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Indian Trail City Zoning Code

DIVISION 1700

APPENDICES

Chapter 1710 Appendix 1: Trees And Shrubs

**This is not an inclusive list. Other species that can grow in cold hardiness zone 7b and/or are otherwise not listed on NCDOT’s or the USDA’S invasive species list are permitted upon review and approval of Staff.

Table 1700-1: Recommended Large and Medium Deciduous Trees

Common Name
Latin Name
Mature Height And Spread (Feet)
LARGE MATURING DECIDUOUS TREES
Ash, Green1
Fraxinus* pennsylvanica
50-60; 25-30
Baldcypress
Taxodium distichum
50-70; 20-30
Birch, River
Betula nigra
40-70; 40-60
Hackberry, Common
Celtis occidentalis
40-60; 40-60
Hackberry, Sugar
Celtis laevigata
60-80; 60-80
Ginkgo
Ginkgo biloba
50-80; 50-80
Maple, Red
Acer rubrum
40-60; 25-40
Maple, Sugar
Acer saccaharum
60-75; 40-50
Oak, Laurel Quercus hemisphaerica (laurifolia) 50-75; 40
Oak, Northern Red
Quercus rubra
60-70; 45-60
Oak, Pin
Quercus palustris
50-70; 40
Oak, Sawtooth2
Quercus acutissima
40-60; 40-60
Oak, Shumard
Quercus shumardii
50-75; 40
Oak, Southern Red
Quercus falcata
70-80; 50-60
Oak, Water
Quercus nigra
50-80; 50-80
Oak, White
Quercus alba
50-80; 50-80
Oak, Willow
Quercus phellos
40-80; 40
Pagoda Tree, Japanese
Sophora japonica
50-60; 40-60
Poplar, Tulip
Liriodendron tulipifera
70-90; 30-50
Sycamore, American
Platanus occidentalis
75-100; 75-100
Willow, White
Salix alba
75-90; 50-70
Zelkova, Japanese2Zelkova serrata
50-80; 50-75
MEDIUM MATURING DECIDUOUS TREES
Black Gum/TupeloNyssa sylvatica
30-50; 20-30
Carolina SilverbellHalesia tetraptera
30-40; 20-35
Dogwood, Flowering
Cornus florida
15-35; 20-35
Dogwood, Kousa
Cornus kousa
20-35; 15-25
Redbud, Eastern
Cercis canadensis
20-30; 15-30
Hornbeam, European
Carpinus betulus ‘fastigiata’
40; 25-35
Katsura Tree
Cercidiphyllum japonicum
40-60; 25-30
Magnolia, Saucer
Magnolia soulangiana
20-30; 20-25

1 Species with many varieties. 2 Species may become invasive and should be planted with care.

Table 1700-2: Recommended Small Deciduous Trees, Large Deciduous Shrubs and Evergreens

Common Name
Latin Name
Mature Height And Spread (Feet)
SMALL MATURING DECIDUOUS TREES
Chastetree
Vitex negundo
15-20; 15
Cherry, Japanese
Prunus serrulata
15-25; 15-25
Cherry, Yoshino Prunus x yedoensis
30-45; 25-40
Cherry-Laurel, Carolina
Prunus caroliniana
20-40; 15-25
Crabapple, Flowering
Malus spp.
7-25; 15
Higan Cherry, Japanese Weeping
Prunus subhirtella
20-30; 15-25
Crape Myrtle
Lagerstoemia indica
15-25; 15
Hawthorn
Crataegus sp.
15-30; 25
Magnolia, Sweetbay
Magnolia virginiana
10-20, some var. larger; 10-20
Magnolia, Star
Magnolia stellata
15-20; 10-15
Maple, Amur
Acer ginnala
15-20; 20
Maple, Hedge
Acer campestre
20-30; 20-30
Maple, Japanese
Acer palmatum
15-25; 20
Serviceberry
Amelanchier sp.
10-20; 8-15
Smoketree
Cotinus coggyria
10-15; 10-15
LARGE MATURING DECIDUOUS SHRUBS
Althea
Hibiscus syriacus
8-12; 6-10
Burkwood Viburnum
Viburnum X burkwoodii
8-10; 6-8
Common Fig Tree
Ficus Carica
10-20; 10-20
Common/Fragrant LilacSyringa vulgaris
10-12; 6-8
Common Witch-hazel
Hamamellis virginiana
15-30; 15-20
Doublefile Viburnum
Viburnum plicatum
8-10; 10
Fringetree
Chinonanthus virginicus
12-20; 8-12
Possumhaw
Ilex decidua
10-15; 3-10
Silverberry
Eleagnus commutata
10-12; 10
EVERGREENS
Cherry-Laurel, CarolinaPrunus caroliniana
40; 15-25
Eastern Red CedarJuniperus virginiana
40-50; 8-20
Holly, American
Ilex opaca
30-50; 15-25
Holly, Chinese (Tree Form)
Ilex cornuta
15-25; 15-25
Holly, Foster
Ilex X attenuata ‘fosteri’
20-30; 8-12
Holly, Hume
Ilex opaca‘Hume #2’
30-50; 15-20
Holly, Nellie R. Stevens
Illex X 'Nellie R Stevens'
15-25; 10-15
Holly, Savannah
Ilex X attenuate ‘Savannah’
25-35; 6-10
Holly, Yaupon
Ilex vomitoria
15-20; 15-20
Loquat
Eriobotrya japonica
10-30; 15
Magnolia, Southern
Magnolia grandiflora
60-80; 30-40
Myrtle, Wax
Myrica cerifera
15-25; 15-25
Pine, Loblolly
Pinus taeda
60-90; 25-35
Pine, Shortleaf
Pinus echinata
80-100; 30-50
Spruce, Norway
Picea abies
40-60; 25-30

1. This is a species with many varieties. 2. Species may become invasive and should be planted with care.

Table 1700-3: Recommended Trees for Parking Lots and Paved Areas

Common Name
Latin Name
Mature Height and Spread (Feet)
Maple, Hedge
Acer campestre
20-30; 20-30
Maple, Amur1
Acer ginnala
15-20; 20
European Hornbeam Carpinus betulus ‘fastigiata’
40-60; 15-30
Katsuratree
Cercidiphyllum japonicum
40-60; 30
Cornelian Cherry
Cornus mas
20-25; 15-20
Cockspur Hawthorne
Crataegus crusgalli
25; 25
Cypress, Arizona
Cupressus glabra
40-50; 25-30
Ash, Green2
Fraxinus pennsylvanica
50-60; 25
Ginkgo
Ginkgo biloba
50-80; 25-40
Honeylocust
Gleditsia triacanthos
40-80; 30-40
Holly, Foster
Ilex X attenuate ‘fosteri’
20-30; 8-12
Holly, Savannah
Ilex X attenuate
30-45; 6-10
Juniper, Chinese
Juniperus chinensis
Many varieties, variable heights and spreads
Juniper, Rocky Mountain Juniperus scopulorum
30-40; 10-15
Eastern Red Cedar
Juniperus virginiana
40-50; 8-20
Goldenraintree
Koelreuteria paniculata30-40; 30-40
Japanese Crape Myrtle
Lagerstroemia fauriei
30; 30
Magnolia, Southern Magnolia grandiflora
60-80; 30-40
Magnolia, Sweetbay Magnolia virginiana
10-20; 10-20
Crabapple, Siberian
Malus baccata
25-35; 15-25
Crabapple, Japanese Flowering Malus floribunda
18-25; 15-25
Hophornbeam, American
Ostrya virginiana
25-40; 20-30
Persian, Parrotia
Parrotia persica
25-40; 15-30
Pistache, Chinese
Pistacia chinensis
25-40; 25-35
Oak, Sawtooth2
Quercus acutissima
40-60; 40-60
Oak, Scarlet Quercus coccinea
60-80; 40-60
Oak, Overcup
Quercus lyrata
45-70; 30-50
Oak, Swamp Chestnut
Quercus michauxii
60-80; 45
Oak, Chinese Evergreen
Quercus myrsinifolia
20-40; 30-40
Oak, English
Quercus robur
50-70; 40-60
Oak, Pin
Quercus palustris
50-70; 40
Japanese PagodatreeSophora japonica
50; 40-60
PondcypressTaxodium ascendens
50-60; 10-15
Arborvitae, EasternThuja orientalis
40-60; 10-20
Arborvitae/Red Cedar, Western Thuja plicata
50-60; 15-20
Elm, Lacebark Ulmus parvifolia
25-40; 40-50
Chaste Tree Vitex agnu-castus
20; 20
Japanese Zelkova1
Zelkova serrata
50-80; 50-75

1 Species may become invasive and should be planted with care. 2 Native species.

Table 1700-4: Recommended Street Trees

Common Name
Latin Name
Mature Height and Spread (Feet)
LARGE MATURING DECIDUOUS TREES OVER 40 FEET TALL
Minimum 8 feet planting strip required (As measured inside of the curb/natural space)
DECIDUOUS TREES
Ash, Green1
Fraxinus* pennsylvanica
50-60; 25
Baldcypress
Taxodium distichum
50-70; 20-30
Birch, River
Betula nigra
40-70; 40-60
Eastern Red Cedar1
Juniperus virginiana
40-50; 8-20
Gingko, ‘Princeton Sentry’ Gingko, biloba ‘Princeton sentry’
45; 15-35
Hackberry, Sugar
Celtis laevigata
60-75; 50-65
Honeylocust
Gleditsia triacanthos
40-80; 30-40
Japanese Pagodatree
Sophora japonica
50-80; 50-80
Japanese Zelkova2
Zelkova serrata
50-60; 45-50
Maple, Red
Acer rubrum
70-80; 30-40
Maple, Sugar
Acer saccharum
60-75; 40-50
Oak, Southern Red
Quercus falcata
60-80; 60-70
Oak, Willow1
Quercus phellos
40-60; 30-40
Poplar, Tulip
Liriodendron tulipefera
70-80; 30-40
Redwood, Dawn
Metasequoia glyptostroboides
70-100; 15-25
MEDIUM MATURING DECIDUOUS TREES UP TO 40 FEET TALL
Minimum 6 feet planting strip required (As measured from the inside of the curb/natural space)
Black Gum/Tupelo1
Nyssa sylvatica
30-50; 20-30
Carolina Silverbell1 Halesia tetraptera
30-40; 20-35
Chinese Pistache
Pistacia chinensis
25-40; 25-35
Elm, Lacebark
Ulmus parvifolia
25-40; 40-50
Dogwood, Kousa
Cornus kousa
20-35; 15-25
Hawthorn, Green
Crataegus viridis ‘Winter King’
25-35; 25-35
Holly, Nellie R. Stevens
Ilex X ‘Nellie R. Stevens’
15-25; 10-15
Holly, Savannah
Ilex X attenuate ‘Savannah'
25-35; 6-10
Hornbeam, European
Carpinus betulus ‘fastigiata’
35-40; 15-30 (This is an upright, semi-maturing variety ideal for street tree planting)
Oak, Chinese Evergreen
Quercus myrsinifolia
20-30; 20-30
SMALL MATURING DECIDUOUS TREES UNDER 30 FEET TALL
Minimum 4 feet or more planting strip required (As measured from the inside of the curb/natural space)
Common/Fragrant Lilac
Syringa vulgaris, also reticulata
10-12-15; 8-12
Crabapple, Japanese Flowering Malus floribunda
7-25; 15
Crapemyrtle, Common Lagerstroemia indica and potentially others upon prior approval 15-30; 15
Dogwood, Pagoda
Cornus alternifloria
20-30; 20-30
Fringtree1Chinonanthus virginicus
12-20; 8-12
Fringetree, Chinese Chinonanthus retusus
15-25; 10-20
Hornbeam, American
Carpinus caroliniana
20-30; 15-20
Magnolia, Little Gem
Magnolia grandiflora ‘Little Gem’
20-30; 10
Magnolia, Saucer
Magnolia X soulangiana
20-25; 20-25
Maple, Amur
Acer ginnala
15-20; 20
Maple, Hedge
Acer campestre
20-30; 20-30
Maple, Trident
Acer bauergeranum
20-30; 20-30
Redbud, Chinese
Cercis chinesis
10-30; 10-30
Redbud, Eastern1Cercis canadensis
20-30; 15-30
Serviceberry1
Amelanchier spp.
10-20; 8-15
Wax Myrtle Myrica cerifera
15-25; 20-25

1. Indicates native species. 2. Species may become invasive and should be planted with care. 3. Additional tree species may be proposed for consideration by Town staff with a recommendation by a licensed arborist, landscape architect, or other qualified tree expert documenting why the species is appropriate within the planted space. Street tree planting spaces of less than 4-ft in width may generally be appropriate for use as a grass strip, shrub area, and/or the planting of appropriate small understory/flowering trees.

Table 1700-5: Invasive or Exotic Species in North Carolina: Severe Threat (SHOULD NOT BE PLANTED)

COMMON NAME
LATIN NAME
Tree of Heaven
Ailathus altissima
Mimosa, Silktree Albizia julibrissen
Oriental Bittersweet
Calastrust orbiculatus
Pampas Grass
Cortaderia selloana
Russian Olive
Eleagnus angustifolia
Autumn Olive
Eleagnus umbellata
Sericea, Bushclover
Lespedeza cuneata
Chinese Privet
Ligustrum sinense
Japanese Honeysuckle
Lonicera japonica
Leatherleaf Mahonia
Mahonia bealei
Chinese Silvergrass
Miscanthus sinensis
Japanese Stillgrass Microstegium vimineum
Sacred Bamboo
Nandina domestica
Princess Tree
Paulownia tomentosa
Multiflora Rose
Rosa multiflora
Japanese Spiraea
Spiraea japonica
Periwinkle, Vinca
Vinca spp.

Table 1700-6: Significant Threat (SHOULD NOT BE PLANTED ADJACENT TO NATIVE FOREST)

COMMON NAME
LATIN NAME
Burning Bush
Euonymus alata
Winter Creeper
Euonymus fortunei
English Ivy
Hereda helix
Japanese Privet
Ligustrum japonicum
Common Privet
Ligustrum vulgare
White Mulberry
Morus alba
Bradford Pear
Pyrus calleryana
Chanticleer Pear
Pyrus calleryana
Chinese Wisteria
Wisteria sinensis
Japanese Wisteria
Wisteria floribunda

Pruning Standards Pruning Standards: The ANSI pruning standards have been drafted to address pruning specifications across all geographic areas. Knowledge of the growth of tree species within a given environment may alter how the recommendations are interpreted. The following information is designed to help readers understand exactly what will be accomplished in a pruning operation.

Table 1700-7: Pruning Standards

Branch Specifications Branch Size
Minimum or maximum diameter size of branches to be removed should be specified
Pruning Objectives

Hazard Reduction Pruning

Recommended when the objective is to reduce the danger caused by visibly defined hazards. E.g. Removing dead limbs hanging over a park bench.

Maintenance Pruning Recommended when the primary objective is to maintain or improve tree health.
Pruning TypesCrown Clearing
Selective removal of dead, dying or diseased branches, weak branches or water sprouts.
Crown Thinning
Selective removal to increase light penetration, air movement, and to reduce weight.
Crown Raising
Removal of lower branches to provide clearance.
Crown Reduction or Shaping
Pruning to decrease height and/or spread of a tree. Amount dependent on tree species.
Vista Pruning
Selective thinning of framework limbs or specific areas of crown to allow views from specific spots.
Crown Restoration
Designed to improve structure, form, and appearance of trees that have been severely headed, vandalized, or storm damaged.

Table 1700-8: Caliper to Height Ratios for Deciduous Trees

Caliper in InchesStandard Shade Trees Average RangeSlow Growing TreesSmall Upright Average Range
Maximum
Minimum
5/16



2 to 3
7/16



3 to 4
9/16



4 to 5
11/16



5 to 6
7/8



6 to 8
1/2 to 3/4
5 to 6
83.5
3/4 to 1
6 to 8104
1 to 1 1/4
8 to 10115.5
1 1/4 to 1 1/2
8 to 10125.5
1 1/2 to 1 3/4
10 to 12146.5
1 3/4 to 2
10 to 12146.5
2 to 2 1/2
12 to 14168
2 1/2 to 3
12 to 14168
3 to 3 1/2
14 to 16189.5
3 1/2 to 4
14 to 16189.5
4 to 5
16 to 182210.5
5 to 618 and up2612

Table 1700-9: Height to Spread Ratios for Coniferous Nursery Trees

Height in Inches
Spread Range in Inches
12 to 15
8 to 12
15 to 18
9 to 15
18 to 24
12 to 18
24 to 30
15 to 21
30 to 36
18 to 24
36 to 48
21 to 30
48 to 60
30 to 36
60 to 77
36 to 48

Equation 1: Height to Spread ratio should be no less than 2:1.

Chapter 1720 Appendix 2: O-PED, Pre-Existing Development Overlay


REGULATIONS GOVERNING PLANNED DEVELOPMENT AND CONDITIONAL USE DISTRICTS APPROVED PRIOR TO DECEMBER 30, 2008. ALL SUCH PLANNED DEVELOPMENTS SHALL BE IDENTIFIED ON THE OFFICIAL ZONING MAP WITH THE PRE-EXISTING DEVELOPMENT OVERLAY.

Chapter 1730 Appendix 3: Flood Damage Reduction Ordinance Contents

Chapter 1360 Flood Damage Reduction Ordinance13-17
1360.010 Statutory Authorization
13-17
1360.020 Purpose
13-17
1360.030 Definitions
13-18
1360.040 General Provisions
13-24
1360.050 Establishment of Floodplain Development Permit
13-24
1360.060 Compliance
13-25
1360.070 Abrogation and Greater Restrictions
13-25
1360.080 Interpretation
13-25
1360.090 Penalties for Violation
13-25
1360.100 Administration
13-25
1360.110 Floodplain Development Application, Permit and Certification Requirements
13-27
1360.120 Provisions for Flood Hazard Reduction
13-31
1360.130 Standards for Floodplains without Established Base Flood Elevations
13-36
1360.140 Standards for Riverine Floodplains with BFE but without Established Floodways or Non-Encroachment Areas
13-37
1360.150 Floodways and Non-Encroachment Areas
13-37
1360.160 Corrective Procedures
13-38
1360.170 Appeals and Variances
13-39
1360.180 Legal Status Provisions
13-42
1360.190 Effective Date
13-42
1360.200 Adoption Certification
13-42

Chapter 1740 Appendix 4: Post-Construction Storm Water Ordinance

Click on the ordinance link below to open Ordinance 0100608-112, Post-Construction Storm Water Ordinance.

HISTORY
Adopted by Ord. O100608-112 AN ORDINANCE AMENDING THE POST CONSTRUCTION STORM WATER ORDINANCE on 9/11/2007

Chapter 1750 Appendix 5: Policy On Retaining Wall Design And Construction

Introduction The 2009 North Carolina Building Code includes requirements for the design and construction of retaining walls. Specifically, Section 1806.2 states: Retaining systems providing a cumulative vertical relief greater than 5 feet in height within a horizontal distance of 50 feet or less, including retaining walls or mechanically stabilized earth walls, shall be designed under the responsible charge of the registered design professional. Retaining systems shall meet the requirements of Section 1610. Testing and inspection reports shall comply with Section 1704.1.2 and shall verify: 1. Foundation support system is adequate for the intended site conditions; 2. Measurement of the quantity of construction materials for conformance with specifications; 3. Determination of similarity of actual soil conditions to those anticipated in design; and 4. Examination of backfill materials and any drainage systems for compliance with plans and specifications. Scope of Requirements These requirements will apply to all commercial construction, which include retaining walls and grades falling within the criteria described in Section 1806.2. In addition, the Town will apply the criteria to residential projects where retaining walls impact public use or access areas. Design and submittal requirements: Option 1: Submit, as part of the site plan review drawing set, retaining wall drawings, fully designed and detailed, and sealed by a North Carolina Licensed Professional Engineer. Option 2: Site plan review drawing set to include location and design criteria (wall height and schematic wall cross section) for retaining walls only, along with the following statements: • “Design of all retaining walls is to be per North Carolina Building Code Section 1806.” • “Detailed retaining wall design drawings, sealed by a North Carolina Licensed Professional Engineer, will be submitted to the Town prior to construction.” • “A North Carolina Licensed Professional Engineer must perform construction observation, verifying in a sealed letter to the Town that retaining walls are constructed per the engineered drawings.” Construction Requirements Construction of retaining walls may proceed only after detailed retaining wall design drawings, sealed by a North Carolina Licensed Professional Engineer, are submitted to the Town. The Owner’s North Carolina Licensed Professional Engineer will perform construction observation. Upon completion of retaining wall construction, the Engineer will submit 1) a sealed letter to the Town, verifying the retaining walls are constructed per the engineered drawings, in compliance with Section 1806 of the NC Building Code, and 2) a copy of all special inspections reports in accordance with Section 1704.1.3 of the NC Building Code. Certificates of Occupancy will only be issued after receipt of the Engineer’s sealed letter and copy of the special inspections reports.

Chapter 1760 Appendix 6: Embankment Requirements

The following embankment specifications apply to all stormwater and water quality facilities with embankments that are designed to hold water, even if the embankment is designed to hold water only during a storm event: Fill Materials The following parameters apply to materials used to construct earthen embankments: Borrow material shall be classified as ML, MH, SC, SM, CL or CH soils according to the Unified Soil Classification System (ASTM D2487) or any mixture of these soils. Borrow materials shall have a liquid limit (LL) between 40 and 60 and a plasticity index (PI) between 15 and 30 (ASTM D4318). Materials shall be free of topsoil, organic or frozen material, roots, stumps, brush, rocks larger than 3.0”, subsoil, debris, vegetation, and other foreign matter. All material clods will be broken down with tillers and/or discs to provide a homogeneous soil that is free of clay clods greater than 3.0” in diameter. Construction The following steps apply to construction of an earthen embankment:

  1. Foundation Preparation
    1. Compact foundation to density requirements for subsequent fill materials.
    2. Cut out soft areas of foundation not capable of compaction in place.
    3. Scarify foundation surface to depth of 6.0”.
    4. Proof roll foundation to identify soft spots; fill and compact to density equal to or greater than requirements for subsequent fill material.
  2. Seepage Key Placement
    1. Seepage key trench will be located between embankment abutments.
    2. Seepage key shall extend to a minimum depth of 4.0’ or as required through geotechnical seepage analysis. A minimum bottom trench width shall be 10.0’ and the trench sidewalls shall be sloped or benched to promote stability and bonding between the sidewall soils and seepage key fill.
  3. Fill Placement
    1. Earthen embankment fill shall be constructed at 3:1 slopes or as shown on the drawings. Demonstration of appropriate safety factors against failure through geotechnical analysis shall be required for slopes steeper than 3:1.
    2. Fill soils shall be placed in loose lifts not to exceed 8.0” in thickness and be compacted to a minimum of 95% maximum dry density (Standard Proctor ASTM D698) with a moisture content within ±3% of the optimum, unless otherwise specified by the engineer.
    3. Fill soils should be placed in continuous, horizontal layers from abutment to abutment. Existing slopes greater than 4:1 shall be benched to promote bonding of newly placed fill with existing soils. Benching shall be performed at maximum of 2.0’ vertical intervals and shall extend a minimum of 4.0’ horizontally or as specified on Drawings.
    4. Within the upper 12.0” of earthen embankment, fill soils should be compacted to 100% of its Standard Proctor (ASTM D698) maximum dry density.
    5. Fill against supported structures. Do not fill against unsupported structures.
    6. Place fill simultaneously on each side of unsupported structures until supports are in place.
    7. Place a minimum of 6.0” of Planting Mix (Ref City of Charlotte Landscape Construction Standards) across dam embankment to promote vegetative growth.
  4. Outfall Pipe Fill Placement
    1. Fill of the culverts shall be placed and compacted in 6.0” thick loose lifts around the drop inlets and up to 2.0’ above the culverts.
    2. Compaction shall be performed by hand tampers or small hand operated compactors.
    3. Compaction shall be a minimum of 95% maximum dry density (Standard Proctor ASTM D698) with a moisture content within ±3% of the optimum, unless otherwise specified by the engineer.
    4. Additional compaction of lifts 2.0’ or greater above culverts shall conform to the Fill Placement section of this specification.
  5. Field Quality Control
    1. Laboratory Testing
      1. Perform laboratory material tests in accordance with ASTM D422, ASTM D698, ASTM D2216, and ASTM D4318.
      2. Test at a frequency of every 500cy of earthen embankment fill material placed, when materials used for embankment fill change, and/or as directed by the Engineer.
      3. Sample size shall be 50-lb.
    2. In-Place Compaction and Natural Moisture Content Tests
      1. Perform in place compaction tests in accordance with ASTM D1556, ASTM D2922, or ASTM D2937 and natural moisture content test in accordance with ASTM D2216.
      2. Frequency of compaction/natural moisture content tests: Embankment Fill: Each lift at a minimum frequency of 1 per 2,500 sq. ft. Pipe Installation: Each lift at a minimum frequency of 1 per 30 lf of pipe.
      3. When tests indicate work does not meet specified requirements, remove work, replace, rework, recompact, and retest.

Allowable Variances Earthen embankment specifications may be modified based on site-specific geotechnical investigation and engineering design. References

Charlotte-Mecklenburg BMP Design Manual

City of Charlotte Landscape Construction Standards

ASTM D422 - Standard test Method for Particle-Size Analysis of Soils (Grain Size with Hydrometer)

ASTM D698 - Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft-lbf/ft3).

ASTM D1556 – Standard Test Method for Density of Soil In-Place by the Sand-Cone Method.

ASTM D2216 - Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass.

ASTM D2487 – Standard Practices for Classification of Soil for Engineering Purposes (Unified Soil Classification System)

ASTM D2922 - Standard Test Method for Density of Soil and Soil-Aggregate In-Place by Nuclear Methods (Shallow Depth).

ASTM D2937 - Standard Test Method for Density of Soil In-Place by the Drive-Cylinder Method Test.

ASTM D4318 - Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils.

Chapter 1770 Appendix 7: Downstream Impact Analysis

(The Ten Percent Rule)

Introduction The ten-percent rule recognizes the fact that a structural control providing detention has a “zone of influence” downstream where its effectiveness can be observed. Beyond this zone of influence the structural control becomes relatively small and insignificant compared to the runoff from the total drainage area at that point. Based on studies and master planning results for a large number of sites, that zone of influence is considered to be the point where the drainage area controlled by the detention facility comprises 10% of the total drainage area. For example, if the structural control drains 10 acres, the zone of influence ends at the point where the total drainage area is 100 acres or greater. Prior to initiating a downstream impact analysis, a scoping meeting must be coordinated with the Engineering Department to develop an understanding regarding the modeling software, design criteria, limits of the study, acceptable assumptions, report format, and required deliverables. These studies are intended to be used to determine the impacts that the increase of stormwater runoff creates from the site through the zone of influence. General Requirements

  1. Hydrologic Analysis
    1. Using a topographic map, identify the point at which the drainage area of the development or redevelopment becomes less than ten-percent of the total watershed area (10% point).
    2. Using a hydrologic model (e.g. HEC-HMS) determine the pre-development peak discharges for the 50- and 100-year storm events and the timing of those peaks at each tributary junction beginning at the detention facility outlet and ending at the next tributary junction beyond the 10% point. Key detention structures in the zone of influence must be modeled. An approximate curve number should be used since the actual peak flow is not critical for initial analysis, only the change in flows is important. However, an accurate estimate of the time of concentration is essential.
    3. Change the site land use to post-development conditions and determine the peak discharges for the 50- and 100-year storm events.
    4. On a topographic map, show the pre and post development flows, the change in flows in cfs and in percentage at all hydrologic modeling locations.
    5. Provide a written assessment of flow increases.
  2. Hydraulic Analysis
    1. If the hydrologic analysis indicates probable detrimental impacts to existing buildings, habitable structures, or culverts, a detailed hydraulic study must be provided. The study shall include hydraulic grade lines for open channel flow areas for the post-development 50- and 100-yr storm events using a standard step backwater hydraulic model (e.g. HEC-RAS).
    2. Using topographic maps provide a flood inundation map for the critical structures within the study area.
    3. Stream cross-sections, impacted buildings, habitable structures, and culvert crossings must be field surveyed.
    4. Provide a written assessment of flood elevation increases.

Chapter 1780 Appendix 8: Unified Development Ordinance Text Amendments

ZT #
Ordinance #
Date
UDO Section
Description of Amendment
2009-001
0090811-89
8/11/09
1210.040(B) (2);
230.060;
810.040(E)
1. Allows for addition of at least a 30% baseline for open space subdivisions that are not serviced by public water and sewer. 2. Allows for the Planning Director the discretion to “bump up” a particular nonresidential use or a nonconforming use in a residential zone to a Special Use Permit (SUP). 3. Allows for the flexibility to move the required 10 foot vegetative buffer between shared driveways to either side of the lot or the front lot line in non-residential areas.
2009-002
0090609-83
6/9/09
Division 900; 1650.130
1. Changes the definition of “changeable copy” sign. 2. Changes criteria for temporary signs. 3. Modifies the sign area allocation for the commercial and institutional sign tables.
2009-003
0090714-84
7/14/09
530.020(G);
7170
1. Includes indoor firearms shooting ranges in the Industrial Use Table. 2. Established a section for Indoor Firearm Shooting Ranges.
2009-004
0090811-88 8/11/09
1070.020
Corrects parking space dimensions for parallel parking.
2009-005
0090811-86
8/11/09
Division Title 400;
310.080(D);
230.040(A);
320.020(E)
1. Amends UDO Division Title 400 from “Administrative Permits” to read “Administrative and General Permit Requirements”. 2. Allows for appeals of final decisions of quasi-judicial bodies to the Superior Court. 3. Amended to state that a four-fifths vote of the members sitting on the Board of Adjustment is required of all decisions made by the Board in all matters. 4. Allows for actual notice on the part of the applicant to be provided by said applicant of zoning map amendment to be certified by the Town Council, along with a copy of the public hearing notice.
2009-006
0090908-91; 0091209-99 9/9/09
360.010;
360.030;
7180;
830.040(A);
13130
1. Exempts temporary event uses from the requirement that a written consulting report detailing appraisal values of the subject property. 2. Amends the ordinance to have the findings for an SUP to read in the affirmative. 3. Adds Chapter 7180 dealing with outdoor storage and sales uses. 4. Requires that any tree inventory/survey for any development review by performed by a certified arborist and/or licensed surveyor. 5. Adds regulations regarding trash enclosures and grease trap facilities.
2009-007
0091110-94; 0091208-100 11/10/09
Division 900,
various sections
1. Includes an “exempt sign” chapter and removed signs from the “signs note requiring a permit” chapter. 2. Amends 960.070, exempting emergency and public announcement signs. 3. Amends 1040.040(D) (E) amending wall façade areas and adding emergency response facilities.
2009-008
0091013-93
10/13/09
1610.070(B)(1);
1610.080(K)(5);
10.020(G);
440.010(F);
520.020(G);
440.020(D);
520.020(G)
1. Amends home-based day care occupancy requirements. 2. Defines animal foster care. 3. Includes animal foster care in the residential use table. 4. Removed the provision regarding off-site or detached signage as a part of the temporary use permit process. 5. Allows as permissible by-right dental and medical labs and similar uses to be a part of the Downtown Overlay District up to 1,500 sq. ft. Uses over 1,500 sq. ft. require SUP. 6. Allows for tent sales as temporary uses that are located at auto dealerships for up to 32 days in length, and allows such sales up to three times per calendar year. 7. Includes additions for any other high-volume and low-volume traffic generating uses to the use categories of Personal Service, Repair Service (Consumer), and Retail Sales (General).
2009-009
0090908-92
9/8/09
520.020(G)
Adds Religious Assembly as a use allowed by right within a multitenant structure within the commercial use table. Storefront location only.
2009-010

Pending

Inclusion of electronic gaming into the Permitted Uses Table.
2009-011
0100112-102
1/12/10
520.020(G);
7190;
1610.080
1. Adds ABC stores as an allowed use within the commercial use table. 2. Adds Chapter 7190, outlining ABC store requirements. 3. Adds section 1610.080 defining ABC Stores
2010-001
0100209-104
2/9/10
350.030(C);
350.070
1. Amends final plat size requirements for recording. Amends mapping requirements to be consistent with N.C.G.S. 47-30.
2010-002
0100223-105
2/23/10
9140.040(E)
Allows for internally illuminated, routed-back style signs within the Village Center Overlay Districts.
2010-003
0100413-107
4/13/10
7160
Amends Chapter 7160 regarding construction and design of Freestanding Facilities
2010-004
0100511-110
5/11/10
Division 900;
1650
1. Amends sign regulations for Hwy 74. 2. Establishes method for calculating the sign area for Channel Letter signs. 3. Consolidates and modifies existing sign definitions. 4. Establishes definitions for V-shaped signs.
2010-005
0100608-112
6/8/10
Addition of Appendix 4
Revision of Post-Construction ordinance and addition as Appendix 4.
2010-006
0100713-116
7/13/10
520.020(G)
Adds Wholesale Distribution as a use allowed by special use permit in the RBD district.
2010-007
0100810-117
8/10/10
1620.320
Further defines the term “dwelling unit”.
2010-008

Processed as ZT2012-002

Revision of childcare definitions.
2010-009

Withdrawn

Proposed inclusion of Downtown Overlay District into the Industrial Use Table.
2010-010
0110222-129
2/22/11
Chapter 1310; 1320
1. Provides additional protection for planned developments that do not have architectural requirements within associated approval documents for the development. 2. Clarifies the applicability of the requirements as it pertains to planned developments. 3. Clarifies and expands general requirements. 4. Restructures the non-residential architectural standards section.
2010-011
0101109-120
11/9/10
810.090; 880.040
Establishes a 45-day period in which the Parks, Trees and Greenway Committee has to review and make a recommendation for an alternative planting plan the Planning Director.
2010-012
0101214-124
11/9/10
510.020(G); 710.070;
1610.020
1. Amends residential permissible use table to allow accessory apartments by right. 2. Establishes usage standards for accessory apartments. 3. Defines the term accessory apartment.
2010-013
0101109-121
10/19/10
520.020(G);
520.030
1. Amends the permissible use table for commercial districts to add motion picture theatre and theatrical playhouse. 2. Amends building height requirements.
2010-014
0101109-122
11/9/10
630.010;
630.040
Amends requirements for development within Village Centers or for development permitted before the adoption of the UDO.
2010-015
0101109-123
11/9/10
1410.050;
1410.060
Amends Division 1400 to allow incremental improvements on nonconforming sites.
2010-016
0110222-128
2/22/11
510.020(G); 1610.030(K)
Modifies manufactured and modular home requirements and definitions.
2010-017
0110222-127
2/22/11
510.020(G); 1610.030(K)
Modifies manufactured and modular home requirements and definitions.
2011-001
0110510-132
5/10/11
Chapter 1330;
1660
Revised lighting ordinance and lighting definitions.
2011-002
0110426-131
4/26/11
Chapter 440
Adds provisions for temporary sales and construction trailers.
2011-003
0111109-139
11/9/11
Chapter7150;
1610.080;
520.020G
Requirements for the use-specific regulations regarding vehicles sales uses amended.
2011-004

Pending

Tree ordinance fees in lieu for heritage tree mitigation.
2011-005
0110510-133
5/10/11
Chapter 790;
990
Authorizes placement of off-site signs located adjacent to Hwy 74 for use of advertising specific venues.
2011-006
0110614-137
6/14/11
520.020(G)
Allows wholesale distribution by right for office/warehouse facilities built prior to adoption of UDO.
2011-007
0111129-141
11/29/11
1310.040;
1320.020;
1320.030
1. Requires EFIS to be applied according to NC Building Code. 2. Removes limitations of EFIS application on commercial buildings and requires EFIS to be applied according to NC Building Code. 3. Adds term “Industrial Park” as development subject to building design requirements.
2011-008

Pending

Amends Guarantee regulations
2011-009
0111129-140
11/29/11
1360; 1370
1. Amends Flood Damage Reduction Ordinance. 2. Amends Storm Water Management Ordinance.
2011-010
0111129-142
11/29/11
Establishes Appendix 5, 6, and 7
1. Establishes Appendix 5- Policy on Retaining Wall Design and Construction. 2. Establishes Appendix 6- Embankment Requirements. 3. Established Appendix 7- Downstream Impact Analysis.
2011-011
0120214-143
2/14/12
530.010;
530.020;
530.040;
1620
1. Permits ancillary service-type uses within business parks in Light Industrial District. 2. Adds Business Park within definitions section.
2012-001
0120313-145
3/13/12
960.070;
990.070;
9140.040;
5140.010 (O)
1. Requires a minimum of 10 minutes display time between messages on an LED sign. 2. Adds additional lot size criteria to the multi-tenant property allowable signage table 3. Amends the table of sign requirements. 4. Permits changeable copy signs within freestanding signs for Union County Public Schools.
2012-002
0120313-146
3/13/12
1610.070 (B);
520.020 (G)
1. Amends definitions for daycare. 2. Amends use tables to reflect new day care categories.
2012-004
0121009-155
10/9/12
310.030
1. Establishes a minimum 400 ft notification area for all applications other than the ones below. 2. Rezone applications that change the existing zoning from one land use category to another must use a 500 ft notification area and hold a community meeting prior to the Planning Board meeting.
2012-005
0120911-153
9/11/12
520.020 (G)
Allows for Building Contracting/Construction Office uses with a base zoning of General Business District or Regional Business District to be permitted to have outdoor operations within the Downtown Overlay District subject to Special Use Permit approval.
2012-006
0120911-154
9/11/12
520.020 (G);
530.020(G)
Amends Chapters 520 and 530-Business and Commercial and Industrial Zoning Districts to allow Wholesale Heavy and Light Equipment Sales/Rental uses in all commercial zoning districts and provides the correct use standard reference in the industrial districts.
2012-007
0130326-168
3/26/13
710.080
Amends sections of Chapter 710 Accessory Uses and Structures of the UDO to allow accessory residential uses in non-residential zoning districts within the Downtown Overlay District and to allow accessory residential uses for onsite caretakers in all non-residential zoning districts.
2012-008
O130611-173
6/11/13
1360
Amends Flood Damage Reduction of the UDO to correct the cross referencing within chapter
2013-001
O130326-164
3/26/2013
520.020 (G)
Amends Business and Commercial districts for the purpose of correcting a discrepancy in the allowed use of an Automotive Repair Shop, not including body work, parking and commercial repair, within the General Business Zoning Districts of the Town
2013-002



WITHDRAWN
2013-003
O131210-189
12/10/13
1360
Amend Chapter 1360 – Flood Damage Reduction Ordinance for the purpose referencing an updated Flood Insurance Study (FIS) and Digital Flood Insurance Rate Maps (DFIRM) dated February 19, 2014 within the Chapter.
2013-004
O131210-188
12/10/13
Chapters 230,310,380, 390 Amend Chapter 230 Participating and Voting, Chapter 310 Required Findings, Chapter 380 Hearings on Appeals, and Chapter 390 Interpretations to be in compliance with Session Law 2013-126; as passed by the General Assembly to update procedures for the Board of Adjustment.
2013-005
O140114-190
1/14/2014
Chapters 220,810,880, 1160,1640 Amend several sections of the Unified Development Ordinance (UDO) to help implement recent Town committee reorganizations.
2014-001
O140408-194
4/8/2014
Chapter 1360
Amends Chapter 1360 –Flood Damage Reduction Ordinance per the request of the State based on their review of recent amendments.
2014-002
O140513-199
5/13/2014
Chapters 520, 1610,7200 Amends Chapters 520 Business and Commercial Zoning Districts, 7200 Supplementary Use Regulations, and 1610 Use Groups and Categories to permit second hand thrift and consignment sale businesses within certain business and commercial districts and subject to certain standards.
2014-003
O140610-203
6/10/2014
520.020 (G)
To permit Sporting Goods Store within the Neighborhood Business District (NBD) and Central Business District (CBD) zoning classifications as well as the Downtown and Village Center Overlay Districts. The amendment also includes minor housekeeping modification to ensure consistency within the adopted land use table.
2014-004
O150127-027
1/27/2015
Chapter 1710
Amendments related to uses and types of permitted trees and shrubs in residential and commercial uses within Indian Trail.
2015-001
O150414-210
4/14/2015
Chapters 520, 530, 7210 and 1610
Amendments related to breweries, distilleries and wineries requirements in Indian Trail.
2015-002
O150609
6/9/2015
Chapters 520 and 1610
Amendments to enable the development and expansion of critical utilities with the Business and Commercial Districts to serve Indian Trail and; enable infrastructure investment in the commercial area of Indian Trail that will help foster economic development initiatives that ensure a more balanced tax base within our community.
2015-003
O6160112-231
1/12/2016
Chapters 830, 880, and 1640
Amendment to update the Heritage Tree Protection provisions: definitions and mitigation standards
2016-002
O160210-239
5/10/2016
Chapters 530 and 630
Industrial Uses within the Village Overlay Districts
2016-003
O160412-235
4/12/2016
Chapters 940 and 970
Amendment related to Temporary Grand Opening Banners
2016-004
O161011-247
10/11/16
Chapter 1100
Related to Private Streets
2016-005
O160613-242
6/28/2016
Chapter 520
Amendment related to exempting the Union County Crooked Creek Wastewater Treatment Plant from UDO requirements
2016-006
O160613-243
6/13/2016
Chapter 13130
Amendment related to the design of dumpster enclosures and grease trap facilities for existing buildings
2016-008
O161115-252
12/13/16
Chapter 440
Amendment related to Food Vendors
2016-010
O161213-255
12/13/16
Chapters 13140, 330, 350, 360 and 370
Amendment related to School Impact Studies
2019-0025
O190709-315
7/9/19
Chapter 530.020 (G)
Amendment to allow retail vehicle sales with no outdoor storage in Light Industrial (L-I) and the O-VCD districts.
2020-0086O200128-326
230.010, 230.030 and 230.040Amendment to increase Board of Adjustment members from 5 to 7 and eliminate alternate members.
2020-0121O210209-3472/9/2021Throughout OrdinanceAmendment to entire ordinance to 1) comply with NC's new Chapter 160D planning and development regulation statutes, and 2) incorporate other staff revisions.

O210209-347

O100608-112

O-PED-1-Planned Unit Developments

  1. Planned Unit Development Districts Established. The purpose of the P.U.D. district is to allow creative and harmonious mixtures of land uses, which are well planned and complimentary to each other. A mixed-use development taking place within a P.U.D. zoning district would eliminate the necessity of rezoning the underlying parcels to the various districts allowing such uses. Given that a variety of uses may be developed with a P.U.D. and to ensure that such uses are developed harmoniously with each other and with surrounding land uses, the initial approval of a development within a P.U.D. shall require a Conditional Zoning process. The minimum gross area for a P.U.D. development containing solely residential uses shall be twenty-five acres; for developments containing residential and non-residential uses, a minimum of a hundred contiguous acres shall be required outside of the Downtown Overlay. Development within a P.U.D. district shall require the use of stormwater detention as noted in Chapter 7 of the Indian Trail Storm Water Manual, to control the runoff to downstream properties. To encourage sustainable high quality development with conservation of natural and cultural features exception of setbacks as provided for in Section 141 may be approved by the Town Council on a case by case basis in conjunction with a Conditional Zoning submittal for a Planned Unit Development.
    1. There are hereby established twenty different planned unit development (P.U.D.) districts as described in this section. Each P.U.D. district is designed to combine the characteristics of at least three up to four zoning districts.
    2. One element of each P.U.D. district, excluding the Downtown Overlay District, shall be the medium density residential element. Here there are two possibilities, each one corresponding either to the R-20 or R-20 cluster residential districts. Within that portion of the P.U.D. zone that is developed for medium density residential purposes, all development must be in accordance with the regulations applicable to the medium density residential district to which the particular P.U.D. zoning district corresponds (except that planned residential developments shall not be permissible).
    3. A second element of each P.U.D. district shall be the higher density residential element. Here there are two possibilities, each one corresponding either to the R-8 or R-6 zoning districts described in Section 116 and Section 144. Within that portion of the P.U.D. district that is developed for higher density residential purposes, all development must be in accordance with the regulations applicable to the higher density residential district to which the P.U.D. district corresponds. Except as to lot size provided in clusters as described in Section 144.
    4. A third element of each P.U.D. district shall be the commercial element. Here there are three possibilities, each one corresponding either to the B-2, B-3 or Office district identified in Section 98. Within that portion of a P.U.D. district that is developed for purposes permissible in a commercial district, all development must be in accordance with the regulations applicable to the commercial district to which the P.U.D. district corresponds.
    5. A manufacturing/processing element may be a fourth element of any P.U.D. district. Here there are two alternatives. The first is that uses permitted within the L-I district would be permitted within the P.U.D. district. The second alternative is that uses permitted only within the H-C zoning districts would not be permitted. If an L-I element is included, then within that portion of the P.U.D district that is developed for purposes permissible in an L-I district, all development must be in accordance with the regulations applicable to the L-I district.
  2. P.U.D. Designations In accordance with the description set forth in subsection (a), the twenty P.U.D. districts shall carry the following designations to indicate their component elements:
    1. R-20 / R-8 / B-2 / LI
    2. R-20 / R-8 / B-2
    3. R-20 / R-8 / Office / LI
    4. R-20 / R-8 / Office
    5. R-20 / R-6 / B-2 / LI
    6. R-20 / R-6 / B-2
    7. R-20 / R-6 / Office / LI
    8. R-20 / R-6 / Office
    9. R-20 (Cluster) /R-8 / B-2 / LI
    10. R-20 (Cluster) / R-8 / B-2
    11. R-20 (Cluster) / R-8 / Office / LI
    12. R-20 (Cluster) / R-8 / Office
    13. R-20 (Cluster) / R-6 /R-8 /Office/B-2/B-3
    14. R-20 (Cluster) / R-6 / B-2
    15. R-20 (Cluster) / R-6 / Office / LI
    16. R-20 (Cluster) / R-6 / Office
    17. R-20 (Cluster) /R-8/R-6
    18. R-20 (Cluster) / R-6 (Cluster)/ R-8(Cluster)/Office/B-2/B-3/B-4
    19. R-6(Cluster), R-6, B-2 only in association with Section 137E
    20. Downtown Overlay District- Mixed Use
      1. No area of less than twenty-five contiguous acres may be zoned as a P.U.D. district, and then only upon the request of the owner or owners of all the property intended to be covered by such zone.
      2. As indicated in the Table of Permissible Uses (Section 106 and 103.5), a planned unit development is the only permissible use of a P.U.D. zone and planned unit developments are permissible only in such zones.
      3. Planned unit developments are subject to the requirements set forth in Section 116.
  3. Planned Unit Developments.
    1. In a planned unit development, the developer may make use of the land for any purpose authorized in a particular P.U.D. zoning district in which the land is located, subject to the provisions of this ordinance. Section 100 describes the various types of P.U.D. zoning districts.
    2. Within any lot developed as a planned unit development (excluding within the Downtown Overlay District), not more than thirty-five percent of the total lot area may be developed for higher density residential purposes (R-8 or R-6, or cluster as applicable), not more than ten percent of the total lot area may be developed for purposes that are permissible only in a B-2 or H-C zoning district (whichever corresponds to the P.U.D. zoning district in question), and not more than five percent of the total lot area may be developed for uses permissible only in the LI zoning district (assuming the P.U.D. zoning district allows such uses at all).
    3. The plans for the proposed planned unit development shall indicate the particular portions of the lot that the developer intends to develop for higher density residential purposes, lower density residential purposes, purposes permissible in a commercial district (as applicable), and purposes permissible only in an LI district (as applicable). For purposes of determining the substantive regulations that apply to the planned unit development, each portion of the lot so designated shall then be treated as if it were a separate district, zoned to permit, respectively, higher density residential (R-8 or /R-6), lower density residential (R-20), commercial office or LI uses. However, only one permit--a planned unit development permit--shall be issued for the entire development.
    4. A planned unit development permit may be approved showing one or more portions of the tract as reserved for future development of a specified type (e.g. residential, commercial, or manufacturing). In such a case, no construction of any land may take place within such areas until the development permit is amended to approve specific plans for such areas. Such an amendment shall be regarded as a major amendment and processed as provided in Subsection 64(c).
    5. The nonresidential portions of any planned unit development may be occupied only in accordance with a schedule approved by the planning board that relates occupancy of such non-residential portions of the PUD to the completion of a specified percentage or specified number of phases or sections of the residential portions of the development. The purpose and intent of this provision is to ensure that the planned unit development procedure is not used, intentionally or unintentionally, to create nonresidential uses in areas generally zoned for residential uses except as part of an integrated and well-planned, primarily residential development. In approving a proposed schedule, the planning board may consider, among other factors, the number of dwelling units proposed for the residential portion of the PUD, the nature and scope of the nonresidential portions of the PUD, the physical relationship of the nonresidential components of the PUD to neighboring properties not within the PUD, and whether the nonresidential uses are to be located within pre-existing buildings or new construction.
    6. All of the common open space required under this Section shall be either conveyed to the Town of Indian Trail, if the Town agrees to accept ownership of and to maintain the space, or conveyed to one or more homeowner associations created for the development, or with respect to outdoor recreation facilities to the owner or operator, thereof; and
    7. Any conveyance to a homeowners association shall be subject to restrictive covenants and easements reviewed by the Planning and Development Director and recorded and filed at the time the subdivision plat for the project area is recorded. The covenants and easements shall provide for the establishment of a homeowner’s association before recording of the Final Plat by the Planning Director, where membership is mandatory for each home buyer and any successive buyer, the association is responsible for liability insurance and local, taxes on common open space and recreational facilities owned by it, and any fees levied by the association that remain unpaid will become a lien on the individual property in accordance with procedures established under the dedication or organization document. The covenants and easements shall also prohibit future development of any common open space, for other than open space or recreational purposes, and shall provide for continued maintenance of any common open space and recreational facilities.
    8. Associated with the selection of a Planned Unit Development is the requirement for stormwater detention. The use of high density residential and mixed uses increases the stormwater runoff to a degree that necessitates controls to prevent release of stormwater at a rate greater than the runoff of the tract prior to development.
HISTORY
Amended by Ord. O210209-347 on 2/8/2021

O-PED-2 -Planned Residential Developments

  1. Planned residential developments (P.R.D.'s) are permissible only on tracts of at least five acres located within the R-20, R-8 and R-6 zoning districts. The minimum average lot sized allowed for a PRD is:
    1. The R-20 minimum average standard lot size is 15,000 square feet with no reduction to less than 7,500 square feet.
    2. The R-8 minimum average standard lot size is 7000 square feet with no reduction to less than 6,000.
    3. The R-6 minimum average standard lot size is 5,000 square feet with no reduction less than 4,500.
  2. For the development to remain harmonious with surrounding development exterior lots must be at least 15,000 square feet in the R-20 and 7,000 in the R-8, and 5,000 square feet in the R-6 with standard exterior lot line. There shall not be less than twenty-five (25) feet of common open space between an interior lot line within the subdivision and an exterior lot line located outside the subdivision. The purpose of this district is to allow flexible development with denser lots interior to the development itself.
  3. A R-8 or R-6 P.R.D. shall only be permitted to be located:
    1. within the Downtown Overlay District; or
    2. within a half-mile radius of a commercial center defined as: A group of commercial establishments, planned, developed, and managed as a unit, with off-street parking provided on the property, and having at least one anchor tenant with a minimum of 30,000 square feet of space.
    3. A minimum of 75% of the property’s lot area shall be located within the said ½ mile radius area to qualify for a PRD Development.
  4. The overall density of a tract developed as a P.R.D. shall be determined as provided in Section 139.

    Zoning District
    Maximum Density (Units/Acre)
    R-20
    2.2
    R-8
    5.4
    R-6
    7.2
  5. Permissible types of residential uses within a P.R.D. include single-family detached dwellings (use classification 1.111) in all district, two-family residences (1.200) and multi-family residences (1.300) only in the R-20 district. At least 50% of the total number of dwelling units must be single-family detached within the R-20.
  6. To the extent practicable, the two-family and multi-family portions of a P.R.D. shall be developed more toward the interior rather than the periphery of the tract so that the single-family detached residences border adjacent properties.
  7. In a planned residential development, the screening requirements that would normally apply where two-family or multi-family development adjoins a single-family development shall not apply within the tract developed as a planned residential development, but all screening requirements shall apply between the tract so developed and adjacent lots.
  8. Planned residential development, as a minimum, shall meet each of the following criteria:
    1. Curb and gutter on all interior streets shall be provided.
    2. Each dwelling unit shall have a minimum parking pad width of sixteen (16)feet by thirty-two (32) feet to accommodate two automobiles parked side-by-side.
    3. Usable common open space or recreational areas shall be provided within the PRD. Any common open space area shall have a minimum area of ten-thousand (10,000) square feet. All common open space areas shall be accessible by sidewalk from the residential developed portions of the PRD.
    4. Irrespective of other provisions contained in this Ordinance, sidewalks shall be provided on at least one side of each street within the PRD. Furthermore, sidewalks and curb & gutter shall be required along the street frontage of which said property is located off of. If said property is located off more than one street, sidewalks and curb & gutter shall be required along all street frontages.
    5. All of the common open space required under this Section shall be either conveyed to the Town of Indian Trail, if the Town agrees to accept ownership of and to maintain the space, or conveyed to one or more homeowner associations created for the development, or with respect to outdoor recreation facilities to the owner or operator, thereof; and
    6. Any conveyance to a homeowners association shall be subject to restrictive covenants and easements reviewed by the Planning and Development Director and recorded and filed at the time the subdivision plat for the project area is recorded. The covenants and easements shall provide for the establishment of a homeowner’s association before recording of the Final Plat by the Planning Director, where membership is mandatory for each home buyer and any successive buyer, the association is responsible for liability insurance and local, taxes on common open space and recreational facilities owned by it, and any fees levied by the association that remain unpaid will become a lien on the individual property in accordance with procedures established under the dedication or organization document. The covenants and easements shall also prohibit future development of any common open space, for other than open space or recreational purposes, and shall provide for continued maintenance of any common open space and recreational facilities.
  9. Yard and setback requirements for a PRD shall be as follows:

    Zoning District
    Yard Requirements
    R-20
    Front Yard (Interior)-Twenty-five (25) feet Side Yard (Interior)-Eight (8) feet, eighteen (18) on corner lots. Rear Yard-Twenty-five (25)
    R-8
    Front Yard (Interior)-Twenty (20) feet Side Yard (Interior)-Five (5) feet Rear Yard-Twelve and one-half (12.5) feet
    R-6
    Front Yard (Interior) – Twenty (20) feet Side Yard (Interior) – Five (5) feet Rear Yard – Twelve and one-half (12.5) feet
  10. A minimum forty (40) foot yard shall be required, around the exterior of any multi-family portion of the PRD which abuts a R-20 Residential (R) zoning district.
HISTORY
Amended by Ord. O210209-347 on 2/8/2021

O-PED-3- Planned Neighborhood Development

  1. Intent: The Planned Neighborhood (PND) is coded to allow more flexible development that promotes a traditional neighborhood character. This code is established so that streams, floodplains, farmlands, and forests may be preserved while adding to the quality of the community. The architectural guidelines stated in this section are established to promote pedestrian friendly streetscape with higher quality housing standards, and to encourage a variety of housing types that will add character to the community. In evaluating a proposed PND it is the intent of this type of development to be an upgrade to the surrounding area.
  2. Town Council shall determine the density by the approval of the Conditional Zoning on a case by case basis but in no event shall density exceed more than 2.2 units to the acre. The developer may use the land for any authorized residential use in a PND classification. Portions of a development which abut other properties will be similar in character. Active and/or passive recreation must be detailed in the open space design submitted with the Conditional Zoning Application.
  3. Uses permitted: Permissible types of Residential uses with a PND include single-family detached dwellings (use classifications1.111) as follows:
    1. The low density element of the PND shall be made up of R-20(cluster) lots from 20,000 to 15,000 square feet (at least 70%), and R-20 (cluster) lots from 15,000 to 10,000 square feet (no more than 30%). The lots abutting the entrance road frontage (including all entrances and accesses into the development) will be required to be 20,000 square foot lots which are not included in the percentages. The exterior lots of the development will be a minimum of 10,000 square foot with R-20 (20,000 square foot lots) as the largest lot standard required. Open space can not be used as a method of making exterior lots into interior lots or altering larger lot required along road frontage.
    2. The medium density residential element of the PND shall be made up of R-20(cluster)lots from 20,000 to 15,000 square feet (at least 60%)and R-20 (cluster) lots from 15,000 to 10,000 square feet(no more than 30% ) and R-8 lots (no more than 20%). The lots abutting the entrance road frontage (including all entrances and accesses into the development) will be required to be 20,000 square foot lots which are not included in the percentages. The exterior lots of the development will be a minimum of 10,000 square foot required to be the same size as abutting lots with R-20 (20,000 square foot lots) as the largest lot standard required. Open space can not be used as a method of making exterior lots into interior lots.
    3. Yard and setback requirements for a PND shall be as follows: Front Yard(interior lots)- twenty feet, Side yard (interior lots)- five feet ( exterior and corner lots)- 12 feet, Rear Yard ( interior lots)- 20 feet (exterior lots)-25 feet.
  4. General Provisions: In a planned neighborhood district, the screening requirements that would normally apply where two-family or multi-family development shall not apply within the tract developed as a planned neighborhood development, but all screening requirements shall apply between the tract developed and the adjacent lots. A planned neighborhood development, as a minimum, shall meet each of the following criteria:
    1. Curb and gutter on all interior streets shall be provided.
    2. A planted strip of at least 24 inches shall be placed between the street curb and sidewalk. Trees or planting shall be behind the sidewalk.
    3. Each single-family dwelling unit shall have a minimum parking pad width of sixteen feet by thirty-two feet. To accommodate two automobiles parked side by side.
    4. Usable common open space or recreational areas shall be provided within the PND. Any common open space area shall have a minimum area of ten thousand square feet. All common open space areas shall be accessible by sidewalk from the residential developed portions of the PND.
    5. Irrespective of other provisions contained in this ordinance, sidewalks shall be provided on at least one side of each street within the PND.
    6. All of the common open space required under this section shall be either conveyed to the Town of Indian Trail, if the Town agrees to accept ownership of and to maintain the space, or conveyed to one or more homeowner associations created for the development, or with respect to outdoor recreation facilities to the owner or operator thereof; and
    7. any conveyance to a homeowners association shall be subject to restrictive covenants and easements reviewed by the Planning Director and recorded and filed at the time the subdivision plat for the project area is recorded. The covenants and easements shall provide for the establishment of a homeowner’s association before recording of the Final Plat by the Planning Director, where membership is mandatory for each home buyer and any successive buyer, the association is responsible for liability insurance and local taxes on common open space and recreational facilities owned by it, and any fees levied by the association that remain unpaid will become a lien on the individual property in accordance with procedures established under the dedication or organization document. The covenants and easements shall also prohibit future development of any common open space, for other than open space or recreational purposes, and shall provide for continuous maintenance of any common open space and recreational facilities.
HISTORY
Amended by Ord. O210209-347 on 2/8/2021

O-PED 4-Conditional Use Districts; Parallel Conditional Use Districts

  1. Purpose: The conditional rezoning process allows particular uses to be established, but only in accordance with specific development projects. Some land uses are of such a nature or scale that they have significant impacts on both the immediate surrounding area and/or on the entire community which cannot be predetermined and controlled by general zoning district standards. There are also circumstances in which a general district designation allowing such a use by right would not be appropriate for a particular property even though the use itself could, if properly planned, be appropriate for the property and be consistent with the objectives of these regulations and other plans for the physical development of the Town as adopted by the Town Council. The review process established herein provides for the accommodation of such uses by a re-classification of property into a "parallel conditional use" district.
    The "parallel conditional use" district (CUD) approval process is established to address those situations when a particular use may be acceptable but the general zoning districts which would allow that use would not be acceptable. Such zones may be approved or changed only by the Town Council in accordance with the regulations contained herein.
  2. Process: In order for a property owner to secure privileges for developing property under the parallel special use process, a two-step process must be followed. The property must first be rezoned by the Town Council to a parallel conditional use district. The Town Council must then approve a conditional use permit which may contain fair and reasonable conditions to assure conformance with this Ordinance, other plans adopted by the Town Council and compatibility with surrounding properties. Any use permitted under this process must also, as a minimum, conform to the development regulations for the corresponding general zoning district. Thus, if a property were rezoned to a "CUD B-4" Conditional use district, and a conditional use permit approved authorizing the development of a particular use, that use must (1) be a use allowed in the B-4 district, (2) meet all dimensional, screening and related requirements of the B-4 district, (3) meet any listed supplemental requirements for that particular use in the B-4 zoning district, and (4) meet any additional requirements placed by the Town Council on the conditional use permit.
    1. Rezoning of property to any CUD parallel conditional use district is a voluntary procedure on the part of the property owner and is intended for firm development proposals. It is not intended or suited for securing early zoning for a tentative proposal which may be undertaken at some unknown time in the future.
    2. In order for a property owner to secure development privileges in accordance with these regulations, the Town Council must first rezone said property to a particular CUD district and then must issue a conditional use permit allowing the particular development to take place.
    3. Unlike requests for rezoning to a general zoning district, applications for CUD zoning (and associated approval for a conditional use permit) may only be filed by the owner of the property(ies) in question or the owner's authorized agent.