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(5) <br />Building and floor elevations. The minimum elevation for the <br />underside of the building support structure (excluding <br />foundation) shall be above the elevation of the design <br />breaking wave crests of wave uprush superimposed on the storm <br />surge with dynamic wave setup shall be the elevation <br />established by the base flood elevation for the specific area <br />as established by the Federal Management Agency. <br />(6) Erosion and design grade. The elevation of the soil surface <br />to be used in the design of foundations, calculation of pile <br />reactions, and bearing capacities shall not be greater than <br />that which would result from the erosion reasonably <br />anticipated as a result of design storm conditions. <br />Calculation of the design grade shall take into account <br />localized scour due to the presence of structural components. <br />Erosion computations for foundation design shall consider all <br />vertical and all lateral erosion and scour -producing forces. <br />(7) Wave force design: <br />(a) Calculations for wave forces resulting from design storm <br />conditions on building foundations and superstructures <br />may be—based upon—he m nimum—cr-i-terMia and methods <br />prescribed in the Naval Facilities Engineering Command <br />Design Manual, FAVFAC DM -26, U.S. Department of Navy; <br />S o�Protion Manual, U.S—.Department o�f the Army <br />Corps of Engineers; U.S. Department of Army Coastal <br />Engineering Research Center Technical Papers and Reports; <br />the Technical and Design Memoranda of the Division of <br />Beaches and Shores, Florida Department of Natural <br />Resources; or other professionally recognized <br />methodologies which produce equivalent design criteria. <br />(b) Breaking, broken and nonbreaking waves shall be <br />considered as they may be applicable. Design wave <br />loading analysis shall consider vertical uplift pressures <br />and all lateral pressures to include impact as well as <br />dynamic loading and the harmonic intensification <br />resulting from repetitive waves. <br />(8) Hydrostatic loads. Calculations for hydrostatic loads shall <br />consider the maximum water pressure resulting from a fully <br />peaked, breaking wave superimposed upon the design storm surge <br />with dynamic wave setup. Both free and hydrostatic loads <br />shall be considered. Hydrostatic loads which are confined <br />shall be determined using the maximum elevation to which the <br />confined water would freely rise if unconfined. Vertical <br />hydrostatic loads shall be considered both vertically downward <br />and upward on horizontal or inclined surfaces of major <br />structures (e.g., floors, slabs, roofs, walls). Lateral <br />hydrostatic loads shall be considered as forces acting <br />horizontally above and below grade on vertical or inclined <br />SmeadSoft Reprint Date: Tuesday, August 20, 2013 - 12:05:37 - OfficialDocuments:611, Attachment Id 0, Page 9 <br />