2015-11-02 P & Z Packet - Laserfiche WebLink

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Ordinance Language Commentary for evacuation if the area is inundated to a depth and velocity such that the depth(in feet)multiplied by the velocity(in feet per second) would exceed a product of four upon occurrence of the regional(1% chance)flood. 4.3 Conditional Uses: The following uses may be allowed as conditional uses Note that these conditional uses are o t_p ional following the standards and procedures set forth in Section 10.4 of this for the community but,if allowed,must meet ordinance and further subject to the standards set forth in Section 4.4,if the standards in Sections 4.4. Communities otherwise allowed in the underlying zoning district or any applicable overlay are encouraged to select only those district. conditional uses that are appropriate for their 4.31 Structures accessory to the uses listed in 4.1 above and the uses listed conditions. in 4.32-4.37 below. 4.32 Extraction and storage of sand,gravel,and other materials. 4.33 Marinas,boat rentals,docks,piers,wharves,and water control structures. Optional statement in 4.35 allows typical 4.34 Storage yards for equipment,machinery,or materials. farm fences such as barbed wire fences that 4.35 Placement of fill or construction of fences that obstruct flood flows. don't obstruct flood flows as permitted uses. Farm fences,as defined in section 2.918,are permitted uses. See also Section 10.21(c). 4.36 Travel-ready recreational vehicles meeting the exception standards in Section 4.36 is optional:we recommend Section 9.3. treating recreational vehicles as conditional uses so that road access and warning systems 4.37 Levees or dikes intended to protect agricultural crops for a frequency are carefully reviewed to ensure public safety flood event equal to or less than the 10-year frequency flood event. in times of flooding. 4.4 Standards for Floodway Conditional Uses: Note that flood control projects intended to 4.41 All Uses. A conditional use must not cause any increase in the stage of remove areas from the floodway to allowdevelopment of single or multiple structures the 1%chance or regional flood or cause an increase in flood damages are not permitted unless a Letters Map in the reach or reaches affected. Revision(LOMR)can be obtained to change 4.42 Fill;Storage of Materials and Equipment: the floodway boundary. Contact DNR (a) The storage or processing of materials that are,in time of flooding, Floodplain Program staff for further flammable,explosive,or potentially injurious to human,animal, information. or plant life is prohibited. 4.42(a)and(b)must be included if deposition (b) Fill,dredge spoil,and other similar materials deposited or stored or storage of fill is allowed in the floodway in the floodplain must be protected from erosion by vegetative cover, mulching,riprap or other acceptable method. Permanent sand and gravel operations and similar uses must be covered by a long-term site development plan. Alternative(c)is an optional alternative (c) Temporary placement of fill,other materials,or equipment which allowing temporary storage of fill or other would cause an increase to the stage of the 1%percent chance or materials that could increase flood stage, regional flood may only be allowed if the(Governing Body)has suitable for locations where adequate flood approved a plan that assures removal of the materials from the warning times will be available to allow floodway based upon the flood warning time available. removal of materials. 4.43 Accessory Structures: (a) Accessory structures must not be designed for human habitation. If accessory structures are to be allowed in the floodway,items(a)through(c)are (b) Accessory structures,if permitted, must be constructed and required. placed on the building site so as to offer the minimum obstruction to the flow of flood waters: July 2015 8