Calculate Flood Verification Online

Perform flood verification according to DIN 1986-100 or DWA – calculation of ponding volume and ponding depth.

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What does RAINPLANER® calculate for flood verification?

Perform flood verification according to DWA or DIN – calculation of ponding volume and ponding depth in compliance with standards and audit-ready.

Calculation methods

DIN 1986-100, Equation 20

Determination of relevant measurement values from the difference between the two-year rainfall and a freely selectable rainfall of higher return period.

DIN 1986-100, Equation 21

Taking into account building drainage pipes.

DWA-A 138-1, Equation 10

Flood check for infiltration systems; implicitly according to DWA-AG ES-3.1 Eq. 1, taking into account the reference area determination.

Additional features

  • ✅ Discharge restrictions according to DIN 1986-100 Eq. 22
  • ✅ Consideration of roof areas and areas that cannot be flooded without damage
  • ✅ Optional mean, peak or gross runoff of connected areas
  • ✅ KOSTRA-DWD-2020 rainfall intensities via map selection
  • ✅ Audit-ready PDF report at the push of a button
Standards
  • PrimaryDIN 1986-100 (12/2016)
  • AlternativeDWA-A 138-1 (10/2024)
  • StandardDWA-AG ES-3.1
  • DataKOSTRA-DWD-2020

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