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

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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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Mining Dragline Collapse

Mining Dragline Collapse

Haag Engineers were asked to determine the cause of failure that led to overturning of a dragline and partial collapse into the mining pit

Haag Consultants were asked to evaluate the sequence of events and conditions that led to overturning of a dragline used to remove stone blasted from the face of the mine pit.  Analysis included consideration of site conditions, the effects of previous blasting, excavation procedures, and the involved equipment.

Associated Consultant / Engineer:

David L. Teasdale, P.E.

David L. Teasdale, P.E.
Vice President of Engineering, Principal Engineer
Primary Areas of Consulting Structural EvaluationsCommercial, residential and industrial buildingsTowers, cranes, outriggersMaterial p...

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