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. Change the size / dimensions of multiple manholes at once

    MicroDrainage Network

    It would be very useful if it was possible to change the dims of many manholes at once. It'a a very laborious and time consuming task to change each dimension one-by-one, especially if the network is very large!

    1 vote
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    RECEIVED  ·  1 comment  ·  Productivity  ·  Flag idea as inappropriate…  ·  Admin →
  2. Clash detection between pipe networks

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

    5 votes
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    RECEIVED  ·  0 comments  ·  Design/Sizing Tools  ·  Flag idea as inappropriate…  ·  Admin →
  3. 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 →
  4. 1 vote
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    0 comments  ·  Design/Sizing Tools  ·  Flag idea as inappropriate…  ·  Admin →
  5. Easier selection of FEH and FSR Rainfall in the "Seasonal Return Period Wizard"

    Sometimes we are required by the LLFA to run storms <60mins with FSR rainfall and storms >60mins with FEH rainfall. This requires the "Seasonal Return Period Wizard" to be run twice following changes to the network and then exported in separate files.

    It would be much quicker if this could be specified in the wizard.

    1 vote
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    RECEIVED  ·  0 comments  ·  Rainfall  ·  Flag idea as inappropriate…  ·  Admin →
  6. Status Bar to report more significant figures

    The status bar currently only displays levels (ground model level, water depth) to 1 decimal place. 2 Decimal places would be much more useful, Especially to ensure a node is at a low point or in the gutter invert..

    1 vote
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    RECEIVED  ·  0 comments  ·  Design/Sizing Tools  ·  Flag idea as inappropriate…  ·  Admin →
  7. 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 through the whole process again.

    3 votes
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    RECEIVED  ·  0 comments  ·  Productivity  ·  Flag idea as inappropriate…  ·  Admin →
  8. 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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    MORE INFO NEEDED  ·  0 comments  ·  Design/Sizing Tools  ·  Flag idea as inappropriate…  ·  Admin →
  9. 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 →
  10. 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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  11. 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 →
  12. 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.

    2 votes
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  13. 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 →
  14. 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 →
  15. 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 →
  16. 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 →
  17. 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 →
  18. Include Linear Drainage Channels

    Support a wider range of linear drainage channels.

    0 votes
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    RECEIVED  ·  0 comments  ·  Design/Sizing Tools  ·  Flag idea as inappropriate…  ·  Admin →
  19. Link to InfoAsset Asset Management Software

    Add a link to take drainage design data into Innovyze's InfoAsset Asset Management Software to complete the cycle of design - build - manage - maintain cycle.

    0 votes
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    RECEIVED  ·  0 comments  ·  Data Exchange  ·  Flag idea as inappropriate…  ·  Admin →
  20. Include SuDS Maintenance

    Add the ability to have a maintenance sheet in the print outs for SuDS structures.

    0 votes
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