General requirements. The preliminary plat and all accompanying technical data shall be signed, sealed, and dated by the professional engineer or land surveyor who supplies it. A preliminary plat of the subdivision shall be accurately drawn to a scale of 100 feet to one inch, and show all proposals including, but not necessarily limited to, the following.
(A) The plat shall contain the following information:
(1) Name of subdivision;
(2) Legal description;
(3) Township;
(4) Zoning classification;
(5) Total acreage;
(6) North arrow;
(7) Owner name and address;
(8) Certificate of registered professional engineer or surveyor;
(9) Scale of drawing;
(10) Benchmarks;
(11) Date of survey;
(12) Numbered lots; and
(13) Typical lot size.
(B) The name of the subdivision shall not be a duplicate of any other in the county except in the case of additions.
(C) All existing property lines, section and quarter section lines, and existing buildings.
(D) Existing streets on and adjacent to the tract: by name, right-of-way width, location, type, width, and elevation of surfacing, curbs, gutters, culverts, and sidewalks.
(E) Existing utilities on and adjacent to the tract. Location, size, and invert elevation of sanitary sewers, storm sewers, and where existing location and size of watermain, location of gas lines, fire hydrants, electric and telephone poles and street lights; and if any of the above are not available at site, indicate direction and distance to the nearest ones and furnish statement of availability.
(F) The names of all subdivisions within 300 feet shall be included, and property not subdivided shall be so marked.
(G) The type of zoning shall be indicated for surrounding property within 300 feet.
(H) Existing grade elevations and all changes proposed thereto. On tracts based on USGS datum (United States Geological Survey), showing existing and proposed contours at vertical intervals as follows:
(1) Slope of 3% or less - one foot interval contour map;
(2) Slope of over 3% but less than 6% - two-foot interval contour map; and
(3) Slope of over 6% - five-foot interval contour map.
(I) A list of all political and service districts such as fire protection, grade and high school, post office, park, library, and the like shall be shown.
(J) All special use areas which will be dedicated, such as parks, ponds, preserves, and school lots shall be shown.
(K) All watercourses with their high and low water boundaries, all flood hazard areas and man-made drainage systems such as ditches and tiles, showing locations and outlets shall be shown.
(L) If the proposed subdivision lies within one and one-half miles of any municipality, the preliminary plat must be approved by the Planning Commission of any municipality which will later be required to sign the final plat prior to the Plat Officer. A certificate shall be placed on the plat to indicate such approval (see Appendix B).
(M) Show locations of all existing wells and septic systems within 100 feet of the boundary and the proposed locations of all wells, septic systems, and replacement systems when on-site systems are to be used.
(N) Show all easements, location, width, and purpose.
(O) Show 100-year flood base elevations limit lines.
(P) Draft of protective covenants, where applicable, whereby the developer proposes to regulate land use in the subdivision and otherwise protect the proposed development.
(Q) Show lot lines, number, and block numbers.
(R) Show location of minimum setback lines.
(S) Utilities. Location, type, and approximate size. This information may be shown on a separate exhibit.
(T) Site data. Including number of residential lots, typical lot size, and acres in other public and non-public land uses.
(U) Copy of the soil analysis as conducted by a soil scientist. This analysis shall also be provided to the Health Department prior to submittal of the preliminary plat to the Community Development Department.
(V) Four sets of complete road plans, prepared and sealed by a professional engineer with complete detailed estimate of cost, prepared and sealed by a professional engineer. The cost estimate shall set forth all of items of work to be performed and cost estimates thereof.
(W) Show approximate location of dwellings to be constructed on each lot.
(X) Show locations of all vertical closed loop wells.
(Res. LU-20-10, passed 11-18-2020)