§ 155.407 PRELIMINARY PLAT SUBMITTAL.
   The preliminary plat shall be prepared, stamped and signed by a state-licensed professional engineer or professional land surveyor. The preliminary plat submittal shall include at least the following information:
   (A)   Vicinity map:
      (1)   Drawn at a maximum scale of 1,000 feet to the inch;
      (2)   Show all existing and proposed roadways in the vicinity of the proposed development;
      (3)   A north arrow;
      (4)   The nearest section corner tie; and
      (5)   Subdivision name.
   (B)   Certified boundary survey of the subject property, which meets current state requirements, which also depicts all easements identified by the title report;
   (C)   Preliminary plat (all facilities within 200 feet of the plat shall be shown):
      (1)   Drawn at a scale not smaller than 100 feet to the inch;
      (2)   A north arrow;
      (3)   Subdivision name;
      (4)   The layout and names and widths of existing and future road rights-of-way;
      (5)   A tie to a permanent survey monument at a section corner;
      (6)   The boundary lines of the subdivision with bearings and distances;
      (7)   The layout and dimensions of proposed lots with lot areas in square feet;
      (8)   The location and dimensions and labeling of other spaces including open spaces, parks, trails or public spaces;
      (9)   The location of human-made features including bridges, railroad tracks, fences, ditches and buildings;
      (10)   Topography at two-foot intervals. One-foot contours may be required by the County Engineer in particularly flat areas;
      (11)   Location and ownership of all adjoining tracts of land; and
      (12)   Proposed subdivision phasing plan and relationship to existing phases of development.
   (D)   Grading and drainage plan (may be combined with plat sheet, if approved by the County Engineer):
      (1)   Plan drawn to a scale not smaller than 100 feet to the inch, showing the road and lot layout;
      (2)   Topography at two-foot contour intervals;
      (3)   North arrow;
      (4)   Subdivision name;
      (5)   Areas of substantial earthmoving and/or grading;
      (6)   Location of existing watercourses, canals, ditches, springs, wells, culverts and storm drains;
      (7)   Location of any 100-year floodplain as designated by FEMA;
      (8)   A storm drainage plan showing water flow directions, inlets, outlets, catch basins, waterways, culverts, detention basins, outlets to off-site facilities and off-site drainage facilities planned to accommodate the project drainage;
      (9)   Show any existing wetlands; and
      (10)   Slope analysis which depicts all slopes greater than 15% and greater than 25% with distinct notation.
   (E)   Utility plan (may be combined with plat sheet, if approved by the County Engineer):
      (1)   Plan drawn to a scale not smaller than 100 feet to the inch, showing the road and lot layout;
      (2)   North arrow;
      (3)   Subdivision name;
      (4)   Show all existing and proposed utilities including: Sewer; culinary water; well locations with secondary water; fire hydrants; storm drains; subsurface drains; gas lines; power lines and streetlights; and television and telecommunications; and
      (5)   Show location and dimensions of all utility easements.
   (F)   The subdivider shall provide the following documents with the application:
      (1)   Three copies of a geotechnical investigation report and a geologic hazards report, if required;
      (2)   A traffic report when required by the Planning Commission or County Engineer;
      (3)   Preliminary title report, which specifically references the boundary survey and exactly matches the legal description of the outside boundary of the subdivision;
      (4)   A will serve letter from all utility companies or providers that states:
         (a)   That their system has capacity to serve the proposed development, documentation of such available capacity and specifying the amount of such capacity that will be utilized for the proposed project; and
         (b)   Any conditions of required improvements before they can serve the subdivision.
      (5)   Any necessary agreements with adjacent property owners regarding storm drainage or other matters pertinent to subdivision approval;
      (6)   Maintenance agreements for subsurface drains serving the subdivision, if they are proposed or exist;
      (7)   An agricultural impact analysis, on subdivisions which are contiguous to an adopted agricultural preservation area, or which contain an agricultural open space conservation easement within the plat;
      (8)   Written verification of all proposed water sources. For all proposed water sources, provide approval letters from the Weber/Morgan Health Department and proof of all water rights, including quantities (water rights certificates and the like), for each well and water source to be utilized for the development;
      (9)   (a)   The developer shall submit all information concerning site geology, area hydrogeology, site topography, soil types and the proven wet water by the drilling of at least one test well from within the described subdivision boundary, as determined by a state-licensed Geotechnical Engineer. Well logs shall be submitted to the county identifying the depth and yield of the well; and
         (b)   Information submitted must verify that the source is consistently available to supply 800 gallons per day (gpd) per equivalent residential connection (ERC) at a minimum flow rate of 0.55 gallons per minute (gpm). Water for irrigation supplies shall be verified to provide three gpm per irrigated acre. If the proposal is being served by an existing water utility company, these requirements do not apply.
      (10)   Verification of approval from the Weber/Morgan Health Department regarding the proposed location of all septic systems and water source protection areas.
   (G)   When the subdivision is located within the Sensitive Area District or geologic hazards special study area, required reports and documents are to be submitted in accordance with the provisions of this subchapter.
   (H)   The subdivider shall comply with all applicable federal, state and local laws and regulations, and shall provide evidence of such compliance if requested by the county.
   (I)   Copy of proposed protective covenants in all cases where subsurface drains or other common area maintenance proposals are to serve any portion of the subdivision.
   (J)   Electronic copies of all preliminary plat drawings in AutoCAD (DWG) format.
   (K)   Tabulations showing the total number of lots or buildings sites and the percentage of land in roads, lots and open space.
   (L)   Any additional submittal requirements required for or by master-planned development reserves, specific development agreements or requirements and conditions of other applicable ordinances or previous approvals.
(Prior Code, § 8-12-24) (Ord. 10-16, passed 12-14-2010; Ord. 12-09, passed 9-18-2012; Ord. 19-09, passed 10-15-2019; Ord. 20-11, passed 9-1-2020)