narrow trench in which a flexible pipe or cable is inserted.  ...
11. Narrow Trench
(News/Guidelines)
... traditional underground construction methods requiring wide trenches. These two techniques use plows, cutter chains, or disc to open a furrow or narrow trench in which a flexible pipe or cable in inserted.  ...
12. Potholing
(News/Guidelines)
Vacuum excavation systems combine pressurized jetting and suction equipment to support a number of construction and trenchless applications. These systems come in a wide variety of sizes. They may be self ...
13. Potholing for Local Repair
(News/Guidelines)
Vacuum excavation systems combine pressurized jetting and suction equipment to support a number of construction and trenchless applications. These systems come in a wide variety of sizes. They may be self ...
14. EM Systems
(News/Guidelines)
under construction ...
15. Why Trenchless? ('No-Dig')
(Uncategorised Content)
Trenchless Technology involves the installation, replacement or renewal of underground utilities with minimum excavation and surface disruption. Several construction techniques and methods qualify as trenchless. ...
16. The ISTT Team
(Uncategorised Content)
...  Jens Hoelterhoff - GSTT Professor Jens Hoelterhoff is Chairman of the GSTT and has twenty more than thirty years experience in underground pipe construction ...
17. Awards and Recognition
(Uncategorised Content)
...  Click here for more information on applying for an ISTT No-Dig Award. ISTT Affiliated Society Lifetime Service Award In the mid to late 80s, leaders in the trenchless construction community ...
18. 2012 ISTT No-Dig Award Winners
(Uncategorised Content)
... by pushing a cutting bit into the obstructions using low-speed boring. The enhanced capability of the Milling Mole method to tunnel through metal obstructions greatly simplifies the construction ...
19. Lifetime Service Award
(Uncategorised Content)
... membership in ISTT in the late 1980s, Mr. Drabek became familiar with the potential opportunities and benefits of trenchless. In 1990, Mr. Drabek formed AD Servis Terrabor – a trenchless construction company. ...
20. 2013 ISTT No-Dig Award Winners
(Uncategorised Content)
... of this project. The 3D system provided realtime data that allowed the operator to make deviation corrections during the pipe jacking increasing construction precision and efficiency. Accepting ...
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