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Solar Light Pipe simulation for option 1 method in LEED v4

NC-v4 EQc7: Daylight
posted by Praveenbabu Rajkumar on May 8, 2018, 7:33 am

and they can provide a set of IES files for any location or time by defining the solar angle of incidence to the skylight.  There's some good info on the Insight Forum (search for 'SolaTube'),...

Last reply: Daniel Glaser, Jul 11, 2019, 4:19 pm

Option 2: Inputting Direct and Diffuse Horizontal Irradiance in IES

NC-v4 EQc7: Daylight
posted by on May 9, 2019, 12:38 pm

I'm working in IES to evaluate the daylight LEED credit option 2 for a project, and one of the requirements is to input direct and diffuse horizontal irradiance. Does anyone know how this can be...

"Impossible" to achieve option 2

NC-v4 EQc7: Daylight
posted by Sarah Leenknegt on Aug 16, 2018, 5:49 am

Dear,

We have made several daylight simulations with option 2 for different projects. So far, it seems nearly impossible to achieve even 1 point for this credit, mainly due to the 3000 lux...

Last reply: Francesco Passerini, Mar 20, 2019, 5:09 am

Full annual simulation- 365 days only?

NC-v4 EQc7: Daylight
posted by Anna Korinkova on Jan 22, 2019, 6:08 am

Hello, 
I would like to clarify what exactly is meant by 'full annual simulation' for the...

Last reply: TODD REED, Jan 23, 2019, 10:12 am

Surface reflectance of materials and Interior shades and Blinds

NC-v4 EQc7: Daylight
posted by Kavita Karmarkar on Aug 1, 2018, 4:26 pm

1. Where can I find the surface reflectance values for some common materials like gypsum boards, ACT ceilings etc. I can't seem to find it listed in the product documents from manufacturers. Is...

Last reply: TODD REED, Jan 16, 2019, 8:08 pm

Should I include the club space in daylight simulation?

NC-v4 EQc7: Daylight
posted by Agnieszka Kaczmarek on Jan 2, 2019, 7:57 am

On level -1 the club space is projected. According 'regularly occupied space' definition the club space is a an area where people spend more than one hour per person per day on average but the...

Exemplary performance when exemption applies

NC-v4 EQc7: Daylight
posted by Ricardo Sá on Dec 21, 2018, 12:34 pm

Hi,

we are currently evaluating daylight compliance of a building in which the majority of regularly occupied spaces has less than 250 sf. According to...

manual control clarification for translucent glazing

NC-v4 EQc7: Daylight
posted by Elaine Bright on Nov 26, 2018, 2:53 pm

The design team wants to know if translucent glazing in clerestory windows would be a manual means of complying with glare control for the daylighting credit requiement for a V4 BD+C project.  I...

Last reply: Elaine Bright, Nov 28, 2018, 1:51 am

Daylight in wineries

NC-v4 EQc7: Daylight
posted by Ricardo Sá on Nov 16, 2018, 6:59 am

Hi,

we are evaluating the LEED certification potential of a new winery that will be built in Portugal (using the rating system LEED BD+C: New Construction and Major Renovation)....

Last reply: TODD REED, Nov 16, 2018, 9:03 am

Space with sDA compliant and ASE not compliant does not count for sDA?

NC-v4 EQc7: Daylight
posted by Ricardo Sá on Aug 1, 2018, 4:50 am

HI,

when using LEED – Daylight and Quality Views Calculator, we have seen that the...

Last reply: Daniel Glaser, Aug 28, 2018, 7:52 pm