(A) The standards listed in §§ 153.081(B)(5) to (B)(10) apply to all conditional uses.
(B) Residential basements, as defined by § 153.007, are not allowed below the regulatory flood protection elevation.
(C) All areas of nonresidential structures, including basements, to be placed below the regulatory flood protection elevation must be structurally dry floodproofed, meeting the FP-1 or FP-2 floodproofing classification in the State Building Code, which requires making the structure watertight with the walls substantially impermeable to the passage of water and with structural components capable of resisting hydrostatic and hydrodynamic loads and the effects of buoyancy.
(D) The placement of more than 1,000 cubic yards of fill or other similar material on a parcel, other than for the purpose of elevating a structure to the regulatory flood protection elevation, must comply with an approved erosion/sedimentation control plan.
(1) The plan must clearly specify methods to be used to stabilize the fill on site for a flood event at a minimum of the regional (1% chance) flood event.
(2) The plan must be prepared and certified by a registered professional engineer or other qualified individual acceptable to the city.
(3) The plan may incorporate alternative procedures for removal of the material from the floodplain if adequate flood warning time exists.
(E) Storage of materials and equipment below the regulatory flood protection elevation must comply with an approved emergency plan providing for removal of such materials within the time available after a flood warning.
(Ord. 2017-03, passed 7-24-2017)