§ 154.224 PRELIMINARY PLAT; DATA REQUIRED.
   (A)   Filing. The owner or subdivider shall prepare and submit a preliminary plat, together with any necessary supplementary information. Three copies of a preliminary plat of any proposed subdivision shall be filed with the City Engineer. Every preliminary plat shall contain the required data set forth in this section.
   (B)   Identification and description. The following data regarding identification and description of the preliminary plat shall be provided:
      (1)   Proposed name of subdivision, which name shall not duplicate the name of any plat heretofore recorded in the county, of which the proposed subdivision or plat is a part, shall be described;
      (2)   Location by section, township and range or by other legal description;
      (3)   Names and addresses of the owner and subdivider having control of the lands included in the preliminary plat, the designer of the plat and the surveyor;
      (4)   Graphic scale, not less than one inch to 100 feet;
      (5)   North point; and
      (6)   Date of preparation.
   (C)   Existing conditions. The following data regarding existing conditions shall be provided:
      (1)   Boundary line survey, including measured distances and angles, which shall close by latitude and departure with an error of closure not exceeding one foot in 7,500 feet;
      (2)   Total acreage in the preliminary plat computed to a tenth of an acre;
      (3)   Location and names of existing or platted streets or other public ways, parks and other public open spaces, permanent buildings and structures, easements and section and corporate lines within the tract and to a distance of 100 feet beyond the tract;
      (4)   If the proposed subdivision is a re-arrangement or a replat of any former plat, the lot and block arrangement of the original plat along with its original names shall be indicated by dotted or dashed lines. Also, any revised or vacated roadways of the original plat shall be so indicated;
      (5)   Location and size of existing paved streets, railroads, sewers, water mains, gravel pits, culverts or other underground facilities within the tract and to a distance of 100 feet beyond the tract. Also data as grades, invert elevations and location of catch-basins, manholes and hydrants;
      (6)   Boundary lines of adjoining platted or unplatted land within 100 feet of the tract; and
      (7)   Complete topographic map with contour intervals not greater than two feet, watercourses, marshes, rock outcrops and other significant features; all superimposed on at least one print of preliminary plat. United States Geodetic Survey datum shall be used for all topographic mapping. High water elevation and date thereof if parts of plat are wet or have been wet. In the case of a subdivision where no new street is involved, the required topographic map may be waived if it is deemed unnecessary by the City Engineer and the Planning Commission.
   (D)   Proposed development features. The following data regarding proposed development design features of the preliminary plat shall be provided:
      (1)   Layout of proposed streets, showing right-of-way widths and proposed names of streets. The name of any street similar to or heretofore used in the city shall not be permitted unless the proposed street is an extension of an already named street in which event the name shall be used. All street names shall be subject to the approval of the Planning Commission;
      (2)   Locations and widths of alleys, pedestrian ways and utility easements;
      (3)   Proposed centerline grades of all new streets and alleys, if any, and a complete set of profiles showing both existing and proposed grade lines;
      (4)   Location, size and approximate gradient of sewer lines;
      (5)   Layout, numbers and approximate dimensions of lots and the number of letters of each block;
      (6)   Location and size of proposed parks, playgrounds, churches or school sites or other special uses of land to be considered for dedication to public use, or to be reserved by deed of covenant for the use of all property owners in the subdivision and any conditions of the dedication or reservation;
      (7)   Vicinity sketch, at a legible scale, to show the relation of the plat to its surroundings and surrounding zoning districts; and
      (8)   Upon request of the City Engineer, a drainage plan showing the location and capacity of all proposed storm sewers, ditches and holding areas.
(2002 Code, § 7.77) (Ord. 325, effective 12-11-1965; Ord. 117, Third Series, effective 4-10-1985; Ord. 25, Fourth Series, effective 12-15-1991)