Gessner Engineering provided geotechnical engineering, construction materials testing and inspection services for the new elementary school and parking areas totaling approximately 85,200 square feet. For geotechnical engineering, subsurface conditions were evaluated by drilling eight test bore holes to a depth of 30 feet within the limits of the proposed elementary school building and five test bore holes to a depth of 5 feet within the limits of the proposed pavement area. Due to the very high expansion potential of the soils found at this site, the primary recommendation of Gessner Engineering was for the building to be supported on a structural slab. With the need to reduce cost, Gessner Engineering concluded that the foundation may be constructed as a slab-on-grade supported with piers, given the owner and design team understood that differential movement will occur. Construction materials testing services consisted of concrete and density tests as well as bolt and weld inspections. A compaction test report, pier data report, concrete test report and in-place nuclear density test report was provided to the client. Gessner Engineering was on site to observe the northeast area subgrade proof roll for this project. The school will open for the 2011 - 2012 school year.

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