Storm Sewer & Flood Modeling

Welcome to the Innovyze Stormwater, Sewer, and Flood modeling feedback page.

This forum is the place to hear your ideas, feature suggestions, and feedback about our Stormwater, Sewer and Flood Modeling offerings.  For more information about these offerings, please visit: http://go.innovyze.com/Storm-Sewer-Flood

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  1. Incorporate ARR2019 Initial Loss & Continuing Loss (IL/CL) infilitration type for 2D Infiltration surfaces

    ICM currently allows 4 infiltration types in 2D infiltration types:

    -fixed
    -Horton
    -Constinf
    -GreenAmpt

    Australian Rainfall and Runoff 2019 talks default initial loss and continuing loss parameters for rural catchments, values for which which can be found in the BOM data hub.

    A new 2D infiltration type which allows the simple IL/CL would allow 2D modelling more inline with ARR2019.

    11 votes

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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  2. Sub catchment Ground Slope

    Currently ICM isn't equipped with the tools to calculate the slope from an underlying ground model or 2D zone so this will need to be determined outside of the program. Can you include the ability for the program to calculate an average catchment slope based on the 2D mesh data or ground model within each sub catchment as an option if this has not been done outside of ICM?

    7 votes

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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  3. Allow pollutographs to apply on subcatchments

    At the moment it is not possible to set a pollutograph for subcatchments, and the modeller is obliged first to run the hydrology, export the hydrograph, re-import the hydrograph as inflow, and finally re-run with a pollutograph

    5 votes

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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  4. WBNM Hydrology Method in ICM

    Australian flood modelling user have requested access to the WBNM hydrology method inside InfoWorks ICM. WBNM is one of the endorsed methods in Australian Rainfall & Runoff and large numbers of historical studies use this method.

    4 votes

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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  5. RORB Hydrology Method in ICM

    InfoWorks ICM currently has the RAFTS Hydrological Routing method, but as a flood modelling user, I would like access to the RORB method as an option inside ICM. It is a similar method to RAFTS and would help endorsement of the software where RORB hydrology is a requirement.

    4 votes

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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  6. Chicago Storm Generator

    As a user, I want to generate a synthetic hyetorapg (Chicago Storm) rainfall based on IDF relationship so these storms can be used in ICM.

    3 votes

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    IN DEVELOPMENT  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  7. As a user I need to represent and optimise for throttled discharge from subcatchments to node or conduit objects

    Many cities are limiting maximum stormwater dicharge to drainage networks.
    ICM should include more efficient modelling regarding
    - Limiting stormwater flows from subcatchments via throttle requirement (e.g. 0-10 l/s*ha subcatchment), suggesting a new subcatchment data field.
    - And quickly analyse how much stormwater (e.g. 10 m³ ) needs to be managed/retained on each subscatchment site via SUDS such as greenroofs, swales, etc. in order to meet and optimise throttle requirements.

    1 vote

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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  8. As a user, I would like to be able to import polygon with holes in it (donut) as subcatchments,

    So that I can model situation part of the drainage area is not draining to the storm sewer system.

    1 vote

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    0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
    IN DISCUSSION  ·  pascal.lang responded

    Have you attempted to do the import using the “Import as multi-part polygons” option on the Open Data Import Centre?

  9. Allocate a subcatchment’s flows among several nodes

    This is an idea from CDM Smith == I have an engine feature idea that has occurred to me at various times but never acted on. Today I was discussing an InfoWorks model with a junior colleague. It would clearly help us in this model to be able to allocate a subcatchment’s flows among several nodes, whether identically or according to specified proportions. In this case, we’re filling out an existing model that previously had all 10” and larger pipes in town to now include all the 8” as well, tripling the size of the model. We’re basing new subcatchments…

    1 vote

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    0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
    RECEIVED  ·  pascal.lang responded

    There is the ability to drain a subcatchment laterally to multiple links in InfoWorks ICM, would this be a close enough representation? When looking to split subcatchment flows across multiple nodes, this is usually achieved by splitting the subcatchments so there is one available for each node which is to be drained to.

  10. It would be great to add PMP (probable maximum precipitation) calculator to XPSWMM and XPSTORM

    It would be great to add PMP (probable maximum precipitation) calculator to XPSWMM and XPSTORM

    1 vote

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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
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