Facade mounted fixtures are exempt from the B backlight part of the bug rating. It seems to follow that ground mounted landscape fixtures that are flush with the ground [off from midnight to 6]...

We have a project that has no exterior lighting - not even emergency egress, as the travel paths go through an existing, compliant building.
Does this mean we comply with the credit, or is...

Dear Concern:-

The LEED Credit tells that ""Vertical illuminances must be calculated on vertical planes running parallel to the lighting boundary, with the normal to each plane...

Hello, I remember a tool online for the determination of the BUG indexes. The upload of the photometric curves was necessary. I am no more able to find that. Is that no more available? Is there...

Dear All,

In what relates to internally illuminated signage, according to Guide’s Setp by Step, compliance with this credit can be evaluated by means of:

1. measurement...

Have you ever had Ux parameter in...

Dear all,

Our project is in mainland China, so there is no given lighting zone from the government.  Within 1 kilometer, there are various propreties including art, commercial, retail,...

Our project has two buildings on a corporate campus. We plan to use the “BUG” method to show compliance with this credit. We’re in a mixed-use development that could fall into Lighting Zone 2 or...

The marquee sign is shown on our site plans but the intention is to install at a later date.  To receive this credit, what is the best way to document this?

Hi All,

We are currently struggling to achieve the...