Development Standards | Design Standards—Landscaping and Irrigation
d) 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
a. Twenty feet of Type II landscaping shall be provided for an institutional use, excluding playgrounds and playfields; b. Ten feet of Type II landscaping shall be provided for an industrial development; c. Ten feet of Type II landscaping shall be provided for an above-ground utility facility development, excluding distribution and transmission corridors, located outside a public right-of-way; d. Ten feet of Type III landscaping shall be provided for a commercial or attached/group residence development; and
e) Groundcover pursuant to SDC 21.06.020C.7.;
c. Type III Landscaping Screen.
i. Type III landscaping is a “see-through screen” that functions as a partial visual separator to soften the appearance of parking areas and building elevations. This landscaping is typically found along street frontage or between apartment developments;
ii. Type III landscaping shall minimally consist of:
a) A mix of evergreen and deciduous trees generally interspersed throughout the landscape strip and spaced to create a continuous canopy;
e. For single-family subdivisions:
i. Street trees shall be planted per the public works standards.
b) At least 70 percent deciduous trees;
3. Landscaping – Side and rear lot lines
c) Trees provided at the rate of one per linear 25 feet of landscape strip and spaced no more than 30 feet apart on center; d) 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
The required width of perimeter landscaping along the side and rear yard lot lines shall be provided as follows: a. Twenty feet of Type I landscaping shall be included in a commercial or industrial development along any portion adjacent to a residential development; b. Five feet of Type II landscaping shall be included in an attached/group residence development, except that along portions of the development adjacent to property developed with single detached residences or vacant property that is zoned R(1-8), the requirement shall be 10 feet of Type II landscaping;
e) Groundcover pursuant to SDC 21.06.020C.7.
2. Landscaping – Street frontages
The required width of perimeter landscaping along street frontages shall be provided as follows:
306 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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