Veröffentlicht am in "Business, Business", Sprache — English. 8 Seiten.
Horizontal directional drilling (HDD), commonly called directional boring, is a steerable trenchless method of installing underground pipes, conduits and cables in a shallow arc along a prescribed bore path by using a surface-launched drilling rig, with minimal impact on the surrounding area. Directional boring is used when trenching or excavating is not practical. It is suitable for a variety of soil conditions and jobs including road, landscape and river crossings. Mehr anzeigen
