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Vertical Footcandles: How High the Measurement

NC-2009 SSc8: Light Pollution Reduction
posted by Joshua Radoff on Aug 14, 2009, 12:43 pm

There has been some conversation here about the concept of vertical footcandles. Across the industry, this seems to be an issue that is not very well understood. Vertical footcandles are a...

Last reply: David Newcomb, Jun 16, 2020, 10:29 am

Lighting power of roof garden.

NC-2009 SSc8: Light Pollution Reduction
posted by James Chueh on Apr 1, 2012, 9:44 am

Hi,

Our project has a roof garden and we are calculating the...

Last reply: Bill Swanson, Jan 20, 2020, 1:36 pm

Site Boundary & Lighting Boundary

NC-2009 SSc8: Light Pollution Reduction
posted by Caroline O'Leary on Oct 2, 2015, 7:58 pm

I've been reading and re-reading the interpretations by USGBC and the posts on this site and I still feel like I can't positively state the answer to the following question our team has:
...

Last reply: MANNY IGLESIA, Apr 10, 2019, 6:28 pm

Exterior Lighitng: Facade Lighting

NC-2009 SSc8: Light Pollution Reduction
posted by Saud Abdul Rasheed on Mar 3, 2014, 11:07 pm

Hello All,
My question may be simple but still I want to be clear about it. When we are calculating the exterior lighting, in LEED Reference Guide as well as ASHRAE 90.1 2007 we have the...

Last reply: Bill Swanson, Dec 3, 2018, 8:25 am

Interior Ligting- definition of the direct line of sigth

NC-2009 SSc8: Light Pollution Reduction
posted by Anna Korinkova on Mar 8, 2016, 5:14 am

We are working on a building including offices and a warehouse. For the warehouse, there is a night time operation assumed. For the interior lighting, the credit requirement / Option 1 states '...

Last reply: Bill Swanson, Aug 6, 2018, 8:26 am

Facade lighting- off after 10pm

NC-2009 SSc8: Light Pollution Reduction
posted by Anna Korinkova on Jun 14, 2017, 5:44 am

Hello,
Would that be possible to reach the credit, if the facade lighting doesn't fullfil the upligth criteria, but it is turned off after 10pm?

Last reply: Bill Swanson, Mar 21, 2018, 3:04 pm

Residence Hall 24 hour Use Spaces

NC-2009 SSc8: Light Pollution Reduction
posted by Lisa Ferreira on Aug 15, 2017, 10:01 am

We have designed a residence hall that has single and double rooms on a double loaded corridor, with shared floor lounges and studies. The reviewer is asking for the Lounges and Studies to follow...

Last reply: Michele Helou, Feb 3, 2018, 11:32 am

SSc8 Flag lighting

NC-2009 SSc8: Light Pollution Reduction
posted by Kristopher Lashley on May 18, 2016, 9:03 am

I am slightly confused on the flag lighting issue.
If we are working on a project with the LZ2 lighting zone is it ok to have uplighting for the flag?

Last reply: Bryna Dunn, Oct 25, 2017, 11:15 am

Legacy lighting within the lighting boundary

NC-2009 SSc8: Light Pollution Reduction
posted by Anna Korinkova on Sep 1, 2017, 11:04 am

If there is an existing lighting within the lighting boundary (in our case lighting of the parking lot), should this be included in the assessment, or not?
(My guess is yes, but we just...

Last reply: Bill Swanson, Sep 1, 2017, 11:13 am

Walkway lighting- assess or not?

NC-2009 SSc8: Light Pollution Reduction
posted by Anna Korinkova on Jul 19, 2017, 10:36 am

We have a project that includes walkways through the site (the walkways are part of the property). As the walkways are publicly accessible, they have to be illuminated as per national...

Last reply: Anna Korinkova, Sep 1, 2017, 10:58 am