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Uplights under cover / underwater

NC-2009 SSc8: Light Pollution Reduction
posted by Francis Porter on May 17, 2011, 2:19 am

Hello All,

Are exterior uplights exempt from the 90 degrees above nadir categorisation if they are under cover of a shading...

Lighting Power Density Calculation

NC-2009 SSc8: Light Pollution Reduction
posted by Ramesh Narayanan on May 21, 2011, 1:01 am

1. One of our project have around 1000 m2 landscaping area. In which they are using 20 numbers of 10W bollard external lighting in only 400m2 area. The remaining 600 m2 area does not have any...

Vertical Fc at property line

NC-2009 SSc8: Light Pollution Reduction
posted by JOSH FISHER on May 25, 2011, 11:14 am

What is the height off the ground at which the vertical Fc are are to measured at the property line?

LPD Building Facades with some LED lights

NC-2009 SSc8: Light Pollution Reduction
posted by Norma Lehman on Jun 9, 2011, 10:12 am

It looks as though building facade lighting is a non-tradable surface, but our LED facade lighting is exceeding the...

Facade Lighting

NC-2009 SSc8: Light Pollution Reduction
posted by sompoche sirichote on Jun 12, 2011, 11:38 pm

We are going to provide the LED strip along the vertical line of the building facade.
If we assume that the 50% of their lumen is above 90 degree from nadir then our bldg. will exceed the...

LEED boundary- no parking lot

NC-2009 SSc8: Light Pollution Reduction
posted by Danna Lopez on Jun 28, 2011, 5:57 pm

The LEED boundary for our project does not include the parking lot near the building. The form indicates that we must "upload a photometric site plan of the parking areas with a footcandle...

lighting pollution simulation software

NC-2009 SSc8: Light Pollution Reduction
posted by qi zhang on Jul 25, 2011, 1:27 am

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...

When is the lighting zone classification determined?

NC-2009 SSc8: Light Pollution Reduction
posted by Mark Meaders on Jul 25, 2011, 3:39 pm

We have a govt. project that is building on a greenbuild site. The pre-development condition of the site is an LZ1. However, after the project is developed, there will be over 1m sq. feet of...

Public Street Lights and Municipal Dark Sky Policy

NC-2009 SSc8: Light Pollution Reduction
posted by Lauren Ford on Jul 27, 2011, 9:13 am

Our project is on an Urban site bordered by Public right of way on all sides. The property line that we will use as a Project Boundary is several feet outside the curb line. We are required by...

Translating an IES file to give uplight values

NC-2009 SSc8: Light Pollution Reduction
posted by Bill Swanson on Aug 18, 2011, 8:35 am

If you're having trouble knowing exactly how much uplight the light fixtures on your site are emitting there is a simple free tool for converting an IES file into an output that will display...