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  • 15 July, 201619 December, 2017

New updates StormTac Web

Calculation of total flows and pollutants from several areas in the same project

1. Calculation of total design flows from several areas (A1, A2, …A99) considering that each area results in different design part-flow at different duration. This means that the sum of the part-flows from each area is calculated at each duration and that the largest of these partial sums equal to the total design flow.

2. Calculation of the total load (kg/year) and concentration (µg/l) of pollutants from several areas (A1, A2, … A99).

3. The results for total design flow and duration (1) and the load and concentration of pollutants (2) appear in the multi-report where the areas desired to be summed are selected.

Precipitation Data (country specific)

In the box Precipitation there are now links to Precipitation Data.
These will gradually be filled with more links from different countries.

Minor update StormTac Web
Revised functions of reduction efficiencies of infiltration trenches, swales and grass ditches

Recent Posts

  • Updated concentrations for phosphorus, nitrogen and benzo(a)pyrene from woodland, farmland and other open land uses 12 March, 2018
  • Updated database v. 2018-02-26 26 February, 2018
  • Updated flow detention functions in serial facilities 13 February, 2018
  • Local, regional or country specific precipitation and rain intensities 6 February, 2018
  • Implementation of two new treatment facilities; dry ponds and sedimentation screen basins & revised coefficients for calculated reduction efficiency of the facilities biofilters, macadam ditches, swales and ditches 4 January, 2018
  • 2 added land use categories; marina and artificial turf fields 2 January, 2018

Archives

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