... river and the lake. The river and the drainage channels are above sea level, so Review codes and standards / industrialpracticesAmend as requiredMonitor and auditDependability and safety ... environment. They depend on engineering and the application of science and technology for housing, electrical and gas supplies, water supplies, the processing of sewage and refuse, transport, communications, ... whole organisation for the risk management of the New Orleans fl ood defences should be changed. A new management structure with new design standards and regulations, and adequate funding was needed...