The International Society for Trenchless Technology

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1992

- Winner: Insituform Technologies Inc.
- Commended: British Gas (South Eastern)
- Commended: Tokyo Metropolitan Sewerage Board & Iseki Poly-tec Inc.


Category Name or Company CountryReason for Award
WinnerInsituform Technologies Inc.USAFor the Remote Inspection, Cleaning & Lining of Sewer Laterals
CommendedBritish Gas (South Eastern)UKFor a Technique for Live Insertion
CommendedTokyo Metropolitan Sewerage Board & Iseki Poly-tec Inc.JapanFor the Pipeline Renewal Shield Machine

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