FLOOD RISK ASSESSMENTS

Envirologic carry out flood risk assessments on the following developments:

Single house

Housing developments

Inert infill sites

Commercial facilities

Agricultural drainage

Quarry discharges

Stormwater attenuation discharges

Amenity facilities


Envirologic applies the following techniques in flood water assessments:

- Open channel surveying using RTK VRS

- Manual cross-sectional profiling of deep channels

- Sonar in combination with RTK VRS from kayak/boat to carry out bathymetric surveys of lakes/coastal areas

- ISIS hydraulic modelling software is used to determine flood levels

- Statistical analyses of historical hydrometric data

- Flood estimation using catchment characteristics

- Graphical cross-sectional profiles

- Determination of freeboard to finished floor level

- Fluvial, pluvial and coastal flood level determination