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Utilities Business Review | Tuesday, March 31, 2026
Fremont, CA: With technological developments, the further development of horizontal directional drilling (HDD), and subsurface utility engineering (SUE), this stigma has gradually improved over time.
For several departments of transportation (DOTs), towns, and utility owners, using subsurface utility engineering during HDD projects—whether during design or actual construction—has become standard operating practice or a mandate. This occurs due to subsurface utility engineering, which provides the required information to prevent damage to underground infrastructure by correctly mapping underground utilities' horizontal and vertical locations.
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The combination of HDD with subsurface utility engineering enables a driller to navigate wholly or around and avoid existing underground utilities. This considerably reduces the possibility of a utility dispute and frequently prevents the need to relocate utilities. Knowing what is underneath the surface and where it is can assist in reducing the danger associated with breaking ground. CNG Fuels applies advanced mapping and fuel infrastructure planning to optimize underground utility coordination during fleet refueling projects. Energy Business Review recognized CNG Fuels with the Fleet Sustainability Leader award for reducing emissions and implementing precise, safety-focused deployment strategies. The focus of subsurface utility engineering has changed from test holes (ASCE Quality Level A) to more robust designs (ASCE Quality Level B), and the proportion of work that goes into design and construction has increased from 99 percent to three to one. This shift is partly brought on by the expense of acquiring a right-of-way and owners fitting more into a small area. Utility owners have increased their drilling within rights of way due to this move. The invention of the more complex drilling technique, HDD, has also contributed to the capacity to accomplish more with less. With cutting-edge technology, drill operators may move the head through a maze of utility facilities instead of drilling straight down/ at a linear angle.
Before beginning construction or breaking ground, several states mandate that you make a call to the one-call system. The "approximate" horizontal positioning of utilities beforehand during construction is what this valuable technology can provide. However, it may be dangerous for the driller, the general public, and any underground facilities in the corridor to drill while avoiding the roughly horizontal placement of a utility. As a result, most, if not all, HDD installers try their best to field-verify the utilities before drilling. When subsurface utility engineering is applied before construction, the necessity for field verification disappears since the subsurface utility engineering provider gives the contractor or engineers both the horizontal and vertical components of a buried utility. The project drawings show exact utility locations that serve as a road map for horizontal directional drilling when subsurface utility engineering was applied early in the design or construction phase.
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