We are working on a project where the back of the building is very close to the property line that abuts a railway track.

Hi, How can in prove SSc8 for interior lighting, when my warehouse don't have windows? The building is just a warehouse.

Hi, We are proposing to use a small percentage of lighting bollards. These lighting bollards do not shine light upwards when I review the photo metrics.

I am working on a LEED C&S project for a Building within a large business campus. In relation to the light trespass of the external lighting I need to determine the site and project boundary.

Our project is substituting the LEED v4 light pollution reduction credit requirements for the v3 requirements. Are we still eligible for exemplary performance for the v3 requirements?

I am in process of performing a lamp lumen calculation as part of my submittal documentation. Can any one tell me what lumen value we should be using for the Initial Fixture Lumens per liminaire?

Are security wall packs on building facades considered architectural facade lighting?

Under Checklists:Pre-design on this site, it states: "Campus projects can choose whether to comply with the requirements for the building site boundary or to meet the light trespass requirements fo

My project boundary includes a baseball playing field which will be new - but the lighting around it is existing.

I don't see how one goes from the candela - degrees diagram and translate that into how many lumens are above nadir...what's the limit on % anyway?