Sewsan Calibration and System Summaries

The simulated flow hydrographs can be compared to calibration hydrographs. Any number of calibration hydrographs can be linked to the system at the relevant nodes.

In order to facilitate the calibration of the sewer network system summaries can be made. The summaries can be made for the entire system, the system upstream of a selected manhole or for a selection of manholes and pipes.

The system summary table tabulates information in the system regarding the

• Pipe Topology: Length, type and number of pipes,

• Structure Topology: The number and type of structures and pumps

• Volumes produced by each component of the contributor hydrograph and user hydrographs

• Detailed breakdown of the number of land parcel units associated with each unit hydrograph and the volume contributed for each.

The volumes are theoretical volumes based on the input hydrographs and may differ from the simulated volumes due to the nature of the system (lag) and the time step at which the system was analysed. However, this gives a useful and accurate indication of the flow in the system