Design Standards—Landscaping and Irrigation | Development Standards
c. Moving vehicle lights;
causes minimal or no light trespass onto adjacent properties. ii. Outdoor lighting shall not exceed 5.0 lumens per square foot of parking lot surface and pedestrian walkway. Requests for additional lighting may be considered with the approval of the director. iii. Lighting fixtures shall be no more than 25 feet tall, with lower light fixtures preferable so as to maintain a human scale. Requests for higher light fixtures may be considered with the approval of the director. iv. Site light fixtures shall be designed to use metal halide or LED light sources unless an alternative is approved by the director. v. Solar-powered and high-energy-efficient lighting is encouraged. The director may allow flexibility level standards for solar-powered lights. vi. Motion-sensing lighting is encouraged. The director may allow flexibility with outdoor lighting standards when motion-sensing technology is used.
d. Underwater lighting in swimming pools;
e. Lighting for signs, if permitted under SDC 21.06.050;
f. Traffic control devices;
g. Lights required by state or federal law (e.g., wireless communication facility towers); h. Temporary lighting for construction sites, special events (e.g., theatrical performances, community events); and i. Other lighting of a similar nature as approved by the director.
3. Standards.
a. Security or Floodlighting Fixtures Associated with Single-Family Residences and Townhouses.
i. Lighting fixtures shall be properly aimed and installed in a manner that causes minimal or no light trespass onto adjacent properties; ii. Lighting fixtures shall not exceed 1,260 lumens, unless the lighting fixture is fully shielded; and iii. Motion sensors associated with security or floodlighting shall not be activated by off-site movement.
c. Commercial, Institutional, and Mixed-Use Buildings.
i. Outdoor light fixtures shall be fully shielded, pointed downward, and should be maintained in a way that causes minimal or no light trespass onto adjacent properties. ii. Outdoor lighting shall not exceed 5.0 lumens per square foot of hardscape outside the building structure. Requests for additional lighting may be considered with the approval of the director.
b. Parking Lots.
i. Lighting fixtures shall be partially shielded so that minimal light is emitted above a horizontal plane, and shall be installed and maintained in a way that
Effective | January 1, 2022
Title 21: Sammamish Development Code | 317
Made with FlippingBook Ebook Creator