Fall Line Testing & Inspection, LLC (www.falllinetesting.com) is a national construction testing and inspection firm headquartered in Tucson, Arizona.

Founded in 2007, Fall Line is an affiliate of Paul C. Rizzo & Associates, Inc. (www.rizzoassoc.com), a leading global engineering and consulting firm located in Pittsburgh.

Fall Line specializes in developing Roller-Compacted Concrete (RCC) mix designs and conducting construction materials testing for dams and other major projects.

A relatively new material, RCC is a special blend of concrete that has the same strength, durability and ingredients as conventional concrete (cement, water and aggregates), but is much drier. Because it can be placed quickly and easily and the low cement content causes less heat to be generated while curing, RCC is considered ideal for dam construction, replacement and restoration.

Fall Line’s role is to develop the appropriate RCC “recipe” for a specific project – the appropriate mix of materials – and then to test the strength and stability and other quality control issues and inspections before, during and after construction.

Fall Line recently completed the Quality Assurance testing program for the Taum Sauk Upper Reservoir Rebuild Project located near Annapolis, Missouri. It is the largest RCC structure in North America. Approximately 3 million cubic yards of RCC and an additional 330,000 cubic yards of conventional concrete were tested by Fall Line at its on-site laboratory.

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12/08/2009 -- Fall Line Testing & Inspection, LLC Selects Tucson, Arizona for National Headquarters

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