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  • 6 March, 20169 October, 2020

Release notes v16.1.4

– Basin and stormwater drain filters (!). The box Retention basin & filter has been made functional.
Now, the following treatment facilities can be designed: smaller underground retention basins with filters,
larger underground sedimentation basins without filters, underground gravel (macadam) basins and
stormwater drain (gully pot or well) filters. Treatment effects of these are also calculated. Equations for
the design and calculation of the treatment effect are presented at the respective value.

– Green roofs. The box Green roofs has expired and green roofs are instead chosen as land use.
Data for green roofs and traditional roofs will be completed in March 2016 after an ongoing
comprehensive literature review, which will give revised standard concentrations for these two land uses.

– With the additions mentioned above, 13 different types of treatment plants can be investigated /projected
in the model, and variations of these, why all current treatment plants are now included in the model.
In addition to these, various transport and flow detention facilities can be designed.
The methods will be constantly updated.

– Facilities in series (!). New feature with facilities in series. Up to 10 facilities in series can now be simulated,
for all treatment facilities in any combination!

– Additional equations and explanatory texts at values in the flowchart, which is now complete, but may be
clarified in the future.

Tip.
If Flowchart does not fit in your webbrowser properly you can zoom out or in with CTRL + or CTRL –

Release notes v16.1.3
Release notes v16.1.5

Recent Posts

  • Distribution of responsibilities – Distributed acceptable loads and required treatment between stakeholders within the catchment 12 December, 2020
  • Updated irreducible concentrations in StormTac database and in StormTac Web 27 November, 2020
  • Completed database with updated stormwater concentrations during different seasons and months 27 November, 2020
  • Updated database regarding new references, stormwater concentrations, reduction efficiencies and concentrations for overflow water 23 November, 2020
  • Updated database with a large number of new volume-weighted land-use specific concentration data and BMP reduction efficiencies 6 July, 2020
  • Updated method description 12 May, 2020

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