Forum quick links
property line vs road
NC-2009 SSc8:Light Pollution Reductionposted by Erin Holdenried on
I have a couple projects where the property line falls a few feet from reaching the bordering roadway. In these cases, can the lighting boundary extend to the center of the road?
Allowance calculation with overlapping categories
NC-2009 SSc8:Light Pollution Reductionposted by Jens Apel on
These questions are in regard to exterior lighting power calculation. I am fine with the general approach and calculation.
Historic building facade highlighting 24/7
NC-2009 SSc8:Light Pollution Reductionposted by Alfred Servodidio on
Our project is an historic building in the flatiron district in NYC.
EBOM Compliance Path
NC-2009 SSc8:Light Pollution Reductionposted by Jason Cocek on
Does anyone know if the Exterior Lighting Option 3 under the EBOM Rating System (nighttime illumination measurements) can be used as an alternative compliance path for the exterior portion of the N
exterior lighting
NC-2009 SSc8:Light Pollution Reductionposted by Joshua ADY on
Hi all, can you please tell me which is the best suitable software to demonstrate the compliance for horizontal and vertical footcandles requirements to USGBC for Light Pollution Reduction credit.
Exterior Lighting - Driveways
NC-2009 SSc8:Light Pollution Reductionposted by Ahmed Mosa on
hi everyone, I cant seem to find any information about the lighting on driveways. The only reference to roads I can find is under “uncovered parking areas, parking lots and "drives” which is 1.6 W
How to Document Straight Down Fixture Lumens
NC-2009 SSc8:Light Pollution Reductionposted by Omer Moltay on
We have to document that, for LZ2, max. 2% of initial fixture lumens are emitted at an angle of 90 degrees of more from nadir. In your experience how would you achieve this?
Tree-mounted luminaires
NC-2009 SSc8:Light Pollution Reductionposted by Heather Holdridge on
We are working on a rural site which will be classified as LZ1, so will not be allowed any light to be emitted above 90 degrees from nadir.
lighting pollution simulation software
NC-2009 SSc8:Light Pollution Reductionposted by qi zhang on
I plan to get the this credit through simulation. I heard that DIALUX seems can get it, but I am not so sure. Please help me and tell me if I plan to get this credit though simuation, Which softwar
Building Facade Lighting
NC-2009 SSc8:Light Pollution Reductionposted by Julien Daclin on
We are calculating the Exterior Lighting Power Density on a project that has building facade lighting on each facade.