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how can attachments (drawings, images) be sent in a CIR?

NC-v4 IPc1: Integrative process
posted by Sara BENLOUBA on May 25, 2023, 4:45 am

Dear Everybody,

We would like to send a...

Last reply: Marcus Sheffer, May 25, 2023, 5:47 pm

How contact GBCI for their advice on technical matters

NC-v4 IPc1: Integrative process
posted by Sara BENLOUBA on May 24, 2023, 4:59 am

Dear everybody, 

Please, how do you contact...

Last reply: Marcus Sheffer, May 24, 2023, 10:08 am

Slab / Floor Insulation, is it mandotary

Homes-v4 EAp1: Minimum Energy Performance
posted by Omar Elrawy on Jan 6, 2023, 4:01 am


For the prerequisite requirement to add R-19 insulation to floor / slab under energystar, is it required on every floor?
Knowing that all floors are airconditioned,


Last reply: Brett Little, May 14, 2023, 2:15 pm

Group approach- Minimum requirement compliance

NC-v4 EAp2: Minimum Energy Performance
posted by Luis Andrade on May 2, 2023, 12:54 pm

Hello everyone!

I am working on 2 buildings that are registered in one project following the group approach.

We did not report the buildings seperatly on the MEPC in the first...

Last reply: Marcus Sheffer, May 3, 2023, 11:45 am

Basement lobbies

NC-2009 IEQp1: Minimum indoor air quality performance
posted by Marni Punt on Apr 14, 2015, 4:48 am

We have a project with 3 lobbies located in basement parking. The lobbies are not regularly occupied spaces, but are circulation spaces connecting to the main reception and lobby on the Ground...

Last reply: Andrey Kuznetsov, Apr 29, 2023, 4:07 pm

Vestibules- CIR 10426- Interpretation

NC-2009 EAp2: Minimum Energy Performance
posted by André Harms on Jul 1, 2016, 9:25 am


Last reply: Julio Fernandez Amodia, Mar 14, 2023, 4:51 pm

New Construction project with warehouse and bus parking

NC-v4 LTc8: Green vehicles
posted by Dina El-Sady on Mar 5, 2023, 6:14 am

The project is a production building with a connected warehouse and small office building , the parking located within the LEED project boundary is inclusive of bus parking used for building...

Voltage Drop // mandatory provisions ASHRAE 90.1- 2010- ADDENDA 10218

NC-v4 EAp2: Minimum Energy Performance
posted by Sara BENLOUBA on Nov 22, 2022, 8:41 am

Hello everybody,

We are working on a project under LEED V4 certification.

ABOUT PREREQUISITE “MINIMUM ENERGY PERFORMANCE” , we must comply with the ASHRAE mandatory provisions and...

Last reply: Tyler Thumma, Dec 16, 2022, 10:13 am

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