Nail drilling at 30 ml with odex tubes
EGT 3200 drill with automatic bar loader
and PR 270 drill mounted on excavator .
Slightly raised drill trajectory with Ø 200 odex
over 30 ml to reach the bottom of an observation well
in drainage tunnel Ø 1000 and 10 ml depth
– Cliff at Biarritz (64)
Mast of excavator-mountedl
hydraulic dril.
Excavation and installation of downward-inclined concrete
blocks after berlinese wall,
gunite spraying, anchor drilling and levelling out again
Specialized foundations, deep foundations and ground improvement
Micropiles, injections, underpinning works, reinforcement works and strengthening of foundations