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Steel- Default of 25% post-consumer content

NC-v4.1 MRc3: Sourcing of Raw Materials
posted by Jutta Berns on Nov 4, 2020, 7:41 am

If someone could please confirm whether the following guidance from the LEED v4 Reference Guide is still applicable to LEED v4.1 projects: "Default...

Last reply: Bipin Karki, Nov 4, 2020, 8:00 pm

Greenfield VS Previously developed site

NC-v4 SSc2: Site development - protect or restore habitat
posted by Shlomi Bal on Jul 8, 2020, 2:25 am


We have a project in Ghana, which is located on a huge site, which is mainly untouched green area, and there is no previous construction on site. 

On the other hand, some part...

Parking garage ventilation

NC-v4 EQp1: Minimum indoor air quality performance
posted by Lisa Loreti on May 18, 2020, 2:16 pm

The Project Team needs some clarifications about parking garage ventilation. We have three different questions, not linked to each other.

  1. Is it possible to use natural ventilation...

Is EPD obligatory for all curtain wall assembly or just an EPD for glazing count for LEED?

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Sara BENLOUBA on Apr 6, 2020, 11:46 am

Hello Everyone, 

Please, I have a question on this subject. We have a "curtain wall" for a project, do I have to have an EPD for the complete curtain wall assembly  or the EPD of glazing...

Last reply: Tristan Roberts, Apr 7, 2020, 1:16 pm

2012 EPA CGP

CS-v4 SSp1: Construction Activity Pollution Prevention
posted by sydney mungala on Aug 21, 2019, 10:33 am

anyone have the document

Last reply: Vanessa Nelson, Feb 27, 2020, 1:50 pm

Modeling of Direct Evaporative Cooling System in Baseline

NC-v4 EAp2: Minimum Energy Performance
posted by Amgad Khattab on Mar 4, 2018, 9:15 am

I am working on a factory building, of which only the office area (10%) is conditioned using split A/C systems and the factory area (90%) is being cooled by using direct evaporative cooling...

Last reply: Dang Thi, Feb 25, 2020, 9:31 pm

Can we certify the commercial portion only of a mixed use building (residential & commercial) under LEED BD+C?

NC-v4 MPR2: Must use reasonable LEED boundaries
posted by Amgad Khattab on Feb 6, 2020, 5:14 am

We have a mixed-use building (residential and commercial) but physically and completely separated by a wall. The building with its two uses has the following...

Last reply: Summer Minchew, Feb 6, 2020, 8:37 am

Looking for LEED Commissioning Services in Morocco

NC-v4 EAp1: Fundamental commissioning and verification
posted by Gurubasu Katageri on Feb 3, 2020, 7:00 am

Hello all,

I am looking for organizations who can offer LEED Commissioning services in Morocco. Can you please suggest, if you have already worked with one ?

Chilled Water rinsing / cleaning- How to ensure safe disposal?

NC-v4 SSp1: Construction Activity Pollution Prevention
posted by Amine Zeidane on Jan 6, 2020, 6:10 am

Hello LEED Community,

I'm working on a project where, as a part of HVAC...

What is meant by Informal Transit?

CS-v4.1 LTc4: Surrounding density and diverse uses
posted by Amgad Khattab on Jan 1, 2020, 9:31 am

What is meant by "informal transit" in LEED v4.1?

Do Uber Bus, Careem Bus and Swevl qualify to achieving this option?

Last reply: Kara Strong, Jan 2, 2020, 2:14 pm