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Utility Locating for Roadway and Highway Construction: Key Considerations

April 18, 2025 / Written by: Bess Utility Solutions

April 18, 2025
Written by: Bess Utility Solutions

Key Takeaways

  • Accurate utility locating prevents costly damage and service disruptions during construction.
  • Advanced technologies like GPR and electromagnetic detection enhance the precision of utility location.
  • Vacuum excavation potholing offers a non-destructive method to verify the exact location of underground utilities.
  • Collaborating with utility owners and following safety standards reduces risks and ensures project compliance.
  • Proper utility mapping and locating of both public and private utilities are essential for efficient construction planning.

Building roads and highways requires careful planning to avoid costly mistakes. One major challenge is locating underground utilities before excavation begins. Without precise utility locating services, projects face risks like service disruptions, property damage, and safety hazards.

At Bess Utility Solutions, we specialize in underground utility locating services, ensuring that construction projects run smoothly. Our expertise helps prevent unexpected delays, making excavation safer and more efficient.

10 Key Considerations for Utility Locating in Roadway Construction

1. Understanding Underground Infrastructure

In roadway and highway construction, understanding the existing underground infrastructure is crucial. Underground utilities, such as gas lines, water pipes, electrical cables, and sewer lines, often run through the construction zone. If these utilities are not located accurately, excavation activities can cause significant disruption, including utility damage or service outages. Utility locating services help identify the depth and exact location of these lines, allowing construction teams to plan their activities around them. 

Knowing the infrastructure in advance helps avoid accidents, delays, and unnecessary rerouting, ensuring the project proceeds smoothly and safely.

2. Using Advanced Technology for Accuracy

Accurate utility locating requires the latest technology. Ground Penetrating Radar (GPR) and electromagnetic detection are some of the most advanced tools used in underground utility locating. GPR, for instance, sends radar pulses into the ground to detect anomalies in the soil, which indicate the presence of utilities. 

Electromagnetic locators use signals to detect the location of metallic pipes, cables, and other infrastructure. By utilizing these state-of-the-art technologies, utility locators can provide a detailed, precise assessment of what lies beneath the surface, greatly reducing the risk of undetected utilities being struck during construction.

3. Hiring Professional Utility Locating Services

While some basic utility locating can be done with DIY tools, the expertise required to handle complex utility systems calls for professional services. A private utility locating service specializes in detecting and mapping all types of underground utilities, from public lines to private installations. Professional services use highly specialized equipment and methods to provide precise results. 

Hiring a professional utility locating service ensures that no utility is overlooked, and it saves time and money by preventing costly mistakes such as utility strikes and project delays. Their knowledge of industry best practices, local codes, and advanced locating technologies ensures accuracy and compliance.

4. Vacuum Excavation Potholing for Verification

Even the most advanced detection technologies cannot always guarantee 100% accuracy. This is where vacuum excavation or potholing comes into play. Vacuum excavation uses air or water to safely expose utilities without damaging them. It allows for the physical confirmation of the depth and location of underground utilities, especially those that are difficult to detect with conventional methods, like non-metallic pipes or cables. This technique provides a non-invasive method to verify utility placement and minimizes the risk of damaging infrastructure during construction. It’s especially useful for confirming the positions of utilities marked using electromagnetic or GPR methods.

5. Creating Accurate Utility Maps

One of the key benefits of utility locating is the creation of accurate utility maps. These maps are vital for construction teams to visualize where utilities are located and how they will impact excavation. Utility maps provide detailed information about the exact locations of underground infrastructure, including the depth, size, and type of each utility. 

Accurate mapping helps construction crews avoid utility strikes and plan their excavation activities accordingly. It can also help reduce future service disruptions and provide long-term benefits for maintenance teams who need to access these utilities in the future.

6. Identifying Private vs. Public Utilities                                         

Not all utilities are publicly owned or marked on government utility maps. Many private utilities, such as those found on private property or installed for specific businesses, are not recorded in public databases. Private utility locating services are essential for identifying these hidden utilities.    

This includes everything from water lines serving private properties to electrical and gas lines installed by business owners. Properly locating these private utilities is vital for ensuring safety and avoiding conflicts with landowners. Inaccurately identified private utilities could lead to major disruptions and legal issues if damaged during construction.

7. Complying with Safety Standards

Safety is always a top priority in construction projects, and utility locating plays a central role in maintaining it. Construction zones must follow strict safety standards to protect workers and the public. Utility locating helps prevent utility strikes, which can lead to hazardous situations such as explosions, electrical shocks, or flooding. 

Additionally, many locations have specific regulations regarding how utilities must be marked and excavated. Utility locating services ensure compliance with these regulations, preventing legal issues and fines while also providing peace of mind that safety measures are being followed.

8. Coordinating with Utility Owners

When planning a large-scale construction project, it is essential to coordinate with utility owners to avoid conflicts and ensure uninterrupted services. Utility owners may include local governments, utility companies, and private entities. Effective communication with these stakeholders is crucial for obtaining accurate utility maps and understanding any restrictions or guidelines on digging near specific lines. 

Utility locating services help manage these relationships by providing accurate data to all parties involved. Collaboration reduces the likelihood of delays and confusion, ensuring that the utility locating process is efficient and that utilities are properly marked.

9. Minimizing Project Costs with Precise Locating

Accurate utility locating can significantly reduce the overall cost of a construction project. When utilities are correctly identified and mapped before excavation, the construction team can plan their work more effectively. 

This reduces the likelihood of unexpected costs, such as the expense of relocating utilities or repairing damages caused by accidental strikes. Additionally, knowing the precise locations of utilities allows for more accurate excavation planning, minimizing disruptions and delays. By investing in accurate utility locating at the beginning of a project, construction teams can ensure that their budgets stay intact, avoiding unnecessary and costly setbacks.

10. Avoiding Damage to Non-Metallic Utilities

While traditional utility locating methods are effective at detecting metallic utilities like gas and water pipes, they can struggle with non-metallic utilities, such as fiber optic cables, PVC pipes, or plastic conduits. These utilities require specialized techniques for detection, including the use of electromagnetic induction or more advanced ground-penetrating radar systems. Non-metallic utilities are often harder to detect and can be vulnerable to damage if not properly located. It’s critical to have a utility locator service that can detect all types of underground utilities—metallic or non-metallic—to prevent unexpected damage during excavation. Ensuring all utilities are located and mapped correctly is essential to avoiding costly repairs and safety hazards.

Plan Ahead and Protect Your Project                                        

Every construction project depends on precise utility locating to prevent costly damage and delays. Bess Utility Solutions offers comprehensive services to help construction teams navigate underground infrastructure safely.

Our expert team is ready to assist with all your utility locating needs. Contact us today at (408) 988-0101 for reliable, accurate, and efficient utility locating solutions in California and Arizona!

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