Site Design Standards (SDS)

 

SDS 7.2 Incentives

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.1

SDS 7.2.1.1 Intent.

Incentives encourage development that provides an increase in landscaping or common open space, creates a neighborhood green, or uses a specified stormwater management technique.

Section Incentive Maximum Bonus Density Awarded
(See Section SDS 6.2.1)
Awards a Lot Coverage Bonus Applicable Standard Reference Section
SDS 7.2.2 Providing a Housing Type Mix 20%   N/A
SDS 7.2.3 Providing Additional Common Open Space 20%   SDS 6.5
SDS 7.2.4 Creating a Neighborhood Green 5 - 20%   N/A
SDS 7.2.5 Preserving Additional Existing Trees 5 - 20%   SDS 4.3
SDS 7.2.6 Upgrading a Stream Corridor 20%   SDS 4.2
SDS 7.2.7 Preserving Additional Natural Areas or
Cultural Features
20%   SDS 4.1
SDS 7.2.8 Increasing Site Perimeter Landscaping 10%   SDS 4.11
SDS 7.2.9 Increasing Tree Caliper 10%   SDS 4.9-SDS 4.14
SDS 7.2.9 Increasing Tree Height 10%  
SDS 7.2.9 Increasing Quantity of Trees 5%  
SDS 7.2.10 Providing Below-Grade or Structured
Parking
20%   SDS 4.8
SDS 7.2.11 Providing Pervious Pavings 20% X SDS 4.5 & SDS 6.3
SDS 7.2.11 Providing Vegetated Roofs 20% X
SDS 7.2.11 Providing Rainwater Harvesting & Reuse 10%   SDS 4.5
SDS 7.2.11 Providing Solar Reflective Roofs 10%    
SDS 7.2.11 Providing Solar Reflective Paved Areas 10%    
SDS 7.2.11 Providing Shaded Paved Areas 10%    
  • See Architectural Design Standards for additional incentives.
  • Maximum Density awards may be pro-rated.

SDS 7.2.2 Housing Type Mix Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.2.1 Intent.

A development with a mixture of dwelling types should be awarded a development bonus.

SDS 7.2.2.2 Incentive.

The city may award up to a 20% increase in the maximum density for providing a mixture of dwelling types. The development must include at least three of the following dwelling types; each dwelling type shall compose at least 10% of the total number of units.

  • Multi-Family Dwellings containing at least 3 units per building
  • Single-Family Detached Dwellings
  • Two-Family Dwellings
  • Townhome Dwellings

SDS 7.2.3 Common Open Space Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.3.1 Intent.

A development with additional common open space should be awarded a development bonus.

SDS 7.2.3.2 Incentive.

The city may award up to a 1% increase in the maximum density per each 1% of net site area provided as common open space above the minimum required common open space.

SDS 7.2.3.3 Neighborhood Greens.

For the purposes of calculating this incentive, a development using the neighborhood green incentive shall not include any area included in the neighborhood green as part of its total net site area used as common open space.

SDS 7.2.3.4 Maximum Bonus.

This incentive is limited to a maximum 20% increase in maximum density.

SDS 7.2.4 Neighborhood Green Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.4.1 Intent.

A development that creates a neighborhood green should be awarded a development bonus.

SDS 7.2.4.2 Incentive.

An 10% increase in maximum density may be awarded for a development containing a neighborhood green according to the following table.

For This Development Area: The Green Shall Be No Smaller Than:
Less than 25 acres 1/4 acre
At least 25 acres; less than 60 acres 1/2 acre
At least 60 acres 3/4 acre

SDS 7.2.4.3 Common Open Space Classification.

A neighborhood green shall be classified as a designed open space and shall meet all design criteria for a designed open space.

SDS 7.2.4.4 Location.

  • The neighborhood green shall be centrally located and easily accessible to both the public and the residents within the development.
  • The neighborhood green shall be in a visible, secure setting that is easily observed from streets or private drives. If possible, the green shall be bordered by public and/or private streets.
  • Only building fronts shall face onto a green.
  • All parts of the green shall be easily accessible by pedestrians.

SDS 7.2.4.5 Amenities and Landscaping.

Each neighborhood green shall be landscaped and may contain walking paths, plazas, pavilions, picnic tables, or benches. Neighborhood greens shall be separate from clubhouses, swimming pools, or sports courts.

Amenities and Landscaping

drawing of a neighborhood green space attached

 

 

Attached Green 


drawing of a neighborhood with a courtyard green space attached

 

 

Courtyard Green


drawing of a neighborhood with a square green space attached

 

 

Square Green

SDS 7.2.5 Preservation of Existing Trees Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.5.1 Intent.

A development that preserves additional significant trees should be awarded a development bonus.

SDS 7.2.5.2 Incentive.

The city may award up to a 5% increase in the maximum density per each ten 10% of significant trees preserved above the required minimum.

SDS 7.2.5.3 Maximum Bonus.

This incentive is limited to a maximum 20% increase in maximum density.

SDS 7.2.6 Stream Corridor Upgrade Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.6.1 Intent.

A development that provides an upgrade to a stream corridor should be awarded a development bonus.

Incentive:

SDS 7.2.6.2 Density Bonus.

The city may award up to a 10% percent increase in the maximum density for a development that upgrades a stream corridor. The upgrade must be completed so that it would be rated as “excellent” quality in accordance with the Overland Park Stream Riparian Corridor Quality Evaluation form.

SDS 7.2.6.3 Applicability.

In order to receive the full density bonus, the improved stream corridor must be 5% of the total net development acreage. The bonus may be prorated for improved stream corridors of less than 5% of the total net development acreage.

SDS 7.2.7 Natural & Cultural Feature Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.7.1 Intent.

A development that preserves additional significant natural, historic, or cultural features should be awarded a development bonus.

SDS 7.2.7.2 Incentive.

The city may award up to a 10% percent increase in the maximum density for preservation of significant natural, historic, or cultural features; integration of the feature in the overall site plan concept is required.

SDS 7.2.8 Site Perimeter Landscaping Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.8.1 Intent.

A development that provides additional site perimeter landscaping should be awarded a development bonus.

SDS 7.2.8.2 Incentive.

The city may award up to a 10% percent increase in the maximum density for site perimeter landscaping provided at a ratio of eight (8) evergreen (conifer) trees, two (2) shade trees, and one (1) ornamental tree per 100 linear feet of edge, with fractional requirements rounded up.

SDS 7.2.8.3 Applicability.

This incentive shall not be awarded if an incentive is awarded for an increase in the number of trees for parking lot landscaping.

SDS 7.2.9 Landscaping Incentives

SDS 7.2.9.1 Intent.

A development that increases the quality or quantity of trees planted should be awarded a development bonus.

SDS 7.2.9.2 Incentive.

An increase in maximum density may be allowed for a development containing additional landscaping according to the following table.

For Providing: Up To This Amount May Be Awarded:
An increase in tree caliper size for all deciduous trees provided. 10% increase in maximum density per one (1) inch tree caliper increase
An increase in height for all evergreen trees provided. 10% increase in maximum density per one (1) foot height increase
One additional tree per dwelling unit above the minimum landscaping required 5% increase in maximum density; this incentive cannot be combined with Site Perimeter Landscaping Incentive

SDS 7.2.10 Below-Grade or Structured Parking Incentive

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.10.1 Intent.

A development that provides structured or below-grade parking should be awarded a development bonus.

SDS 7.2.10.2 Incentive.

The city may award up to a 20% percent increase in the maximum density for providing structured or underground parking. Parking structures shall be located underground (below-grade) or beneath the multi-family structure or integrated into the overall design of the structure. Garages located on the downhill side of a two/three split building do not qualify for this bonus.

SDS 7.2.11 Stormwater Management Incentives

Single Family Multi-Family

PRN

RP-2 R-2 RP-3 R-3 RP-4 RP-5 RP-6

SDS 7.2.11.1 Intent.

A development that uses a specified stormwater technique should be awarded a development bonus.

SDS 7.2.11.2 Incentive.

A development bonus may be allowed for a development containing specified stormwater management techniques according to the following tables.

SDS 7.2.11.3 Prorated Bonuses.

For development bonuses awarding an increase in maximum density, the maximum credit shall be awarded for meeting the minimum area/volume requirements indicated; partial credit may be awarded on a prorated basis for providing less than the required area. For example, if pervious pavement is provided for 15% of all paved area, the credit would be (0.15/0.5) x 20% = 6%).

For Providing: According to These Standards: This Development Bonus May Be Awarded:
Pervious Pavings
  • Pervious pavings must be provided for at least 1/2 of all parking spaces.
  • The pervious pavings shall meet the design requirements of the MARC BMP Manual.
  • Pervious paving areas shall not be counted as covered area in the lot coverage standard
  • Up to a 20% increase in maximum density
Vegetated Roofs
  • Vegetated roofs must be provided for at least 1/2 of all roof area.
  • Roof area covered by a vegetated roof shall not count as covered area in the lot coverage standard
  • Up to a 20% increase in maximum density
Rainwater Harvesting and Reuse
  • Rainwater harvesting and reuse must be provided for at least 1/2 of all roof area.
  • A storage tank and irrigation delivery system must be provided and sized to collect water from a one (1) inch rain event falling on the roof area served. The one (1) inch run-off volume can not be prorated.
  • Up to a 10% increase in maximum density
Solar Reflective Roofs
(to reduce heat island effect and reduce stormwater run-off temperatures)
  • High-albedo (solar reflective) roofs must be provided for at least 1/2 of all roof area. High albedo roof shall mean that the Solar Reflective Index (SRI) shall be equal to or greater than 78 for roofs sloped 2:12 or flatter and shall be equal or greater to 29 for roofs sloped greater than 2:12.
  • Up to a 10% increase in maximum density
Solar Reflective Paved Area
(to reduce heat island effect and reduce stormwater run-off temperatures)
  • High-albedo (solar reflective) paved areas must be provided for at least 1/2 of all paved areas. High albedo paved areas shall mean that the Solar Reflective Index (SRI) shall be equal to or greater than 29 for roofs sloped greater than 2:12.
  • The following paving materials are automatically qualified for this credit:
    1. a.
       White Concrete (modified by white Portland Cement)
    2. b.
      Slag modified concrete
    • Other paving materials (including pervious concrete) require testing in accordance with ASTM E 903, ASTM E 1918, or ASTM C 1549 to qualify.
  • Up to a 10% increase in maximum density
Shaded Paved Areas
(to reduce heat island effect and reduce stormwater run-off temperatures)
  • Shade must be provided for at least 1/2 of all paved surface area; the area shaded shall be based on the shade provided for the sun position at noon on the summer solstice.
  • The shade provided by trees shall be computed based on the shade provided by the trees after 5 years of growth.
  • When shade structures or roofing is provided to meet shading requirements, the shade structure or roof shall meet the minimum SRI value of 29.
  • Up to a 10% increase in maximum density

Effective on: 1/1/1901