![](/assets/images/picto-drapeau-france-3a76576a5d60a512053b4612ab58dae5.png)
6. Conclusion
The box below summarizes the microtunnel technique.
Uses :
sanitation ;
wastewater ;
rainwater ;
drinking water ;
ducts for various fluids.
Current length of a section :
DN < 800 mm, from 30 to 100 m ;
DN > 800 mm, from 30 to 200 m.
Ancillary works :
working shaft with or without reaction bed, maximum depth 20 m ;
wells transformed into manholes.
Guidance :
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Conclusion
Bibliography
Organizations
AFTES Association française des travaux en Souterrains
FSTT Comité français des travaux sans tranchées
Suppliers (non-exhaustive list)
Akkerman http://akkerman.com
Decon Soltau USA http://[email protected]
Herrenknecht http://[email protected]
Iseki http://[email protected]
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