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Insurance Professionals

Technical answers and forensic engineering solutions for insurance companies

We have the experience and the expertise to determine the cause, scope and value of minor damages to large losses.

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Expert witnesses, litigation support, and technical consultation for attorneys

We provide dependable, unbiased litigation support that's compelling in the courtroom.

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We have a national network of engineers with diverse expertise so you can rely on EDT for a wide range of engineering issues.

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Forensic Engineering

  • Cause Analysis
  • Damage Assessment
  • Residential Damages
  • Fires and Explosions
  • Industrial Losses

Litigation Support

  • Expert Witness
  • Report Preparation
  • Courtroom Animation
  • Graphics Capabilities
  • Documentation Review

Technical Consultation

  • Peer Design Review
  • Project Scheduling
  • Construction Assessment
  • Value and Estimation
  • Surety Consulting

Recent Blog Posts

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Apples in storage

Sleeping Apples

portrait photo of Kenneth

Kenneth R. Ridings, P.E.

Have you ever wondered how you can buy apples in the store in wintertime when you know apples ripen in the summer? How can that be? Well, shortly after they are picked in the summer months they are put to sleep. They hibernate until the grocery stores need them in other months of the year and they...

refrigeration unit

Refrigeration Simplified

portrait photo of David

David S. Williams, P.E., CFEI

I was relaxing with a friend discussing the week we had, and I mentioned my examination of a facility with a pretty sophisticated refrigeration system that had some issues. My friend said he didn’t know anything about refrigeration and did not want to know, but being a good friend, he listened...

The Bonneville Dam On the Columbia River

Hydroelectric Dams

portrait photo of David

David J. Shamrell, M.E., P.E., CFEI

A while back, I was lucky enough to drive the full length of the Columbia River Gorge on a crisp spring morning. For those of you not familiar with this iconic geographical area, it is beyond bucket list worthy. Cut into the Cascade Mountains by the Columbia River and located just east of Portland...

Home Renovation Room with exposed beams and sheet rock

Residential Renovation: Design & Construction Defects

portrait photo of Jeffrey

Jeffrey W. Pitzer, P.E.

EDT was assigned to determine the cause of damages to a single-story residence. The residence, constructed in the 1950’s, was renovated in 2015. The work consisted of a complete teardown of the structure and cladding. The replacement structure was constructed on the existing timber floor beams and...