Sewsan is a comprehensive computer program for the simulation, analysis and optimal design of sewer reticulation systems. The program uses the theory of contributor hydrographs for analysis and time simulation to determine the spare capacities in sewer systems taking cognisance of infiltration and leakage.
The Sewsan system is an analysis tool coupled to a CAD interface. All the model entities (pipes, manholes etc.) are stored in an internal database, and are displayed in a CAD drawing. The system data and results can also be viewed in tabular format in spreadsheets
The program is extremely user friendly, with a menu driven structure and easy-to-use-and-understand interface between the graphical display/edit model, and the model database and results.
Sewsan is available in 3 modules:
-A basic Capturing Model, which allows the user to capture the sewer network and check the integrity of the model.
-An Analysis Module in which the flow through the system can be simulated and the results of the simulation viewed. Bottlenecks in the system can be identified and the resulting overflow calculated.
-A Planning Module, which can be used to estimate required pipe diameters where bottlenecks in the system occur, pump capacities and rising main capacities.
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