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Johnson & Associates Utility Exploration

Precision underground utility location, exposure, and mapping that delivers survey-grade accuracy.

What we do

Advanced Locating Services for Commercial, Residential, and Industrial Clients

Private Utility Locates

No matter what size property or how complicated the job; we have the tools and the team with the knowledge to deliver accurate results.

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Potholing/Daylighting

Because safety is always our chief concern, we are exhaustive in our site evaluation before any work begins. We pride ourselves on taking great care of any site we inspect.

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Slot Trenching

When it’s time to install any type of in-ground utilities and structures, we can prepare the area using non-mechanical, non-destructive methods to ensure the area does not sustain unnecessary damage.

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Utility Mapping

Our in-house survey department works in conjunction with our utilities team to provide an unparalleled level of accuracy and detail.

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Hydro Excavation

In our commitment to protecting property and minimizing impact while achieving the greatest precision, we utilize hydro excavation procedures.

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Subsurface Utility Engineering (S.U.E)

Quality Level A (QL-A)

Physically exposes utilities using minimally intrusive excavation methods to determine precise horizontal and vertical coordinates, size, material, and condition. As the highest level of SUE accuracy, it is required for final design and conflict resolution to drastically reduce redesign risks, delays, and utility strike potential.
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Quality Level B (QL-B)

Identifies the approximate horizontal location of underground utilities using surface geophysical methods such as electromagnetic locating and ground-penetrating radar. Designated paths are then surveyed and added to design base maps to serve as the minimum acceptable data level for engineering design, though verified depth information is not provided.
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Quality Level C (QL-C)

Correlates existing records with a field survey of visible above-ground features, like manholes and hydrants, to approximate horizontal utility alignments. It offers greater reliability for early design phases, though it does not provide depth information or exact horizontal mapping in areas with sparse surface indicators.
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Quality Level D (QL-D)

Relies entirely on existing documentation like old maps, as-built drawings, and verbal recollections to provide a general understanding of the utility environment. It is typically used for conceptual planning and feasibility analysis to identify potential utility owners and congested zones.
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Our Clients Love Us

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“We were very happy with the team from JAUE. We definitely did not have an easy time finding the lines, but they did a fantastic job. They were very knowledgeable and did a great job keeping the impact of the potholing to a minimum. They cleaned up the site and left it as good as it was when they showed up. Thank you again for sending them out. We will be sure to utilize them in the future.”

– Nolan Krampe, Project Engineer, Ashton Gray Construction Developers