Is existing site lighting, scheduled to remain, required to be included in the Light Pollution Reduction Credit when using the calculation method or is it only for proposed light fixtures? 

I'm having trouble finding manufacturers who provide the...

Can the percentage values prescribed in the "Maximum allowed percentage of total luminaire lumens emitted above horizontal" be taken as time-related? For example, if we have uplights in a LZ0...

Working on a project where the wall sconce will be installed under the building's overhang and canopy.  This will not light up the sky.

Is there a specific way of calculating the reduced (...

Dear all,

How can it be proved that the façade lighting is switched off at night according to the requirements?

Best regards