Underground works
BESSAC is a specialist in tunnel and microtunnel works. With a wealth of experience and highly developed expertise, it is now present on five continents. This international activity represents the majority of our annual turnover.
In this section
Areas of Operation

Water & Sewerage

Subways

Technical Galleries

Oil & Gaz Energy

Maritime Works

Expertise and skills
BESSAC has extensive experience in managing complex design-build projects. To date, we have references in over 35 countries.
Our expertise includes:
– An integrated design office.
– An industrial department and a manufacturing plant supporting our construction sites.
Skills:
– Mastery of all mechanized excavation techniques: directional drilling, MicroTBM, slurry TBM, EPB TBM, compressed-air TBM, variable density TBM, hard rock TBM.
– Shafts construction & civil engineering works.
– Concept and multi-trade project management.
– International capabilities.
– Precast segments and jacking pipes.

Key figures

Specialists

of MicroTBM carried out
in the last 10 years

TBMs and MicroTBMs

of TBM carried out
in the last 10 years

You have a project?
Vous avez un projet ?
Une question ?
Votre interlocuteur :
Pascal MOLINER
+ 33 5 61 37 63 63
commercial@bessac.com
