Brent Anderson, PE, is the President of BDA Associates, LLC, and a consultant with Structural Technologies. He specializes in concrete and foundation repairs, dam seals, electro osmotic pulse technology, water control systems for building foundations, tunnels, shafts, chemical and water tanks, sulfur pits for refineries, and chemical grouting in power plants. Specialized work also consists of geotechnical grouting using soil solidification and stabilizing techniques. He also writes articles on specialized waterproofing techniques in the industrial complex. Brent is an active ACI member and works with the Concrete Foundation Association (CFA) as a residential foundation engineer. He holds B.S. and M.S. degrees in Civil Engineering from the University of Minnesota. Brent is a popular World of Concrete seminar speaker.