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The
Nondestructive Experts
Unparalleled experience in nondestructive evaluation engineering and geophysical surveys.
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Infrastructure
Assessment Specialists
Pioneers in the development and application of unique nondestructive evaluation technologies since 1985.

Specialized Services

Site Characterization

Geophysical service capabilities that cover a broad range of client needs. We are committed to solving complex geologic problems by creating field programs that are objective-driven and budget conscious.

Bridge Deck Inspections

The Olson Sonic Surface Scanner (S3) is the most technically advanced system for structural condition assessment to date. No other system on the market tests for both top and bottom concrete deck delaminations, while performing over 20,000 Impact Echo (IE) tests in 1 hour.

Forensic Engineering

In our role as NDT experts, we have participated in numerous failure and damage investigations during the course of our 35+ years of expertise; whatever the concern, we are able to provide ligation consulting and expert witnesses in support of our clients’ needs.

Subsurface Detection

Geophysical service capabilities that cover a broad range of client needs. We are committed to solving complex geologic problems by creating field programs that are objective-driven and budget conscious.

Repair Design

Olson Engineering works closely with clients to develop safe and cost-effective approaches for repair and rehabilitation of structures and infrastructure to meet the safety, performance, and budgetary needs of our clients.

Quality Assurance

We provide certified visual assessment of structures and we use NDT&E methods to diagnose hidden structural conditions, to monitor the effects of vibration on structures, and to monitor the health and performance of structures over time.

Applications

What we test.

Bridges

Roads, Runways, and Slabs

Buildings and Structures

Dams and Waterways

Tunnels, Pipes, and Culverts

Unknown Foundations

Subsurface Conditions

Methods

How we test.

Structural, Pavement, and Tunnel Methods

Foundation Depth and Integrity Methods

Geophysical
Methods

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We have been calling Dennis [Sack] at Olson for years whenever we have any questions about nondestructive testing and evaluation, because we know he will help us determine the best path forward for our clients – even if it does not involve services they provide! When we do need their services, for evaluating tunnel linings or bridge foundations, the work is done quickly and effectively.

Margaret A. (Peggy) Ganse, P.E., P.G.
Shannon & Wilson
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We have been calling Dennis [Sack] at Olson for years whenever we have any questions about nondestructive testing and evaluation, because we know he will help us determine the best path forward for our clients – even if it does not involve services they provide! When we do need their services, for evaluating tunnel linings or bridge foundations, the work is done quickly and effectively.

Margaret A. (Peggy) Ganse, P.E., P.G.
Shannon & Wilson
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