Closure 11 : Shield made of strong material, such as metal or wood, used to temporarily close openings in levees, floodwalls, and dry floodproofed buildings
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}