Author: Claude Goguen, P.E.

Not all rebar is created equally.

Round manholes are the most widely used maintenance utility structures to provide access to buried pipelines for inspection and cleanout.

Fly Ash – A Hazardous Material? By now, you have probably heard of the controversy brewing about the U.S. Environmental Protection Agency’s (EPA) reclassification of fly ash, a coal combustion byproduct, that would make it a hazardous material. So, why does this matter and what are the facts?

Forces are at Work Beneath the Feet that Must be Reckoned With Before Designing an Underground Structure