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2. Basements, as defined by Section 10-020(h)(2) 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 1O-050(d)(3) of this Ordinance. 3. 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 structurally 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 buoyancy. Structures flood-proofed to the FP-3 or FP-4 classification shall not be permitted. 4. When at anyone 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 a 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 lOO-year or regional flood event. The professional plan must be prepared and certified by a registered professional engineer or other qualified individual acceptable to the Governing Body. The plan my incorporate alternative procedures for removal of the material from the flood plain if adequate flood warning time exists. 5. 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 after a flood warning and in accordance with a plan approved by the Governing Body. 6. The provisions of Section 10-050 of this Ordinance shall also apply. 10