Minor change: Definition of plenum. Might be worth coordinating with ICC, NFPA, ASHRAE definitions.
https://share.ansi.org/Shared%20Documents/Standards%20Action/2019-PDFs/SAV5001.pdf
Minor change: Definition of plenum. Might be worth coordinating with ICC, NFPA, ASHRAE definitions.
https://share.ansi.org/Shared%20Documents/Standards%20Action/2019-PDFs/SAV5001.pdf