The International Society for Trenchless Technology

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1. Advance Rate
Speed of advance of a pipe jack or other trenchless installation through the ground, generally expressed as either millimetres per minute or metres per day. ...
2. Intersect Method
... measure its position relative to the electromagnetic signal. The rig with the magnetic source tool advances toward the other rig until it intersects the bore and continues through the bore to the other ...
3. Pipe Jacking & Microtunneling
... the jacking frame and the MTBM or previously jacked pipe.  Slurry lines and power and control cable connections are made, and the pipe and MTBM are advanced another drive stroke.  This process ...
... fluids (returns) is dug at the point of entry and at the planned exit point. The drill string, comprised of a series of drill rods, is advanced by a combination of rotation and thrust supplied by the rig. ...
5. Pipe Reaming
... through the existing pipe to a recovery pit or manhole where they extracted, separated and disposed. The new replacement pipe attached to the reaming tool is pulled in as the reamer advances.  ...
6. Auger Boring
... chain where the soil is removed by hand or machine. The auger boring machine advances along a track, which is aligned to drive the casing pipe on the designed installation line. Once the machine reaches ...
7. Spiral Wound Lining PE or PVC
... located on spools above ground are fed to a winding machine. The winding machine rotates causing the edges of the profile strips to interlock forming a water-tight liner. The rotational action advances ...
8. Gold Medal History
... 1985” and the subsequent effort the led to formation of ISTT as a society dedicated to the advance of trenchless for the public benefit. He remains active in Society matters as a member of the ISTT Guarantors. ...
9. Pilot Tube
... the orientation of the slant-faced head of the pilot tube. The pilot tube is advanced by applying a jacking force on the tubes. The pilot tube method was initially used to install small diameter pipes ...
10. Impact Moling
... head creates a bore hole. The long body length of the mole helps the mole hold line and level as it advance through the bore hole. Marking on the air hose allows the operator to track the mole’s location ...
11. CCTV
...  More advanced CCTV systems have pan and tilt cameras that allow closer inspection of defects and lateral connections;  fish-eye lenses, which provide full 180 degree view of the pipe walls; laser ...
12. ISTT
(News/News head home)
Why Dig? When there's a better way   The objective of the ISTT is to "Advance the science, practice and application of trenchless technology for the public benefit, worldwide"  ...
13. What is ISTT
(Uncategorised Content)
The International Society for Trenchless Technology (ISTT) was established in September 1986 as a United Kingdom private limited company with the object “to advance the science and practice of trenchless ...
14. No-Dig Award
(Uncategorised Content)
... recognise the achievements of corporate or individual members, as judged by their peer group. Since 1986 entries have been invited for the annual NO-DIG Award for the most notable advance or achievement ...
15. The ISTT Team
(Uncategorised Content)
... their advancement. He serves and has served as a keynote speaker and lectures at international events. . Jari Kaukonen - Vice Chairman -FiSTT ...
... to attend the Conference. Criteria for selection of Awards are as follows: Does the entry make a contribution to the advancement of trenchless technology world-wide? Does the entry contribute to ...
17. Awards and Recognition
(Uncategorised Content)
...  Some Affiliated Societies now have, or have recently had, key figures retire -- individuals, who were instrumental in the formation of their society and in the promotion and advancement of trenchless ...
18. Lifetime Service Award
(Uncategorised Content)
... and advancement of trenchless technologies in the region. Mr. Drabek’s list of accomplishments in the field of trenchless technology in the Czech Republic is impressive. Through his ...
19. 2011 ISTT No-Dig Award Winners
(Uncategorised Content)
... an outstanding reputation and has contributed to the advancement of trenchless practices in China. In 2010, the course received awards for academic achievement from the Chinese Ministry of Education ...
20. Past Winners
(Uncategorised Content)
... in length. The achievement has resulted in a “step change” in the advancement of spirally wound trenchless technology and was awarded the 2009 Trenchless Project of the Year by the Australasia Society ...
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