Zoneomics Logo
search icon

Durham City Zoning Code

Article

7 Design Standards

7.1.1. General

A. Applicability in Design and Planned Districts

1. Housing types do not apply to the Design Districts, where all uses, including residential, shall comply with Article 16, Design Districts.

2. Housing types can be used in Planned districts if the residential use is allowed according to paragraph 5.1.2, Use Table. The standards for the housing types shall conform to the standards within the Planned District.

B. Condominium Development

CondominiumsClosed shall be recorded in compliance with the North Carolina CondominiumClosed Act (NCGS §47C).

C. Structures Built Before 1950

1. A lot containing a structureClosed built before 1950 may be subdivided using the small lot option, regardless of whether the existing structureClosed meets the small lot dimensional standards.

2. Any single‐family or duplex structureClosed built before 1950 may be moved to any legal lot of recordClosed and used as a primary dwelling or accessory dwelling, regardless of dimensional requirements, through the issuance of a Minor Special UseClosed Permit.

3. A residential structureClosed built before 1950 may be moved on its existing lot to be used as a primary dwelling or accessory dwelling and be exempted from meeting dimensional standards through the issuance of a Minor Special UseClosed Permit.

7.1.2. Single-Family Detached House

A. Description

A single-familyClosed detached house is located on an individual lot with yardsClosed on all four sides of the house. Vehicular access can take place from the front, side, or rear of the lot.

B. Development Standards

A single-familyClosed detached house shall be permitted in accordance with the table below. A single-familyClosed detached house shall also be permitted in the RR District in accordance with the standards of paragraph 6.2.1A, Dimensional Standards.

 

Single-FamilyClosed Detached Standards

RS-20

RS-10

RS-8

RS-M

RU-5,
RU-5(2)

RU-M

RC

Conventional SubdivisionClosed

Lot Dimensions (min. square feet)

Lot AreaClosed (w/o averaging)

20,000

10,000

8,000

5,000

5,000

3,500

5,000

Lot AreaClosed (with averaging)1

17,000

8,500

6,800

4,250

4,250

2,975

4,250

Lot WidthClosed (feet)

1002

75

60

35

45

35

35

YardsClosed (min. feet)3

Street YardClosed (adjoining collector or greater street)

35

25

25

25

15

10

10

Street YardClosed (adjoining local streetClosed)

35

25

25

20

10

10

10

Side YardClosed (single)

12

10

9

5

5

5

5

Side YardClosed (total) (no side yardClosed total in Urban Tier)

30

24

22

15

Rear YardClosed

25

25

25

25

25

25

25

Cluster SubdivisionClosed

Lot Dimensions (min.)

Lot AreaClosed (square feet)

10,000

5,000

4,000

3,500

Lot WidthClosed (feet)

75

40

40

40

YardsClosed (min. feet)

Street YardClosed

5

5

5

5

Side YardClosed (single)

9

6

6

5

Side YardClosed (total) (no side yardClosed total in Urban Tier)

22

13

13

Rear YardClosed

25

25

25

25

Lot areaClosed with averaging may only be used if the requirements of paragraph 6.3.3C, Lot Averaging, 6.4.3C, Lot Averaging, or 6.5.3B, Lot Averaging, as appropriate, are met.

2 In the RS-20 district, after the creation of one or more flag lots pursuant to paragraph 6.12.5, Flag Lots, the remaining standard lot created from the parentClosed parcelClosed must be at least 80 feet wide to meet the single-familyClosed detached house lot widthClosed standard.

YardClosed modifications may be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

 

C. Small Lot Option

Additional standards, or modifications to the standards, below, may be required pursuant to a Neighborhood Protection Overlay, local historic district, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

1. Applicability

a. The small lot option can be applied in the following zoning districts:

(1) In any tier: RC, RS-M, RU-M, RU-5, and RU-5(2) zoning districts.

(2) In the Urban Tier: all zoning districts where single-familyClosed detached houses are permitted.

b. The small lot option can be applied to any Lot of RecordClosed in an applicable zoning district, regardless of lot dimensions.

2. Dimensional Standards

Lot Dimensions

Minimum Lot AreaClosed

2,000 square feet

Minimum Lot WidthClosed

25 feet

YardsClosed

Minimum Street YardClosed

10 feet

Minimum Individual Side YardClosed

5 feet

Minimum Rear YardClosed

15 feet

Maximum Height

The lesser of 2 storiesClosed or 32 feet

 

3. Maximum Size of Primary Structure

a. The maximum above gradeClosed heated square footage of the primary dwelling(s), shall be 1,200 square feet, with a maximum buildingClosed footprint of 800 square feet.

b. A structureClosed on a Reduced Pole Flag Lot or Small Lot has a maximum height of 2 storiesClosed or 32 feet. Exemptions in paragraph 6.12.1B shall apply.

 

4. Additional Requirements
a. Trees

In addition to the required street tree, and in lieu of infill landscaping requirements in Sec. 6.8, if applicable, at least one canopyClosed and one understory tree shall be planted or preserved on the lot.

(1) For tree preservation, the tree protection zoneClosed shall be maintained per paragraph 8.3.2, Protection of Existing Vegetation. Protection of invasive or other species precluded for planting pursuant to the Durham Landscape Manual shall not qualify.

(2) For tree planting, the Durham Landscape Manual shall be used to determine appropriate species and planting area.

b. Alley Access

Where a lot abuts an improved and maintained alleyClosed, all vehicular access shall be taken from the alleyClosed.

c. Sustainable Requirement

Small Lots and Reduced Pole Flag Lots must include one approved sustainable feature including ribbon drivewayClosed, grid‐connected solar photovoltaic array1, solar hot water heating for domestic hot water2, spray foam insulation, Green Building CertificationClosed, use of WaterSense products3, no on‐site parking, downspouts not piped to the right‐of‐way, or projects utilizing any part of the Affordable Housing Bonus as outlined in Section 6.6.

(1) An on‐site system that is estimated by the installer to produceClosed at least 25% of the home’s energy needs.

(2) Energy Star certified water heating system designated as Solar with Electric Backup or Solar with Gas Backup.

(3) To satisfy this requirement all toilets, bathroom faucets, and showerheads must meet the EPA criteria for WaterSense.

5. Designation on Plat

Utilization of the small lot option shall be recorded on a platClosed at the time of approval, specifying the housing type and associated limitations.

6. Existing Single-Family Detached and Duplex Residential Structures on Small Lots

An existing single-familyClosed detached or duplex structureClosed on a lot of recordClosed prior to the effective date of these standards can be improved pursuant to the applicable general standards for the single-familyClosed detached or duplex housing type. Such improvements may still be considered improvements or additions to a nonconforming structureClosed pursuant to Sec. 14.4, Nonconforming Improvements and Structures.

7.1.3. Zero Lot Line House

A. Description

A zero lot lineClosed house is a single-familyClosed detached house positioned on one lot line without any setbackClosed from that lot line, with yardsClosed on the other three sides of the buildingClosed including a wider side yardClosed on one side.

B. Development Standards

A zero lot lineClosed house shall be permitted in accordance with the table below. A zero lot lineClosed house shall also be permitted in the RR District in a conservation subdivisionClosed in accordance with the standards of paragraph 6.2.1A, Dimensional Standards.

Zero Lot LineClosed House Standards

RS-10

RS-8

RS-M

RU-5,
RU-5(2)

RU-M

RC

Conventional SubdivisionClosed

Lot Dimensions (min. square feet)

Lot AreaClosed (w/o averaging)

10,000

8,000

5,000

5,000

3,500

5,000

Lot AreaClosed (with averaging)1

8,500

6,800

4,250

4,250

2,975

4,250

Lot WidthClosed (feet)

75

60

35

45

35

35

YardsClosed (min. feet)2

Street YardClosed (adjoining collector or greater street)

25

25

25

20

15

10

Street YardClosed (adjoining local streetClosed)

25

25

20

20

15

10

Street YardClosed (with rear vehicular or alleyClosed access)

5

5

5

5

5

5

Side YardClosed (single)

0

0

0

0

0

0

Side YardClosed (total)

20

18

12

12

12

12

Rear YardClosed

25

25

25

25

25

25

Cluster SubdivisionClosed

Lot Dimensions (min.)

Lot AreaClosed (square feet)

5,000

4,000

3,500

Lot WidthClosed (feet)

40

40

40

YardsClosed (min. feet)

Street YardClosed

20

20

15

Street YardClosed (with rear vehicular or alleyClosed access)

5

5

5

Side YardClosed (single)

0

0

0

Side YardClosed (total)

12

12

10

Rear YardClosed

25

25

25

Lot areaClosed with averaging may only be used if the requirements of paragraph 6.3.3C, Lot Averaging, 6.4.3C, Lot Averaging, or 6.5.3B, Lot Averaging, as appropriate, are met.

YardClosed modifications may be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

C. Access

Where an improved and maintained alleyClosed is provided, all vehicular access shall be taken from the alleyClosed.

D. Designation on Plat

The subdivisionClosed shall be designated as a zero lot lineClosed subdivisionClosed on the platClosed at the time of approval.

E. Easement

EasementClosed agreements shall be recorded to allow maintenance and access for that side of the dwelling adjacentClosed to the property line.

F. Privacy

On the property line that the structureClosed is built to, a privacy fence or wall at least six feet high is required between lots, to the rear of the structureClosed.

G. Small Lot Option

Paragraph 7.1.2C, Small Lot Option, can apply and the provisions within that paragraph shall apply. The following shall also apply:

1. If a lot in a new zero lot lineClosed subdivisionClosed is adjacentClosed to the side of an existing, developedClosed residential lot that is not zero lot lineClosed, then:

a. The new lot shall not be zero lot lineClosed; or

b. The required side yardClosed shall be adjacentClosed to the existing lot.

2. The minimum side yardClosed shall be nine feet.

7.1.4. Traditional House

A. Description

A traditional house is a single-familyClosed detached house that is set closer to the street than a conventional single familyClosed detached house and shall only have vehicular access from the rear. It has yardsClosed on each side of the buildingClosed.

B. Development Standards

A traditional house shall be permitted in accordance with the table below. A traditional house shall also be permitted in the RR District in a conservation subdivisionClosed in accordance with the standards of paragraph 6.2.1A, Dimensional Standards.

Traditional House Standards

RS-20

RS-10

RS-8

RS-M

RU-5,
RU-5(2)

RU-M

RC

Conventional SubdivisionClosed

Lot Dimensions (min. square feet)

Lot AreaClosed (w/o averaging)

20,000

10,000

8,000

5,000

5,000

3,500

5,000

Lot AreaClosed (with averaging)1

17,000

8,500

6,800

4,250

4,250

2,975

4,250

Lot WidthClosed (feet)

100

75

60

35

45

35

35

YardsClosed (min. feet)2

Street YardClosed

5

5

5

5

5

5

5

Side YardClosed (single)

12

10

9

6

5

5

5

Side YardClosed (total) (no side yardClosed total in Urban Tier)

30

24

22

15

Rear YardClosed

25

25

25

25

25

25

25

Cluster SubdivisionClosed

Lot Dimensions (min.)

Lot AreaClosed (square feet)

10,000

5,000

4,000

3,500

Lot WidthClosed (feet)

75

40

40

35

YardsClosed (min. feet)

Street YardClosed

0

0

0

0

Side YardClosed (single)

9

6

6

5

Side YardClosed (total) (no side yardClosed total in Urban Tier)

22

13

12

Rear YardClosed

25

25

25

25

1 Lot areaClosed with averaging may only be used if the requirements of paragraph 6.4.3C, Lot Averaging, and paragraph 6.5.3B, Lot Averaging, as appropriate, are met.

2 YardClosed modifications may be required pursuant to a neighborhood protection overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

 

C. Access

Where an improved and maintained alleyClosed is provided, all vehicular access shall be taken from the alleyClosed.

D. Small Lot Option

Paragraph 7.1.2C, Small Lot Option, can apply and the provisions within that paragraph shall apply.

7.1.5. Attached House

A. Description

An attached house is a single-familyClosed house with a shared common wall along one of the lot lines that separates the two lots.

B. Development Standards

An attached house shall be permitted in accordance with the table below. An attached house shall also be permitted in the RR District in a conservation subdivisionClosed in accordance with the standards of 6.2.1A, Dimensional Standards.

Attached House Standards

RS-20

RS-10

RS-8

RS-M

RU-5,
RU-5(2)

RU-M

RC

Conventional SubdivisionClosed

Lot Dimensions (min. square feet)

“Per Pair” denotes that the minimum number required applies to the pair of units. For example in RU-M, the lot areaClosed means the sum of the two lots necessary for the pair of units must be at least 3,500 square feet.

Lot AreaClosed per Pair (w/o averaging)

20,000

10,000

8,000

5,000

5,000

3,500

3,500

Lot AreaClosed per Pair (with averaging)1

17,000

8,500

6,800

4,250

4,250

2,975

2,975

Lot WidthClosed per Pair (feet)

100

75

60

35

45

35

35

YardsClosed (min. feet)2, 3

Street YardClosed (adjoining collector or greater street)

35

25

25

25

15

10

10

Street YardClosed (adjoining local streetClosed)

35

25

25

20

10

10

10

Side YardClosed (unattached side)

12

10

9

6

5

5

5

Rear YardClosed

25

25

25

25

25

25

25

Cluster SubdivisionClosed

Lot Dimensions (min.)

Lot AreaClosed per Pair (square feet)

10,000

5,000

4,000

3,500

Lot WidthClosed per Pair (feet)

75

40

40

40

YardsClosed (min. feet)

Street YardClosed

0

0

0

0

Side YardClosed (unattached side)

9

6

5

5

Rear YardClosed

25

25

25

25

Lot areaClosed with averaging may only be used if the requirements of paragraphs 6.3.3C, Lot Averaging, 6.4.3C, Lot Averaging, and 6.5.3B, Lot Averaging, as appropriate, are met.

YardClosed modifications can be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

3. Attached House lots that have vehicular access from the rear may reduce the minimum street yardClosed to 5 feet.

 

C. Access

Where an improved and maintained alleyClosed is provided, all vehicular access shall be taken from the alleyClosed.

D. Designation on Plat

The housing type shall be identified on the platClosed at the time of approval.

E. Driveways

DrivewaysClosed may be shared with a recorded shared access agreement between two pairs of lots using this housing type.

F. Small Lot Option

Small Lot Option can apply and the provisions within paragraph 7.1.2C shall apply to the attached house lot pair.

Example: A 2,000 square foot lot that meets the Small Lot requirements can become two lots with an Attached Home.

7.1.6. Duplex

A. Description

An attached duplex is a two-familyClosed dwelling in a single structureClosed on a single lot. Individual units can be located on separate floors or on the same level. A detached duplex allows for two dwelling unitsClosed on one lot, but the dwelling unitsClosed are not required to be attached.

B. Development Standards

A duplex shall be permitted in accordance with the table below. A duplex shall also be permitted in the RR District in a conservation subdivisionClosed in accordance with the standards of paragraph 6.2.1A, Dimensional Standards.

Attached House Standards

RS-20

RS-10

RS-8

RS-M

RU-5,
RU-5(2)

RU-M

RC

Conventional SubdivisionClosed

Lot Dimensions (min. square feet)

Lot AreaClosed (w/o averaging)

20,000

10,000

8,000

5,000

5,000

3,500

3,500

Lot AreaClosed (with averaging)1

17,000

8,500

6,800

4,250

4,250

2,975

2,975

Lot WidthClosed (feet)

100

75

60

35

45

35

35

YardsClosed (min. feet)2

Street YardClosed (adjoining collector or greater street)

35

25

25

25

15

10

10

Street YardClosed (adjoining local streetClosed)

35

25

25

20

10

10

10

Side YardClosed (single)

12

10

9

6

5

5

5

Side YardClosed (total) (no side yardClosed total in Urban Tier)

30

24

22

15

Rear YardClosed

25

25

25

25

25

25

25

Cluster SubdivisionClosed

Lot Dimensions (min.)

Lot AreaClosed (square feet)

10,000

5,000

4,000

3,500

Lot WidthClosed (feet)

75

40

40

40

YardsClosed (min. feet)

Street YardClosed

0

0

0

0

Side YardClosed (single)

9

6

5

5

Side YardClosed (total) (no side yardClosed total in Urban Tier)

22

13

12

Rear YardClosed

25

25

25

25

Lot areaClosed with averaging may only be used if the requirements of paragraphs 6.3.3C, Lot Averaging, 6.4.3C, Lot Averaging, and 6.5.3B, Lot Averaging, as appropriate, are met.

YardClosed modifications can be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

C. Access

Where an improved and maintained alleyClosed is provided, all vehicular access shall be taken from the alleyClosed.

D. Small Lot Option

Paragraph 7.1.2C, Small Lot Option, can apply and the provisions within that paragraph shall apply.

E. Driveways

A maximum of two drivewaysClosed shall be allowed and shall be perpendicular to the right-of-wayClosed.

7.1.7. Townhouse

A. Description

A townhouseClosed is a buildingClosed made up of three or more attached dwelling unitsClosed (except where otherwise allowed), where each unit is on an individual lot and the units are lined up in a row and share side walls.

B. Development Standards

1. A townhouseClosed shall be permitted in accordance with the table below.

TownhouseClosed Standards

Suburban

Urban and Compact Neighborhood

YardsClosed (min. feet)

Street YardClosed

251,2

121

Street YardClosed with Front Vehicular Access (from ROW)

251,3

201

Street YardClosed with Rear Vehicular Access (from alleyClosed)

5

5

Street YardClosed (Cluster SubdivisionClosed)

0

0

Rear YardClosed4

20

20

Rear YardClosed (Cluster SubdivisionClosed) 4

0

0

YardClosed modifications can be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

2 YardsClosed can be reduced to as little as 12 feet if the structures are located interior to a project and do not front on a street classified as a collector or greater.

3 Front vehicular access can be reduced to as little as 20 feet if the structures are located interior to a project and do not front on a street classified as a collector or greater.

4 The rear yardClosed shall be measured from the property line forming the boundary of the developmentClosed site.

 

2. BuildingClosed configurations shall consist of at least three units except as follows:

a. In the Urban Tier, a maximum of 50% of the buildings can consist of two units.

b. In the Suburban Tier, a maximum of 25% of the buildings can consist of two units.

C. Access

Where an improved and maintained alleyClosed is provided, all vehicular access shall be taken from the alleyClosed.

Commentary:  It is recommended that preliminary site design also considers emergency access and rescue requirements of the BuildingClosed Code for townhousesClosed.

D. Location of Common Recreation Facilities

Common recreation areas, such as a clubhouse, swimming pool, and/or tennis, volleyball, or basketball courts, shall be orientedClosed internally or along major roadways, and away from residential developmentClosed on neighboring properties. All such facilities shall be visible from and have substantial access to a street.

7.1.8. Detached Rowhouse

A. Description

A detached rowhouse is one unit within a set of three or more detached dwelling unitsClosed, where each unit is on an individual lot and the units are lined up in a row, but the units do not share side walls.

B. Development Standards

1. A detached rowhouse shall be permitted in accordance with the table below.

Detached Rowhouse Standards

Suburban

Urban and Compact Neighborhood

YardsClosed (min. feet)

Street YardClosed

251,2

121

Street YardClosed with Front Vehicular Access (from ROW)

251,3

201

Street YardClosed with Rear Vehicular Access

5

5

Street YardClosed (Cluster SubdivisionClosed)

0

0

Rear YardClosed4

20

20

Rear YardClosed (Cluster SubdivisionClosed) 4

0

0

1 YardClosed modifications can be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

2 YardsClosed can be reduced to as little as 12 feet if the structures are located interior to a project and do not front on a street classified as a collector or greater.

3 Front vehicular access can be reduced to as little as 20 feet if the structures are located interior to a project and do not front on a street classified as a collector or greater.

4 The rear yardClosed shall be measured from the property line forming the boundary of the developmentClosed site.

C. Access

Where an improved and maintained alleyClosed is provided, all vehicular access shall be taken from the alleyClosed.

Commentary: It is recommended that preliminary site design also considers emergency access and rescue requirements of the BuildingClosed Code for townhousesClosed.

D. Location of Common Recreation Facilities

Common recreation areas, such as a clubhouse, swimming pool, and/or tennis, volleyball, or basketball courts, shall be orientedClosed internally or along major roadways, and away from residential developmentClosed on neighboring properties. All such facilities shall be visible from and have substantial access to a street.

7.1.9. Multiplex

A. Description

A multiplex is a multifamilyClosed housing type with three or four individual units on a single lot. Individual units can be attached or detached, and can be located on separate floors or side-by-side. Parking is often shared in a single consolidated area, even when garages and carports are used.

B. Development Standards

A multiplex shall be permitted in accordance with the table below.

Multiplex Standards

Suburban

Urban and Compact Neighborhood

Lot Dimensions (min.)

Lot WidthClosed (feet)

70

50

YardsClosed (min. feet)

Street YardClosed

251,2

51

Street YardClosed with Front Vehicular Access (from ROW)

251,3

51

Street YardClosed with Rear Vehicular Access (from alleyClosed)

5

5

Rear YardClosed

10

10

Distance between BuildingClosed and Parking LotClosed (min. feet)

12

0

Building SeparationClosed (min. feet)

10

10

YardClosed modifications can be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

2 YardsClosed can be reduced to as little as 12 feet if the structures are located interior to a project and do not front on a street classified as a collector or greater.

3 Front vehicular access can be reduced to as little as 20 feet if the structures are located interior to a project and do not front on a street classified as a collector or greater.

 

C. Access

Where an improved and maintained alleyClosed is provided, all vehicular access shall be taken from the alleyClosed.

D. Location of Common Recreation Facilities

Common recreation areas, such as a clubhouse, swimming pool, and/or tennis, volleyball, or basketball courts, shall be orientedClosed internally or along major roadways, and away from residential developmentClosed on neighboring properties. All such facilities shall be visible from and have substantial access to a street.

7.1.10. Apartment

A. Description

An apartment is a multifamilyClosed housing type on a single tractClosed or parcelClosed of land containing five or more units. Apartments can vary in height; the individual units can be attached or detached and located on separate floors or side-by-side and can be attached or detached.

B. Development Standards

Apartments shall be permitted in accordance with the table below.

Apartment Standards

Suburban

Urban and Compact Neighborhood

Lot Dimensions

Lot WidthClosed (min. feet)

75

75

YardsClosed (min. feet)

Street YardClosed 1

25

5

Street YardClosed with Rear Vehicular Access (from alleyClosed)

5

5

Side YardClosed

8

8

Rear YardClosed

25

20

Distance between BuildingClosed and Parking LotClosed (min. feet)

12

0

Building SeparationClosed (min. feet)

10

10

YardClosed modifications may be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).

 

C. Location of Common Recreation Facilities

Common recreation areas, such as a clubhouse, swimming pool, and/or tennis, volleyball, or basketball courts, shall be orientedClosed internally or along major roadways, and away from residential developmentClosed on neighboring properties. All such facilities shall be visible from and have substantial access to a street.

7.2.1. Purpose

Open spaceClosed adds to the visual character and uniqueness of each developmentClosed and allows for recreational and aesthetic enjoyment by the residents. In the Rural Tier, open spaceClosed is intended to serve as land preserved for passive enjoyment. In the Suburban and Urban Tiers, improved open spaceClosed provides centrally located community gathering spots, and play spaces that are integral to the livability of the neighborhoods, while the preservation of natural areas ensures habitat. In the Compact Neighborhood Tier, a limited quantity of open spaceClosed is required as relief from the intensity of the built environment. Except for paragraph 7.2.5, Ownership and Management of Open SpaceClosed, the requirements of this section do not apply to conservation subdivisionsClosed under paragraph 6.2.4, Conservation SubdivisionClosed.

7.2.2. Required Open Space

A. Open spaceClosed shall be required in all districts in accordance with Article 6, District Intensity Standards, except that certain residential developmentsClosed can make payment in lieu of providing required open spaceClosed provided that the developmentClosed:

1. Is not a conservation subdivisionClosed under paragraph 6.2.4, Conservation SubdivisionClosed;

2. Is not a cluster subdivisionClosed under Sec. 6.7, Cluster SubdivisionClosed;

3. Contains ten or fewer units; and

4. Contains no engineered stormwaterClosed controls.

Payment in lieu of required private open spaceClosed for recreational purposes under this section is available in addition to payment-in-lieu available under Sec. 12.4, Pedestrian and Bicycle Mobility, and Sec. 12.5, Recreation Land.

B. Payment-in-lieu shall be an amount equivalent to the tax value of the amount of usable property that would have been required for open spaceClosed. Payments, when authorized, shall be expended within the respective recreation district within which collected.

C. In Cluster SubdivisionsClosed, the quantity of open spaceClosed shall be equal to the reduction in total lot areaClosed, in addition to the open spaceClosed required in the zoning districts in Sec. 6.3, Residential Suburban DevelopmentClosed Intensity, Sec. 6.4, Residential Urban DevelopmentClosed Intensity, or Sec. 6.5, Residential Compact DevelopmentClosed Intensity, as applicable.

D. For Design Districts, all open spaceClosed requirements shall be pursuant to Article 16, Design Districts, unless otherwise indicated. If conflicts arise between Article 16, Design Districts, and this section, the more stringent regulation shall apply.

E. Cluster Box Units (CBUs)

CBUs, if required, shall be considered a component of any open spaceClosed. However, all applicable developmentClosed requirements shall apply.

7.2.3. Design and Use of Required Open Space

A. Recreational Open Space

Where open spaceClosed is required, at least one-third shall consist of recreational open spaceClosed.

1. Table of Recreational Open Space

Recreational open spaceClosed shall be provided by the type and percentages indicated in the following table:

 

Types of Recreational Open SpaceClosed

Maximum Percent by Tier

Suburban

Urban

Compact

Property developedClosed for active recreational purposes with fixed improvements (ballfields (e.g., goals, backstops, bleachers, etc.), tennis or basketball courts, golf coursesClosed, swim clubs, etc.); all-weather trails; playgroundsClosed

100%

100%

100%

Benches, picnic tables, sheltersClosed, gazebos, multi-use fields

30%

30%

30%

Publicly accessible plazas and courtyards

100%

100%

 

2. Exemptions

a. Recreational open spaceClosed is not required in the Rural Tier or for developmentClosed pursuant to Sec. 6.9, Nonresidential and Group Living DevelopmentClosed in Residential DistrictsClosed.

b. The recreational open spaceClosed requirement shall not apply to the additional open spaceClosed required for a cluster subdivisionClosed. The recreational open spaceClosed requirement shall only be applied to the amount that would be provided for a conventional subdivisionClosed.

3. Minimum Street Frontage Dimension and Accessibility

Except for walking paths and bicycle trails, recreational open spaceClosed areas shall have at least one side with street frontageClosed of at least 50 feet in length, and shall be accessible to residential developmentClosed by sidewalks, pursuant to Article 12, Infrastructure and Public Improvement.

4. Minimum Location Requirements

a. In the Urban Tier, recreational open spaceClosed shall be located so that at least 95% of the residential units in the subdivisionClosed or developmentClosed are within a 1,300-foot walking distance of useable open spaceClosed.

b. In the Suburban Tier, recreational open spaceClosed shall be located so that at least 95% of the residential units in the subdivisionClosed or developmentClosed are within a 2,600-foot walking distance of usable open spaceClosed.

c. In the MU District, recreational open spaceClosed shall be located in a central commons area around which different uses are located.

(1) If the developmentClosed is greater than 100 acres, multiple common areas shall be provided.

(2) Central commons areas are not required if the entire mixed useClosed developmentClosed is solely vertically integrated.

B. The remaining required open spaceClosed, and 100% of required open spaceClosed where recreational open spaceClosed is not required as indicated in paragraph 7.2.3A.2, shall consist of the types and percentages indicated in the following table:

 

Open SpaceClosed UseClosed

  Maximum Percent by Tier

Rural

Suburban

Urban

Compact

Natural or Vegetated

Agriculture, horticulture, silviculture or pasture uses

100%

50%

Naturally vegetated or revegetated to appear naturally vegetated.

100%

100%

100%

100%

Severe developmentClosed constraints or other conditions that affect their usability by residents of the developmentClosed, including properties in the flood fringe, floodwayClosed, water bodies, exceptionally low or wet soils, or steep slopes.

100%

50%

100%

100%

Durham InventoryClosed Sites

100%

100%

100%

100%

Tree protection areas, project boundary buffers

100%

100%

100%

100%

Recreational

Property developedClosed for active recreational purposes with fixed improvements (ballfields (e.g., goals, backstops, bleachers, etc.), tennis or basketball courts, golf coursesClosed, swim clubs, etc.); all-weather trails; playgroundsClosed).

100%

50%

50%

50%

Benches, picnic tables, sheltersClosed, gazebos, multi-use playfields

100%

50%

50%

50%

Publicly accessible plazas and courtyards

100%

100%

Other

StormwaterClosed management and community wastewater disposalClosed systems if active recreational uses are incorporated. EasementsClosed for drainage, access and underground utilities

25%

25%

50%

50%

Land dedicatedClosed per Sec. 12.5, Recreation Land

100%

100%

100%

100%

 

C. Notwithstanding the above requirements, area within required riparian buffers can be used to satisfy any open spaceClosed requirement.

D. Dog Park or Play Area

A dog park or play area used to satisfy the requirements of this section shall be enclosed with a galvanized or coated chain-link fence measuring four to six feet in height and include a double-gate entry system. The following shall also be provided within the area:

1. Seating with benches.

2. A designated pet wasteClosed receptacle.

3. Signage providing City, County, and other applicable rules.

4. At least one of the following:

a. A plumbed drinking water station.

b. A shade area, either with a structureClosed or mature shade trees

E. All-weather Trails

1. Material

A trail used to satisfy the requirements of this section shall be paved with an all-weather material such as asphalt, concrete, or another similar material that would satisfy the State accessibility code.

a. Gravel is not considered an all-weather surface.

b. Exceptions may be made regarding paving if a trail is proposed in a required riparian bufferClosed.

2. Pet Waste Disposal

A designated pet wasteClosed receptacle must be provided at each trail head.

7.2.4. Open Space Calculation

A. Exclusions

1. Streets, drivewaysClosed, vehicular use areas, and yardClosed spaces provided for residences shall not be counted toward the open spaceClosed requirement.

2. Sidewalks and walkways required pursuant to Section 12.4, Pedestrian and Bicycle Mobility, shall not qualify as “all-weather trails” and shall not be counted towards open spaceClosed requirements.

B. Minimum Dimension

1. Within the Compact Neighborhood Tier other than Design Districts, a horizontal dimension of at least ten feet in all directions shall be the minimum required to be considered open spaceClosed.

2. Within the Rural, Suburban, and Urban Tiers, a horizontal dimension of at least 25 feet in all directions shall be the minimum required to be considered open spaceClosed.

C. Individual Calculations

Unless otherwise noted below, the gross square footage of the open spaceClosed area shall be utilized in calculating compliance with open spaceClosed requirements.

1. To calculate trails, the square footage of the trail surface shall be used.

2. To calculate benches and picnic tables, the square footage of each amenity plus a two-foot wide walk zone around each amenity shall be used.

3. To calculate playgroundsClosed, the square footage of each playgroundClosed structureClosed plus a six-foot wide walk zone around each structureClosed shall be used.

4. Areas of overlapping walk zones shall be counted once.

7.2.5. Ownership and Management of Open Space

A. Land set aside as open spaceClosed in residential developmentsClosed shall be held in common ownership or dedicatedClosed to the public rather than plattedClosed as part of individual private lots.

B. Prior to approval of a final platClosed, a program for continued maintenance of all open spaceClosed areas shall be submitted. The submission shall include agreements, contracts, deed restrictions, sureties, or other legal instruments acceptable to the City or County, as appropriate, to guarantee the provision and continued maintenance of such common areas and facilities.

C. The open spaceClosed shall be protected in perpetuity by a binding legal instrument that is recorded with the deed. The instrument shall be one of the following:

1. A permanent conservation easementClosed in favor of either:

a. A land trust or similar conservation-oriented non-profit organization with legal authority to accept such easementsClosed (the organization shall be bona fide and in perpetual existence and the conveyance instruments shall contain an appropriate provision for retransfer in the event the organization becomes unable to carry out its functions). If the entity accepting the easementClosed is not the City or the County, then a third party right of enforcement favoring the City or the County shall be included in the easementClosed; or

b. A governmental entity with an interest in pursuing goals compatible with the purposes of this section acceptable to the City or County, as appropriate.

2. A permanent restrictive covenant for conservation purposes in favor of a governmental entity.

3. An equivalent legal tool that provides permanent protection, if approved by the City or County, as appropriate.

4. DedicationClosed of the land to an established homeowner’s association (with legal standing in the property) that accepts permanent maintenance responsibility.

D. The instrument for permanent protection shall include clear restrictions on the use of the open spaceClosed. These restrictions shall include all restrictions contained in this Article, as well as any further restrictions the applicant chooses to place on the use of the open spaceClosed.

E. Open spaceClosed that has been dedicatedClosed to an established homeowner's association can be transferred with a permanent conservation easementClosed to a land trust or similar conservation-oriented non-profit organization with legal authority to accept such easementsClosed pursuant to paragraph 7.2.5C.1.a above.

7.3.1. Facade/Roofline Treatment

A. Except in Design Districts, this section applies to all nonresidential, non-industrial facilities with exterior elevations that are greater than 100 feet in total length or diameter and visible from a public right-of-wayClosed or from adjacentClosed residential developmentClosed.

B. All applicable structures shall be required to incorporate variations in the façades and roofline in order to ensure visual interest by the following standards:

1. Incorporate variations in the façade, such as recesses and projections, door and window rhythm, or other architectural detailing. Changes of materials can also be used to meet this requirement so long as materials changes occur at a change of plane, such as a recess, projection, or inside corner; and

2. Incorporate variations in the roofline treatment, such as stepped parapets, multiple roof forms, dormers, and corner tower elements.

7.3.2. Canopies

A. General Standards

1. Canopies in nonresidential zones can extend into the required yardClosed but shall be at least five feet from any property line and shall not project into any utility easementClosed.

2. Display or storage shall not be permitted as the primary use under the canopyClosed unless outdoor displays and outdoor storage are allowed in the zoning district in accordance with Sec. 7.5, Outdoor Display and Storage.

B. Fuel Canopies

1. The maximum distance to the highest point on the fascia shall be 19-1/2 feet as measured from the highest point of the highest gradeClosed under the canopyClosed.

2. All light fixtures mounted in fuel canopies shall be recessed.

7.4.2. Applicability

A. Adequate lighting shall be provided in nonresidential and multifamilyClosed developmentsClosed conforming to professional engineering standards.

B. The following shall be exempt from these provisions:

1. Outdoor lights used for a temporary event; permitted through a temporary use permit.

2. Outdoor lights used exclusively for recreational activities, concerts, plays or other outdoor events that are open to the public, provided that the light fixtures are located at least 100 feet from any adjacentClosed residential use and the event or function meets all other applicable zoning requirements. Time limits are as follows:

a. No limits within the UC, UC-2, and DD Districts.

b. In all other districts, lights shall not be illuminated between the weekday hours of 12:00 a.m. and 8:00 a.m. and between the hours of 1:00 a.m. and 8:00 a.m. on Saturday and Sunday.

c. In the I, IL, and IP Districts, illumination may be extended until 3:00 a.m. on weekdays and 5:00 a.m. on Saturday and Sunday with the approval of a minor special use permit per Sec. 3.9, Special Use Permit. Additionally, the review factors in paragraph 3.9.8B, Review Factors, to be considered shall be limited to paragraphs 3.9.8B.4, Lighting; 3.9.8B.10, Effect on Nearby Properties; 3.9.8B.11, Compatibility; and 3.9.8B.12, Consistency with Policy.

3. Outdoor lighting exempted pursuant to 1 and 2 above shall only be illuminated while the activity takes place and during high traffic periods immediately before and after the event.

7.4.3. Standards

A. All site lighting shall be designed so that the level of illumination as measured in foot-candles (fc) at all points meets the standards in the table below with minimum and maximum levels measured on the pavement within the lighted area.

Type of Lighting

LIGHT LEVEL
(in foot-candles)

Minimum at Any Point

Maximum at Any Point

Architectural Lighting, Landscape or Decorative Lighting, Walkways except for those listed below

0.0

5.0

CanopyClosed Area Lighting

2.0

24.0

Pedestrian PassagesClosed and Malls (Article 16)

1.0

15.0

MultifamilyClosed Parking LotClosed

0.5

8.0

Nonresidential and MultifamilyClosed Entrances

1.0

15.0

Nonresidential Parking LotClosed

0.5

10.0

On-site walkways between buildingClosed entrances, between parking and a buildingClosed entrance, or serving to meet sidewalk requirements per Sec. 12.4, Pedestrian and Bicycle Mobility.

0.2

5.0

Storage Area (security lighting)

0.5

10.0

VehicleClosed Sales and Display

0.5

24.0

 

B. The maximum illumination permitted at the edge of a property line shall be as set forth below. Where a developmentClosed is unified with shared parking or other measures shown on a site planClosed, the maximum illumination levels shall apply only to the exterior lot lines of the project (any interior lot lines shall be exempt from this paragraph).

1. The maximum illumination at the edge of the property line adjacentClosed to a residential zoning district shall be 0.5 foot-candles.

2. The maximum illumination at the edge of the property line adjacentClosed to nonresidential zoning district shall be 5.0 foot-candles.

3. The maximum illumination at the edge of the property line adjacentClosed to a street shall be 5.0 foot-candles.

C. Full-Cutoff Lighting

The maximum height for directional or full cut-off lighting fixtures (fixtures designed to ensure that no light is emitted above a horizontal line parallel to the ground) shall be:

1. Thirty feet above gradeClosed if located at least 50 feet from a residential property line; and

2. Fifteen feet above gradeClosed if located within 50 feet of a residential property line.

D. Non-Directional Lighting

The maximum height for non-directional lighting fixtures (fixtures designed to allow light to be emitted above a horizontal line parallel to the ground) shall be 15 feet above gradeClosed. Non-directional lighting fixtures shall be translucent or have baffles to prevent views of the light source.

E. Canopy Lighting

Under canopyClosed lighting shall be restricted to lighting fixtures (including lenses) that do not project below the bottom of the canopyClosed.

F. Glare

Lighting shall be orientedClosed not to direct glare or excessive illumination onto streets and adjacentClosed residences.

G. Accent Lighting

Lighting fixtures used to accent architectural features, landscaping or art shall be located, aimed or shielded to minimize light spill into the night sky.

H. Blinking or Flashing Lights

Blinking or flashing lights shall be prohibited unless the lights are required as a safety feature (e.g. beacons on towers) or permitted as part of a signClosed in accordance with Article 11, Sign Standards.

I. Non-Conformities

Lighting fixtures existing as of June 12, 2000 may remain, and shall be considered nonconforming structures. Modifications, replacement or expansions, shall conform to the standards of this Ordinance.

7.5.2. Outdoor Display

A. Outdoor display is defined as the display of products actively available for sale, but does not include products in closed boxes, crates, other kinds of shipping containers, or uses considered outdoor storage in accordance with paragraph 7.5.3, Outdoor Storage, below.

B. Except in association with agricultural usesClosed, outdoor display shall be indicated on a site planClosed illustrating the extent of the permitted area for outdoor display pursuant to the standards below:

1. All products displayed shall be located outdoors only during the hours the use is open for business;

2. The display area shall be located no closer than five feet from any public entrance;

3. The display area shall occupy no more than 50% of the buildingClosed frontage;

4. The display area shall not blockClosed sidewalks or parking areas, and shall not impede pedestrian or vehicular circulation; and

5. The display area shall not be located in a public right-of-wayClosed except in the Downtown Tier, subject to other applicable requirements.

C. For outdoor display associated with agricultural usesClosed pursuant to Sec. 5.1, Use Table, only the following shall apply.

1. No site planClosed is required.

2. Outdoor display areas shall not blockClosed sidewalks or parking areas, and shall not impede pedestrian or vehicular circulation; and

3. Outdoor display areas shall not be located in a public right-of-wayClosed except in the Downtown Tier, subject to other applicable requirements.

7.5.3. Outdoor Storage

A. General

Outdoor storage is more intensive than outdoor display. Materials stored in outdoor storage are not normally brought indoors overnight.

B. Class A Outdoor Storage

1. Class A outdoor storage is defined as garden supplies, buildingClosed supplies, plants, vehicleClosed sales and services, manufactured home sales, play equipment, and other similar items.

2. Areas used for Class A outdoor storage shall be permitted following review and approval of a site planClosed illustrating the extent of the area proposed for outdoor storage, provided it meets the following standards:

a. No outdoor storage shall be allowed in street yardsClosed or within 15 feet of any public right-of-wayClosed, whichever is greater.

b. No outdoor storage shall be permitted within required vehicular use areas.

c. Outdoor storage can be located to the side of a buildingClosed, provided it is not located within the side yardClosed.

d. Any rear yardClosed can be used for outdoor storage purposes, except in the SRP District.

C. Class B Outdoor Storage

1. Class B outdoor storage is defined as material stored in crates, boxes, or shipping containers; lumber yardsClosed; pipe; wrecking, junk, and salvage yardsClosed; vehicle storage yardsClosed; and other similar uses.

2. In addition to the requirements of paragraph B.2 above, areas used for Class B outdoor storage shall be screenedClosed from view from the public right-of-wayClosed, public vehicular use areas, or adjacentClosed residential developmentClosed pursuant to Sec. 9.7, ScreeningClosed.

D. Outdoor Storage in SRP District

1. Outdoor storage shall not be permitted in required yardsClosed.

2. Outdoor storage shall be screenedClosed according to Class B standards.

7.6.1. Applicability

This section shall apply to all on-site solid wasteClosed, utility, and other mechanical equipment facilities serving non-residential and multifamilyClosed developmentClosed. Pet wasteClosed receptacles shall be provided pursuant to Sec. 7.2.3 Design and UseClosed of Required Open SpaceClosed, and 7.6.5 Pet WasteClosed Receptacles.

7.6.2. Location

A. All utilities (including heating or air conditioning units and other mechanical equipment) and solid wasteClosed collection facilities shall be located on the same lot as the use served. Off-site solid wasteClosed collection facilities are allowed with documentation of a shared facility agreement between property ownersClosed.

B. Such facilities shall be located beyond the minimum or maximum street yardClosed, as applicable.

7.6.4. Additional Requirements for Solid Waste Collection Facilities

A. All required solid wasteClosed collection facilities shall be designed with appropriate means of access to a street or alleyClosed in a manner that will least interfere with traffic movement, and will most facilitate the service of the facilities. Site design shall not create a condition that requires solid wasteClosed collection vehiclesClosed to back out of sites.

B. When the service side is visible from an adjacentClosed property line, or adjacentClosed public streets or public trails, access gates or doors with opacityClosed of at least 85% shall be required.

C. Space allocated to any solid waste facilityClosed shall not be used to satisfy the space requirements for off-street parking or loading facilities, nor shall any parking or loading spaces be used to satisfy the space requirements for any solid waste facilityClosed.

D. All solid wasteClosed collection facilities shall be designed to prevent wind-blown debris from leaving the site.

E. All food-related businesses shall provide water quality treatment in conformance with applicable standards and design guidelines for runoffClosed from solid wasteClosed collection facilities.

F. Design Districts

For Design Districts, additional requirements shall apply pursuant to Sec. 16.2, Site Design.

7.6.5. Pet Waste Receptacles

A. Pet wasteClosed receptacles must be provided in all residential developmentsClosed that require preliminary platClosed approval and are located outside the design district zoning districts.

B. Pet wasteClosed receptacles shall be placed on land in residential developmentsClosed held in common ownership or dedicatedClosed to the public.

1. Pet wasteClosed receptacles shall be placed within two feet of a sidewalk and/or internal walkway.

2. At least two pet wasteClosed receptacles shall be provided for developmentsClosed with 90 or fewer dwelling unitsClosed. For developmentsClosed with 91 or more dwelling unitsClosed, at least 3 receptacles shall be provided.

7.7.1. Definitions

A. The term flag in this section shall mean a piece of fabric or other flexible material solely containing distinctive colors, patterns, standards, words, or emblems used as a symbol of an organization or entity, including but not limited to political jurisdictions, such as the United States.

B. Flags displaying a logo, message, statement, or expression relating to commercial interests, and banners otherwise not meeting the definition of a flag shall also conform with all signClosed regulations in Article 11, Sign Standards.

C. Reference to flagpole height refers to vertical flagpoles.

D. References to the number of flags and flagpoles and flag dimensions refer to both vertical flagpoles and mast arm flagpoles, such as staffs extending at an angle from a buildingClosed.

7.7.2. Requirements

A. Except as otherwise provided herein flags shall be displayed on flagpoles.

B. In nonresidential zoning districts, flagpoles shall not exceed the maximum height allowed in the zoning district or 70 feet, whichever is less.

C. Flagpoles shall not be placed on top of buildings unless they are located in the Downtown Tier.

D. In residential districtsClosed, flagpoles shall not exceed 25 feet in height unless a special use permit is granted by the Board of Adjustment. A fee shall not be charged for a use permit request for a flag in a residential districtClosed.

E. A vertical flag pole shall be set back from all property boundaries a distance which is at least equal to the height of the pole.

F. The maximum dimensions of any flag shall be proportional to the flagpole height. In addition, flags are subject to the following dimensional limitations.

Pole Height (feet)

Max. Flag Size
(square feet)

Up to 25

24

25 to 29

28

30 to 34

40

35 to 39

60

40 to 49

96

50 to 59

150

60 to 70

216

 

G. Each property shall be allowed a maximum of three flagpoles unless a special use permit is granted by the Board of Adjustment.

H. A maximum of three flags shall be allowed per flagpole.

I. The flag and flagpole shall be maintained in good repair. A flagpole with broken halyards shall not be used and flags which are torn or frayed shall not be displayed.

J. On United States and North Carolina holidays, there shall be no maximum flag size or number or other limitations on manner of display.

K. This section shall not be interpreted to restrict the right to display eligible flags as banners or noncommercial signage under Article 11, Sign Standards. Flags mounted directly on a buildingClosed wall shall expressly be considered signsClosed and shall be subject to Article 11, Sign Standards.

7.8.1. Air Pollution

Any activity which releases smoke, particulate matter, gases or contaminants into the atmosphere shall comply with all applicable federal and State regulations.

7.8.2. Fire, Explosion and Storage of Flammable Materials

All activities shall comply with the Fire Codes of the appropriate jurisdiction.

7.8.3. Hazardous Materials and Wastes

All activities shall comply at a minimum with all applicable State and federal regulations as well as the appropriate County Health Department regulations and City and County fire department regulations for hazardous materialsClosed and wastesClosed.

7.8.4. Electromagnetic Transmissions

All activities shall control electromagnetic frequencies so that there is no interference in the operation of equipment off-site and no adverse effects to personsClosed off-site.

7.8.5. Waste Products

Any activity which discharges material or liquids into sanitary sewers shall conform with all federal, State and local discharge and release regulations. City and County sanitation ordinances may also apply. All storage areas, wasteClosed disposalClosed areas, and trash handling facilities shall be designed to prevent wind blown debris from leaving the site. The drainage of wasteClosed or stored materials onto adjacentClosed properties or directly into creeks and watercoursesClosed or into the stormwaterClosed conveyance system is prohibited. Only uncontaminated stormwater runoffClosed may be discharged into the stormwaterClosed conveyance system.

7.8.7. Noise

Noise shall be regulated by Article II, Noise, of Chapter 26, Environment, Litter, Vandalism and Pollution the Durham City Code or Article II of Chapter 14 (Environment) of the Durham County Code, as appropriate.

7.8.8. Building Code and Accessibility

All activity shall comply with any applicable State or federal buildingClosed code and accessibility regulations, as determined by the City-County Inspections Department.

7.9.1. Standards

A. DevelopmentClosed projects utilizing mass gradingClosed shall maintain a minimum 10-foot undisturbed gradingClosed setbackClosed from all exterior boundaries of the developmentClosed site.

B. GradingClosed for a developmentClosed site that does not qualify as mass gradingClosed shall maintain a minimum five-foot undisturbed gradingClosed setbackClosed from all exterior boundaries of the developmentClosed, except for along the street frontageClosed.

C. Allowed disturbance within gradingClosed setbacksClosed shall be as follows, unless other encroachmentsClosed are otherwise allowed within this Ordinance:

1. Planting of required landscaping to meet other Ordinance requirements.

2. GradingClosed necessary to accommodate the construction of a trail.

3. GradingClosed necessary to accommodate required access, utilities, and infrastructure.

4. GradingClosed necessary to accommodate positive drainage away from the foundation of structures. GradingClosed for this purpose shall be allowed to encroachClosed two feet into any required gradingClosed setbackClosed.

D. Failure to maintain the gradingClosed setbacksClosed will require a revegetation plan pursuant to paragraph 9.5.3B.2.