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Interiors Life-Cycle Impact Reduction- Option 3 Design for Flexibility

CI-v4.1 MRc2: Interiors life-cycle impact reduction
posted by Laura Riegle on Jul 13, 2022, 9:26 am


I am persuing the "Interiors Life-Cycle Impact Reduction" credit,  Option 3: Design for Flexibility for a CI project.

In the project, there are concrete floors (no systems to...

LEED OM V4.1 Location problem

EBOM-v4.1 LTp1: Transportation Performance
posted by Saba Hajizadeh on Jun 21, 2022, 6:14 am

Hello everyone,

I'm working on a project, the location of this building is Iran, but I couldn't find it on the ARC website. Do you have any suggestions? What should I do?


Compliance of Lighting fixtures

NC-v4.1 EQc6: Interior lighting
posted by Ellis John Mandia on May 23, 2022, 1:52 am

Hello all,

Here is a actual problem I have encountered. What will happen if the lighting consultant has provided the necessary documents that comply with all the requirements for the...

Different Baseline HVAC System

NC-v4 EAp2: Minimum Energy Performance
posted by Amal Venugopal on May 17, 2022, 4:50 am


We have begun the energy modeling for factory building. In addition to the factory, the building houses a warehouse and an administration office. The building has 2,00,000...

Last reply: Marcus Sheffer, May 17, 2022, 9:31 am

District cooling chilled water

CS-v4 WEc2: Indoor water use reduction
posted by Dina El-Sady on Apr 27, 2022, 6:42 am

If the project is served by a district cooling plant outside LEED project boundary , does the chilled water count as process water and needs to be included in water efficiency calculations?

Last reply: emily reese moody, May 13, 2022, 7:32 pm

Hospitality Rating

LEED Rating System Selection
posted by RIMA BOUDABA on Apr 29, 2022, 2:14 am


I have one resort (43000 sqm) in Riyadh- Saudi Arabia, one palace with 81% refusrbishment and 10 new villas around the palace.

I would like to confirm first if the BD+C...

Uplights in an LZ0 zone

NC-v4.1 SSc6: Light Pollution Reduction
posted by Ellis John Mandia on Apr 11, 2022, 8:36 am

Can the percentage values prescribed in the "Maximum allowed percentage of total luminaire lumens emitted above horizontal" be taken as time-related? For example, if we have uplights in a LZ0...

Last reply: Bill Swanson, Apr 21, 2022, 9:13 am

LEED Campus V4 Matrix

LEED Guidance for Campuses and Multiple Buildings
posted by sana salman on Apr 18, 2022, 7:05 am

Hello , 

Does anyone have LEED v4 campus matric for BD+C. I downloaded LEED guidance for Campus but it has credits and Matrix for LEED 2009. 

also can i register the campus with...

Last reply: Erin Holdenried, Apr 18, 2022, 9:55 am

Option 2:Only CO2 sensors

CS-v4 EQc1: Enhanced indoor air quality strategies
posted by Dina El-Sady on Apr 11, 2022, 6:48 am

The project is totally mechanically ventilated .I am choosing adding CO2 sensors in dense areas for option 2 for additional...

Last reply: Michelle Rosenberger, Apr 13, 2022, 10:12 am

Fire alarm cables (Public Address system) in the hospitals

Healthcare-v4 MRc6: PBT source reduction - lead, cadmium and copper
posted by Najam Us Saqib on Apr 7, 2022, 2:54 am

Fire alarm cables are same like electrical cables, however, its function is different. The v4 LEED guide uses the words ''Electrical wiring and cabling'' under Lead requirements (...