Under ASHRAE 90.1 - G3.1.1 do I HAVE to use exception C for any zones having special pressurization relationships, cross contamination requirements, or code-required minimum circulation rates?

Hi, Are fire suppression systems and their OPD and GWP addressed by this credit?

Hi, Can please someone give his/her suggestion on the question I have below ? I received a comment for (Design Preliminary Submission) ventilation calculations indicate a total area (3,055 sqf)

Does anyone have any experience earning compliance with this credit in a Dining Hall application?

In my opinion, LEED 2009 incorrectly categorizes primers. I know that the table issued with the 4/14/10 addendum clearly lumps primers into the GS-11 requirements. This I don’t understand.

For a project where turf grass area is replaced by native low-irrigation demanding planting would baseline landscape type include turf whereas design type include the new water efficient species?

How steel industries produce a waste that considered as a pre-consumer?

A hotel project that the kitchens have independent ventilation and outdoor air system , whether the ventilation of kitchens should be included in the calculation?

We are new to the Leed program and wanting to make sure that we are following all of the guidelines, we have received some instruction however I'm trying to get confirmation that shop applied fini

I see nothing in this credit that discusses commingled diversion methodologies or requires monthly diversion rate backup from facilities like the NC rating system.