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NC-v4 EQp1: Minimum indoor air quality performance
posted by Gustavo De las Heras Izquierdo on May 17, 2017, 12:48 pm


In an office building located in Mexico City (a location with a high PM2.5 and ozone levels), the floors are served by AHU’s equipped with...

Last reply: Christopher Schaffner, Jun 13, 2017, 1:35 pm

MERV filters

EBOM-v4 EQp1: Minimum indoor air quality performance
posted by Gustavo De las Heras Izquierdo on May 4, 2017, 8:19 pm

Is there any mandatory filter efficiency requirement (...

Last reply: Trista Little, Jun 5, 2017, 8:18 pm

Alternative Compliance Path

CS-2009 EAc1: Optimize Energy Performance
posted by Gabriela Mena on Jun 1, 2017, 2:24 pm

We are working in a Core and Shell project that was registered after april, 2016, from that date to comply with the pre requisite we need to achieve at least 14% savings, We want to...

Last reply: Marcus Sheffer, Jun 1, 2017, 2:35 pm

Alternative Compliance Path

NC-v4 EAc2: Optimize Energy Performance
posted by Gabriela Mena on Jun 1, 2017, 1:58 pm

Marcus Sheffer LEED Fellow, 7group / Energy Opportunities LEEDuser Expert 5508 thumbs up June 1, 2017- 2:19 pm This only applies to LEED v2009 projects. Please post in the appropriate forum and I will respond. Log in or register to post comments ...

Last reply: Marcus Sheffer, Jun 1, 2017, 2:19 pm


CI-v4 EQc7: Daylight
posted by Gabriela Mena on May 8, 2017, 4:57 pm


We have a CI project that is in a CS Platinum V3 building, the building achieved the IEQ C8.1 for the Core & Shell under Option 1.
I want to know if it is possible to...

Last reply: TODD REED, May 9, 2017, 8:44 am

About disturbance considerations for retention walls.

NC-2009 SSc5.1: Site development - protect or restore habitat
posted by Mauricio Ramirez on Mar 3, 2017, 5:24 pm

Hi everyone:

I have a Project that needs to have large retention walls close to the office and main acces road. Therefore, we have staggered concrete retention walls confining the...

Last reply: April Brown, Apr 27, 2017, 1:53 pm

Robotic Parking Garage Ventilation

NC-2009 IEQc5: Indoor Chemical and Pollutant Source Control
posted by Gabriela Mena on Apr 18, 2017, 7:12 pm

We have designed a project in Mexico which includes 5 levels for parking garage but it is a robotic parking, we are including a small ventilation fan for each level that provides approx...

Last reply: Michael Smithing, Apr 19, 2017, 10:10 am

Belated Project Registration / Certification Process Feedback

General forums
posted by Daniela Mendez on Apr 5, 2017, 4:23 pm

Our project is a possible CS, comprised of office, residential and commercial spaces located in Mexico City. The project is not yet registered but is still in construction (since 2012), and we...

Last reply: K Nakamura, Apr 5, 2017, 4:41 pm

TVOC certificate for a glass fiber tank

NC-v4 EQc2: Low emitting materials
posted by Lourdes Salinas on Mar 29, 2017, 12:15 pm

For a project that has a glass fiber water tank inside the weather barrier in a utility space (not a working space), do we need to get a...

Last reply: Reinhard Oppl, Mar 29, 2017, 6:58 pm

Medical Equipment Specification

Healthcare-v4 WEp2: Indoor water use reduction
posted by Gabriela Crespo on Mar 14, 2017, 1:40 pm

Dear all,

We're working on a HC project in Mexico, but we seem to be having trouble complying with what is required for process equipment in table 5 of this pre-req. Would somebody be...