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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

Skipping the IAQ Assessment for CO2 and TVOC

EBOM-v4.1 EQp4: Indoor Environmental Quality Performance
posted by Maysoon Al-Khuraissat on Apr 28, 2022, 9:04 am

The requirements in the LEED v4.1 Guide for the  v4.1 EQP4- Indoor Environment Quality Performance says: (Conduct an occupant satisfaction survey and/or an indoor air quality evaluation.). So,...

Last reply: Patrick Murisset, May 2, 2022, 9:56 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 (...

GHG Emission Factor for Saudi Arabia

NC-v4.1 EAp2: Minimum Energy Performance
posted by Kathy Wong on Feb 17, 2022, 8:43 pm

We are trying to figure out the...

Last reply: Tyler Thumma, Mar 3, 2022, 10:25 am

Indoor water use calculator

NC-v4 WEc2: Indoor water use reduction
posted by Dina El-Sady on Jan 20, 2022, 6:02 am

Why the indoor water use calculator  excel sheet is protected ?Any clue about the password?

Last reply: Maria Porter, Jan 20, 2022, 8:18 am