§ I-5.003 PRELIMINARY PLAT.
   (A)   General. The developer shall submit a preliminary plat of the proposed subdivision to the Planning and Zoning Board for review and recommendation. The plat must conform to the requirements of this title.
   (B)   Procedure.
      (1)   The applicant shall submit a plat application with each proposed preliminary plat.
      (2)   The applicant shall prepare and submit one paper copy and a digital version of the preliminary plat on the scheduled due date, together with any necessary supplementary information and all required data set forth in this section.
      (3)   The Planning and Zoning Board shall review the preliminary plat to ensure it is consistent with the standards set forth in this title, Title II of this code, and any other applicable regulations. The Planning and Zoning Board shall recommend to the County Commission approval, conditional approval, or disapproval of the preliminary plat, giving the reasons thereof, and, when necessary, shall recommend those variances to this title deemed necessary and appropriate for approval of the preliminary plat.
      (4)   After receiving the recommendation of the Planning and Zoning Board, the County Commission shall review the preliminary plat and shall approve, disapprove, or request modification to the preliminary plat within 90 days from the date of submittal of the preliminary plat to the County Commission unless such date is extended by agreement with the developer/applicant.
      (5)   Approval of the preliminary plat shall not constitute acceptance of the final plat. The approval shall lapse unless a final plat, based thereon, is submitted within two years from the date of approval of the preliminary plat. An extension of this two-year deadline may be requested in writing by the developer/applicant. The developer shall submit the request at least 30 days prior to the expiration of the approved preliminary plat. If an extension is not granted, then the developer shall be required to resubmit a new plan for preliminary approval subject to any new subdivision regulations. For phased developments, phase one shall be submitted within two years from the date of approval of the preliminary plat, and each subsequent phase shall similarly be submitted within two years from approval of the preceding phase.
   (C)   Preliminary plat review fee. A fee shall be charged at the time of the preliminary plat submittal to cover the cost of review. The fee is due and payable at the Planning and Zoning Department at the time of the preliminary plat submittal. A schedule of fees for plats shall be established by the Planning and Zoning Board and approved by the County Commission by resolution.
   (D)   Document format.
      (1)   The preliminary plat shall be prepared by a state registered land surveyor, a professional registered engineer, or a landscape architect at a legible scale. However, each profession shall restrict work performed for the preliminary plat to what is defined as the practice for his or her registered profession in SDCL Ch. 36-18A.
      (2)   Plan sheets shall be sequentially numbered. The plat shall include the following items:
         (a)   Names and addresses of the owner and/or developer having control of the lands included in said plat, the designer, surveyor, engineer, and all such other persons contributing to the creation of the plat as part of a technical profession as defined in SDCL Ch. 36-18A;
         (b)   Legal description to include: section, township, and range; graphic scale; north arrow; and preparation date;
         (c)   Total acreage in said preliminary plat computed to one-tenth of an acre;
         (d)   Current zoning; current school districts, and postal areas;
         (e)   If the proposed subdivision is a rearrangement or a re-plat 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;
         (f)   The location of the parcel with respect to surrounding property and streets, and the names of adjoining streets within 100 feet of the subdivision;
         (g)   Boundary line survey, including measured distances and angles, which shall close by latitude and departure with an error of closure meeting all standards of the profession;
         (h)   The location of existing and proposed streets, alleys, easements, and other public rights-of way, and railroad rights-of-way; buildings, bridges, gravel pits, culverts, or other underground facilities within the tract and to a distance of 100 feet beyond the tract; also such data as grades, invert elevations, and location of catch basins, manholes, and hydrants;
         (i)   Improvements including but not limited to: buildings, bridges, gravel pits, culverts, or other underground facilities within the tract and to a distance of 100 feet beyond the tract; also such data as grades, invert elevations, and location of catch basins, manholes, and hydrants;
         (j)   The location and size of existing and proposed sewer systems and water systems, if any; the location, size, and material type of proposed sewer and water lines; the source of water supply; storage capacity of any aboveground or belowground tanks; appropriate elevation of aboveground tanks and belowground tanks existing wells or pumps; proposed location of fire hydrants; all drainage courses, waterbodies; and the location of existing catch basins and manholes. (All of these items must be shown or noted on the plat if it exists);
         (k)   The dimensions and areas of proposed or existing lots;
         (l)   The location and dimensions of all property proposed to be dedicated for public or private use;
         (m)   Boundary lines and name and address of property owners of adjoining platted or un-platted land within 100 feet of the tract;
         (n)   Blocks shall be consecutively numbered, or lettered, in alphabetical order;
         (o)   Complete topographic map with contour intervals, watercourses, marshes, rock outcrops, and other significant features; all superimposed (overlayed) on the subject property shown on the preliminary plat; legible scale;
         (p)   A vicinity map indicating the general location; adjacent properties and existing access and public roads; legible scale;
         (q)   Special flood hazard areas as delineated on current effective FEMA FIRM Map;
         (r)   Location and size of proposed greenspace; common area; utility lots; existing parks, playgrounds, cemeteries, churches, or school sites or other special uses of land to be considered for dedication to public use, or to be reserved by deed or covenant for the use of all property owners in the subdivision and any conditions of such dedication or reservation; and
         (s)   Building setback lines shall be shown or noted on the preliminary plat and no building or portion thereof shall be built between this line and the street line.
   (E)   Certificates for preliminary plat. Certificates shall be on the preliminary plat in the following form.
 
Planning and Zoning Approval
Approval of the preliminary plat is hereby granted by the Lawrence County Planning and Zoning Board on this _____ day of ______________, 20____.
__________________________________   ______________________________
Planning and Zoning, Chair            Planning and Zoning, Secretary
County Commission Approval
Approval of the preliminary plat is hereby granted by the Lawrence County Commission on this _____ day of ______________, 20____.
__________________________________   ______________________________
Chairperson, Lawrence County Commission   Lawrence County, Auditor
Approval of this preliminary plat shall expire within two years after the certificate of approval is signed by the Planning Director or the County Commission. This plat will expire on the _____ day of ______________, 20____ at 5:00 p.m.
 
   (F)   Supplemental requirements. Supplemental requirements are as follows:
      (1)   Construction plans in accordance with this chapter;
      (2)   Wildfire mitigation plan in accordance with § I-6.015(E);
      (3)   Centerline grades of all existing and new streets and alleys, and a complete set of profiles prepared by a registered professional engineer for all new streets and alleys, showing both existing and proposed grade lines with drainage and typical cross-sections, shall be submitted to and reviewed by the County Highway Superintendent or County's designee;
      (4)   Other pertinent information, as required, to include, but not be limited to, e.g., outside engineer review of all plans and drawings; wetland information, streams, geotechnical information, on-site wastewater disposal systems, percolation tests, soil profiles, and the like, solely at the developer's expense;
      (5)   In any proposed subdivision in which an area greater than one acre will be disturbed, or in areas where topographic features are such that erosion siltation or temporary runoff problems may occur, a site plan shall be required showing how these problems will be resolved;
      (6)   Engineering design data conforming in all respects to the requirements of Chapter 6 of this subdivision title, solely at the developer's expense; and
      (7)   As required, a master plan shall be provided at a scale of not less than one inch equals 200 feet and shall include the following information: proposed street and lot configurations; proposed water and sewer service; proposed and existing water resources within one-half mile of the proposed development; and the proposed residential, commercial, or other uses of the property. The purpose of the master plan is to identify potential development issues and to provide for cohesive development which complies with county and/or state regulations in regard to items such as access and water distribution system requirements.
(Ord. 14-04, passed 6-30-2015, Ch. 5, Art. 3; Ord. 19-01, passed 4-9-2019)