Development Standards | Design Standards—Landscaping and Irrigation
iii. Exceptions.
a) One partially shielded light fixture or sconce is allowed if it is located beneath a building overhang and will generate less than 630 lumens; b) Landscape/accent lighting; provided, that the combined output of the light fixture does not exceed 2,100 lumens; c) Motion-sensor lighting that extinguishes the light no more than 15 minutes after the area is vacated. iv. Outdoor lighting shall not exceed 5.0 lumens per square foot of hardscape. Requests for additional lighting may be considered with the approval of the director. Except: a) Drive-up windows may add 8,000 lumens per drive-up window. In order to use this allowance, light fixtures must be within 20 feet horizontal distance of the center of the window. b) Vehicle service stations may add lighting that results in a total of 16,000 lumens per fuel pump. v. Site lighting shall be metal halide or LED unless an alternative is approved by the director.
H. Maintenance
1. All landscaping shall be maintained for the life of the project, including water conservation practices for turf grass such as annual aeration and dethatching, top dressing and overseeding; 2. All landscape materials shall be pruned and trimmed as necessary to maintain a healthy growing condition or to prevent primary limb failure; 3. With the exception of dead, diseased or damaged trees specifically retained to provide wildlife habitat, other dead, diseased, damaged or stolen plantings shall be replaced within three months or during the next planting season if the loss does not occur in a planting season; and
4. Landscape areas shall be kept free of trash.
318 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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