Okay, I'll start this off by stating the requirement, and then asking a (simple) question. LEED v4 requirement: Locate on a brownfield where "soil or groundwater contamination has been identified"

we have a VRF(Variable Refrigerant Flow​) system for air conditioning . if we want to execute commissioning , how can i do this credit ? how to verify VRF system performance? thanks .

Dear All,

Our project is located in Portugal and the project team is intendend to install a WaterSense irrigation controller.

Our project will be supplied bricks from Austria and potentially rebar from Turkey or Bosnia and Herzegovina.

Does anyone have access to a working LEED Online template? My project is in precertification, forms not yet available.

Dear All,

Can we achieve the enhance indoor air quality strategies point by using 100% fresh air unit without using filtration media in large working halls.

Our CI project Owner is occupying 100% of the building, including core space. They are also responsible for operations and maintenance practices. However, they are do not own the building.

Hi folks,

The LEED reference guide indicates "Retail projects may conduct the testing within 14 days of occupancy." I read this to mean that air sampling can occur up to 14 days post occupancy.

Hello - I noticed that there are default SRI values available for use for the ground SRI values through CIR #10411 - just as was done for LEED 2009 - are there some default values that can be