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The ASCE Dallas Branch Geotech Technical Committee Presents:
CU Structural Soil is a composition of soil and limestone aggregate developed by Cornell University that satisfies two very important requirements that must be satisfied when planting trees in a hardscape environment.
First, it satisfies the Engineer’s structural need by supporting the sidewalk by using a compacted composition of ¾“ to 1½” crushed angular stone that is coated with a sandy loam soil.
Second, it satisfies the needs of the root system by allowing for a much higher degree of air and water flow throughout the soil providing a much higher level of nutrients and moisture to the roots.
CU STRUCTURAL SOIL RESOLVES THREE VERY LARGE PROBLEMS:
1.Sidewalk Injury Claims: In 2004 & 2005 New York city paid out a total of $120 Million in sidewalk injury claims caused by root system upheaval.
2.Replanting Trees: Trees planted in a traditional treepit live7 to 10 years and then need to be replanted. Planted in CU SoilÔ, trees live70 to 90 years.
3.Replacing Sidewalks: Vertically growing root systems cause upheaval, destroying sidewalks by the $ millions of dollars each year.
Rod Nickel is a graduate of the University of Arkansas where he was the President of the Delta Sigma Pi Professional Business Fraternity. His professional career was spent as an Account Executive with such notable companies as Proctor & Gamble, and Merrill Lynch Pierce Fenner & Smith. He currently is Vice President of Sales for Minick Materials, an Oklahoma based international building stone wholesaler.
Rod spends his leisure time flying airplanes and scuba diving. In the military he was the Officer-in-Charge of a military diving team in southeast Asia and was awarded the Bronze Star medal while serving in Vietnam.
CU Structural Soil is a composition of soil and limestone aggregate developed by Cornell University that satisfies two very important requirements that must be satisfied when planting trees in a hardscape environment. 
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