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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

SSP1 scope

NC-v4 SSp1: Construction Activity Pollution Prevention
posted by Adam Insan on Oct 16, 2019, 11:47 am


We are working on LEED project as general contractor in middle east which is registered under LEED new construction. 

As a part of compliance with SSP1, we have implemented...

Last reply: Jose Gonzalez, Jan 18, 2022, 11:00 am

Missing parameters in water analysis- urgent query

NC-v4 WEc3: Cooling tower water use
posted by Nermin Hegazy on Jan 14, 2022, 1:32 am

Hello all!

I was able to get the water analysis report from the responsible party, however they don't measure the Silicon oxide parameter, can we still target this credit if all other...

Last reply: Zeynep Cakir, Jan 14, 2022, 12:36 pm

Green roof

NC-v4 SSc4: Rainwater management
posted by Dina El-Sady on Jan 4, 2022, 7:30 am

Is my understanding correct that the building roof must be green to satisfy this credit ? The project is an office building with most of the parking underground and a small surrounding paveway...

Last reply: Gustavo De las Heras Izquierdo, Jan 6, 2022, 5:17 am


CI-v4 EAp2: Minimum Energy Performance
posted by S S on Sep 24, 2021, 3:35 am

Hello to All,


I am doing the energy model for Office Building which has located in Basement. In our software, U value only can be given as input.

In this case,...

Last reply: Tyler Thumma, Dec 15, 2021, 2:07 pm