Design Standards—Landscaping and Irrigation | Development Standards
7. Requiring water use efficiency through water budgeting and efficient irrigation design standards; 8. Encouraging the use of a diversity of plant species that promote native wildlife habitat.
c) Trees provided at the rate of one per 10 linear feet of landscape strip and spaced no more than 20 feet apart on center; d) Evergreen shrubs provided at the rate of one per four linear feet of landscape strip and spaced no more than eight feet apart on center; and e) Groundcover pursuant to SDC 21.06.020C.7.; and f) Subject to director’s review for consistency with subsection 1.a. of this section;
B. Application
Except for communication facilities regulated pursuant to SDC 21.06.060, all new development shall be subject to the landscaping provisions of this chapter; provided, that specific landscaping and tree retention provisions for uses established through a conditional use permit or a special use permit shall be determined during the applicable review process.
b. Type II Landscaping Screen.
C. Landscaping
i. Type II landscaping is a “filtered screen” that functions as a visual separator. This landscaping is typically found between commercial and industrial uses, between differing types of residential development, and to screen industrial uses from the street;
1. Landscaping – Screen types and description
The three types of landscaping screens are described and applied as follows:
a. Type I Landscaping Screen.
i. Type I landscaping shall function as a full screen and visual barrier. This landscaping is typically found between residential and nonresidential areas;
ii. Type II landscaping shall minimally consist of:
a) A mix of evergreen and deciduous trees and shrubs generally interspersed throughout the landscape strip spaced to create a filtered screen; b) At least 50 percent deciduous trees and at least 30 percent evergreen trees; c) Trees provided at the rate of one per 20 linear feet of landscape strip and spaced no more than 30 feet apart on center;
ii. Type I landscaping shall minimally consist of:
a) A mix of primarily evergreen trees and shrubs generally interspersed throughout the landscape strip and spaced to form a continuous screen;
b) Between 70 and 90 percent evergreen trees;
Effective | January 1, 2022
Title 21: Sammamish Development Code | 305
Made with FlippingBook Ebook Creator