Specifications for Plans and Plats - 18.20

18.20.010 Sketch plan
  1. The purpose of the sketch plan is to secure a conceptual design of the overall area to be developed, delineating separate land uses and road design so that the plan may be evaluated with respect to the concept of development, its contribution to the public health, safety and welfare, and its coordination with adjacent properties and master plan.
  2. Data required for the sketch plan.
    1. Three (3) copies of the sketch plan shall be submitted to the planning commission at a convenient scale and shall contain the following:
      1. Proposed name of subdivision,
      2. Date of preparation,
      3. Written and graphic scale,
      4. North arrow,
      5. Designation of various land uses anticipated,
      6. Street layouts, indicating general dimensions,
      7. Contour intervals of not more than ten (10) feet, and h. Existing zoning on all adjacent properties;
    2. A map, with the same scale as the sketch plan, of existing and recorded section lines, streets, areas, easements, watercourses, utilities, improvements, and any other major features in and adjacent to the tract shall be submitted - three (3) copies;
    3. Soil types and their boundaries, as shown on soil survey maps prepared by the U.S. Department of Agriculture, Soil Conservation Service, and also a table of interpretations for the soil types shown on the soil map prepared by the Soil Conservation Service. Requests for these maps and tables are to be made to the local Soil Conservation District; the subdivision does not need to be in a Soil Conservation District to obtain the map and table or have them prepared - three (3) copies are required;
    4. A vicinity sketch indicating the location of the proposed subdivision, and land uses and residential densities of other properties in the immediate vicinity. The sketch should be at a scale no smaller than one (1) inch equals five hundred (500) feet; 
    5. A written statement containing the following information:
      1. Names and addresses of adjoining property owners or the owners of property separated from the proposed subdivision only by a public way,
      2. Names and addresses of property owner, subdivider, land planner, and designation of the person to be contacted for purposes of coordination,
      3. Gross acreage of the subdivision,
      4. Approximate number and types of units,
      5. Estimated acreage of streets and parking (unless detailed planning has been accomplished, off street parking spaces should be calculated on the basis of two hundred (200) square feet per space),
      6. Acreage and percentage of common open space,
      7. The number of separate filings anticipated,
      8. Zoning to be retained or applied for,
      9. Type of water system proposed and source of water,
      10. Type of sewage disposal system proposed,
      11. For single-family or duplex development, minimum, maximum and average lot sizes, and
      12. Developer’s license number;
    6. Letters from any water and wastewater utilities and fire district which will provide services, concerning its ability to provide such services and setting forth an approximate date when service could be available,
    7. Any additional information as may be required by the planning commission in furtherance of the purpose of the sketch plan.