The International Society for Trenchless Technology
1987
- Winner: Sanwa Kizai Co Ltd
- Commended: Gas Research Institute; Maurer Engineering & Allied Steel Tractor Prods
- Commended: Subterra
| Category | Name or Company | Country | Reason for Award |
| Winner | Sanwa Kizai Co Ltd | Japan | For the Enviliner Microtunnelling Machine |
| Commended | Gas Research Institute; Maurer Engineering & Allied Steel Tractor Prods | USA | For the Guided Horizontal Piercing Tool |
| Commended | Subterra | UK | For the Rolldown Pipe Insertion System |
Search for Trenchless Events
Thematic words
trenchless technology involves installation replacement renewal underground utilities minimum excavation surface disruption several construction techniques methods details technologies successfully water sewer industrial pipelines electrical conduit fiber optics particularly attractive option urbanized heavy pedestrian traffic numerous existing crossing roadways other transportation corridors rivers waterways install rehab replace located environmentally sensitive areas
by pavoneggi