§ 154.066 PRELIMINARY PLAT CONTENTS.
   The applicant shall prepare and submit a preliminary plat, together with a preliminary grading plan, a preliminary utility plan, a preliminary landscape plan, and any other necessary supplementary information.
   (A)   General information. The preliminary plat, together with the preliminary grading plan, and preliminary utility plan, shall contain the information set forth in the subsections which follow as well as within other chapters of the City's Code, City Engineering Guidelines or any official city policies.
   (B)   General requirements.
      (1)   The proposed name of the subdivision, the name not duplicating or too closely resembling names of existing subdivisions;
      (2)   The location of boundary lines in relation to known section, quarter section, or quarter-quarter section lines comprising a legal description of the property;
      (3)   The names and addresses of all persons having property interests, and the developer, designer, and surveyor together with his or her registration number;
      (4)   A graphic scale or plat, not less than one inch to 100 feet;
      (5)   A North arrow;
      (6)   The date of preparation and any subsequent revision dates.
   (C)   Preliminary plat. The preliminary plat shall contain the information set forth in the subsections which follow:
      (1)   Existing conditions.
         (a)   The boundary line and total acreage of the proposed plat, clearly indicated;
         (b)   The existing zoning classifications for land within and abutting the subdivision;
         (c)   The location, widths, and names of all existing or previously platted streets or other public ways, showing the type, width, and condition of improvements, if any, railroad and utility rights- of-way, parks and other public open spaces, permanent buildings and structures, easements, and section and corporate lines within the tract and to a distance of 350 feet beyond the tract;
         (d)   Boundary lines of adjoining unsubdivided or subdivided land within 350 feet identified by name and ownership, including all contiguous land owned and controlled by the applicant; and
         (e)   The delineation of all wetlands in accordance with criteria established by the Wetlands Conservation Act 1991 and the Wetland Systems District regulations set forth in Chapter 155 of the City's Code.
      (2)   Proposed design features.
         (a)   The layout of proposed streets showing the right-of-way widths, and the proposed names of streets in conformance with city and county street identification policies. The name of any street heretofore used in the city or its environs shall not be used unless the proposed street is a logical extension of an already named street, in which event the same name shall be used;
         (b)   The location and widths of proposed alleys and pedestrian ways;
         (c)   The location, dimensions, and purpose of all easements;
         (d)   The layout, numbers, lot areas, and preliminary dimensions of lots, blocks, and outlots;
         (e)   Minimum front and side street building setback lines;
         (f)   When lots are located on curves, the width of the lot at the building setback line; and
         (g)   Areas, other than streets, alleys, pedestrian ways, and utility easements, intended to be dedicated or reserved for public use, including the size of such area or areas in acres.
      (3)   Supplementary information. Any or all of the supplementary information requirements set forth in this subdivision shall be submitted when deemed necessary by the city staff, consultants, advisory bodies, and/or City Council:
         (a)   Proposed protective covenants;
         (b)   A statement of the proposed use of lots, stating the type of buildings with the number of proposed dwelling units or types of business or industry, so as to reveal the effect of the development on traffic, fire hazards, and congestion of population. The city may require the applicant to have formal traffic or other studies performed to the city's satisfaction which show the effect of the proposed development on traffic, fire hazards, congestion, or other matters of public concern;
         (c)   If any zoning changes are contemplated, the proposed zoning plan for the areas, including dimensions, shall be shown. Such proposed zoning plan shall be for information only and shall not vest any rights in the applicant;
         (d)   Where the applicant owns property adjacent to that which is being proposed for the subdivision, it shall be required that the applicant submit a sketch plan of the remainder of the property so as to show the possible relationships between the proposed subdivision and the future subdivision. In any event, all subdivisions shall be required to relate well with existing or potential adjacent subdivision;
         (e)   Where structures are to be placed on large or excessively deep lots which are subject to potential replat, the preliminary plat shall indicate a logical way in which the lots could possibly be re-subdivided in the future;
         (f)   When the city has agreed to install improvements in a development, the applicant may be required to furnish a financial statement satisfactory to the city indicating the applicant's ability to develop the plat;
         (g)   Any environmental review required by law;
         (h)   Applications, statements, and supporting documentation and plans for rezoning, variances, conditional use permits, or planned unit development approvals being sought for the subdivision;
         (i)   Landscape and screening plans in conformance with § 155.031 of this code; and
         (j)   Such other information as may be required by the city.
   (D)   Grading plan. The preliminary grading plan shall contain the information set forth in the subdivisions which follow:
      (1)   Existing conditions.
         (a)   The location and size of existing sewers, water mains, culverts, or other underground utilities and facilities within the tract and to a distance of 100 feet beyond the tract. Such data as grades, invert elevations, and locations of catch basins, manholes, and hydrants shall also be shown;
         (b)   Topographic data, including contours at vertical intervals of not more than two feet. Watercourses, wetlands, woodland areas, rock outcrops, power transmission poles and lines, and other significant features shall also be shown;
         (c)   100-year-flood elevations, the regulatory flood protection, and boundaries of floodway and flood fringe areas, if known, taking into consideration the Flood Insurance Study and Flood Insurance Rate Map;
         (d)   A statement certifying the environmental condition of the site including the presence of any hazardous substance as defined in M.S. § 115B.02(8). The statement may be required to be based upon an environmental assessment of the site by an engineering firm acceptable to the city; and
         (e)   The delineation of all wetlands in accordance with criteria established by the Wetlands Conservation Act of 1991 and the Wetland Systems District regulations set forth in Chapter 155 of the City's Code.
      (2)   Proposed design features.
         (a)   A grading plan with minimum two-foot contours which shall include the proposed grading and drainage of the site, including provisions for surface water ponding and drainage. Also to be stipulated are the building pad locations, garage floor, first floor, and basement elevations of all structures;
         (b)   Layout of the proposed streets showing right-of-way widths, center line gradients, and typical cross sections;
         (c)   Proposed fill, levees, channel modifications, and other methods to overcome flood or erosion hazard areas in accordance with the Zoning Ordinance and by use of the 100-year-flood profile and other supporting technical data in the Flood Insurance Study;
         (d)   A plan for soil erosion and sediment control both during construction and after development shall be completed. The plan shall include gradients of waterways, design of erosion control measures, design of sediment control measures, and landscaping of the erosion and sediment control system. Such plans are to be in accordance with the technical standards and specifications of § 154.087 and approved by the City Council;
         (e)   When applicable, a "wetland systems impact plan" which sets forth provision for sediment control, water management, maintenance of landscape features, or any other efforts intended to maintain or improve environmental quality within the wetland impact area. The plan shall identify changes to be made in the natural condition of the earth and shall minimize tree removal, ground cover change, loss of natural vegetation, and grade changes as much as possible;
         (f)   When applicable, wetland mitigation efforts shall be conducted with the Minnesota Department of Natural Resources, the Army Corps of Engineers, or other pertinent agencies; and
         (g)   Provision for surface water disposal, ponding, drainage, and flood control.
      (3)   Supplementary information. Any or all of the supplementary information requirements set forth in this division shall be submitted when deemed necessary by the city staff, consultants, advisory bodies, and/or City Council:
      (4)   An accurate soil survey of the subdivision prepared by a registered soils engineer to determine soil suitability for development.
   (E)   Utility plan. The preliminary utility plan shall contain the information set forth in the subdivisions which follow:
      (1)   Existing conditions. The location and size of existing sewers, water mains, culverts, or other underground facilities within the tract and to a distance of 100 feet beyond the tract. Such data as grades, invert elevations, and locations of catch basins, manholes, any hydrants shall also be shown.
      (2)   Proposed design features.
         (a)   The locations and routing of proposed sewer lines and water mains, and identification of gravity, force main, and alternative service lines;
         (b)   Water mains being provided to serve the subdivision by extension of an existing community system. Service connections shall be stubbed into the property line and all necessary fire hydrants shall also be provided. Extensions of the public water supply system shall be designed so as to provide public water in accordance with the standards of the Joint Powers Water Board; and
         (c)   Sanitary sewer mains and service connections being installed in accordance with the standards of the city with regard to location, size, and service type, subject to final review and approval of the City Council.
   (F)   Certification required. The preliminary plat must be prepared and signed by a registered land surveyor. The grading and utility plans must be prepared and signed by a registered civil engineer.
(Ord. 111, passed 12-23-97; Am. Ord. 0903, passed 10-27-09; Am. Ord. 1603, passed 3-8-16)