Section 6.400 - Preliminary Plan Requirements
The preliminary subdivision plan must be drawn to the following specifications and must contain or be accompanied by the information listed below. No processing or review of a preliminary plan will proceed without all of the information listed. Detailed standards and specifications for construction of state standard road are contained in the Mecklenburg County Land Development Standards Manual available from the Mecklenburg County Land Use and Environmental Services Agency. For Town Streets, the standards of Article 5 of the Huntersville Zoning Ordinance shall control.
1. The boundary of the area to be subdivided and the location within the area, or contiguous to it, of any existing streets, railroad line, water courses, easements or other significant features of the tract.
2. The location, size, elevations of existing sanitary sewers, storm drains, and culverts within the tract and immediately adjacent thereto.
3. Original contours, including tree lines, shown at intervals of not less than 4 feet for the entire area to be subdivided and extended into adjoining property for a distance of 300 feet at all points where street rights-of-way connect to the adjoining property. These contours shall be referenced to mean sea level datum established by the U.S Coast and Geodetic survey. Proposed contours for the full width of all street rights-of-way, along open drainage channels and in all other portions of the subdivision where extensive grading is proposed must be shown. These requirements shall not apply where the size of the subdivision and the topography make such information unnecessary.
4. The location of proposed streets, alleys, easements, lots, parks or other open spaces, reservations, other property lines, front build-to lines and rear and side yard dimensions for each lot, street dimensions, tentative building locations, and the location of any building restriction flood lines required by Section 7.280. The location and area calculations of constraining features including wetlands, slopes over 25%, watercourses, intermittent streams and floodways, SWI.M. buffers (outside of floodways), watershed buffers, and all rights-of-way and easements (current and future)
5. The location of all proposed storm drains and appurtenances with grades, inverts, and sizes indicated, together with a map of the drainage area or areas tributary to the proposed storm drains, a copy of the data used in determining the sizes of drainage pipes and structures, and the Building Restriction Floodline and Flood Protection Elevation for each lot subject to flooding as defined in Section 7.280.
6. The name of the subdivision; the name and signature of the owner or the owner's duly authorized agent; the name of the surveyor, engineer or designer; the names of proposed streets; the names of adjoining subdivisions or property owners. The name assigned to the subdivision and the names assigned to streets at this time will be used throughout the review and approval process for preliminary and final plats and may not be changed without approval of the Planning Director and or Designated Administrative Agent.
7. The scale of the plan which shall not be smaller than 100 feet to the inch, north point, date.
8. Typical cross sections of internal or abutting streets showing width, sidewalk, and planting details and proposed construction of roadways.
9. Proposed profiles of roadways. Where a proposed street is an extension of an existing street the profile shall be extended to include 300 feet of the existing roadway and storm drains if present and a cross section of the existing street shall be shown. Where a proposed street within the subdivision abuts a tract of land that adjoins the subdivision and where said street may be expected to extend into said adjoining tract of land, the profile shall be extended to include 300 feet of the said adjoining tract.
10. The proposed method of water supply and sewer disposal.
11. A small scale vicinity map showing the location of the subdivision with respect to adjacent streets and properties.
12. The location of any existing LCID landfills on the site and the location of any proposed LCID landfills on the site.
13. A timetable for estimated project completion of the area covered by the preliminary plan.
14. The zoning district(s) in which the project is located.
15. For projects in the Mountain Island Lake Watershed Overlay District, the calculated built-upon area permitted for each building lot, taking into account permanently preserved open space.
16. For subdivisions within which open space is required, a draft of the documents by which irrevocable preservation of open space shall be assured.
17. A Landscape/Preservation Plan is required for all subdivisions. Items to be included on the plan are as follows:
(a) Project Name
(b) Owner Name
(c) Landscape Architect’s seal and signature
(d) Tree save calculations
(e) Tree save areas - must also be shown on all sheets to be included within the Preliminary Plan
(f) Street Trees Proposed
(g) Additional trees to be planted to meet minimum tree save requirements and appropriate table (if any)
(h) Individual residential lot trees and a table showing total amount by lot type
(i) Internal/Perimeter landscaping for parking lots
(j) Landscape easements properly labeled - must also be shown on the site plan and final plat
(k) Notes on plan related to maintenance of street trees by individual homeowner or homeowners association - must also be noted on all preliminary plans and final plats to be recorded and documented within the homeowner’s covenants and restrictions.
(l) Proposed utilities in relation to tree save areas.
18. Storm Water Permit Application. A Storm Water Permit Application shall be submitted along with preliminary plans for each proposed development. The permit application shall demonstrate compliance with Section 8.17.12, Performance Criteria of the Huntersville Zoning Ordinance, unless otherwise exempted. The storm water permit application shall contain computations, drawings, soil analyses, calculations for each BMP, and overall site hydrology calculations as well as other information sufficient to describe the manner, location, and type of measures for managing storm water from the development in compliance with Section 8.17.12. In addition, the permit application shall specify those parties responsible for long-term maintenance of all BMPs. The Mecklenburg County Land Use and Environmental Services Agency shall review the permit application to determine compliance with the approved Performance Criteria. Approval of the storm water permit application by the Mecklenburg County Land Use and Environmental Services Agency is required prior to the initiation of land disturbing activities and said storm water permit application shall serve as the basis for all subsequent construction.