Awoonga EAP Gladstone Area Water Board Awoonga Dam Emergency Action Plan September 2020 Awoonga Dam Emergency Action Plan Contents Controlled Copy Distribution ...................................................................................................................... 1 Document Control Sheet.............................................................................................................................. 2 Abbreviations & Acronyms.......................................................................................................................... 3 Glossary of Key Terms................................................................................................................................. 4 Escalations / Activation Levels Summary ................................................................................................. 5 1. INTRODUCTION ................................................................................................................................ 6 1.1 Purpose .............................................................................................................................................. 6 1.2 Scope.................................................................................................................................................. 6 1.3 Strategic Framework .......................................................................................................................... 6 1.4 GAWB Emergency Resilience Framework......................................................................................... 7 1.4.1 Emergency Management Plan ........................................................................................................... 7 1.4.2 Emergency Communications Plan and Contact List .......................................................................... 8 1.4.3 Cyclone Management Plan ................................................................................................................ 8 1.4.4 Security Risk Management Plan (Terrorism) ..................................................................................... 8 1.5 Consultation Process .......................................................................................................................... 8 1.6 Training and Exercises ....................................................................................................................... 9 1.7 Community Education and Awareness Program ............................................................................. 10 1.8 Documentation and Reporting .......................................................................................................... 10 1.8.1 Incident Logs .................................................................................................................................... 10 1.8.2 Post Event Reporting........................................................................................................................ 10 1.8.3 Emergency Event Report ................................................................................................................. 10 1.9 Review Schedule .............................................................................................................................. 11 2. Details of the Dam .......................................................................................................................... 12 2.1 Dam Location ................................................................................................................................... 12 2.2 Key Dam Details ............................................................................................................................... 12 2.3 Population at Risk ............................................................................................................................. 14 2.4 Access to Awoonga Dam ................................................................................................................. 14 2.5 Access around Awoonga Dam ......................................................................................................... 14 3. Roles and Responsibilities ............................................................................................................ 17 3.1 Entity Responsibilities....................................................................................................................... 17 3.2 Incident Management Team ............................................................................................................. 18 3.2.1 Roles and Responsibilities ............................................................................................................... 19 3.2.2 Responsible Officers ........................................................................................................................ 19 4. Hazards, Events and Impacts ........................................................................................................ 21 4.1 Dam Hazards .................................................................................................................................... 21 4.2 Dam Hazard Events and Emergency Events ................................................................................... 21 4.3 Escalations ....................................................................................................................................... 21 4.4 Dam Hazard and Emergency Event Impacts ................................................................................... 22 4.4.1 Flood Event Impacts ......................................................................................................................... 22 4.4.2 Non-Flood Event Impacts ................................................................................................................. 24 Review Date - September 2020 i Awoonga Dam Emergency Action Plan 5. Action Plans .................................................................................................................................... 25 5.1 Safety................................................................................................................................................ 25 5.2 Equipment ........................................................................................................................................ 25 5.3 Action Plan 1: Flood Inflows ............................................................................................................. 25 5.3.1 Inspections and data review ............................................................................................................. 29 5.3.2 Water Level Prediction Model (WLPM) ............................................................................................ 29 5.3.3 Individual Action Plans ..................................................................................................................... 30 5.4 Action Plan 2: Loss of Containment (Main Embankment, Saddle Dams) ........................................ 37 5.4.1 Inspections and data review ............................................................................................................. 37 5.4.2 Individual Action Plans ..................................................................................................................... 37 5.5 Action Plan 3: Loss of Containment (Taragoola) ............................................................................. 43 5.5.1 Inspections and data review ............................................................................................................. 43 5.5.2 Individual Action Plans ..................................................................................................................... 45 5.6 Action Plan 4: Unusual Instrument Readings ................................................................................... 49 5.6.1 Inspections and data review ............................................................................................................. 49 5.6.2 Individual Action Plans ..................................................................................................................... 49 5.7 Action Plan 5: Earthquake ................................................................................................................ 55 5.7.1 Inspections and data review ............................................................................................................. 55 5.7.2 Individual Action Plans ..................................................................................................................... 55 5.8 Action Plan 6: Structural Damage .................................................................................................... 61 5.8.1 Inspections and data review ............................................................................................................. 61 5.8.2 Individual Action Plans ..................................................................................................................... 61 5.9 Action Plan 7: Terrorism ................................................................................................................... 67 5.9.1 Inspections and data review ............................................................................................................. 67 5.9.2 Individual Action Plans ....................................................................................................................