If existing site (or off-site) concrete is crushed and used for sub-grade base, is that re-used or recycled?

I have two questions concerning Task Lighting: 1- for an office building, should I count task lighting as process load? 2- For Base-case Simulation, does the LPD limit set by ASHRAE 90.1 include

Hello, Does anyone know if we can use paints or coatings with VOC content well above the LEED requirements, as long as the envelope walls are not yet constructed (i.e., the surfaces are considered

Has there been any commentary on whether how "e-cigarettes" align or do not align with the intent of this credit?

I am working on a project that is on a busy road. There are a couple of bus stops (two different routes) on the other side of this road from my project.

Is it mandatory to have recirculation (for a system 4)?

What is the appropriate category for Foster 85-20? Our contractor told us that it was Special Purpose Contact Adhesive. And how do we verify this?

Hi to all: Please help me to clarify how the baseline model is defined for the M&V plan, it is clear that for the "actual case" the proposed model created for the EAc1 must be calibrated based

Hi, Would a project be eligible to apply for this credit if the scope of work includes the provision and installation of 100% of the fan coils serving the certifiable space, even if they don't ha

Hi Tristan! I am studying for the LEED 2009 ID+C and am confused regarding the graphics for the above credits and the way the EP is mentioned. They seem to differ.