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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

Project located on reclaimed land

NC-v4 MPR1: Must be in a permanent location on existing land
posted by Nermin Hegazy on Nov 28, 2021, 1:03 am

I would like to know what is LEED's take on developing a site which is on reclaimed land.  The land for the site is not specifically claimed for the project, it has been reclaimed about 15-20...

Last reply: Tristan Roberts, Dec 3, 2021, 1:57 pm

Preparing concept HVAC requirements

NC-v4 EAc2: Optimize Energy Performance
posted by Dina El-Sady on Nov 30, 2021, 9:48 am

Is it a must to start a simple box energy model for a new project to extract HVAC requirements to acheive a certain level of energy savings?

Oe is there a guide that can be used to extract...

Last reply: Marcus Sheffer, Nov 30, 2021, 10:06 am

Reclaimed land

NC-v4 LTc2: Sensitive land protection
posted by Nermin Hegazy on Nov 28, 2021, 12:38 am

What is LEEDs take on reclaimed land that has not been previously developed? Can it still achieve the sensitive land protection credit if it does not meet the criteria for sensitive land, it is...

Last reply: Justin Shultz, Nov 29, 2021, 1:50 pm