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. e Ordinance No. 1104 , Page 8. . (e) Variances may be issued for the reconstruction, rehabilitation or restoration of structures listed on the National Register of Historic Places or the State Inventory of Historic Places, without regard to, the procedures set forth in the remainder of this section. (f) Generally, variances may be issued for new construc- tion and substantial improvements to be erected on a lot of one-half acre or less in size contiguous to and sur- rounded by lots with existing structures constructed below the base flood level, providing the relevant'factors in Section 10~-14(b) have been fully considered. As the lot size increases beyond the one-half acre, the technical justification required for issuing the variance increases. (g) Upon consideration of the factors noted above and the intent of this chapter, the Planning and Zoning Com- mission may attach such conditions to the granting of variances as it deems necessary to further the purpose and objectives of this chapter. - (h) Variances shall not be issued within any designated floodway if any increase in flood levels during the base flood discharge would result. (i) Prerequisites for granting variances: (1) Variances shall only be issued upon a determination that the variance is the minimum necessary, considering the flood hazard, to afford relief. (2) Variances shall only be issued upon (iJ. a showing of good and sufficient cause, (ii) a determination that failure to grant th~ variance would result in exceptional hardship to th~ applicant, and ,(iii) a determination that the granting of a variance will not result in increased flood heights, additional threats to public safety, extraordinary public expense, create nuisances, cause fraud on or victimization of the public, or conflict with existing local laws or ordinances. e (3) Any applicant to whom a variance is granted shall be given written notice that the structure will be per- mitted to be built with a lowest habitable floor eleva- tion no more than two (2) feet below the base flood elevation, and that the cost of flood 'insurance will be commensurate with the increased risk resulting from the reduced lowest floor elevation. ARTICLE IV provisions ~or flood hazard reduction Section 10~-16. General standards. In all ar~as of specia~ flood hazards the following pro- visions are required: (a) All new construction and substantial improvements shall be anchored to prevent flotation, collapse or lateral movement of the structure; 'e (b) All new construction or substantial improvements shall be constructed by methods and practices that minimize flood damage; (c) All n~w construction or substantial improvements shall be constructed with materials and utility equip- ment resis~ant to flood damage; (d) All new and replacement water supply systems ~hall be designed to minimize or eliminate infiltration of flood wate~s into the system;