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Default light reflectance values for commodity materials?

NC-v4 EQc6: Interior lighting
posted by Joanna Switzer on Feb 5, 2018, 1:54 pm

Curious if anyone has had success claiming some type of Industry cited / average / worst case LRV for surface finishes such as standard poured in place concrete flooring.

If not,...

Last reply: Tatiana Luzardo, Jun 2, 2020, 8:40 am

Lighting Controls on restaurants and and gymnasiums

NC-v4 EQc6: Interior lighting
posted by Ricardo Sá on Jun 18, 2018, 6:42 am

Dear All,

According to LEED v4 EQC6 (Interior Lighting), all shared multi occupant spaces shall be endowed with control systems that enable occupants to adjust the lighting to meet...

Last reply: John Beeson, Mar 18, 2020, 9:11 am

Reflectance

NC-v4 EQc6: Interior lighting
posted by Inês Marques on Apr 4, 2017, 2:12 pm

Hi guys,

I'm having troubles getting datasheets with reflectance values for the project I'm working on.
Do you know where to find a good light reflectance index online that would be...

Last reply: Kera Lagios, Mar 4, 2020, 12:38 pm

LEED v4 Interior Lighting Quality Option 2- Strategy C

NC-v4 EQc6: Interior lighting
posted by Ciaran McCabe on Dec 5, 2018, 2:34 pm

LEED v4 Interior Lighting Quality Option 2 - Strategy C

When L70 information is not available for LEDs can other rated life values (such as L90 B10 @ 50,000 Hours or the...

Last reply: S L, Feb 23, 2020, 6:34 pm

seperate control of presentation walls in small rooms

NC-v4 EQc6: Interior lighting
posted by Benjamin Weise on Feb 12, 2020, 5:16 am

Hi! There are big medium and small meeting rooms featuring presentation walls. They all have direct lighting from above the tables. In the big and medium rooms there are multiple lamps which can...

Last reply: Benjamin Weise, Feb 17, 2020, 1:39 pm

Automatic Daylight dependent Lighting controls and motion detectors

NC-v4 EQc6: Interior lighting
posted by Benjamin Weise on Feb 11, 2020, 6:52 am

Hello,

one of our projects is set to deploy automatic lighting controls depending on the actual daylight reaching a certain space. The interior lighting will be steplessly dimmed according...

Last reply: Joyce Kelly, Feb 14, 2020, 11:51 am

Shared Multi-Occupant Spaces within Open Office Layout

NC-v4 EQc6: Interior lighting
posted by Sarah Gudeman on Jan 27, 2020, 12:42 pm

We have a current project with open office layout (individual regularly-occupied spaces) that also includes what I would call huddle areas (shared multi-occupant spaces) distributed around...

Definition of "movable partitions"

NC-v4 EQc6: Interior lighting
posted by Stacey Olson on Jan 16, 2020, 4:46 pm

​​This appears obvious, but looking for sanity / /confirmation. Can you please confirm "movable partitions" exclude doors? It is a correct understanding that when calculating this credit, door...

Option 2-Strategy A: Spotlights on a light rail

NC-v4 EQc6: Interior lighting
posted by Timothy Ian Middleton on Dec 11, 2019, 10:40 pm

We have an office project pursuing option 2. Our design is mainly downlighting and spotlights on a lighting rail system. Our downlighting lamps meet the criteria for strategy A, but we can't find...

Last reply: Timothy Ian Middleton, Dec 20, 2019, 6:44 pm

LEED v4 Interior Lighting Quality Option 2, Strategy A

NC-v4 EQc6: Interior lighting
posted by Kera Lagios on Jul 15, 2016, 6:27 pm

a direct only fixture that meets this criteria. If anyone does find one, let the forum know! The best way around this is to use direct/indirect lighting or indirect only lighting. It's a little unclear...

Last reply: John Beeson, Sep 30, 2019, 5:10 pm