11197-25 Amending Chapter 6, Article 9, of the South Bend Municipal Code to Update the Regulations for Flood Damage Prevention

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or permanent structure over, along or lakeward of the shoreline or waterline of a public freshwater lake. Walls landward of the shoreline (within ten(10) feet) and below legal or normal water level of a public freshwater lake also require prior approval from the Department of Natural Resources. (iii)General licenses and exemptions to the Lake Preservation Act may apply to the placement of temporary piers, dry hydrants, aerators, or glacial stone reface,provided they meet the specific criteria of the Public Lakes Rules. (iv)No action shall be taken by the Floodplain Administrator until a permit or letter of authorization (when applicable) has been issued by the Indiana Department of Natural Resources granting approval or qualification for a general license has been verified. Once a permit or approval has been issued by the Indiana Department of Natural Resources (or general license qualification verified), the Floodplain Administrator may issue the local Floodplain Development Permit, provided the applicable provisions contained in this section have been met. The Floodplain Development Permit cannot be less restrictive than the pen-nit issued by the Indiana Department of Natural Resources. However,a community's more restrictive regulations(if any) shall take precedence. (2) General Standards In all areas of special flood hazard,the following provisions are required: (a) All new construction, reconstruction or repairs made to a repetitive loss structure, and substantial improvements shall be anchored to prevent flotation, collapse or lateral movement of the structure. (b) New construction and substantial improvements shall be constructed with materials and utility equipment resistant to flood damage below the FPG. (c) New construction and substantial improvements must incorporate methods and practices that minimize flood damage. (d) Electrical, heating, ventilation, plumbing, air conditioning equipment, and other service facilities shall be located at/above the FPG for residential structures. Electrical, heating, ventilation, plumbing, air conditioning equipment, and other service facilities shall be located at/above the FPG or designed so as to prevent water from entering or accumulating within the components below the FPG for non-residential structures. Water and sewer pipes, electrical and telephone lines, submersible pumps,and other waterproofed service facilities may be located below the FPG. (e) New and replacement water supply systems shall be designed to minimize or eliminate infiltration of floodwaters into the system. (f) New and replacement sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters into the system. (g) On-site waste disposal systems shall be located and constructed to avoid impairment to them or contamination from them during flooding. (h) Any alteration, repair, reconstruction, or improvements to a structure that is in compliance with the provisions of this ordinance shall meet the requirements of "new construction"as contained in this ordinance. (i) Base flood elevation data shall be provided for subdivision proposals and other proposed development (including manufactured home parks and subdivisions), which is greater than fifty(50) lots or five(5)acres,whichever is less. (j) Where an existing or proposed structure or other development is affected by multiple flood zones, by multiple base flood elevations, or both,the development activity must comply with the provisions of this ordinance applicable to the most restrictive flood zone and the highest base flood elevation affecting any part of the existing or proposed structure;or for other developments,affecting any part of the area of the development. (k) Fill projects that do not involve a structure must be protected against erosion and scour during flooding by vegetative cover, riprap, or bulk heading. If vegetative cover is used,the slopes shall be no steeper than 3' horizontal to 1' vertical. (1) Non-conversion agreements shall be required for all new or substantially improved elevated structures with an enclosure beneath the elevated floor, accessory structures,and open-sided shelters. (m)Construction of new solid waste disposal facilities, hazard waste management facilities, salvage yards, and chemical storage facilities shall not be permitted in areas of special flood hazard. (n) Whenever any portion of the SFHA is authorized for use, the volume of space which will be occupied by the authorized fill or structure below the BFE shall be compensated for and balanced by an equivalent volume of excavation taken below 20