Post-bushfire sediment and risk assessment

After the February 2009 bushfires Alluvium assessed the risk to both the built and natural assets of the Traralgon Creek and Stringers Creek catchment. Large areas of the catchment were burnt, changing the hydrologic and sediment response to rainfall. Based on work done by the US Burn Area Emergency Response teams, we established which assets were present in the catchment, estimated the magnitude of changes to flood risk, channel erosion, bridge failure and inchannel habitat destruction. From this we were able to specify mitigation options such as debris racks and flood warning systems were recommended for various locations in the catchment.