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FAQs about SSc4 :

My building doesn’t have any exterior lighting (no site lighting and no building-mounted lighting). Is my project eligible for this credit?

We have parking garage signs on the building exterior. We’re attempting Option 1 Fixture Shielding. Does the parking signage need to meet the requirements too?

What about lights on the roof? Do they have to comply?

What about exterior lighting owned by tenants?

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EBOM-v4 SSc4:Light pollution reduction

LIghts pointing upwards

Hello, We have a very singular high-rise Project in the city centre. The light levels around the whole boundary are quite high, so we are thinking about pursuing Option 2 because the difference with the exterior lights on and off is not too big. However, the exterior lights point upwards to light the building façade. They do not spill over the boundary...but up to the sky. So, considering Option 2, would this credit be possible for us if we demonstrate the 20% lighting level compliance?

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Bill Swanson
Sr. Electrical Engineer
Integrated Design Solutions
LEEDuser Expert
516 thumbs up

Fri, 06/09/2017 - 15:47

Option 2 has no mention of uplight. This is a major difference between EBOM and NC. You can follow Option 2 for this credit and not worry about the uplight. Mostly because there's no practical way to field measure uplight over a site. Just comply with the measurements at the boundary.

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