Directional boring, also referred to as horizontal directional drilling (hdd), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.
How Directional Boring Works?
Directional boring is a method of installing underground pipes, conduits, and cables in a shallow arc without disturbing the surface above. The process is also known as horizontal directional drilling (HDD). Directional boring has been around for decades, but it has become increasingly popular in recent years due to its cost-effectiveness and versatility.
Directional boring works by first drilling a small pilot hole in the ground. This pilot hole is then used to guide a larger drill bit along the desired path. The drill bit is attached to a long drill string which is manipulated by the operator to control the direction and depth of the bore. As the drill bit moves along the path, it creates a borehole that has a larger diameter than the original pilot hole. The diameter of the borehole will depend on the size of the pipe, conduit, or cable that needs to be installed.
Once the borehole has been created, the pipe or conduit can be installed. The installation process is relatively straightforward and consists of pulling the pipe or conduit through the borehole. Specialized equipment is used to pull the pipe or conduit through the borehole, ensuring that it is installed correctly and at the desired depth.
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