Item 7B - Development StandardsDevelopment Standards Table
Standard I Requirements
1.0 - Street Design Standards (This standard only applies to new public streets located within the District)
Street design standards proposed shall be based upon creating a safe and inviting walking environment through an interconnected
network of roads with sidewalks, street trees, street furniture, and amenities. To meet fire safety standards, the applicant shall
demonstrate that a clear conveyance width of 24 feet will be available on all streets (with the exception of alleyways that are not
designated as fire lanes). The right-of-way widths for streets in the EC shall depend on the street typology and streetscape
standards proposed and approved in the ordinance creating the district. The minimum right-of-way (R-O-W) width shall be per the
Development Plan for the District.
Design Speed
less than or equal to 25 mph except on Kirkwood Blvd (A4D Arterial).
Street Typologies Allowed
Arterial - Four Lane divided per City of Southlake Thoroughfare Plan
Roundabout at public street intersection
Avenues: 2-lane divided
Residential streets: 2-lane undivided
Travel Lane Widths
Flexible, minimum of 11 feet
On -Street Parking
Parallel Parking allowed.
Parking Space Dimension
7 - 8 feet
Turning Radii
I Per the Development Plan of the District
Alleys
I N/A
2.0 - Streetsca a Standards
Sidewalks / Trails / Walkways 5' minimum
When there is a conflict between this standard and the City's Pathways Plan, the foregoing standard shall prevail.
Planter / Planting Strip Type
lContinuous planters
Street Trees Required
IYes, flexible
Applicant shall submit a proposed Street Tree Planting Plan as part of the Landscape Concept Plan, which will be reviewed by the
City's Landscape Administrator at the time of Site Plan application. The requirements of the landscape concept plan are outlined in
section 49.8 of the Southlake Zoning Ordinance.
3.0 - Open Space Standards
Open Space
Required 15% minimum of the overall gross District acreage.
Dedicated park land, hardscape plazas, fountain areas, and amenitized detention
pond, and other enhanced hardscape areas, will qualify as open space.
Overall open space allocations in the district shall be a minimum of 15% of the gross area of the entire site included in the
development plan. Higher open space allocations are eligible for bonuses outlined in Section 49.7.g. The location and design of
appropriate open spaces shall be based on Section 49.7 (h) of this ordinance. Park dedication shall count towards the required
open space for the District and any future redevelopment.
Development Standards Table
Standard Requirements
4.0 - Block and Lot Standards
Single -Family Residential
Up to 40 lots may be developed within the District. Development standards for the District shall apply per the Development plan.
Blocks and cul-de-sacs shall have up to 25 lots.
Block Type
Regular or irregular (square, rectangular, or curvilinear based on topography and
vegetation)
Block Dimensions
Less than 1,200 feet (unless limited by unique site conditions such as topography
and vegetation)
Lot Area
Varies; Typical % acre, 0.229 ac min.
Lot Width and Depth
80' Typ., Min. 69' wide on pie shaped lots, measured at Front setback; 125' deep
Maximum Lot Area
0.43 ac
Max. Lot Coverage
40%
Maximum Impervious Cover
60%
All Other Uses
Block Type
Varies - See Development Plan
Block Dimensions
Varies - See Development Plan
Minimum Lot Coverage
Varies - See Development Plan
Maximum Impervious Cover
Varies - See Development Plan
5.0 - Building Standards
Single -Family Residential
Building Height 12 stories (maximum) (excluding any basements)
Setbacks
Front
25'
Side
8'
Rear
30'
All Other Uses
Building heights are measured in accordance
with the definition of "height of building" in
the adopted City of Southlake Zoning
Ordinance, as amended.
Building height exceptions
18 feet minimum (including parapet)
65 feet maximum
Exception: Up to 90 feet maximum height shall be allowed for buildings meeting
the following requirements: (a) entirely or partially within 1100 feet of the
northern boundary of S.H. 114; and (b) no closer to E. Kirkwood Boulevard than
300 feet.
Exception: 100 feet maximum for hotel use
Front
50' along S.H 114
Otherwise - See Development Plan
Side
IVaries - See Development Plan
Rear
IVaries - See Development Plan
Setbacks - All other uses (Measured from edge of Right -of -Way)
N. White Chapel Boulevard
10' minimum, but may be reduced with approval of Planning Director
E. Kirkwood Boulevard
N/A
State Hwy 114
50' minimum
Retaining walls are allowed within a building setback.
Development Standards Table
Standard Requirements
6.0 - Site Design Standards
Parking standards in the District are intended to be flexible due to the mixed -use nature of the development and shared parking
opportunities.
Off -Street Parking Requirements
Restaurant: One (1) space per 150 SF of GFA
Retail: One (1) space per 200 SF of GFA
Office: One (1) space per 300 SF of GFA
Parking Space Dimension
9' x 18' minimum for head -in and angled parking
Parking Island Area
Parking island area standards in the District are intended to be flexible due to the
mixed -use nature of the development and the flexibility allowed in the
Employment Center Zoning (ECZ). Parking lot islands to be a min. of 6' wide inside
curb to inside curb and 18' long. Exempt from Landscape Ordinance 544-B, Section
3.4.
Parking Island Tree
Parking island tree standards in the District are intended to be flexible due to the
mixed -use nature of the development and the flexibility allowed in the
Employment Center Zoning (ECZ). Parking lot islands will have a min. one 4" cal.
tree in all end islands. Exempt from Landscape Ordinance 544-B, Section 3.4.
Off -Street Loading
Section 36 of the Southlake Zoning Ordinance applies
Screening:
Screening standards in the District are intended to be flexible due to the mixed -use nature of the development and the flexibility
allowed in the Employment Center Zoning (ECZ). A 6' board on board cedar screen fence will be provided along lots immediately
adjacent to existing residential development (Section 49.6.2). Exempt from Section 39 - Screening and Fencing, Ordinance 480
(49.6.4). Exempt from Section 43 - Overlay Zones, Ordinance 480 (49.6.4).
Landscaping:
- Landscape buffer between off-street surface
Not required for internal public rights of way, internal private streets, or
parking and sidewalks, trails, and streets
trails/sidewalks.
20' minimum landscape buffer along SH 114
10' minimum landscape buffer along N. White Chapel Boulevard
Retaining walls, sidewalks, and trails may be located within landscape buffers
- Surface parking lot minimum interior
Minimum 15 square feet of interior landscape area per surface parking space.
landscaping
Parking lot landscape islands count toward the required interior landscape area.
Landscape islands shall be located between parking space groups and shall be a
minimum of 12' in width on the ends of parking rows and 10' in width internal to
the parking lot. The parking island must contain at least 1 large tree and
groundcover or evergreen shrubs. Parking lot landscape islands which have light
poles for lighting the parking areas may substitute two (2) understory/accent trees
for the required canopy tree. Parking space groups shall be no more than 20 space
long without a landscape island. A variance may be granted administratively at the
Site Plan application.
Development Standards Table
Standard
Requirements
Bufferyards:
Bufferyard standards in the District are intended to be flexible due to the mixed -use nature of the development and the flexibility
allowed in the Employment Center Zoning (ECZ). A bufferyard of 10' will be provided along lots immediately adjacent to existing
residential development (Section 49.6.2). Exempt from Section 42 - Bufferyards, Ordinance 480 (49.6.4). Exempt from Section 43 -
Overlay Zones, Ordinance 480 (49.6.4).
As a part of the site plan application, the applicant shall propose lighting standards that include street light standards and other
amenities as part of the streetscape treatment plan.
Lighting:
Flexible. Site lighting will be contemporary in nature. Lighting will be provided
Roadways / Street Lighting
within 5 key development zones - along primary roadways. pedestrian walkways,
Pedestrian Pole Lighting
parking lots, plazas/parks, and tree uplighting at signature canopy trees and accent
Parking Lots
lighting within roadways medians on -site. Additional lighting may be provided at
Plazas
signage. All lighting will comply with Ordinance No. 693-C.
Tree Uplighting
As a part of the site plan application, the applicant shall propose site furnishing standards that include streetscape standards as
part of the streetscape treatment plan.
Site Furnishings
Flexible. Site furnishings will be contemporary in nature. Site furnishings will be
-Benches
provided within 5 key development zones - along primary roadways. pedestrian
Trash Cans
walkways, parking lots, plazas/parks.
Bike Racks
Signs
Site Signage will be shown with the final design documents.
7.0 - Tree Preservation
Tree Preservation standards in the District are intended to be flexible due to the mixed -use nature of the development and the
flexibility allowed in the Employment Center Zoning (ECZ). Development does not have an Environmental Resource Protection
zone, or natural creek, pond, or significant grades. Tree Preservation will be min. 5% and max. 12% of existing cover to preserved.
Development Standards Table
Standard Requirements
8.0 - Architectural Controls
Building Articulation
Buildings must incorporate strong vertical proportions through use of window
groupings, siding orientation, and tall, narrow fenestration. Facades over 150 feet
in length shall incorporate projections such as porches, recessed entries, or
changes in material to break up wall planes. At least one major fagade element
shall provide covered outdoor space oriented to the street or public realm,
whichever is closest.
Exterior Materials
Permitted materials include painted brick, wood or fiber -cement lap siding, wood
or fiber -cement board -and -batten siding, wood accents, engineered wood
products with integral finish (such as Hardie or equivalent fiber -cement), cast
stone, cast stone veneer, painted structural steel, and factory -finished metal.
Colors shall be drawn from a palette of light neutrals, off-whites, and muted earth
tones, with limited use of dark contrasting trim. Natural finishes such as stained
wood are encouraged at entries and porches and as accents. Limited use of cast -in -
place concrete allowed for accents.
Roof Materials
Slate, synthetic slate, factory -finished standing seam, architectural metal panel, or
similar quality architectural materials will be required on visible roofs and limited
to dark, slate gray, light gray/tin or other earth tone/neutral colors. Clay tile and
concrete tile is prohbited. Shingle is not preferred but may be used sparingly and
must be dark gray.
Prohibited Materials
Prohibited materials include unfinished concrete block, unfinished concrete,
precast concrete, vinyl siding, and EIFS or other stucco skin systems except when
used sparingly for trim. Highly reflective or tinted glass curtainwalls, neon or bright
metallic colors, and other bright synthetic finishes are prohibited. Corrugated
fiberglass or plastic panels are not permitted as siding or roofing. Painted or
limewashed brick is preferred, but dark, tan or redish/clay brick may be used
where consistent with the approved palette. Ceramic tile is prohibited unless
expressly approved for use as an accent material.
Windows and Doors
Windows shall be vertically proportioned. Simulated divided light windows shall
use exterior muntins permanently affixed to the glass surface. Garage and service
doors facing the public realm shall be recessed or detailed to match the primary
building style.
Awnings
A covered occupiable porch (for seating or gathering), excluding building entries or
shelters, must be a minimum depth of six (6) feet. Porches shall be constructed as
integral components of the building and shall not appear as afterthought
appendages. Columns or supports shall be simple in form and constructed of
treated wood, painted metal, cementitious wrap, or masonry consistent with the
approved exterior material palette. Decorative brackets, ornate trim, or stylistic
elements inconsistent with the permitted architectural character are prohibited.
Porch ceilings shall be finished with wood, painted board, or similar high -quality
material.
Awnings, where provided, shall be rectangular in form and constructed of canvas
or standing -seam metal mounted to steel or aluminum framing. Awnings shall be
limited to neutral or dark solid colors consistent with the overall color palette of
the building. Striped, scalloped, or highly ornamental awnings are prohibited.
Awnings shall project no more than five (5) feet from the fagade and shall maintain
a minimum clearance of eight (8) feet above finished grade.
Development Standards Table
Standard Requirements
9.0 - Allowed Uses
Allowed Use Table
Single Family Residential
Grocer
Restaurant
Retail
Hotel
Office
Medical Office Building
Medical
Drive -through