Slab-on-grade : Type of foundation in which the lowest floor of the house is formed by a concrete slab that sits directly on the ground. The slab may be supported by independent footings or integral grade beams
Federal Emergency Management Agency FEMA, U.S. Department of Homeland Security DHS, Principles and Practices for the Design and Construction of Flood Resistant Building Utility Systems, Appendix B - Glossary of Terms, Washington, DC, USA 1999. www.fema.gov/pdf/fima/pbuffd_appendix_b.pdf, (ND/ Flood - Amer) {993}