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Stormwater Drainage Subcatchment characteristic width & Slope

Greetings,

We are working on Urban drainage design using SewerGEMS latest version of 10.03.04.53 with Explicit solver & EPASWMM runoff method.
In which the catchment characteristic width & slope are inputs to the model (shown in below screenshot). Is there any possibility to calculate the Catchment characteristic width & slope in SewerGEMS.
Could you please explain about these inputs and how it facilitates the runoff flow & volume.

Regards
Ganesh Bala S

Parents Reply Children
  • Hi Sushma,

    Thank you for the above information, we will check with SWMM manuals.

    Could you please suggest whether it is possible to generate these parameters (characteristic width & slope) in SewerGEMS software?

    Regards

    Ganesh Bala S

    Regards

    Ganesh Bala S

    Design Engineer

    Khatib&Alami Engineering Consultants Pvt. Ltd.

  • Currently the Characteristic Width and Slope fields for catchments when using the EPA-SWMM runoff method must be entered by the user or imported via ModelBuilder from an external data source. 


    Regards,

    Jesse Dringoli
    Technical Support Manager, OpenFlows
    Bentley Communities Site Administrator
    Bentley Systems, Inc.

    Answer Verified By: GANESH BALA S