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Autodesk
Status Gathering support
Product InfoDrainage
Categories Hydraulics
Created by Midori Patterson
Created on May 22, 2024

Horizontal orifices as an outlet type

HydroCAD offers a horizontal orifice control outlet type that is very commonly used for detention pond outlet types in the US. Please include this as an outlet type so we can transition from HydroCAD to InfoDrainage.

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  • Daniel Goodwin
    Jul 29, 2026

    Agreed, this needs to be an option. We are moving from SSA to Infodrainage, and was very surprised that this isn't available. While not the most common orifice, standpipes do need to be modeled occasionally as an overflow, secondary flow, etc.

  • Paul Hargreaves
    Jul 10, 2026

    The need for this as an option is important for overflows from SuDS features, i.e. bioretention, tree pits, or other locations where a vertical pipe needs representing as an overflow. The only way to do this at present is to assume a weir of the length of the circumference of the vertical pipe.

  • Admin
    Samer Muhandes
    May 29, 2024

    Thank you for the suggestion and thanks to those who voted.

    We will engage in consultations with a wider array of stakeholders to gauge their interest and gather additional perspectives on the proposed feature.

    Should we observe a substantial level of enthusiasm and demand from our customers, we will be inclined to advance the status of this suggestion to "Under Consideration."

    This stage will involve a more detailed analysis, including a feasibility study, resource allocation assessment, and preliminary planning to understand how this feature could be seamlessly integrated into InfoDrainage.