Water Distribution

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  1. Temperature variation for the PSO bulk chlorine decay model in the MSQ module of InfoWorks

    The reactive-constituent (PSO) chlorine decay model (Fisher et al. 2017) was provided to users in the MSQ module of InfoWorks in July 2020 (see the MSQ blog for details). A major advantage of this model is that only a single set of four model coefficients is required to characterize decay rate in a given bulk water throughout a distribution system, over a wide range of initial chlorine concentration and any number/size/timing of booster doses, at a single temperature.

    Water temperature commonly differs by 20 degrees Celsius between summer and winter, causing reaction (decay) rates to differ typically by a factor…

    1 vote

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  2. 3 votes

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    RECEIVED  ·  1 comment  ·  Water Quality  ·  Flag idea as inappropriate…  ·  Admin →
  3. Time varying initial water age profile

    As a user it would be great to be able to add a time varying initial water age profile for transfer nodes. This would allow us to assess water age within the distribution network without having to combine models.

    12 votes

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    RECEIVED  ·  1 comment  ·  Water Quality  ·  Flag idea as inappropriate…  ·  Admin →
  4. I want to be able to put be able to customize what shows up in "pipes to flush" box

    Would like to be able to use any attribute within feature class in "pipes to flush" box so that can be easier to customize and communicate with field team

    1 vote

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  5. water age - representing re-chlorination station by resetting age to 0 hrs

    Depending on the size of the distribution/reticulation system water is often chlorination at the WTP and re-chlorinated at various locations within the network.

    There is no way to reset the water age value at a reservoir or node etc. to represent a re-chlorination station. This makes it difficult to get an idea of the age of water in the reticulation since passing the last re-chlorination station.

    Can this feature be added to the model?

    5 votes

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  6. I would like to add multiple rows simultaneously to the Multi-Species Node Initial Quality window.

    Currently, the Multi-Species Node Initial Quality window only allows inserting or appending a single row at a time. I would like to add thousands of rows at once. The MSX tables could either be added to the DB Editor, or at least add a "Add Multiple Rows" option to the Multi-Species Node Initial Quality window, allowing the user to specify the number of rows to be added (such as 10,000 rows).

    1 vote

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