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Single zone flush-out

NC-v4 EQc4: Indoor air quality assessment
posted by Omar ElRawy on Dec 25, 2019, 10:18 am

I have a main Fresh Aish Handling Unit (FAHU) that supplies fresh air to all FCUs. I need to know if I should calculate flush out on zone by zone basis, in which flushing the whole building will...

UPEC & certif

CS-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by sara m on Dec 25, 2019, 9:41 am

I want to ask what does UPEC certified materials and certif logo mean ? Is it leed compliant? 

How will it help in getting points in leed? 

Dog parks- SS2- Restore Habitat; and SS3 Open Space/Vegetated Area

NC-v4 SSc3: Open space
posted by Paul Bierman-Lytle on Dec 24, 2019, 10:28 am

SS c2: Site Development- Protect or Restore Habitat:  does a Dog Park area comply if vegetated with native or adaptive species?

SS c3: Open Space - does a Dog Park qualify as Open Space;...

CBE Thermal comfort tool is no longer support LEED documentation

NC-2009 IEQc7.1: Thermal comfort - design
posted by Manish Khandelwal on Dec 22, 2019, 8:18 am

Hi all,

I am doing LEED credits of IEQc7.1 - Thermal Comfort—Design. I used to use the CBE Thermal comfort tool for PMV calculation. Last week I noticed that the tool is no longer...

LZ3 Façade lighting exemption

NC-v4 SSc6: Light Pollution Reduction
posted by Nuttanee Vongveeranonchai on May 1, 2018, 12:27 pm

Dear all, 

I have a question about SSc6 Uplight and Trespass Exemptions. 

I am working on a commercial mixed-use project located in LZ3. Our designer has proposed main façade...

Last reply: Bill Swanson, Dec 24, 2019, 7:57 am

Monthly Evapotranspiration Rate

NC-v4 WEp1: Outdoor water use reduction
posted by Ahmed Labeeb on Apr 9, 2018, 3:02 am


We are working on a project in Dubai and the Client is asking to use the LEED Calculator instead of WaterSense tool. Now, no reference states the monthly evaporanpiration rate for...

Last reply: Senna Sabir, Dec 24, 2019, 5:57 am

ice machine water usage- conservative calculation or probable water usage

Pilot-Credits WEpc115: Whole Project Water Use Reduction
posted by Dionisio Franca on Dec 24, 2019, 12:29 am

We have a ice machine in our project's cafeteria. The ice machine is able to produce a certain quantity of ice and the water usage depends on how much ice it produces. It is very probably that...

Water uses not covered by indoor water use reduction (cleaning and cooking)

Pilot-Credits WEpc115: Whole Project Water Use Reduction
posted by Dionisio Franca on Dec 24, 2019, 12:25 am

We have some uses that are not included in the indoor water use reduction, such as water for cleaning and cooking. Did anyone try to include those usages in the calculation? Should they be...

Irrigation Baseline

Pilot-Credits WEpc115: Whole Project Water Use Reduction
posted by Ricardo Sá on Dec 10, 2018, 10:16 am


we are considering the application of the water efficiency alternative compliance path (ACP) “Whole Project Water Use Reduction” (Pilot Credit) in a...

Last reply: Dionisio Franca, Dec 24, 2019, 12:22 am

VOC Level during and Post Construction

NC-2009 IEQc4.1: Low-emitting materials - adhesives and sealants
posted by Jalal Avades on Dec 20, 2019, 12:17 pm

On our project, the Sealant...

Last reply: debra a. lombard, Dec 23, 2019, 4:15 pm