Section A4.106.10 is added and adopted as a Tier 1 and Tier 2 elective measure for all covered projects and is amended to read:
A4.106.10 Light pollution reduction. Outdoor lighting systems shall be designed and installed to comply with the following:
1. The minimum requirements in the California Energy Code for Lighting Zones 1-4 as defined in Chapter 10 of the California Administrative Code; and
2. Backlight, Uplight and Glare (BUG) ratings as defined in IES TM-15-11; and
3.
Allowable BUG ratings not exceeding those shown in Table 5.106.8[N]; or
4. Comply with a local ordinance lawfully enacted pursuant to Section 101.7 of this code, whichever is more stringent.
Projects may use an approved equal reference standard for light fixtures where BUG ratings are unavailable.
Exceptions:
1. Luminaires that qualify as exceptions to the California Energy Code.
2. Emergency lighting.
3. One- and two-family dwellings.
Note: The International Dark-Sky Association (IDA) and the Illuminating Engineering Society of North America (IESNA) have developed a Model Lighting Ordinance (MLO). The MLO was designed to help municipalities develop outdoor lighting standards that reduce glare, light trespass, and skyglow. The model ordinance and user guides for the ordinance may be accessed at the International Dark-Sky Association web site.
(Ord. 5626 § 2 (part), 2024)
Division A4.2 - ENERGY EFFICIENCY