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C403.2.9.5 Air Distribution System Sizing and Design
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All air distribution systems shall be sized and designed in accordance with recognized engineering standards such as ACCA Manual D or other standards based on the following:
- Calculation of the supply air for each room shall be based on the greater of the heating load or sensible cooling load for that room.
- Duct size shall be determined by the supply air requirements of each room, the available static pressure and the total equivalent length of the various duct runs.
- Friction loss data shall correspond to the type of material used in duct construction.
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