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4
Associate Principal
ME Engineers
LEEDuser Premium Member
29 thumbs up
Fri Apr 4, 2025, 12:58 pm

Luminance of less than 2,500 cd/m2 between 45 and 90 degrees from nadir

NC-v4 EQc6:Interior lighting
posted by  Henri Barten  on 

Hello, i'm new into the LEED requirements.

My customer ask me if we have light fixtures with a luminance of less than 2,500 cd/m2 between 45 and 90 degrees from nadir.

7
Thu Apr 3, 2025, 6:47 pm

Option 1, Path 3. Streamlined DES Modeling

NC-v4 EAp2:Minimum energy performance
posted by  Nasim Mirian  on 

Hi,

I am trying to submit for LEED v4 for a campus building which is served by the campus central plant.we are taking Option 1, Path 3. Streamlined DES Modeling. 

3
Default Avatar
LEEDuser Basic Member
0 thumbs up
Thu Apr 3, 2025, 4:45 pm

Inherently Nonemitting

NC-v4.1 EQc2:Low-Emitting Materials
posted by  Allen Cornett  on 

Recently I saw the following preliminary-review comments on a colleague’s project:

20
Principal
EA Energy Solutions, LLC
LEEDuser Premium Member
17 thumbs up
Thu Apr 3, 2025, 1:45 pm

ASHRAE 90.1-2007 Lighting Power Density

NC-2009 EAp2:Minimum Energy Performance
posted by  Arub Vijay  on 

Dear All, I have a doubt regaridng the LPD requirements for LEED projects. I am doing a Hotel project and would like to know if its mandatory to comply with Table 9.5.1 and Table 9.6.1 for LPD.

5
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Wed Apr 2, 2025, 9:45 pm

VOC limit of Aerosol Adhesives

NC-v4 EQc2:Low emitting materials
posted by  L W  on 

Hi All,In LEED v4 and 4.1, is there a limit on the VOC content of aerosol adhesives, and if so what is it?

10
Default Avatar
Sustainability Project Engineer
Balfour Beatty US
LEEDuser Basic Member
0 thumbs up
Wed Apr 2, 2025, 9:35 pm

Building Performance Factors

CS-v4.1 EAc2:Optimize Energy Performance
posted by  Michael Brown  on 

Per Table 2.4 Building Performance Factors (BPF) for Complaicne with Standard 90.1-2016, if you have a mixed use building I assume that you would use the weighted averge (based on GSF) of each majo

3
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Wed Apr 2, 2025, 9:32 pm

Exceptional calculation method application.

NC-2009 EAp2:Minimum Energy Performance
posted by  FABIO VIERO  on 

Under ASHRAE 90.1 – G2.5, can we avoid to use a workaround to detail a HVAC system feature which could involve an energy saving, therefore avoid to do an exceptional calculation method, if we prefe

7
Wed Apr 2, 2025, 9:26 pm
6
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Wed Apr 2, 2025, 9:11 pm
2
Wed Apr 2, 2025, 9:03 pm