Depth Estimation & Utility Mapping in British Columbia
Marks on the ground fade. Depth estimation and mapping capture what a locate found as durable data — line routes, estimated depths and an as-located map — so the information informs design, the dig, and the asset record long after the paint washes away.
Leaks.ca is the educational leak detection hub and service-support division of Leak.ca, helping BC property owners understand leak risks and connect with professional detection services when needed.
Depth estimation uses the located signal to estimate how deep a line sits; utility mapping records the located network — routes, depths and features — into a drawing or GIS layer. Together they produce a reusable record of the subsurface, the basis of a quality-level utility survey.
- Estimate depth from the located signal at each point
- Record line routes and features as they're located
- Compile an as-located map or GIS layer
- Note confidence and quality levels for each line
- Estimated depth of located lines
- Mapped routes of the network
- Conflicts and crossings between services
Projects that need a durable record of the subsurface, not just temporary marks.
Engineers, surveyors and project managers use mapped locates and depths to design around conflicts and to keep an accurate as-built of the site.
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Depth Estimation & Utility Mapping — FAQ
EM depth is an estimate derived from the located signal and is affected by the line, nearby conductors and ground conditions. It's reliable for planning but is verified by careful potholing where exact depth is critical — which is why quality levels are noted on a survey.
Depth Estimation & Utility Mapping Across BC
More EM + GPR Methods
Need depth estimation & utility mapping in BC?
From a single locate to a full subsurface survey, BC property owners and contractors can reach professional locating through Leak.ca. Leaks.ca is the educational division — for booking and on-site detection across British Columbia, our service partner Leak.ca handles professional assessments.
Educational hub & service-support division of Leak.ca · Serving all of British Columbia · Since 1999