Flood Risk / Drainage Impact Assessments


Dougall Baillie can provide a range of services in relation to Flood Risk Assessment and Drainage Impact Assessment in line with current regulatory and legislative requirements as noted below.


Flood risk assessment:

  • 1D/2D River Hydraulic Modelling (Hec-RAS/ XPstorm)
  • Integrated urban (sewer) and river modelling
  • 1D/2D Urban Flooding assessment
  • Evacuation Route Planning
  • Floodplain Mapping
  • Flood Hazard Maps
  • Culvert and Bridge Hydraulics including blockage modelling


Drainage impact assessment:

  • Pre development drainage assessment identifying all flow regimes
  • Identification of post development flow regimes
  • SuDS Strategy definition
  • Liaison with relevant bodies in relation to existing / proposed capacity.


DBA is committed to continual development in relation to industry standard practices and methodologies.