DuHyd is used to separate the major (street flow) and the minor (pipe flow) hydrographs from a total hydrograph.

TABLE 3-8 DUHYD PARAMETERS

Parameter Name Description Default Value
Major NHYD of major system connection Empty
Minor NHYD of minor system connection Empty
CINLET The peak flow capture rate per inlet (m³/s or ft³/s) 0.06
NINLET The number of inlets in the drainage system which have the capture rate of CINLET. Note: The maximum minor system capture equals CINLET × NINLET. 10

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