Section 90-61. General standards.
In all areas of special flood hazard, the following shall apply:
(1) new construction and substantial improvements shall be anchored to prevent flotation, collapse or lateral movement of the structure;
(2) manufactured homes shall be anchored to prevent flotation, collapse or lateral movement. Methods of anchoring may include but are not limited to use of over-the-top or frame ties to ground anchors. This standard shall be in addition to and consistent with applicable state requirements for resisting wind forces;
(3) new construction and substantial improvements shall be constructed with materials and utility equipment resistant to flood damage;
(4) new construction or substantial improvements shall be constructed by methods and practices that minimize flood damage;
(5) Electrical, heating, ventilation, plumbing, air conditioning equipment and other service facilities shall be designed and located to prevent water from entering or accumulating within the components during conditions of flooding;
(6) New and replacement water supply systems shall be designed to minimize or eliminate infiltration of floodwaters into the system;
(7) New and replacement sanitary sewer systems shall be designed to minimize or eliminate infiltration of floodwaters into the systems and discharges from the systems into floodwaters;
(8) On-site waste disposal systems shall be located and constructed to avoid impairment to them or contamination from them during flooding;
(9) Any alteration, repair, reconstruction or improvement to a structure which is in compliance with this article shall meet the requirements of new construction as contained in this article;
(10) Any alteration, repair, reconstruction or improvement to a building which is not in compliance with this article shall be undertaken only if such nonconformity is not furthered or extended; and
(11) Adequate drainage paths shall be provided around structures to guide shallow floodwaters or stormwater runoff around and away from them.