The Hydro-Demolition gantry is designed to carry out the removal of specific areas of the tunnel lining. It can be supplied with several configurations in order to fulfill the customer requirements.
It is equipped with:

- Specific structure to seal the hydro-dem around a specific area
 - Hydraulic system to adjust the seal structure
 - Hydro-dem pantograph
 - Provisions for water & debries collection
 - Provisions to allow the ventilation duct management
 - Central passage
 - Advancement drive units
 - Working platforms

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