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Current facilities requirements and operations and maintenance plan

EBOM-v4.1 EAp1: Energy Efficiency Best Management Practices
posted by Jeanne Perrine on Nov 9, 2022, 11:56 pm


The project we are working on is a shopping mall aiming to be LEED V4.1 (...

What threshold of reverberation time to apply for Performing arts Space / ballroom?

NC-v4 EQc9: Acoustic performance
posted by Sara BENLOUBA on Oct 4, 2022, 11:49 am

Hi everybody, 

How do you set the reverberation time values ​​for "Performing Arts Space"? On table 2 of the LEED V4 guide page 758, nothing is written except "Vary by application". So...

Last reply: Sara BENLOUBA, Oct 7, 2022, 10:02 am

Airport base ratio?

NC-v4 LTc7: Reduced parking footprint
posted by Bouygues Sustainability on Jan 23, 2017, 10:11 am

Hello - how do i calculate the baseline parking capacity of an airport ? - it is not included in the TABLE 1 - Base Ratios for parking spaces, by building type.

Last reply: Chris Flint Chatto, May 3, 2022, 4:28 pm

Plan de Contrôle d'Erosion & Sedimentation / Storm Water Prevention Plan

NC-v4 SSp1: Construction Activity Pollution Prevention
posted by saif eddine majdaoui on Jul 1, 2019, 10:49 am

Does the monitoring of SWPP and PCES have to be carried out every week on LEED certification projects even if in the absence of rainy / weather events (No precipitation / no rain)

Last reply: Robert Payette, Feb 9, 2022, 11:45 am

LEED boundaries for 2 different projects

NC-v4 SSc4: Rainwater management
posted by Mohammed Fadili on Dec 30, 2021, 9:48 am

Hello all,

I am currently working on the certification of 2 separated buildings with different usages (separated HVAC and plumbing systems), both are following the v4 BD+C NC. The issue is...

Indoor plumbing fixtures and fittings only?

NC-v4 WEc4: Water metering
posted by Amgad Khattab on Jan 1, 2020, 8:48 am

f the only subsystem available in the project is (Indoor plumbing fixtures and fittings), Are we eligible to earn this Credit for a core and shell project?

Last reply: Afogreen Build, Aug 23, 2021, 4:41 am

Source for Table 1 Maximum Parameters

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by indian tantrik on Aug 16, 2021, 9:46 am

Source for Table 1 Maximum Parameters


NC-v4 EAc2: Optimize Energy Performance
posted by Flavien Darthout on Jul 16, 2021, 4:48 am


I'm a beginner with the LEED v4 and the calculator for the EAc2 credit. I'm asked about the interest of the calculator. We put the simulation results in it so what is it used...

Last reply: Marcus Sheffer, Jul 26, 2021, 11:24 am

2019 GreenTag Product Health Declaration (PhD)

EBOM-v4 EQp3: Green Cleaning Policy
posted by Jutta Berns on Jul 28, 2020, 3:44 am

I came across a 2019 press release by Global GreenTag advising that the Global GreenTag PhD, Materials Transparency Certification Program is as of 2019 recognised by LEED and USGBC. Please can...

Last reply: Trista Brown, Dec 22, 2020, 7:57 pm

How can I check the conformity of a technical data sheet for a shower head?

NC-v4 WEp2: Indoor water use reduction
posted by Sara BENLOUBA on Dec 3, 2020, 10:13 am

Hello Everyone, 

We receive a data sheet from a manufacturer of a shower head but we do not know how to know if the flow rate meets the prerequisite,LEED or not, because the manufacturer...

Last reply: Bipin Karki, Dec 4, 2020, 8:50 am