(A) Identification and description.
(1) Proposed name of subdivision, which name shall not duplicate or be similar in pronunciation to the name of any plat already recorded in the county;
(2) Legal description of property;
(3) Name and address of the record owner, any agent having control of the land, including contract purchasers, subdivider, land surveyor, engineer and designer of the plan;
(4) Map indicating graphic scale not less than one inch to 100 feet;
(5) North point and vicinity map of area showing well-known geographical points for orientation within a one-half mile radius;
(6) List of adjoining property owners within 500 feet of the proposed plat; and
(7) Date of preparation.
(B) Existing conditions.
(1) Boundary lines shall be shown clearly and to a degree of accuracy no major changes are necessary in preparing the plat;
(2) Existing zoning classifications for land in and abutting the subdivision;
(3) Approximate total acreage;
(4) Location, right-of-way width and names of existing or platted streets or other public ways, parks and other public lands, permanent buildings and structures, street, drainage and utility easements, section, corporate and school district lines within the plan and to a minimum distance of 500 feet beyond shall also be indicated;
(5) Location and size of existing sewers, water mains, pipelines, power lines, culverts, wells, septic systems or other underground facilities within the preliminary plat area and to a distance of 100 feet beyond. Data as grades and locations of catch basins, manholes, hydrants and street pavement width and type shall also be shown;
(6) Boundary lines of adjoining unsubdivided or subdivided land, within 100 feet, identified by name and ownership, but including all contiguous land owned or controlled by the subdivider;
(7) Topographic data, including contours at vertical intervals of not more than two feet except where the horizontal contour interval is 100 feet or more, a one-foot vertical interval shall be shown. Watercourses, marshes, wooded areas, rock outcrops and other significant features shall also be shown. The plat shall be superimposed on an aerial map so that it can be clearly indicated how the plat relates to surrounding land. National Geodetic Vertical Datum 1929 Adjustment shall be used for all topographic mapping;
(8) A copy of all proposed private restrictions shall be submitted;
(9) In areas where public sewer is not available, four soil borings on each lot defining an area 100 feet by 100 feet suitable for an on-site septic system shall be required. The results shall be submitted to the Building Official. If it appears soil may not be suitable on any lot for the installation of an on-site system, additional borings and percolation tests will be required;
(10) Soil types and location of limits of each soil type as shown in the soil survey of the county;
(11) Slopes in excess of 12% and slopes in excess of 18% shall be delineated;
(12) If severe soil limitations for the intended use are noted in the soil handbook on file in the county planning department and the county’s Soil and Water Conservation District office, a plan or statement indicating the soil conservation practice or practices to be used to overcome the limitation shall be made part of the permit application;
(13) On all lakes, ponds and wetlands, all water surface elevations, natural ordinary high elevation and present and proposed 100-year flood elevations shall be denoted; and
(14) The City Administrator and designees shall be permitted to inspect the land during review of the preliminary plat to ensure that there are no adverse conditions or harmful conditions upon the land. If these conditions are found, the City Administrator shall notify the proper authorities and approved remedial action shall be taken as a condition of preliminary plat approval.
(C) Design features. Subdivision design features to be shown on preliminary plat are:
(1) Layout of proposed streets, showing right-of-way widths and proposed names of streets;
(2) Locations and width of proposed alleys, pedestrian ways and utility easements;
(3) Lot and block numbers and preliminary dimensions of lots and blocks and area of each lot;
(4) (a) Location of house and detached accessory building on each lot. Required front, side and rear building set back lines.
(b) Driveway access shall be indicated on the preliminary plat in the graph that shows the size of each lot, contiguous buildable acres and the like.
(c) Where any lot on the plat has the possibility of accessing a driveway on more than one street, the interior street shall be the street on which the driveway access is made, and a covenant shall be recorded on the lots, at the time the plat is filed, restricting driveway access to the interior street;
(5) Gradients of proposed street, plans and profiles showing locations and typical cross-sections of street pavement including curbs, gutters, sidewalks, drainage easements, servitude rights-of-way, manholes and catch basins;
(6) Areas, other than street, alleys, pedestrian ways and utility easements, intended to be dedicated or reserved for public use, including the size of each area in acres;
(7) (a) Grading and drainage plan for entire subdivision. Details must include proposed ponding areas, ditches, culverts or storm sewer.
(b) Drainage calculations are also required. Arrows indicating the direction of the drainage shall be provided.
(c) If any fill or excavation is proposed in a wetland or lake, approval must be obtained from the state’s Department of Natural Resources and U.S. Army Corps of Engineers;
(8) Erosion and sediment control plan;
(9) Location of soil tests showing that two septic systems may be installed on each lot in compliance with city specifications on slopes of 13% or less;
(10) Where the subdivider owns property adjacent to that which is being proposed for the subdivision, the subdivider shall submit a sketch plan of the remainder of the property showing the possible relationships between the proposed subdivision and future subdivision. In any event, all subdivisions must be shown to relate well with existing or potential adjacent subdivisions and land use;
(11) Surface water drainage patterns and courses on the subdivided property together with a statement or plan indicating the effect on the patterns and courses that would result from the subdivision and development of the property and the soil conservation practices and drainage control devices to be used to overcome or prevent any drainage problems resulting to the subject property or adjacent property from the subdivision; and
(12) Other information as may be requested by the City Engineer, city planning staff, City Planning Commission or City Council.
(Prior Code, § 12-1328) (Res. 1997-16, passed 6-17-1997; Ord. 1997-5, passed 3-17-1998; Ord. 02-2009, passed 4-21-2009)
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