Mechanical · IMC 2021 §603.2 / §603.3
HVAC Duct Sizing
Trunk-and-branch duct schematic with the IMC 603.2 sizing method (ACCA Manual D or ASHRAE) and the 603.3 duct pressure classes. Sizes and airflows are not code values.. Referenced to IMC 2021 §603.2 / §603.3.
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