Statutes, codes, and regulations
Washington Administrative Code
Title 51 - Enterprise Services, Department of (Building Code Council)
Chapter 51-11C - State Building Code adoption and amendment of the 2021 edition of the International Energy Conservation Code, Commercial
Section 51-11C-405061 - Section C405.5.1-Exterior building grounds lighting

Wash. Admin. Code § 51-11C-405061

Download
PDF
Current through Register Vol. 25-01, January 1, 2025
Section 51-11C-405061 - Section C405.5.1-Exterior building grounds lighting
C405.5.1Exterior building grounds lighting. All exterior building grounds luminaires that operate at greater than 25 watts shall have a minimum efficacy of 100 lumens per watt.

EXCEPTIONS:

1. Luminaires controlled by a motion sensor.

2. Luminaires that qualify for one of the exceptions under Section C405.5.2.

Wash. Admin. Code § 51-11C-405061

Amended by WSR 16-03-072, Filed 1/19/2016, effective 7/1/2016
Amended by WSR 19-24-040, Filed 11/26/2019, effective 7/1/2020
Amended by WSR 22-14-091, Filed 7/1/2022, effective 7/1/2023

Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. 13-04-056, § 51-11C-405061, filed 2/1/13, effective 7/1/13.