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NC-v4.1 EQc2: Low-emitting materials
posted by Karim Farah on Jan 24, 2024, 4:46 pm


I am seeking clarification on a specific requirement mentioned in LEED V4.1 EQ Credit: Low Emitting Materials, specifically on page 235. The document mentions that...

Last reply: Denise Bevilaqua, Jan 24, 2024, 6:39 pm

Water Calcultion for Commerical ID+C project

CI-v4 WEc1: Indoor water use reduction
posted by Amgad Khattab on Aug 16, 2023, 7:51 am

We have a project with the following :

- Tenet space has not any WC [Toilets] in the tenet space. but they are using the WC in the core area.


- the building containing...

Last reply: emily reese moody, Aug 17, 2023, 2:03 pm

Rating System Selection [ID+C or BD+C]

LEED Rating System Selection
posted by Amgad Khattab on Aug 16, 2023, 6:15 am

We have a project with the following description:

- the building is 10 floors and the owner renting the whole building.

- The Building envelope construction is complete.


core and shell data center

Data-Centers-NC-v4 EAp2: Minimum Energy Performance
posted by Amgad Khattab on Jul 16, 2023, 4:23 am

Hi everyone,

I'm working on a LEED project for a core and shell data center. The client has not yet purchased the servers, so we don't have any information about their efficiency. I'm...

Last reply: Amgad Khattab, Jul 17, 2023, 1:46 pm

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

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

Path 1. Divert 50% and Two Material Streams (1 point)

NC-v4 MRc5: Construction and demolition waste management
posted by Ayman Khulief on Apr 29, 2021, 4:40 am


I represent a Solid Waste Management company often subcontracted to divert wastes from LEED projects. I have a silly question regarding Option 1. Diversion (1–2 points)...

Last reply: Susan Di Giulio, Oct 25, 2021, 2:04 pm

Can we certify only the administrative building in a pharmaceutical factory project?

NC-v4 MPR2: Must use reasonable LEED boundaries
posted by Amgad Khattab on Jun 22, 2021, 11:43 am

We have a pharmaceutical factory project consists of the following buildings: -
1. An administrative building (Ground + 3). 
2. A Production building (Ground +2).
3. A Warehouse...

Last reply: Dave Hubka, Jun 24, 2021, 9:58 pm

ASTM E1527-13 equivalent standard in Europe

Schools-NC-v4.1 SSp2: Environmental Site Assessment
posted by Alexandre DENEUVILLE on Jun 16, 2021, 5:04 am

Dear all, 

We have to carry out an environmental...

Boarding school

NC-v4 LTc5: Access to quality transit
posted by Hossam Jacoup on Dec 15, 2020, 4:30 am

 ?Is option 2 in Access to quality transit credit can be applied for boarding school project

Specially that students will not leave the school during weekdays as there a hostel in the...