In fact, at this point in the development of the trenchless technology industry, some utility companies now presume that a trenchless technique will be utilized, as opposed to the open-cut techniques, when there is a no-dig alternative available (especially in roads).

Trenchless technology is a set of techniques for utility line installation, replacement, rehabilitation, renovation, repair, inspection, location and leak detection, with minimum excavation from the ground surface. As the industry has matured, various forms of trenchless boring and tunneling have developed. Some of the most common trenchless technologies include:

• Horizontal Auger Boring, or, “Jack and Bore.”
• Pipe Ramming.
• Horizontal Directional Drilling or “HDD”.
• Microtunneling.

Each of these trenchless technologies has its own applications and relative strengths and weaknesses. Soil type, project area sensitivity, space requirement, dig depth and bore path length may all determine which technology is best suited to a particular project. The detail and clarity of standard contract specifications for these relatively new technologies can vary from Owner to Owner. It is imperative that Contractors utilizing these technologies understand the applicable contract specifications and, in particular, the procedural requirements that must be followed in order to receive compensation when an issue with the specified technique arises. Consult a licensed attorney to review your contracts on road construction projects to ensure your work is properly compensated.