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Site lumen calculation_Historical building

NC-2009 SSc8: Light Pollution Reduction
posted by Serena Penasa on Nov 11, 2013, 10:38 am

Good morning,
I have a project in area LZ3 which is a listed...

Wattage Difference

NC-2009 SSc8: Light Pollution Reduction
posted by SSN Energy Model on Oct 28, 2013, 7:00 am

We have received IES file for one of our lighting simulation project.
Here, the wattage of light fitting is 25W (As per brochure) but when we importing IES file to simulation software, the...

Method of Calculating Exterior Lighting Power Density

NC-2009 SSc8: Light Pollution Reduction
posted by SSN Energy Model on Oct 28, 2013, 6:39 am

Could any one tell me, the method of...

"Lighting Boundary" definition and use

NC-2009 SSc8: Light Pollution Reduction
posted by Anya Fiechtl on Oct 11, 2013, 1:31 pm

LEED interpretation 10236 (http://www.usgbc.org/leed-interpretations?keys=10236&=Search#) seems to indicate...

city owned lights

NC-2009 SSc8: Light Pollution Reduction
posted by Saju Varghese on Sep 12, 2013, 3:49 pm

city owned lights are not included in our photometric calculations, but how in reality can somebody check that the lights are matching our calculations if the city-owned lights are there anyways...

Individual Lighting Power Allowances for facades

NC-2009 SSc8: Light Pollution Reduction
posted by Lise Dannesboe on Aug 18, 2013, 1:46 pm

Hej! Our building is in LZ3 and Lighting Power Allowance for facades is 0.15W/ft2 for each illuminated wall . I understand that these requirements have to be met during working hours, after...

LEED SS 8 credit language...

NC-2009 SSc8: Light Pollution Reduction
posted by Rick Alfandre on Jul 30, 2013, 9:54 am

Regarding the interior light requirements: We have an office building that is not intended to be in use during the 11pm to 5am period, therefore we will have automated controls w/ manual overide...

Definition direct line of sight

NC-2009 SSc8: Light Pollution Reduction
posted by Lise Dannesboe on Jun 19, 2013, 10:24 am

I tried to fiend a definition of "Shield envelope openings that have a direct line of sight to non-emergency luminaires". Does that mean that you should not be able to see the luminaire from...

Indoor lighting and working between 11 pm and 5 am.

NC-2009 SSc8: Light Pollution Reduction
posted by Lise Dannesboe on Jun 19, 2013, 8:45 am

We are working with an office building which has requirements for providing working stations between 11 pm and 5 am. Inside the building, there will generally be provided 200 lux...

Parameters for the site illumination model

NC-2009 SSc8: Light Pollution Reduction
posted by Salanson Paul-Eric on Jun 12, 2013, 10:23 am

We are working on the site illumination model to measure compliance with the...