The company Cihak - Studny offers:
-earthwork, site excavation, drilling
-deep/drilled/bored wells-well drilling/boring and construction of wells
-foundation engineering-pile foundation
-big-holes, diameter 620-1550 mm from the class 1/quicksand, running sand, gravel sand/up to the class 3-4, executed by drilling unit CALWELD ADL 1000
-new ...