Is it allowed to install additional door arrest systems or free-swinging closers to the self-closing doors, so that in case the occupant is able to keep the door open for a short period?

Hi, an occupant in our project building (office) insists on indoor smoking. He agreed to installing a cabin in his kitchenette (they already smoke there).

Hi, in every LEED Project we do struggle in obtaining the material costs as many companies refuse to split their invoices in those for material and those for labour. Question is whether the assumpt

What is the right definition of street frontage?

Dear all, As we all know it is possible to get ‘Exemplary-Performance-Points’ by double the appropriate credit requirements.

Does anyone know if there are definitions for the different irrigation types? Especially the differences between the two drip types would be of interested. Thanks, Jens

certified projects are still displayed and accessible at the new LEED Online?

Hello, a question concerning WEp1 Could I use the flow rate in Units of gallons per cycle (gpc) instead of USgallons per minute (USgpm) for the Shower as Fixture Family in Table WEp1-4.Flow Fixt

Dear all, We have mechanically ventilated spaces. For the option 1 we therefore have to comply with the requirement B. interior cross-contamination prevention.

Dear LEED community, we are working on a project in Berlin, Germany.