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Lighting Zone definition according to MLO for ASHRAE compliance

NC-2009 SSc8:Light Pollution Reduction
posted by  LEED Pro Consultant  on 

We are developing a high rise multi-residential project (5 buildings) in a undeveloped land, the area is between the access to a national park and multiple neighborhood (residential units).

3
Sr. Electrical Engineer
Integrated Design Solutions
LEEDuser Expert
516 thumbs up
Mon Sep 4, 2023, 9:19 am

Project Boundary School Campus Project

NC-2009 SSc8:Light Pollution Reduction
posted by  david naughton  on 

I have a project in which all of the project boundaries border campus property except for one which borders a county road.  Do I only need to be concerned with light trespass on the boundary t

0

Lighting power of roof garden.

NC-2009 SSc8:Light Pollution Reduction
posted by  James Chueh  on 

Hi, Our project has a roof garden and we are calculating the LPD for building exteriors. If there are some luminaires in the roof garden, how do we define the LPD for roof garden?

2
Senior consultant, LEED AP ND & BD+C
Arup
LEEDuser Basic Member
10 thumbs up
Mon Jan 20, 2020, 6:36 pm

Exterior Lighitng: Facade Lighting

NC-2009 SSc8:Light Pollution Reduction
posted by  Saud Abdul Rasheed  on 

Hello All, My question may be simple but still I want to be clear about it.

2
THREE Consultoría Medioambiental
LEEDuser Basic Member
1 thumbs up
Mon Dec 3, 2018, 1:25 pm

Interior Ligting - definition of the direct line of sigth

NC-2009 SSc8:Light Pollution Reduction
posted by  Anna Korinkova  on 

We are working on a building including offices and a warehouse. For the warehouse, there is a night time operation assumed.

2
Mon Aug 6, 2018, 12:26 pm

Facade lighting - off after 10pm

NC-2009 SSc8:Light Pollution Reduction
posted by  Anna Korinkova  on 

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?

4
Wed Mar 21, 2018, 7:04 pm

Residence Hall 24 hour Use Spaces

NC-2009 SSc8:Light Pollution Reduction
posted by  Lisa Ferreira   on 

We have designed a residence hall that has single and double rooms on a double loaded corridor, with shared floor lounges and studies.

2
Sr. Electrical Engineer
Integrated Design Solutions
LEEDuser Expert
516 thumbs up
Sat Feb 3, 2018, 4:32 pm

When is the lighting zone classification determined?

NC-2009 SSc8:Light Pollution Reduction
posted by  Mark Meaders  on 

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.

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Facade Lighting

NC-2009 SSc8:Light Pollution Reduction
posted by  Maria Kutelova  on 

Our project has issues with the lighting on one of the facedes that exceeds the LPDs per ASHRAE.

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Simulation Software Capability

NC-2009 SSc8:Light Pollution Reduction
posted by  James Chueh  on 

I've looked at the annotated photometric plan example for this credit, and I noticed that at the project boundary, the vertical and horizontal footcandle values are reported as one single value. D

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