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What does ADDWF stand for?

ADDWF stands for Average Daily Dry Weather Flow

This definition appears very rarely

Samples in periodicals archive:

Various published sources provide flow peaking factors for sanitary sewer collection system design. These peaking factors are generally multiplied by average daily dry weather sewer flow (often 100 gallons per capita per day) to obtain design (dry weather) peak flows for sewer velocity and capacity design. Many governing agencies establish minimum velocity requirements (often 2. 0 ft/s) based on these peak flows.
The "average design flow" is defined in s. NR 110. 03(12g)(b). Designers often use various types of dry weather flows and may refer to them as "average daily flows". Dry weather base flows.