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Creating Profiles for Gutter Network

I know SewerGEMS doesn't directly allow us to create a profile for a network with a gutter involved. But is there any way to work round this?

I need to know the design flow, Design capacity, Velocity and HGL for the entire network. If i make a profile for only the conduit part of my network, I am able to get the required data. However, for gutters since this is not a direct option, is there a way to collect the data through the software or manual calculations? (All gutter sizes are same and only the inflow catchment size for each differs)

  • Yousuf,

    Please clarify what you mean by "design flow, Design capacity, Velocity and HGL" (what is a "design flow"?) and provide more details on what you ultimately need to achieve with the model. What do you mean by "collect the data"?

    Generally speaking, hydraulic results are calculated and available for gutters which you can see in the properties or in the Gutter Flextable. This includes flow, velocity, depth and spread.

    Typically the modeler would be interested in what happens in the gutter at the inlet locations and would look at the catchbasin node elements for this. The upstream side of the inlet is where the depth and spread would be greatest, which is what the constraint-based design (with the GVF-Rational and GVF-Convex solver) looks at for inlet sizing based on desired gutter spread and depth. In the catchbasin properties you will see many results related to the gutter (at the inlet location) including capture efficiency


    Regards,

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

  • Hello Yousuf,

    Are you trying to model open channels in SewerGEMS? If yes they could help serve the purpose of getting a profile as well as the results you are interested in.

    Have you tried using channels and cross-sections to get these results? See this article for reference: Conduit vs. Channel

    If your model has a terrain attached to it, you can also try viewing gutter results as stated here: Using the Gutter Cross Section Viewer to visualize and view gutter results

    Let us know if this helps.


    Regards,

    Yashodhan Joshi