As National Safe Digging Month approaches for North America-based construction workers and drill teams, infrastructure safety remains a serious concern.

Across the States and Canada, contractors have a dedicated "dial before you dig" hotline (811) they call before breaking ground to prevent damage to underground services and infrastructure. But safety extends far beyond a single phone call.

Advances in technology, equipment and data-driven insights are reshaping how contractors approach underground work, helping to reduce uncertainty and improve decision-making across the jobsite.

OEMs such as Subsite, for instance,  are designing advanced multi-frequency locating systems that allow crews to trace utilities across a wide range of signals, delivering both position and depth data with a high degree of confidence. For non-metallic infrastructure, including plastic water lines, complementary technologies such as beacons and ground-penetrating radar can help identify assets that traditional methods may miss.

At the same time, industry leaders stress that the absence of surface markings should not be interpreted as the absence of underground utilities. Instead, it should trigger additional verification. Maintaining locating equipment on-site and validating results has become a widely accepted best practice, particularly as underground environments grow more congested and complex.

Vacuum

Once utilities have been marked, the next step is to verify the position through soft excavation, often called potholing or daylighting. Exposing utilities before digging provides visual confirmation, one of the most trusted safeguards against accidental damage.

Modern underground construction equipment also reflects a growing focus on precision and damage prevention, not just productivity.

Vacuum excavation has become central to that effort. Using air or water to safely remove soil, these systems allow crews to expose underground utilities through soft digging techniques that significantly reduce the risk of strikes. As underground infrastructure becomes more congested, this level of control is no longer a luxury. It is a necessity.

Best practices now position vacuum excavation as a critical complement to utility locating. While locating identifies where utilities are expected to be, daylighting provides visual confirmation of their exact position and depth. Working together, these methods help crews verify conditions before excavation begins, reducing uncertainty and improving decision-making in the field.

Contractors are also adopting more consistent operating procedures, including maintaining proper distance from exposed utilities, controlling pressure levels, and using standardized excavation techniques. These steps help protect both the asset and the crew while ensuring accurate, reliable results.

Data

One of the most significant developments in underground construction is the rapid adoption of "connected equipment", shifting from reactive to data-driven operations.

These platforms can provide real-time visibility into machine location, performance, utilisation and maintenance status. That visibility goes beyond tracking, giving contractors a clearer understanding of how equipment is being used and where potential risks may be developing across jobsites.

From a safety and damage prevention standpoint, this insight is critical. Monitoring service intervals helps prevent unexpected equipment failures that could create hazardous conditions, while usage data can reveal patterns such as improper operation or excessive wear. Left unaddressed, these issues can increase the likelihood of incidents, including utility strikes.

Training

Historical performance data can help contractors match equipment to ground conditions, improve planning and optimize workflows. Across fleets, centralised data supports more consistent maintenance practices, stronger operator accountability and targeted training.

Well-trained crews, clear communication and a disciplined approach to established procedures form the foundation of a safe jobsite. Technology supports these strengths by giving operators better information, more visibility and more consistent tools. Together, they create a work environment where knowledge and innovation reinforce each other.

However, even with advanced equipment, good judgment in the field remains essential. When conditions change or uncertainty arises, it is the operator's experience and decision-making that guide safe and effective responses.

Leading manufacturers such as Ditch Witch and Subsite help contractors build that foundation through hands-on instruction, online learning and dealer-led programs that cover utility locating, equipment operation and damage prevention best practices. These programs show how technology and training complement each other, ensuring crews not only understand the latest tools, but also how to apply them with precision and confidence.

Balance

The most effective approach to safety comes from the balance of skilled contractors and advanced technology. Working together, they help contractors anticipate challenges, adapt to changing conditions and maintain control over complex projects where the margin for error continues to narrow.

National Safe Digging Month serves as an important annual reminder, but the responsibility extends far beyond April. Protecting crews, infrastructure and surrounding communities requires a consistent commitment to planning, verification, training and the use of modern tools on every jobsite.

As underground environments become more complex, contractors must rely on both experience and information to manage risk effectively. Technology helps close visibility gaps, but it is the combination of preparation and informed decision-making that ultimately drives safer outcomes.

In an industry defined by what lies beneath the surface, a more connected and disciplined approach to digging is no longer optional. It is essential.

*Chris Thompson, above, is the vacuum excavation product manager with trenching and drilling machine specialist Ditch Witch

 

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Dial before you dig

While a "dial before you dig" hotline is commonplace across North America, the concept has been adopted elsewhere. And although the UK largely relies on the client letting drilling contractors know the lay of the land, with underground services required to be shown before a FPS Certificate is provided, there is a dedicated "Search Before U Dig" (LSBUD) service.

LSBUD is a free to use service that contractors can use to check their works against over 150 utility assets. These assets include hundreds of thousands of kilometres of underground and overhead pipes and cables in the electricity, gas, high pressure fuel, water and fibre optic networks.

The service processes over 3.9 million enquiries per annum, although it does have some restrictions and not all utility providers contribute to the platform.

In Australia, contractors can call the Dial Before You Dig number (1100) or use www.1100.com.au. New Zealand excavators can notify utilities via BeforeUdig at 0800 248 344, and for jobsites in Ireland, contractors can use the Safe Dig Ireland number 1800 88 22 99. For the Netherlands, excavation notifications are made through KLIC APP and in France, the DT-DICT platform is available via local utility providers. Contacting these services ensures underground gas, electricity, water, and telecom lines are marked before digging, helping prevent accidents and costly damage.

Meanwhile, back in the UK, it is looking increasingly likely that utility owners will need to feed more data into the National Underground Asset Register (NUAR).

Next month, Parliament will debate a Bill mandating that geotechnical data be included in the register. Although the so-called Geotechnical Data Bill does not include a "dial before you dig" clause, if passed, the legislation would require all parties to provide NUAR with geotechnical and ground investigation data, including borehole records, soil and rock classifications, groundwater information, and subsurface geological conditions.

Mike Reader MP, who put forward the Bill, said the UK "should properly understand what lies beneath its feet."