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Project size increase

CS-2009 IEQp1: Minimum indoor air quality performance
posted by Silvia Ruiz on Jun 5, 2017, 6:24 pm

Dear all

In a project that we are certificating LEED C&S v3 the owner has modified the OPRs, specificly the project size and the MEP system.

1. The project size has increased...

Last reply: Tristan Roberts, Aug 26, 2017, 12:08 pm

Thermal Comfort Controls

NC-v4 EQc5: Thermal comfort
posted by LEED Pro Consultant on Feb 28, 2017, 1:04 pm

We are working on a project mainly dedicated to showers (83) and changing rooms (20) of a very large complex, with no workspaces within it, Could the project comply with this credit by excluding...

Last reply: Tristan Roberts, Aug 26, 2017, 9:08 am

Thermal controls for 50% occupants

CI-v4 EQc5: Thermal comfort
posted by Gabriela Mena on Jul 20, 2017, 1:40 pm


We have a project in Mexico City, the system is VRF and for the interior spaces we have Fan coil units, approximately 60% of the project area is open office space and it is...

Last reply: Parker Hall, Aug 8, 2017, 12:40 pm


Homes-v4 EQp1: Ventilation
posted by Gustavo De las Heras Izquierdo on Jul 14, 2017, 10:44 am

Has anyone installed an ERV ventilation system? Does it need to be Energy Star certified or this requirement is only for extractors?

Last reply: Ian Johnson, Aug 6, 2017, 11:14 am

Option 1 Skylights

CS-v4 EQc4: Daylight
posted by Edna Urias on Aug 5, 2017, 3:28 pm

We are installing polycarbonate skylights on an industrial plant Core & Shell project. In order to comply with Option 1, i noticed it requires blinds as glazing elements to be installed,...

Baseline system selection

NC-v4 EAp2: Minimum Energy Performance
posted by Gaston Michaud on Jul 26, 2017, 7:38 pm

Hello everyone,
We are working with a building that has a complicated geometry, and the selection of the baseline system is not that evident. We are able to identify 5 main floors, but it...

Last reply: Marcus Sheffer, Jul 28, 2017, 12:13 pm

Product type classification

NC-2009 IEQc4.1: Low-emitting materials - adhesives and sealants
posted by Raquel Ortiz on Jan 23, 2017, 5:23 pm

I have a project where a Stonhard flooring system will be installed, like a terrazzo floor characteristics,
The system has a hardener for two components coating and a quartz...

Last reply: Susan Walter, Jul 25, 2017, 4:06 pm

Automatic Receptacle Control

CI-v4 EAp2: Minimum Energy Performance
posted by Gabriela Mena on Jun 19, 2017, 6:21 pm


We have a CI project in Mexico City, for the receptacle control we are specifying 50%of private and open offices with a timer. However we want to know if it is accepted if we also...

Last reply: Marcus Sheffer, Jun 20, 2017, 9:25 am

Showers & Changing Facilities

CS-v4 LTc6: Bicycle facilities
posted by Edna Urias on Jun 15, 2017, 1:57 pm

We were wondering if a Core & Shell building will be subdivided in a future for 2 tenants, do we have to consider shower facilities at 100 feet from each main entrance ? Which in this case...

Last reply: Edna Urias, Jun 16, 2017, 3:24 pm

LEED methodology for calculating water use/efficiency baseline

NC-2009 WEp1: Water Use Reduction
posted by Kwame Emmanuel on May 30, 2017, 2:50 pm

Greetings, I am currently researching the LEED methodology for calculating a water use/efficiency baseline for the housing sector. Any links or advice would be greatly appreciated. Regards.

Last reply: Charles Nepps, Jun 6, 2017, 4:40 pm