I am working on a Fire Station Project.  We are going for the EQ Credit: Enhanced Indoor Air Quality Strategies Option 1.  We are mechanically ventilated in both the Fire Station living s

Hi everyone,

we have a project that includes a delivery entry, which is only used by the responsible service staff for the delivery operation. 

What would be the suggested way to evaluate the performance of a saw cut, or grooved stone, to consider it having "equivalent or better" performance to a metal grille, or o

Perhaps I missed this was snuck in for v4, but what part of laundry makes it now added to the rooms needing exhaust, supply, and negative pressure?

Hi- has anyone gotten verification on whether exterior walk off mats are permitted under v4? The reference guide and current addenda are silent on that detail.

In Philippines which parameters shall be considered to identify whether an area is non-attainable for PM10 and PM2.5?

Can a 10'-0" permanent walk-off mat comply for the entryway requirements, and if so what would be the required weekly maintenance?

Dear All,

Dear All,

Hi,