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Defining baseline water consumption for Optimize Process Water Use Option 2

NC-v4.1 WEc3: Optimize Process Water Use
posted by Oliver Pearce on Jun 1, 2022, 2:29 am


We are investigating the potential to demonstrate that the cooling solution in our project is more water efficient than a baseline according to LEEDv4.1 Optimize...

Tenants installing glare control devices

CS-v4 EQc4: Daylight
posted by Ricardo Sá on Jan 29, 2019, 10:27 am

According to Reference Guide, manual or automatic (with manual override) glare-control devices shall be provided for all regularly occupied spaces in order to comply with credit requirements....

Last reply: emily reese moody, May 31, 2022, 9:54 pm

v4 or v4.1?

LEED v4.1 Discussion Forum
posted by Diego Lodoli on May 27, 2022, 5:27 am

Dear all, since v4.1 is still a beta version and on LEEDonline both v4 and v4.1 are available for registrating a new project, which is the general rule for selecting the right version? I'm...

Last reply: emily reese moody, May 31, 2022, 9:50 pm

Updated Credit Requirements- resubmit or appeal?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Deborah Lucking on Apr 26, 2022, 12:38 pm

Wondering if anyone has experience with this - we submitted the Credit under the beta version of v4.1 in June 2021, not realizing that the April 2021 version of the Credit has lower thresholds....

Last reply: Emily Purcell, May 31, 2022, 3:59 pm

furniture reused

NC-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Priscillia Champagne on May 30, 2022, 3:05 pm

Hi, for a new school project, the client wants to recuperate a large part of his furniture not integrated to the building to...

Last reply: Allison Smith, May 31, 2022, 12:06 pm

Is "electric water coolers" a drinking water supply equipment

NC-v4 WEc4: Water metering
posted by Jorng-ren Chern on Dec 2, 2020, 9:46 pm

We got this review comment

1. The documentation does not confirm that the non-fixture usage (e.g. electric water coolers and janitors sinks) is measured and can be deducted from the...

Last reply: Sofia Barahona, May 31, 2022, 11:33 am

Use of alternative standards- UK

CI-v4 EQc9: Acoustic performance
posted by R Jones on May 31, 2022, 6:54 am

Hi - what other standards are allowed as an equivalent to the ASHRAE standard? is the British Council for Offices (BCO) guidance accepted for all parts ?


When to submit this credit, DR or CR? Documentation of distribution of menstrual hygiene products

Pilot-Credits WEpc147: All-Gender Restrooms
posted by Linn Stolt on May 30, 2022, 10:38 am


I am wondering when you should submit the documentation for this credit, during desgin review or during construction review? Where can you see this information? I have the same...

Low Emitting Materials compliant with SCAQMD rule #1168 but without content

NC-2009 IEQc4.1: Low-emitting materials - adhesives and sealants
posted by Cecile de Villemeur on May 27, 2022, 12:16 pm


could you help me ? I wonder how I could assess a product which gives the statement that it is compliant with the...

Metal stops for Tiles

NC-2009 IEQc4.3: Low-emitting materials - flooring systems
posted by Cecile de Villemeur on May 27, 2022, 12:58 pm


Do you think that metallic stops for tiles should be assessed as flooring systems for IEWc4.3 credit ? THanks !