Ordinance - #15-15 - 11/24/2015 - Laserfiche WebLink

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(a) Subdivisions. No land may be subdivided which is unsuitable for reasons of flooding or inadequate drainage, water supply or sewage treatment facilities. Manufactured home parks and recreational vehicle parks or campgrounds are considered subdivisions under this Section. (1) All lots within the floodplain districts must be able to contain a building site outside of the Floodway District at or above the regulatory flood protection elevation. (2) All subdivisions must have road access both to the subdivision and to the individual building sites no lower than two feet below the regulatory flood protection elevation, unless a flood warning emergency plan for the safe evacuation of all vehicles and people during the regional (1% chance) flood has been approved by the City Council. The plan must be prepared by a registered engineer or other qualified individual, and must demonstrate that adequate time and personnel exist to carry out the evacuation. (3) For all subdivisions in the floodplain, the Floodway and Flood Fringe District boundaries, the regulatory flood protection elevation, and the required elevation of all access roads must be clearly labeled on all required subdivision drawings and platting documents. (4) In the General Floodplain District, applicants must provide the information required in Section 117-185 (b) to determine the regional flood elevation, the Floodway and Flood Fringe District boundaries and the regulatory flood protection elevation for the subdivision site. Sec. 117-187 Public Utilities, Railroads, Roads, and Bridges. (a) Public Utilities. All public utilities and facilities such as gas, electrical, sewer, and water supply systems to be located in the floodplain must be floodproofed in accordance with the MN State Building Code or elevated to the regulatory flood protection elevation. (b) Public Transportation Facilities. Railroad tracks, roads, and bridges to be located within the floodplain must comply with Sections 117-183 and 117-184. These transportation facilities must be elevated to the regulatory flood protection elevation where failure or interruption of these facilities would result in danger to the public health or safety or where such facilities are essential to the orderly functioning of the area. Minor or auxiliary roads or railroads may be constructed at a lower elevation where failure or interruption of transportation services would not endanger the public health or safety. (c) On -site Water Supply and Sewage Treatment Systems. Where public utilities are not provided: (1) On -site water supply systems must be designed to minimize or eliminate infiltration of flood waters into the systems; and (2) New or replacement on -site sewage treatment systems must be designed to minimize or eliminate infiltration of flood waters into the systems and discharges from the systems into flood waters and they must not be subject to impairment or contamination during times of flooding. Any sewage treatment system designed in accordance with the state's current statewide standards for on -site sewage treatment systems is considered to be in compliance with this Section. Sec. 117-188 Manufactured Homes, Manufactured Home Parks, and Recreational Vehicles. (a) Manufactured Homes. New manufactured home parks and expansions to existing manufactured home parks are prohibited in any floodplain district. For existing manufactured home parks or lots of record located in a floodplain district, the placement of new or replacement manufactured homes will be treated as a new structure and are subject to the following requirements: (1) Placement or replacement of manufactured home units is prohibited in the Floodway District. (2) If allowed in the Flood Fringe District, placement or replacement of manufactured home units is subject to the requirements of Section 117-184 and the following standards. a. New and replacement manufactured homes must be elevated in compliance with Section 117- 184 and must be securely anchored to an adequately anchored foundation system that resists