Snowy Hydro manage the iconic Snowy Mountains Hydro-electric Scheme, consisting of a network of dams, tunnels and aqueducts.  The Snowy Scheme features 16 dams with a total storage volume of 13 times the volume of Sydney Harbour.  As part of their dam safety management programme, Snowy Hydro are undertaking ongoing risk assessments of their dams, and have awarded HARC the lead contract for five of their dams.  Our role will be to undertake flood hydrology updates, dam break modelling, consequence assessment and together with our project partner Jacobs, dam failure likelihood assessments.