Drainage Design

Welcome to the Innvoyze Drainage Design user feedback page.
This forum is the place to hear about your ideas, feature suggestions and feedback from using Innovyze tools for Drainage Design.
Please note that your ideas and comments posted here are visible to all other users.


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  1. Enable drawnet manhole changes

    Enable the manholes assigned to impermeable areas on drawnet to be changed.
    It is currently not possible to change the manhole when editing a network meaning the areas have to be deleted then recreated. Being able to change the manhole would save a lot of time.

    4 votes
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    RECEIVED  ·  0 comments  ·  Design/Sizing Tools  ·  Flag idea as inappropriate…  ·  Admin →
  2. Retain/Lock dummy MH names

    Can we get a function to lock/retain MH numbers, If you have multiple dummy MH's and need to make changes any name you have given to these is lost when renumbering. You then need to go thro' the whole process again.

    3 votes
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    RECEIVED  ·  0 comments  ·  Productivity  ·  Flag idea as inappropriate…  ·  Admin →
  3. Run same return period with multiple climate change allowances

    When running the simulation wizard I would like to be able to run the same return period with multiple climate change allowances to enable a single analysis covering all scenarios. This will avoid needing to adjust inputs & rerunning the network multiple times to cover no CC, upper & lower CC limits.

    3 votes
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  4. Clash detection between pipe networks

    Can wall thicknesses be added to pipes and manholes to check clash detections

    2 votes
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  5. Allow SOIL values < 0.15

    The Rural Runoff estimate tool in MDSUDS does not allow values of SOIL below 0.15.
    The UKSUDS greenfield runoff tool defaults to a value of SOIL=0.1 where SoilType=1
    This produces a significant difference in results. This difference results from using values of SOIL from FSR vs Wallingford Procedure and FSSR7
    It would be better if the MDSUDS tool allowed values of SOIL down to 0.1 for compatibility, and if the default values were standardised across the industry.

    1 vote
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    RECEIVED  ·  0 comments  ·  Hydrology  ·  Flag idea as inappropriate…  ·  Admin →
  6. Print Tickbox for Manhole Schedule Layout option

    In MicroDrainage 2019.1 the Manhole Schedule printout also includes a manhole layout, sometimes this is unnecessary and it would be helpful if there was an additional tickbox option in the printout settings.

    1 vote
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  7. Add update to existing network for the 'Export to Civil3D’ in DrawNetCAD

    It would be very useful if DrawNetCAD had the option of updating an existing Civil3D pipe network when using the Export to Civil3D option.
    The Autodesk Microdrainage Utility has this ability, albeit it can be unreliable.

    1 vote
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    RECEIVED  ·  0 comments  ·  Productivity  ·  Flag idea as inappropriate…  ·  Admin →
  8. Enable locking of pipe numbers

    One of the aims of BIM is that all the different models you create match. If you issue a pipe network 3D model for construction with certain pipe numbering and then a minor change happens this can affect every pipe number in the system. But once it's already been issued for construction you can't afford to change pipe numbers as it would be too confusing, which means that the 3D model can no longer match the Microdrainage model.

    1 vote
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    RECEIVED  ·  0 comments  ·  Productivity  ·  Flag idea as inappropriate…  ·  Admin →
  9. Microdrainge to Revit

    Make Pipes and Inlet available in Revit

    2 votes
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    RECEIVED  ·  0 comments  ·  Data Exchange  ·  Flag idea as inappropriate…  ·  Admin →
  10. Flood Studies Update: Ireland

    Add support for the Met-Eireann DDF Irish Rainfall Data. The IDF data can be downloaded from a website and automatically uploading this data would be a big time-saver for users in Ireland.

    2 votes
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    RECEIVED  ·  0 comments  ·  Rainfall  ·  Flag idea as inappropriate…  ·  Admin →
  11. Missing design function and short cut


    1. Add vehicle tracking function to software.


    2. Be able to save to dwg format individual roads ( plan, long section and cross section)
      all layers with one click rather than saving the whole development plan if only revising one road.


    1 vote
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    RECEIVED  ·  0 comments  ·  XPSite3D  ·  Flag idea as inappropriate…  ·  Admin →
  12. Site 3d default manholes

    Can the default manholes be the most recent design and notation please? It currently defaults to SfA 6, need to be SfA7 currently or even have a user editable toggle to decide what version is being used. At the moment I have to edit every manhole separately from 6 to 7.

    1 vote
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    RECEIVED  ·  0 comments  ·  XPSite3D  ·  Flag idea as inappropriate…  ·  Admin →
  13. Switch design return periods when running cascade analysis

    I would like to be able to build a single cascade model & able run it for various design return periods instead of needing to create separate cascade models for each return period. Similarly, being able to switch between FSR & FEH would be advantageous.

    1 vote
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  14. 0 votes
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