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Recycling Building Products

CS-v4 MRc5: Construction and demolition waste management
posted by Ciaran McCabe on Oct 7, 2019, 5:07 pm

Hi, if existing building materials, such as concrete as an example, is removed from site during demolition, is there benefits if this was processed offsite and reused in there of gravel for the...

Last reply: Tristan Roberts, Oct 15, 2019, 7:25 am

Recycled Content of Concrete Documentation Issue due to Concrete supplier considering information proprietary

NC-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Adrienne Lynn on Oct 9, 2019, 1:15 pm

I was wondering if anyone had trouble getting concrete mix design information (mass of recycled SCM's and material costs of concrete) due to the concrete supplier considering this information as...

Last reply: Tristan Roberts, Oct 15, 2019, 7:24 am

Emergency generator building

NC-v4 MPR2: Must use reasonable LEED boundaries
posted by Priscillia Champagne on Oct 8, 2019, 1:06 am

I am starting a project in which we are building a new addition to an existing hospital which will be approx. 30 000 m2 (considered separate building from existing hospital). In the same scope of...

Last reply: Tristan Roberts, Oct 15, 2019, 7:17 am

municipality irrigation line

CS-v4 WEc1: Outdoor water use reduction
posted by Radwa Amin on Apr 1, 2017, 11:54 am

the district that the project is located in has a municipality water line dedicated to irrigation and it is not potable water (recycled).
Does that count as an alternative water sources?...

Last reply: Lina Bourgeois, Oct 15, 2019, 3:26 am

Modeling baseline with System 2 of proposed hotel building with system 8

CS-v4 EAp2: Minimum Energy Performance
posted by Natalia Quintanilla on Oct 9, 2019, 6:32 pm


I'm modeling a 12-floor hotel building located in Dubai that uses System 8:...

Last reply: Natalia Quintanilla, Oct 14, 2019, 2:50 pm

MRc2.2 Requiered information

NC-2009 MRc2: Construction Waste Management
posted by Victoria Rios Esteve on Jul 24, 2019, 2:46 pm

Hi everyone!

I´m pretty new at LEED certification process, so I will really appreaciate your help. 

We are close to upload the construction submittal on a project we have been...

Last reply: Tiffany Beffel, Oct 13, 2019, 10:15 pm

Barriers in implementing Material Transparency in LEED v4 projects

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by SUSAN THOMAS on Apr 11, 2019, 9:49 am

What are the challenges in determining the environmental qualities and human health impacts of building materials or products in LEED v4 projects? (Eg: Is it the lack of supply of healthy...

Last reply: Tiffany Beffel, Oct 12, 2019, 12:47 pm

Construction Waste Recycling Plant distance from Site

CI-v4 MRc6: Construction and demolition waste management
posted by Ana Mendoza on Apr 11, 2019, 11:23 am


We are currently working in a location where there aren't any gypsum recycling plant within a 200 mi radius. We have been looking 

for information that specifies the max...

Last reply: Tiffany Beffel, Oct 12, 2019, 12:32 pm

ASHRAE 90.1.2010 Mandatory & Prescriptive Requirements vs Energy Model

CI-v4 EAc2: Optimize Energy Performance
posted by Nikhil Kumar on Oct 9, 2019, 9:57 am

Hi to all,

I am doing energy model for one of our LEED CI Project under v4 rating system. 

The following contents are copied from reference guide,

Option 1. Tenant-level...

Last reply: Marcus Sheffer, Oct 11, 2019, 10:17 pm

Cooling Only Rooms- Correct Baseline type

NC-v4 EAp2: Minimum Energy Performance
posted by RDK E&S on Oct 9, 2019, 4:20 pm


I'm working on a 3 floor 145,000 sf manufacturing-type facility with a large cold room in the Northeast. The room is a walk-in storage room set to just above freezing 24/7. Would it...

Last reply: Marcus Sheffer, Oct 11, 2019, 10:12 pm