Mechanical Code…
Includes all ducts, duct fittings, plenums, and fans assembled to form a continuous passageway for the distribution of air.
(Uniform Mechanical Code® 206.0)
Building Trades Resource
Building Trades Resource
Mechanical Code…
Includes all ducts, duct fittings, plenums, and fans assembled to form a continuous passageway for the distribution of air.
(Uniform Mechanical Code® 206.0)