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Rainwater Collected for Irrigation

NC-v4 SSc4: Rainwater management
posted by Andrea Valentini on Apr 2, 2019, 6:47 am

Hashir Usman LEEDuser Basic Member May 5, 2020- 8:18 am Hi Andrea, LEED Guide says ''All runoff from the chosen percentile of precipitation events must be managed such that there is no surface discharge from the site. Techniques include, but are not limited to, infiltration, storage and re-use, bioretention, open-grid pavement, and the reduction of impervious area.'' So, I guess it is to use all those techniques that best mimic the natural hydrological conditions before any development occurred. And I read it in this forum that only storing and reusing the runoff volume does not comply...

Last reply: Gustavo De las Heras Izquierdo, Jul 11, 2020, 8:57 am

Envelope commissioning

NC-v4 EAc1: Enhanced Commissioning
posted by Ricardo Sá on Jul 10, 2020, 10:18 am

Dear All,

In the context of a large new Office Building (22 000 m2) which field-tests are required as a minimum under the scope of Building’s Envelope Commissioning?


Last reply: Gustavo De las Heras Izquierdo, Jul 11, 2020, 8:53 am

Number of different crops using herbs

Pilot-Credits SSpc82: Local food production
posted by Gustavo De las Heras Izquierdo on Jul 11, 2020, 8:41 am

Hallo, our project team is pursuing this credit and we have an enquiry that some of you might be able to solve: 

Does anyone happen to know if different herbs count as different production...

LEED Credential Maintenance and Project Participation Hours

LEED Recertification: When and How
posted by Scott Edwards on Jul 10, 2020, 8:19 pm

Regarding claiming hours for working on a LEED registered project, I've seen that "Work on projects registered for LEED... certification count for 1 rating system-specific CE hour per credit...

What qualifies as a carshare program?

NC-v4.1 LTc7: Reduced parking footprint
posted by Jill Kurtz on Jul 10, 2020, 2:52 pm

Do we have any idea of what qualifies as "car share" program under option 3? We are helping design a buildnig on a golf course and there are vehicles for employees to use around the facility....

Vegetated external shades

CS-v4 EAp2: Minimum Energy Performance
posted by Maria Grimm on Jul 8, 2020, 6:03 pm

I am working on a project that is designing external vegetated shades/screens. For local code compliance, we are not allowed to include the vegetated shades in our energy model. Are we allowed to...

Last reply: Maria Grimm, Jul 10, 2020, 2:10 pm

DES Proposed Case Default Efficiencies

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Jul 10, 2020, 10:10 am

Dear All,

According to the section “Further Explanation” of the LEED Web guide, projects that are served by district energy systems (...

Last reply: Marcus Sheffer, Jul 10, 2020, 12:57 pm

NC / CS Mix

NC-v4 EAp2: Minimum Energy Performance
posted by Maria Grimm on Jul 9, 2020, 6:43 pm

Question regarding a project that is registered as NC. The project is a approximately 70% residential (NC) and 30% core & shell office. When calculating the energy credit - is there a way we...

Last reply: Marcus Sheffer, Jul 10, 2020, 12:54 pm

Will a TSCA Title VI Certification Provide Credit for LEED Points?

NC-v4.1 EQc2: Low-emitting materials
posted by Angela Rogers on Oct 5, 2019, 11:48 am

Erica Downs Sustainability Consultant The Green Engineer LEEDuser Premium Member 3 thumbs up January 6, 2020- 11:00 am Hi Angela- I was just looking for the same info.  Hopefully you've received an answer to your question, but just in case, check this thread under NCv4: https://leeduser.buildinggreen.com/forum/us-epa-tsca-title-vi-ulef-products Log in or register to post comments Ralph Bicknese Principal Hellmuth & Bicknese Architects LEEDuser Premium Member 11 thumbs up May 15, 2020- 2:46 pm We have been working on the same issue but have not been able to find a definitive answer. We...

Last reply: Adam Yarnell, Jul 10, 2020, 10:30 am

Environmental Product Declarations Exemplary Performance

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Shane Doyle on Jul 7, 2020, 11:44 am


I have a question in relation to achieving exemplary performance in the Environmental Product Declarations credit in the In LEED V4 BD+C. To achieve 1 point for exemplary...

Last reply: Bipin Karki, Jul 10, 2020, 10:10 am