Haag's Accredited Testing Lab is Open, Accepting Assignments Now

Haag's Lab and Offices Relocated. Our expanded Lab is open now!

Haag Engineers Establish Scholarship for Engineering Students

Haag Engineers Terry Taylor and Stoney Kirkpatrick established the "John C. Westkaemper Scholarship in Aero...

Haag Welcomes David Ey, P.E., new Civil Engineer in Chicago!

Haag Welcomes David Ey, P.E., new Civil Engineer in Chicago!

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Featured Projects

Categories: Commercial, Mechanical
Miller Park Crane Collapse

Miller Park Crane Collapse

Haag Engineer Jim Wiethorn discusses the investigation of a crane failure during construction of Miller Park.

Haag Engineer Jim Wiethorn discusses the investigation of a crane failure during construction of Miller Park.

Associated Consultant / Engineer:

Jim D. Wiethorn, P.E.

Jim D. Wiethorn, P.E.
Principal Engineer
Primary Areas of Consulting Crane Accident AnalysisCrane lift duties and responsibilitiesRigging failuresAccident reconstructionWind a...

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