Service 03

GPR investigation

Use a focused radar survey to investigate a defined subsurface question.

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Start here

When to call for this

Investigating a possible void or washout
Looking for an old foundation or buried structure
Reviewing a slab or pavement thickness change
Defining a focused subsurface question before excavation or design

Method

What we do on site

We define the target and requested area before collecting data. Survey spacing, antenna and processing are selected for that question.

Findings are reported as supported interpretations. If the site conditions or target are not suitable for GPR, we explain the limitation and discuss other options.

Deliverable

What you get

A survey matched to the agreed question and area
Surface reference marks when useful
A plain-language summary of supported findings and limitations
Processed data or a written report when included in the quote

The boundary

What this can’t tell you

Dry sand and gravel can be favorable for radar. Clay, salts, moisture, caliche layers, rocky fill, target depth and surface access can reduce clarity or create competing reflections.

GPR does not identify every response by material or purpose. Physical verification may still be required.

Contact

Tell us what needs to be located.

Send the address, work area, target, surface and planned work. We will confirm the appropriate scope.

Send project details Call 915-216-7360

GPR investigation

When to call for this

What we do on site

What you get

What this can’t tell you

Related field guides

What ground-penetrating radar can and can’t see, in plain terms

Quality Levels A through D, for engineers writing a scope

Tell us what needs to be located.