View of Infeed Conveyor during Operation

Horner & Shifrin was responsible for the structural, electrical and mechanical engineering design that included the design of the conveyor foundations, the shredder building that houses an 8,000 HP electric motor on the second floor, as well as the associated electric utilities and hydraulic power packs necessary to operate the shredder and the conveyor line. Site/civil engineering involved optimizing traffic patterns to accommodate the heavy truck traffic necessary to support the delivery, storage and removal of scrap metal. Weigh stations, site drainage and site lighting were also part of the design package.

View of Mega Shredder from Control Room.

The Mega Shredder weighs over 700,000 pounds, and during operation exerts a dynamic load of 250,000 pounds in any direction. The design of the shredder foundation for dynamic loads was a critical concern. A massive 550-cubic-yard concrete foundation was used to reduce maximum deflections.

Our team merged the best technologies from multiple manufacturers rather than providing the project turn-key from one manufacturing team. This approach provided improved quality and allowed the best use of our team’s capabilities.

This project was a fast-track design-build project. Design and construction was completed in 12 months. The foundations were being installed while final mechanical, electrical and control design were being coordinated and finalized.

"2006 Engineering Excellence Grand Award" American Council of Engineering Companies of Missouri, 2006

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