The Structure Flow tab defines the undamaged infiltration and inflow (I/I) ratings for the various components of the sewer structure.
These tables are used in the Structure Inspections module. Structure inspections take two different sets of flow rates into account. There is the base flow rate for each part of the structure (established on this tab) and the flow rate based on the defect that was recorded during the inspection (established on the TV/Lamp Infilt tab).