20.25Q.080 Landscape development | Bellevue Land Use Code

20.25Q.080 Landscape development.

1. Purpose. Landscape Development within EM-TOD provides a distinctive visual quality to the district with an emphasis on preserving the natural character of Mercer Slough and Sturtevant Creek. Landscape Development enhances the pedestrian environment, promotes a compact, urban pattern of Development, reduces the impacts of Development on the storm drainage system and water resources, and provides a better transition between the various Land Use districts surrounding the TOD.

2. Tree Species. Chart 20.25Q.080.A.2 sets forth the location, street tree species, and size required within East Main. The property owner shall install street trees, in addition to any landscaping required by LUC 20.25Q.080.B, according to Chart 20.25Q.080.A.2.

Chart 20.25Q.080.A.2 EM-TOD Required Street Tree Species
Location	Proposed Street Trees	Tree Size
112th Avenue SE (Main to SE 8th)	Scarlet oak: Quercus coccinia	Large
114th Avenue SE (Main to SE 6th)	Carpinus caroliniana ‘Native Flame’	Small
114th Avenue SE (SE 6th to SE 8th)	Cornus ‘Starlight’	Small
SE 6th Street	Ulmus ‘Frontier’	Medium
SE 8th Street	Quercus bicolor	Large

3. Street Landscaping. Street trees together with shrubs, groundcover and other approved plantings are required in a planter strip along the length of the frontages described in Chart 20.25Q.080.A.2. Vegetation included in the planter strip shall be able to withstand urban conditions, shall be compatible with other plantings along the same street, and shall reflect the character of the area within which they are planted, as approved by the Director.

a. Installation. Street trees, identified in Chart 20.25Q.080.A.2, shall be at least two and one-half inches in Caliper or as approved by the Director, and shall be planted at least three feet from the face of the street curb. A street tree planter strip may also include step-off pavers (when adjacent to parallel parking), decorative paving and other plant materials, except grass that requires mowing. The use of planter strips for Stormwater treatment is encouraged. Installation shall be in accordance with the Parks and Community Services Department Environmental Best Management Practices and Design Standards, as now or hereafter amended.

b. Irrigation. A permanent automatic irrigation system shall be provided at the time of installation of the required street trees and Sidewalk planter strip landscaping located in a required planter strip. The irrigation system shall be served by a separate water meter installed by the applicant and served by City-owned water supply with 24-hour access by the City. The use of rainwater to supplement irrigation is encouraged. Irrigation system shall be designed per the Parks and Community Services Department Environmental Best Management Practices and Design Standards, as now or hereafter amended.

5. Species Substitution. If a required tree species is not available due to circumstances such as disease or pest infestation, it may be substituted with a different species or cultivar as approved by the Director as an Administrative Departure pursuant to LUC 20.25D.030.D. The substitution shall be of the same size and canopy spread as the tree species that is being replaced.

1. The provisions of LUC 20.20.520, except as they conflict with this section, apply to Development in East Main.

2. Site perimeter and parking Structure landscaping shall be provided in EM-TOD according to the following chart, Landscape Development Requirements. In addition, street trees may be required by LUC 20.25Q.080.A.2.

Table 20.25Q.080.B.2. Landscape Development Requirements
Land Use District	Street Frontage	Rear Yard	Side Yard
EM-TOD-H EM-TOD-L	If buffering a parking area – 8' Type III (1)	If buffering a surface vehicular access or parking area – 5' Type III (1)	If buffering a surface vehicular access or parking area – 5' Type III (1)

(1)An alternative design may be approved through Alternative Landscaping Option, LUC 20.20.520.J, through the Administrative Departure process contained in LUC 20.25Q.030.D.1.

1. No Fence shall be permitted to violate the sight obstruction restrictions at street intersections. See BCC 14.60.240, as now or hereafter amended.

2. Fences are not permitted adjacent to a street. For residential patios and stoops, Fences less than four feet in height may be approved at a Street Frontage as an Administrative Departure pursuant to LUC 20.25Q.030.D.

3. Prohibited Fences. The following types of Fences are prohibited:

a. Barbed wire.

b. Electric Fences.

c. Chain link Fences are not permitted on any Street Frontage in EM-TOD except as follows:

i. To secure a construction Site or area during the period of construction, Site Alteration, or other modification; or

ii. In connection with any approved temporary or special event use. (Ord. 6627, 12-13-21, § 3)