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Entryway system extends into elevator

NC-v4 EQc1: Enhanced indoor air quality strategies
posted by Angela Barreto on Jul 12, 2019, 5:25 pm


we have a project with a complying entryway system at ground level. However, the LEED reviewer has pointed out an entryway system is also required at the elevator lobby in our...

Exhaust not interlocked with HVAC

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge López de Obeso on Nov 14, 2018, 11:38 am

Hello, we have this residential project were the HVAC system is as follows:

Baseline: System 2 - PTHP

Proposed: Mini Split System

The thing here is that, as known,...

Last reply: deuisi cromversa, Jul 10, 2019, 4:43 pm

Recommendation for simple equipment purchased online for CO2 and TVOC measurement?

EBOM-v4.1 EQc1: Indoor Environmental Quality Performance
posted by CBRE Sustainable Building Advisory on Jul 4, 2019, 5:00 pm

Could there be any recommendation of simple equipment purchased online for the measurement of CO2 and...

Zero lot line projects

NC-v4 SSc4: Rainwater management
posted by Gustavo De las Heras Izquierdo on Mar 26, 2015, 12:47 pm

Path 3 states: "manage on site the runoff from the developed site for the 85th percentile ". I guess this requirement was made to exclude the sidewalk from calculations. Am I reading this...

Last reply: David Hubka, Jun 20, 2019, 7:52 pm

Percent of Occupants with access to the fixture.

CS-2009 WEp1: Water Use Reduction
posted by Guillermo Hernandez Espinoza on Jun 14, 2019, 12:04 pm

Hello everyone.

I'm a bit confused with the Percent of Occupants calculation on the Water Use Reduction Calculator.

We only have one model of toilets and dry urinals.

Last reply: Emily Purcell, Jun 14, 2019, 1:51 pm

Retail Terrace

EBOM-v4 SSc4: Light Pollution Reduction
posted by Jorge López de Obeso on Apr 22, 2019, 3:07 pm

Hello everyone, We are working on a project attempting option 2: Perimeter measurements. 

How should exterior lighting in terraces from retail should be addressed? specifically in this...

LT Prerequisite: Transportation performance

LEED v4.1 for Building Operations and Maintenance
posted by Gaston Michaud on Jan 31, 2019, 4:32 pm

Hello everyone!

If you are familiar with the calculations of this prerequisite, you'll notice that you basically calculate the average...

Last reply: Gaston Michaud, Mar 19, 2019, 4:07 pm

Scope of credit

CS-v4 EQc3: Construction indoor air quality management plan
posted by ilse angel on Mar 12, 2019, 5:20 pm

During construction there is an stage when the contractor is building the slabs and columns of the levels above the ground floor. Additionally there is no facade or installations yet, and it...

Last reply: Tristan Roberts, Mar 12, 2019, 6:09 pm

Option 1. LEED Energy Budget

Homes-v4 EAc1: Annual energy use
posted by Gustavo De las Heras Izquierdo on Jan 31, 2018, 3:18 pm


The credit requirements state the following: "Projects with major energy users not included in the ...

Last reply: Carissa Sawyer, Mar 11, 2019, 11:56 am

Development density of the surrounding residential zone or neighborhood (units/hectare) CALCULATION.

CS-2009 SSc2: Development Density and Community Connectivity
posted by Guillermo Hernandez Espinoza on Mar 1, 2019, 4:20 pm

Hi, we are pursuing the option 2 and we have no problems selecting the 10 basic services within a 1/2 mile since we are located on an urban core area. 
In the new leed online form, the ...