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, 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?

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

We have two CS v2009 projects in which a single epoxy floor coating exceeds the allowed VOC content. All other flooring products and coatings are compliant.

I watched the webinar on how to use the new site on January 5, and I have been to the uploads page for the project in question but I can't remember how to upload docs and how to delete previously u

We are a wood floor contractor who often does site finished wood floors on commercial LEED projects, mostly in Texas. The water based urethane we use states the following on the MSDS VOLATILE ORGAN

The proposed system includes an ERV serving two packaged rooftop units.

I have two products - Uniboard Nugreen Particleboard and Temple Inland Ultrastock free MDF which both claim to contain 100% recycled/recovered fiber on a dry weight basis.

Many wall/roof systems have more than one air barrier - what exactly defines what is inside the weather/air barrier - the most interior air barrier? a minimum perm rating?