|Definition||:||Horizontal Directional Drilling|
|Category||:||Academic & Science » Architecture & Constructions|
What does HDD mean?
Directional boring, commonly called horizontal directional drilling or HDD, 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.
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||HDD||Hard Disk Drive|