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June 16, 2022 <br />32 <br /> <br />with inslope no steeper than five (5) horizontal to one (1) vertical (5:1) and backslope no <br />steeper than four (4) horizontal to one (1) vertical (4:1) and a minimum ditch bottom of five <br />(5) feet. <br />2. Existing section line ditches within the proposed subdivision shall have a minimum ditch <br />grade of not less one tenth of one percent (0.1%) with inslope no steeper than five (5) <br />horizontal to one (1) vertical (5:1) and backslope no steeper than four (4) horizontal to one <br />(1) vertical (4:1) and a minimum ditch bottom of five (5) feet. This standard may extend to <br />the section lines ditches outside of the proposed subdivision at the discretion of the County <br />Engineer. <br />3. Lot grading plans that meet the requirements of the County Engineer shall be submitted <br />(see Figures 3-7 below and on the following pages for examples). <br />4. All necessary drainage easements shall be provided on the plat. <br />5. Proposed drainage shall demonstrate no adverse impact on surrounding land and drainage <br />systems. <br />6. All proposed developments, except those in townships with adopted floodplain <br />management regulations, shall be built pursuant to the Cass County Flood Damage <br />Ordinance #1998-2, as it presently exists or may hereafter be amended. <br />(d) Lot Density Restrictions. For the purpose of encouraging orderly and economically- <br />feasible growth, preventing new developments from creating economic strains on county <br />residents, protecting the county's valuable farmland and agricultural traditions, <br />promoting development that will more easily convert to an urban environment and <br />implementing the goals and objectives established by the 2005 Cass County <br />Comprehensive Plan and supported in the 2018 Cass County Comprehensive Plan the <br />following lot density restriction is established. This density restriction will promote small, <br />truly rural developments that will mesh more easily with existing agricultural land and <br />activities and will encourage larger urban style subdivisions to develop in the urban fringe <br />and other areas with supportive infrastructure. Developments built beyond the density <br />restriction will be constructed with full supportive urban infrastructure, ensuring <br />developments that will more easily transition into an urban development upon <br />annexation without extensive and costly infrastructure upgrades. Except as noted in the <br />exemptions below, no subdivision of land shall exceed one (1) buildable lot per quarter- <br />quarter section or government lot. <br />1. If the development has followed the transfer of development rights pursuant to this <br />Ordinance and in accordance with all other required provisions of this Ordinance; or <br />2. If the subdivision will be built to full urban design standards and the strictest requirements <br />outlined within Article VI of this Ordinance; including but not limited to paved roads with <br />curb and gutter, a paved access road, municipal sewer system, public water supply system <br />with functioning fire hydrants, stormwater facilities, street lights, street trees, street signs, <br />sidewalks, bike paths and park dedications. <br /> <br /> <br />