21.17.090 Lighting by special permit only.
A. High Intensity and Special Purpose Lighting. The following lighting systems are prohibited from being installed or used except by special permit:
1. Temporary lighting in which any single luminaire exceeds 20,000 initial luminaire lumens or the total lighting load exceeds 160,000 lumens.
2. Aerial lasers.
3. Searchlights (unless permitted by LMC 21.16.310(H)).
4. Other very intense lighting defined as having a light source exceeding 200,000 initial luminaire lumens or an intensity in any direction of more than 2,000,000 candelas.
B. Upon special permit issued by the city, lighting not complying with the technical requirements of this chapter but consistent with its intent may be installed for complex sites or uses or special uses including, but not limited to, the following applications:
1. Sports facilities, including but not limited to unconditioned sports facilities (fields, stadiums, courts, etc.)
2. Construction lighting.
3. Lighting for industrial sites having special requirements, such as petrochemical manufacturing or storage, shipping piers, etc.
4. Parking structures.
5. Urban parks.
6. Ornamental and architectural lighting of bridges, public monuments, statuary and public buildings.
7. Correctional facilities.
C. To obtain such a permit, applicants shall demonstrate that the proposed lighting installation:
1. Makes every reasonable effort to mitigate the effects of light on the environment and surrounding properties, supported by a signed statement describing the mitigation measures. Such statement shall be accompanied by the calculations required for the performance method under LMC 21.17.080(B).
2. Employs lighting controls to reduce lighting at a project specific curfew (“curfew”) time to be established in the permit.
3. Complies with the performance method under LMC 21.17.080(B) after curfew. The city shall review each such application. A permit may be granted if, upon review, the city believes that the proposed lighting will not create unwarranted glare, sky glow, or light trespass. (Ord. 3178 § 2, 2016)