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i y r (2) That the enclosed area will be designed of flood resistant materials in accordance with the FP-3 or FP-4 classifications in the State Building Code and shall be used solely for building access, parking of vehicles or storage. 5.42 Basements, as defined by Section 2.81Z of this Ordinance, shall be subject to the following: (a) Residential basement construction shall not be allowed below the Regulatory Flood Protection Elevation. (b) Non-residential basements may be allowed below the Regulatory Flood Protection Elevation provided the basement is structurally dry flood proofed in accordance with Section 5.43 of this Ordinance. 5.43 All areas of non residential structures including basements to be placed below the Regulatory Flood Protection Elevation shall be flood proofed in accordance with the structural'ly dry flood proofing classifications in the State Building Code. Structurally dry flood proofing must meet the FP-1 or FP-2 flood proofing classification in the State Building Code and this shall require making the structure watertight with the walls substantially impermeable to the passage of water and with structural components having the capability of resisting hydrostatic and hydrodynamic loads and the effects of bouyancy. Structures flood proofed to the FP-3 or FP-4 classification shall not be permitted. 5.44 When at any one time more than 1,000 cubic yards of fill or other similar material is located on a parcel for such activities as on-site storage, landscaping, sand and gravel operations, landfills, roads, dredge spoil disposal or construction of flood control works, an erosion/sedimentation control plan must be submitted unless the community is enforcing a state approved shoreland management ordinance. In the absence of a state approved shoreland ordinance, the plan must clearly specify methods to be used to stabilize the fill on site for a flood event at a minimum of the 100-year or regional flood event. The plan must be prepared and certified by a registered professional engineer or other qualified individual acceptable to the Governing Body. The plan may incorporate alternative procedures for removal of the material from the flood plain if adequate flood`warning time exists. 5.45 Storage of Materials and Equipment: (a) The storage or processing of materials that are, in time of flooding, flammable, explosive, or potentially injurious to human, animal, or plant life is prohibited. (b) Storage of other materials or equipment may be allowed if readily removable from the area within the time available 11