1、 1 Dutch Disaster Risk Reduction&Surge Support(DRRS)Programme Final Report Porto Alegre,Brazil August of 2024 2 Contents 1.Summary of Recommended Actions 4 2.Background and Purpose of the Mission 7 3.Brief Analysis of the Floods in Porto Alegre and Rio Grande do Sul State 9 4.Timeline for Recovery a

2、nd Reconstruction 17 5.Emergency Response and Short-term Recovery 18 5.1.Ensure Temporary Pumping Capacity 18 5.2.Ensure Inspection of the Flood Protection before and during a Flood 19 5.3.Ensure Capacity for temporary Dikes and Protection Infrastructure 19 5.4.Prepare a comprehensive multi-agency f

3、lood response plan 20 6.Longer Term Recovery and System Adaptation 21 6.1.Introduction 21 6.2.Structural Measures 21 6.2.1 Increasing Levels of Protective Flood Infrastructure 21 6.2.2 Lowering Flood Levels around Porto Alegre 22 6.2.3 Other Structural Flood Protection Measures for Porto Alegre 26 6

4、.3.Non-structural Measures 28 6.3.1 Surveying and Monitoring 29 6.3.2 Development of modelling tools 30 6.3.3 Flood and Drainage Master Plan Study for Porto Alegre 31 6.3.4 Flood Early Warning System 32 6.3.5 Institutional Arrangements 32 7.Flood Early Warning 35 7.1.Disaster Risk knowledge 36 7.2.D

5、etection,observation,monitoring and forecasting 36 7.3.Warning dissemination and communication 37 7.4.Preparation and response 38 8.Follow-up Action DRRS:Three-Day Cocreation Conference 40 Annex I:Official Request from DMAE to DRRS i Annex II:Mission Program ii Annex III:Advice on the Early Recovery

6、(Phase I Activities)in Porto Alegre vi 3 Front Page Photo Credit Front page photo:Temporary floating pumps(blue on the right)replace the permanent pumping station that was submerged in the flood(far left);photo by:DMAE Disclaimer No rights can be derived from this report.Despite the fact that the re