Earthwork for laying of cables, piping and pipelines without excavation:
- earth push-broaching technology under roads,
railway lines and for crossing of water-courses
- push-broaching:
up to the diameter of 160mm
initial trench of 100x140cm
bottom (depth) ditch / pit of 15cm under the place of push-broaching
existing underground mains system surveying
- under ground drilling:
for very hard geological conditions and passing through rocks of the class 5
up to the diameter of 140mm
initial trench of 120x250cm
bottom (depth) ditch of 25cm under the place of drilling under ground
existing underground mains system surveying.