...
The overflow weir carries a discharge when the water level in the infiltration system pond exceeds the Extended Detention Depth. The overflow weir is modelled as a sharp broad crested weir whose discharge equation is given by:
...
...
The overflow weir carries a discharge when the water level in the infiltration system pond exceeds the Extended Detention Depth. The overflow weir is modelled as a sharp broad crested weir whose discharge equation is given by:
...