LEED v4.1 - Green Building Rating System (US Green Building Council)
Sustainable Sites (SS) – LEED v4.1 - Green Building Rating System (US Green Building Council)

LEED v4.1 - Green Building Rating System (US Green Building Council) SSc6: SS Credit: Light Pollution Reduction

What does SSc6 require?

1 point; applies to all eight BD+C adaptations. For all exterior luminaires, meet uplight limits and light trespass limits by lighting zone of the IES/IDA Model Lighting Ordinance, using the BUG rating method (uplight U0 to U4, backlight and glare ratings by mounting distance from the lighting boundary) or the calculation method (0 to 6% of lumens above horizontal; vertical illuminance at the boundary of 0.05 to 0.60 footcandles); keep internally illuminated signage to 200 nits at night and 2,000 by day. Listed exemptions (transport signals, theatrical, roadway, emergency departments, flags, late-night facade lighting in zones 3 and 4) must be separately controlled.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

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