I have attended numerous seminars, including an all-day workshop at GreenBuild, on V4 and V4.1, and every time I was told that for this credit, the minimum required vegetated area is 25% of the 30%

I have been trying to find time to take the LEED AP exam but other projects that I'm a part of have been taking up my time that it makes it difficult to study now.  However, my colleague who i

In our CI Project, we have a single Tenant.  Per this credit, is a meter required for every floor of this 8 floor building?  We believe that is not required for this CI project.

Can short and long term spaces be located together as long as all other requirements are met? 

I have a new school project which currently has ionization devices throughout the HVAC RTUs.  These ionization devices reduce the required outside air.

Dear all, 
I need your professional opinion about a project that I am currently working on.

I have a project in a peculiar situation that is not addressed outright by the guidelines language and I can use some help in interpreting the rules. 

Can you meet the enhanced ventilation performance criteria by providing >30% ventilation for the building as a whole, even if you do not meet this performance for all zones/spaces?

The performance period for our project is only 90 days.

Our project has a porcelain tile floor with an anti-fracture and waterproofing membrane under it. Does the membrane product need to meet requirements for IEQc4.3?