Our design review came back and for this credit they are asking to provide specs for all the lamps used for the credit including the emergency lamps.  We have tried to find lamps with the specs...

This credit requires that all internally illuminated exterior signage must not exceed a luminance of 200 cd/m2 (nits) during nighttime hours and 2000 cd/m2 (nits) during daytime hours. 

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LEED v4 states the following:

The following exterior lighting is exempt from the requirements, provided it is controlled separately from the nonexempt lighting:  lighting that is used...

Hi, 

I have a questions about how to the distance to the project boundary and...

Dear All,

I am working on two office buildings for LEED-CS v3 and plan to achieve SS Credit 8 Light Pollution Reduction. These buildings are parts of LEED-ND v4 project. So, I am wondering...

I'm working on an office/industrial mixed use development. Our lighting designer is not familiar with the...

I have a question about...

Hi all,

My project has some lighting fixtures exceeding the...

The LEEDv4 Reference Guide stipulates "when additional properties owned by the same entity responsible for the LEED project are contiguous to the project site and have the same or higher lighting...

I am designing the lighting system for 3 major office buildings. Around the building and in some balconies, the architect will specify some green areas and small gardens. The architect is...