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(2) All new construction or substantial improvements shall be constructed by methods and <br />practices that minimize flood damage; <br />(3) All new construction or substantial improvements shall be constructed with materials <br />resistant to flood damage; <br />(4) All new construction or substantial improvements shall be constructed with electrical, <br />heating, ventilation, plumbing, and air conditioning equipment and other service facilities that <br />are designed and/or located so as to prevent water from entering or accumulating within the <br />components during conditions of flooding; <br />(5) All new and replacement water supply systems shall be designed to minimize or <br />eliminate infiltration of flood waters into the system; <br />(6) New and replacement sanitary sewage systems shall be designed to minimize or <br />eliminate infiltration of flood waters into the system and discharge from the systems into flood <br />waters; and, <br />(7) On-site waste disposal systems shall be located to avoid impairment to them or <br />contamination from them during flooding. <br />Sec. 94-87. Specific standards. <br />In all areas of special flood hazards where base flood elevation data has been provided as <br />set forth in (i) Article 3, Section B, (ii) Article 4, Section B (8), or (iii) Article 5, Section C (3), <br />the following provisions are required: <br />(1) Residential Construction - new construction and substantial improvement of any <br />residential structure shall have the lowest floor (including basement), elevated one above the <br />base flood elevation. A registered professional engineer, architect, or land surveyor shall submit <br />a certification to the Floodplain Administrator that the standard of this subsection as proposed in <br />Article 4, Section C (1) a., is satisfied. <br />(2) Nonresidential Construction - new construction and substantial improvements of any <br />commercial, industrial or other nonresidential structure shall either have the lowest floor <br />(including basement) elevated to or above the base flood level or together with attendant utility <br />and sanitary facilities, be designed so that below the base flood level the structure is watertight <br />with walls substantially impermeable to the passage of water and with structural components <br />having the capability of resisting hydrostatic and hydrodynamic loads and effects of buoyancy. <br />A registered professional engineer or architect shall develop and/or review structural design, <br />specifications, and plans for the construction, and shall certify that the design and methods of <br />construction are in accordance with accepted standards of practice as outlined in this subsection. <br />A record of such certification which includes the specific elevation (in relation to mean sea <br />14 <br />