Amend Chapter 21, Article 12, Floodplain regulations in order to adopt the most recent Federal and State requirements

Home Browse Search

analysis showing the limits of the floodway, floodway fringe and 100 year elevation for the site. 1. Upon receipt, the Zoning Administrator may issue the local Improvement Location Permit, provided the provisions contained in Sections 21-184 and 21-185 of this ordinance have been met. SEC. 21-184. PREVENTING INCREASED DAMAGES. No development in the Special Flood Hazard Area shall create a damaging or potentially damaging increase in flood heights or velocity or threat to public health and safety. (a) Within the floodway identified on the Flood Boundary and Fooodway Map, the Flood Insurance Rate Map, or engineering analysis as provided in Sec. 21-183(2)d, the following standards shall apply: (1) No development shall be allowed which acting alone or in combination with existing or future development, will cause any increase in the elevation of the regulatory flood; and (2) For all projects involving channel modifications or fill, including levees the City of South Bend, Indiana shall submit the data and request that the Federal Emergency Management Agency revise the regulatory flood data. (b). Within all Special Flood Hazard Areas identified as °Zone A° (no 100 year flood elevation and/or floodway/floodway fringe delineation has been provided), the following standard shall apply: (1) The total cumulative effect of the proposed development, when combined with all other existing and anticipated development, will not increase the regulatory flood elevation more than one-tenth (0.1) of one foot and will not increase flood damages or potential flood damages. (c) Public Health Standards in all Special Flood Hazard Areas: (1) No development in the Special Flood Hazard Area shall include locating or storing chemicals, explosives, buoyant materials, flammable liquids, pollutants, or other hazardous or toxic materials below the Flood Protection Grade, unless such materials are stored in a floodproofed storage tank or building constructed according to the requirements of Sec. 185 of this ordinance. (2) New and replacement sanitary sewer lines and on-site waste disposal systems may be permitted providing all manholes or other above ground openings are located above the FPG, or those which are located below the Flood Protection Grade are watertight. SEC. 21-185. PROTECTING BUILDINGS. In addition to the damage prevention requirements of Section 7, all buildings to be located in the SFHA shall be protected from flood damage below the Flood Protection Grade. (a) This building protection requirement applies to the following situations: (1) construction or placement of any new building having a floor area greater than 400 square feet; 8