Plan Review Requirements

Site Plan Content

Site Data Table Information

• Parcel ID
• Parcel ownership
• Current zoning
• Proposed zoning (as applicable)
• Proposed use(s) – Square footage(s) of use(s)
• Number of units/bedrooms
• Building construction type
• Building lot coverage percentage
• Building height / # of Stories
• Building setbacks – required and proposed
• Parking spaces – # required, allowed, and proposed, handicap space and ramps
• Impervious coverage – existing and proposed
• CAMA land use classification
• Amount (sq ft) of disturbed area
• Estimated trip generation or TIA status (if determined)

Site Plan Information

(digital PDF copy required)

• Adjacent property owner information (names, zoning, land use, deed book)
• Tree inventory with certified arborist, urban forester, or professional landscape architect identified (protected trees, size and species) overlaid on proposed improvements
• Existing impervious areas (buildings, paved areas, sidewalks)
• Existing utilities (water, sewer, power, etc)
• Topography (1’ contour intervals)
• Proposed buildings
• Proposed streets (public or private)
• Proposed parking areas, sidewalks, driveways (including dimensions for TSSM compliance)
• Proposed stormwater control measures (schematic)
• Wetlands (delineated by a qualified professional)
• All flood plain areas with zone and elevation noted (if available)
• 100-year flood plain boundary
• All surface waters (ditches, creeks, and streams)
• Existing drainage easements and pipes
• Existing utility and access easements
• CAMA Areas of Environmental Concerns
• CAMA land use classification boundaries
• Conservation resources
• Historic and archaeological sites

Site Plan Content

All Plan Sheets

• Vicinity/Location map
• True North (toward top of sheet)
• Scale (graphic and numeric)
• Date of preparation and all revisions
• Title block – Project name and address, ownership name and contact information, designer/engineer name and contact information
• Property boundaries and lot lines with bearings and distances (existing/proposed)
• Public rights-of-way and easements (existing and proposed)
• Limit of disturbance
• Utility connections (water, sewer, culverts, drains, etc.) showing size and direction flow
• Required and proposed sidewalks
• Delineate the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal waters, and any coastal wetlands landward of the MHW or NHW lines.
• Delineated vegetative buffer landward from all surface waters
• Conservation resources and setbacks
• Street and driveway locations and dimensions
• Location of Stormwater Control Measures & Appropriate outfall
• Location of mail kiosk or collection box unit

Notes

• Contractor shall maintain an all-weather access for emergency vehicles at all times during construction
• Landscaping or parking cannot block or impede the FDC or fire hydrants. A 3-foot clear space shall be maintained around the circumference of the hydrant and FDC
• Additional fire protection and accessibility requirements may be required due to any special circumstances concerning the project.
• Contractor shall submit a Radio Signal Strength Study for all commercial buildings that demonstrates that existing emergency responder radio signal levels meet Section 510 requirements of the 2018 NC Fire Code.
• New hydrants must be brought into service prior to combustible materials delivered to the job site
• Prior to any clearing, grading, or construction activity, tree protection fencing will be installed around protected trees or groves of trees. No construction workers, tools, materials, or vehicles are permitted within the tree protection fencing.

Existing Conditions

• Adjacent property owner information (names, zoning, land use, deed book)
• Tree inventory with certified arborist, urban forester, or professional landscape architect identified (protected trees)
• Existing impervious areas (buildings, paved areas, sidewalks)
• Existing utilities (water, sewer, power, etc)
• Topography (1’ contour intervals)
• Wetlands (delineated by qualified person)
• All flood plain areas with zone and elevation noted (if available)
• 100 year flood plain boundary
• All surface waters (ditches, creeks, and streams) and their classification
• Existing drainage easements and pipes
• Soil types
• CAMA Areas of Environmental Concerns
• CAMA land use classification boundaries
• Conservation resources
• Historic and archaeological sites

Site Layout Plan Data Table

• Tax Parcel Identification Number
• Total acreage within the project boundary
• Zoning
• Proposed use
• Setbacks of Building (required and proposed)
• Building size with square footage
• Calculations for building lot coverage
• Number of units
• Number of buildings
• Building height(s)
• Number of stories and square feet per floor
• Total amount and percent of impervious surface areas
• Off street parking calculations (required, proposed, and basis for determination)
• Bicycle parking spaces (required/proposed)
• CAMA land use classification
• Method of handling solid waste

Site Layout Plan

• Building footprints (riser rooms and ingress/egress identified)
• Tree removal plan, overlaid with proposed improvements
• Proposed impervious areas (buildings, paved areas, sidewalks)
• Location and dimensions of on-site pedestrian and vehicular access ways
• Parking areas
• Loading and unloading facilities
• Designs of ingress and egress of vehicles to and from the site
• Curb and sidewalk lines
• Internal curb radii
• Finished floor elevations
• Dimensions of all structures
• Building entrances
• Water/Sewer mains and connections
• Bicycle parking spaces and locations
• Dumpster location and screening
• Location and dimension of all fencing and screening.
• All offsite improvements (e.g. sidewalks)
• Site lighting (location, height, direction, fixtures) (as applicable)

Grading Plan

• Existing topography (1’ contour intervals)
• Proposed topography (1’ intervals) resolved with existing grades
• Soil erosion and sedimentation control measures (e.g. fencing)
• For parking areas, spot elevations provided at top of curb and edge of pavement every 200 ft and at all grade breaks
• For roadways, spot elevations are provided at the top of curb, edge of pavement and at the centerline every 200 ft and at all grade breaks (profiles w/ typical road section acceptable)
• For driveways, spot elevations provided along the edge of pavement, along both sides of the sidewalk and 5-10’ inside the sidewalk to show grade transitions.
• Proposed roadways with a longitudinal slope between 0.3 – 7.0%
• Proposed driveway slopes: 15% max (residential) 8% max (commercial)
• ADA compliant sidewalk and ramps shown with spot elevations to demonstrate constructability.
• All proposed stormwater management structures shown (pipes, culverts, swales, ditches, SCMs etc.)
• Size, slope and cross section provided for all proposed swales
• 10’ (min) maintenance and access shoulder and 5’ (min) landscape buffer provided around the perimeter of open basin type stormwater SCMs (wet ponds, infiltration basins, stormwater wetlands etc.) Limits of Disturbance delineated
• All vegetated side slopes are 3 to 1 or flatter or stabilization method provided
• Show trees to be removed and preserved. Show grading does not conflict with tree preservation
• Tree protection fencing

Storm Pipes and Catch Basins

• Sizes, lengths, inverts and slopes shown for all proposed pipes (provide chart if necessary)
• Stormwater collected minimum of 10 ft behind the property line. Runoff may not sheet flow over a sidewalk
• Roof drains are directed to stormwater system
• All storm pipes greater than 12” in diameter
• Storm pipes greater than 10 ft from buildings
• Storm pipes greater than 5 ft from utilities
• Manhole and inlet spacing < 400 ft (< 60” pipes)
• Cover meets DOT minimum for class III RCP (or others per manufacturer specifications)
• Curb Inlets located at upstream sides of intersecting streets (no flow across intersecting street or around corners)
• Center of inlets min 5 ft from point of tangent on public streets
• If using 24” curb, a 24” grate must be used. Grate may not protrude beyond edge of pavement.
• Headwalls or flared end sections are provided at all pipe inlets and outlets
• Easements shown for public drainage across private property and meet the width requirements specified on page 5-3 of the technical standards
• Energy Dissipaters designed for the 10-yr flow provided at each outlet
• Appropriate outfall provided for each system (r/w, drainage easement or naturalized channel)

Utility Plan

• Meters, valves, cleanouts etc. in public right of way shall not be located in sidewalk or driveway
• 18” setback required for above ground facilities from back of curb or driveway
• 24” Vertical separation of Sanitary Sewer from storm drains otherwise DIP or structural bridging required.
• Fire hydrants (w/i 500’ of building for residential, w/i 300’ of building for commercial, w/i 150' of the FDC)
• Building construction type based on International Building Code (IBC).
• Fire Department Connection (FDC) location (if building sprinkler system employed). FDC must be within 40' of fire apparatus placement.

Standard Details

• Driveways (appropriate to development type) Road cross-sections
• City standard driveway detail (appropriate for type of development)
• Appropriate details (NCDOT or City Standard) for all drainage structures proposed
• Typical road section (if applicable)
• Pavement section(s)
• Typical sidewalk and curb ramp details
• Edge treatment details (curbing, wheel stops, turn-down sidewalk)
• Energy dissipater detail
• Stormwater SCM details
• Tree protection
• Dumpster screening

Landscape Plan

• Locations, dimensions, and square footages of required buffer yards, parking lot landscaping, streetyards, perimeter landscaping, and foundation plantings.
• Details of required landscaping showing species, dimensions, and spacing of planted materials and the use and protection of existing vegetation.
• All existing and proposed utilities and if applicable, their associated easements.
• Location and square footage of structures and parking lots.
• Adjacent zoning districts.
• Approximate locations of all trees greater than eight (8) inches DBH within required buffers and of all areas of natural vegetation to be used as part of the buffer.
• Setbacks of all structures and specifications and shielding of certain uses, as required.
• Locations of any conservation resources associated with the parcel including any rare and endangered species in accordance with the North Carolina Wildlife Resources Commission.
• Proposed schedule for landscaping.
• Approximate location of all existing protected trees clearly indicating those to be retained and those proposed for removal and all trees to be planted on site to meet any mitigation requirements.
• Triangular sight distance.
• Landscape plan shows how BMP landscaping conforms to SD 15-16 (for all infiltration basins and wet ponds)
• SCM landscaping meets requirements of NCDEQ Stormwater SCM manual
• 5-10’ landscape zone as required by Sec. V-4(g) of the technical standards
• Temporary and permanent vegetative stabilization methods and including seedbed preparation. Must be appropriate for this area

Note: All federal, state and local permits are required prior to full construction release. This includes, but is not limited to: tree protection, erosion control, wetland impacts, city storm water, CAMA, etc.

Preliminary Plan Content

• Boundaries of the entire contiguous tract, distinctly and accurately represented with all bearings and distances shown;
• Proposed streets, existing and platted streets on adjoining properties and in the proposed subdivision, and rightsof-way widths;
• Proposed street names (must be unduplicated county-wide);
• All proposed paths or trails, buffer, gas, electric or communications easements or rights-of-way, their location, width and purposes;
• Existing and proposed lot lines, both on the tract to be subdivided and on adjoining properties; Corporate limits, township boundaries and county lines;
• All lots numbered consecutively within each block;
• Location and size of all proposed parks, school sites, open space set aside, and designation of future ownership and dedication;
• The names of owners of adjoining lots and the name of any adjoining subdivisions (of record or under review);
• North arrow, noted whether true or magnetic;
• Numeric and graphic scale;
• The scale shall be one inch equal to 100 feet, or other scale acceptable to the city manager.
• A sketch vicinity map showing the relationship between the proposed subdivision and the surrounding area at a scale of approximately one (1) inch to 2,000 feet;
• Title block to include:
  • Proposed name of subdivision;
  • Location by municipality, township, county, and state;
  • Name and address of developer;
  • Name and address of individual or firm preparing the plans; and
  • Sheet number;
• Current accurate topographic information based on mean sea level datum, with contour interval of two (2.0) feet;
• A standard typical street cross section, or a nonstandard street cross section that includes all the following:
  • Scale of one (1) inch equals ten (10) feet, or other scale acceptable to the City Manager, with scale noted;
  • Roadway width;
  • Street right-of-way width;
  • Roadway pavement and base (type and thickness);
  • Curb and gutter;
  • Sidewalks (type, width and thickness);
  • Sidewalk area and plaza (if sidewalks are not constructed);
  • Crown of roadway (centerline grade in reference to curb grade);
  • Sidewalk and plaza grade;
• General location, with size noted, of existing water, sewer, or storm drainage lines or systems in the immediate or adjacent area, which includes, but is not limited to, pumping stations, manholes, catch basins, etc.
• General locations only, with sizes or other information noted, of proposed water lines, fire hydrants, valves, sewer lines, storm drainage lines, manholes, catch basins, force mains, pumping stations, or any other system intended to or proposed to serve the development, showing tie-in locations to existing systems.
• Sidewalks shall be indicated on the preliminary plan in accordance with provisions of Section 18-494 of the Land Development Code.
• Facilities required by any transportation plan adopted by the city or the Wilmington Metropolitan Planning Organization, shall be shown on the preliminary plan.