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Subcontractor of the Year - 2011  

 ArcelorMittal: H-3 Blast Furnace Slag Pit
 Sheet Piling Installation
 East Chicago, Indiana
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Careful coordination was key to performing this project in an operating facility.
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Thatcher Foundations Inc. installed 530 wall feet of JZ 120 steel sheet piling for the H-3 Slag Pit walls on a cost-plus contract.

The project was fast tracked, with Thatcher's crew working six ten-hour shifts each week. The soil profile was cemented slag and steel slag, which was excavated and backfilled by others. Careful coordination with ArcelorMittal was key to keeping everyone on schedule.

Thatcher completed the project ahead of schedule, and under budget on a cost-plus basis. Thatcher worked with the ArcelorMittal engineers during project development, consulting about the types of steel sheet piling that would be best suited to the extreme heat and corrosion caused by the molten slag and quenching operation. Thatcher also worked with its steel supplier to find an appropriate type of sheeting which would be available to meet the accelerated schedule. When the project was postponed after materials had been delivered, Thatcher made room in its yard for the 306 tons of material, and stored it until the project began six months later.

Thatcher maintains an "A" rating in ArcelorMittal's safety system with ISNetworld, so with the addition of a site-specific safety plan and a crew-wide plant safety orientation, Thatcher was able to mobilize quickly. More than 900 incident-free hours were worked by Thatcher employees on this project, including members of Local 578 Pile Drivers, Indiana Local 150 Operators and Indiana Local 142 Teamsters.






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