30.25.017 Type A and Type B landscaping.
Where Type A or Type B landscaping is required, the following table containing the corresponding minimum standards per landscaping type shall apply:
Category of Landscaping |
Type A |
Type B |
---|---|---|
Performance Standard: |
Create a dense sight barrier between uses and zones |
Create a filtered screen between uses |
Planting Standards: |
||
1. Tree mixture1,3 |
At least 75 percent evergreen with a variety of species required and up to 25 percent deciduous |
Approximately 50 percent evergreen with a variety of species required and 50 percent deciduous |
2. Tree planting pattern |
Approximately 20 feet on center in triangular or offset pattern |
Approximately 30 feet on center in triangular or offset pattern |
3. Shrub mixture2 |
At least 75 percent evergreen with a variety of species required and up to 25 percent deciduous |
Approximately 50 percent evergreen with a variety of species required and 50 percent deciduous |
4. Shrub planting pattern2 |
Approximately three feet on center in triangular or offset pattern |
Approximately five feet on center in triangular or offset pattern |
5. Groundcover |
Evergreen planted 12 inches on center in a triangular or offset pattern |
Evergreen planted 12 inches on center in a triangular or offset pattern |
6. Individual planting standards |
Pursuant to SCC 30.25.015 |
|
Notes: 1 The number of evergreen and deciduous trees and the spacing of the trees may be reduced by up to 50% within Type A or B landscaping when existing vegetation and significant trees are retained. The amount of permitted reduction shall be double the percentage of existing vegetation and significant trees retained. 2 As an alternative to shrubs, or in combination with shrubs, smaller deciduous and evergreen trees may be incorporated into the landscaping plan at a rate of not less than one tree per eight lineal feet with not more than 10 feet on center separation. 3 The director may modify the mix of evergreen and deciduous trees and the spacing of the trees and reduce by up to 50% the number of trees required within a Type A or B landscape area inside or outside a stormwater facility perimeter fence for safety and security purposes. |
(Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Amended Ord. 08-101, Jan. 21, 2009, Eff date Apr. 21, 2009).