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Disturbed site

CS-v4 SSc3: Open space
posted by Guillaume Rose on Dec 17, 2019, 1:54 pm

In the case of a rehabilitation project in the center of Paris, on a 100% mineral site, is this requirement applicable?

it is indicated that at least 30% of disturbed space...

Major Renovation or EBOM?

LEED Rating System Selection
posted by Christine Recke on Jun 24, 2019, 5:16 am

We intend to certify an existing office building which is going to be renovated with the following criteria:

  • 40% of the overall building area will be renovated
  • The project is...

Last reply: David Posada, Nov 27, 2019, 4:26 pm

LEED project with laboratoria

LEED Rating System Selection
posted by Ydo Schuuring on Nov 14, 2019, 7:49 am


For a possible LEED v4.1 new construction project I need to determine which LEED scope is applicable. The project contains of offices and Laboratories.

I can't find...

Last reply: David Posada, Nov 14, 2019, 8:45 pm

Lift Cycle Analysis

CS-v4 MRc1: Building life-cycle impact reduction
posted by Guillaume Rose on Nov 8, 2019, 11:11 am


When i read the leed v4 referential, we see that for the life cycle analysis, only the products that are measured with surface calculation are taken into account in the calculation...

Infra-red electronic basin mixer

CS-v4 WEp2: Indoor water use reduction
posted by Hatice G. on Oct 28, 2019, 7:59 am

Dear all,

in our office project we will use public lavatory restroom faucets that has infrared sensors which detects hand movement. So water only runs when it’s needed. In this...

Last reply: emily reese moody, Nov 6, 2019, 10:57 am

Green roof- no irrigation system but manual watering during hot summer months- relevant?

NC-v4 WEp1: Outdoor water use reduction
posted by Benjamin Weise on Feb 27, 2019, 2:12 am


the project I'm working on is a zero lot project with green roofs. There will be no irrigation systems in place but during hot summer months, the green roofs will need to be watered...

Last reply: Benjamin Weise, Nov 4, 2019, 3:05 am


Passive House Discussion Forum
posted by Mélanie Bouchenez on Oct 11, 2019, 6:39 am


I work on LEED projects in France. The LEED repository specifies when the requirements can respect local standards. Is there a list of French local standards accepted by the USGBC...

EAp2-Energy Modeling_ Natural Ventilation/cooling Equivalent in Baseline models?

Mid-Rise-v4 EAp1: Minimum Energy Performance
posted by Claudio Leon on Oct 10, 2019, 4:02 am

Dear all,

As many of you may know, up until now ROS such as office rooms (Office), Bedrooms(Residental), etc. are not required to be mechanically cooled and sometimes not even ventilated...

Calculating daily average and peak total occupants

Calculating FTEs
posted by Nicole Isk on Oct 4, 2019, 11:24 am


i have a question regarding the calculation of the daily average and peak total occupants, because we received a review commnt on this topic. I have no idea how to calculate it and i...

Last reply: David Posada, Oct 4, 2019, 10:13 pm

Completed scope of Cx cycle prior to date of application

EBOM-v4 EAc3: Ongoing commissioning
posted by Christian Bösselmann on Sep 11, 2019, 10:46 am


We´d like to prove implementation of the EAc2.3 in an Office Tower according to LEED O+M v4. 


Last reply: Christian Bösselmann, Sep 16, 2019, 2:43 am