Due to REC pricing violitility it may make sense to purchase the credits earlier in the project. Can RECs be purchased before the LEED project is registered?

I am looking for clarification on the Zone Discharge Airflow (Vdz) and Zone Primary Airflow (Vpz) values under the multiple zone systems.

For Schools, the LEED v4 Reference Guide states that the project has to meet the percentage reduction requirements AND "install equipment within the project scope that meets the mi

I am seeking to identify/establish SR value for aluminum canopies.  Canopy manfacturer does not have a clue what I am looking for.  Is there an industry standard SR value for un

I am reviewing the requirements for the 

In our early childhood education center, the large outdoor play space is supplemented with a separate support building that provides additional opportunity for children to experience the connection

The following credit language introduced in LEED v4.1 leaves me with some questions regarding Declare labels:

Hello, 

I have a question regarding glare ratings for open air showrooms. 

The existing form requires that we pick option 1 or option 2...but the new form has option 3.

Does anyone know if we are required to take light meter measurements with the interior lights on or off?