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Calculation in relation to the basic model

NC-v4.1 EAc2: Optimize Energy Performance
posted by Léanna Chérot on May 31, 2021, 3:55 am

In the context of a project half offices and half factory New construction carried out on 3 floors, the last one will not be occupied, not heated and not ventilated. It will remain...

Last reply: Marcus Sheffer, Jun 30, 2021, 8:59 am

Option A: Luminance, UGR is working?

NC-v4 EQc6: Interior lighting
posted by Marius Dabonneville on Nov 13, 2017, 5:43 am

Hi everyone, 

We're actually working on a project in France. Lighting system suppliers only give us the Photometric curv in cd/klm and no in cd/m². The EN 12464 defines luminance with UGR...

Last reply: Alberto Barbera, Jun 30, 2021, 3:05 am

smoking on private balconies

NC-v4 EQp2: Environmental tobacco smoke control
posted by Andreas Hintz on Sep 9, 2016, 9:33 am

We have an upcoming international new construction project of a multi-family residential building. Due to its numbers of stories LEED NC v4 is the most appropriate rating system to use.


Last reply: Jessica Malta, May 19, 2021, 5:18 pm

Hybrid recooler

NC-v4 WEc3: Cooling tower water use
posted by Florian Schmidtchen on Aug 8, 2017, 6:05 am

Dear all,

Our MEP Engineer wants to implement a dual recooling system/the hybrid recooler of the series KAVH. For our building type and the location in Germany with strong temperature...

Last reply: J Schütz, Apr 13, 2021, 9:11 am

Bikeshare requirements

NC-v4.1 LTc6: Bicycle facilities
posted by Maria sAra Di maggio on Apr 29, 2019, 6:17 am


How many shared bicycle stations need to be implemented in order to reduce the long term and short term bicycle facilities by 50%?




Last reply: David Hubka, Apr 11, 2021, 3:08 pm

Decentralized PM measuring devices permanent installation

NC-v4.1 EQc4: Indoor air quality assessment
posted by Sascha Krause on Mar 3, 2021, 9:48 am

Hello all,

It's first time that I work with LEED regulations and can't find something about permament installation of PM measuring devices and whether installed devices can improve the...

Base building versus tenant metering

CS-v4 EAp3: Building-level energy metering
posted by Jens Apel on Jul 18, 2017, 8:52 am

Maybe I am overly cautious, but I would like to clarify the following. The Ref.Guide states "...

Last reply: Kristina Kouyoumdjian, Feb 19, 2021, 10:35 am

Leedonline-question concerning the registration

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by Stephan Zweig on Oct 21, 2020, 5:49 am

Hello to all users,

1. In Leed online at the regitration form I see the option LEED BD+C v4, and  LEED BD+C v4.1.

 Can I register  the project under LEED v4 BD+C New...

Last reply: Konstantina Kalliakoudi, Oct 29, 2020, 9:02 am

Change of rating system during certification progress

LEED Rating System Selection
posted by louise renesme on Oct 16, 2020, 10:38 am

Is it possible to change our rating system even if our design review has already been submitted and we got the feedback ?

Our project is currently under the LEED NC 2009 BD+C...

Koolshade as glare-control

NC-v4 EQc8: Quality Views
posted by Audrey LEDESERT on Aug 27, 2020, 2:15 am

Of course, I won't redirect the reviewer to a website, it was just for illustrating the product for the forum. Concerning this criterion, I just have an uncertainty about the "obstructed view"...

Last reply: Audrey LEDESERT, Aug 31, 2020, 3:52 am