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NC-2009 SSc8:Light Pollution Reduction

Walkway lighting - assess or not?

We have a project that includes walkways through the site (the walkways are part of the property). As the walkways are publicly accessible, they have to be illuminated as per national requirements. The lighting will be facilitated by the investor (i.e. not the local municipality). We would like to clarify, whether the CIR ID# 10236, stating that "Street lighting that is required by governmental authorities to be installed within the LEED project, specifically for the purposes of lighting a public street, does not need to be included in any of the calculations. Project teams should provide documentation of the government requirement and a narrative describing the application of this exemption to the project." would be applicable in this case? Is this kind of lighting exempt from the calculations?

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

Tue, 07/25/2017 - 18:59

Typically, this lighting was excluded if the Lights were owned by the City as well. I'm reading 10236 again and there's no mention of ownership. The wording might have changed. But it does say the lighting is specifically for lighting a public street. A public street is owned by the government and can include the public sidewalk. A privately owned walkway that is publicly accessible is different. Mainly from the stand point of ownership of the land. City's often have minimum light level requirements for parking and walkways. But that doesn't exempt a site's light fixtures. I think the lighting needs to be included in the calculations.

Fri, 09/01/2017 - 14:58

Thanks for the clarification Bill

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