warrumbungle SHIRECOUNCIL sEsSTATE EMERGENCYSERVICE WARRUMBUNGLE SHIRE LOCAL FLOOD PLAN A SUB.PLAN OF THE WARRUMBUNGLE SHIRE LOCAL DISASTER PLAN (DISPLAN) StateEmergency Service MAY 2OO7EDITION TO BE REVIEWED NO LATER THAN MAY 2012 ii CONTENTS DISTRIBUTION LIST .........................................................................................................................iv AMENDMENT LIST.............................................................................................................................v LIST OF ABBREVIATIONS...............................................................................................................vi GLOSSARY ..........................................................................................................................................vii PART 1 - INTRODUCTION.................................................................................................................1 1.1 Purpose .....................................................................................................................................1 1.2 Authority...................................................................................................................................1 1.3 Area Covered By The Plan.......................................................................................................1 1.4 Description Of Flooding And Its Effects..................................................................................2 1.5 Responsibilities.........................................................................................................................2 PART 2 - PREPAREDNESS ...............................................................................................................14 2.1 Maintenance Of This Plan ......................................................................................................14 2.2 Floodplain Risk Management.................................................................................................14 2.3 Development of Flood Intelligence ........................................................................................14 2.4 Development of Warning Systems .........................................................................................14 2.5 Public Education.....................................................................................................................15 2.6 Training ..................................................................................................................................15 2.7 Resources................................................................................................................................15 PART 3 - RESPONSE..........................................................................................................................16 3.1 Control....................................................................................................................................16 3.2 Operations Centres .................................................................................................................16 3.3 Operational Management........................................................................................................16 3.4 Liaison ....................................................................................................................................17 3.5 Communications.....................................................................................................................17 3.6 Start of Response Operations..................................................................................................17 3.7 Flood Intelligence...................................................................................................................18 3.8 Preliminary Deployments .......................................................................................................19 3.9 Warnings.................................................................................................................................19 3.10 Information .............................................................................................................................20 3.11 Road Control...........................................................................................................................21 3.12 Traffic Control........................................................................................................................21 3.13 Flood Rescue ..........................................................................................................................22 3.14 Evacuations.............................................................................................................................22 3.15 Essential Services ...................................................................................................................22 3.16 Logistics .................................................................................................................................22 3.17 Aircraft Management..............................................................................................................22 3.18 Resupply of Isolated Towns and Villages ..............................................................................23 3.19 Resupply of Isolated Properties ..............................................................................................23 3.20 Assistance for Animals...........................................................................................................24 3.21 Stranded Travellers.................................................................................................................24 3.22 All Clear .................................................................................................................................24 PART 4 - RECOVERY ........................................................................................................................26 4.1 Welfare ...................................................................................................................................26 4.2 Recovery Coordination...........................................................................................................26 4.3 Arrangements for Debriefs / After Action Reviews ...............................................................26 ANNEX A - THE FLOOD THREAT ...............................................................................................A-1 Landforms and River Systems..........................................................................................................A-1 Castlereagh River .............................................................................................................................A-1 Namoi River Tributaries...................................................................................................................A-2 Warrumbungle Shire Local Flood Plan, May 2007, Sub-Plan of Warrumbungle Shire Local Disaster Plan iii Storage Dams....................................................................................................................................A-2 Weather Systems and Flooding ........................................................................................................A-2 Characteristics of Flooding...............................................................................................................A-3 Flood History....................................................................................................................................A-3 Flood Mitigation Systems.................................................................................................................A-5 Extreme Flooding .............................................................................................................................A-5 ANNEX B - EFFECTS OF FLOODING ON THE COMMUNITY ..............................................B-1 Community Profile ...........................................................................................................................B-1 Specific Risk Areas ..........................................................................................................................B-1 Mendooran........................................................................................................................................B-2 Coolah ..............................................................................................................................................B-2 Coonabarabran..................................................................................................................................B-3 Ulamambri........................................................................................................................................B-3 Binnaway..........................................................................................................................................B-3 Baradine............................................................................................................................................B-3 Dunedoo ...........................................................................................................................................B-4 Road Closures...................................................................................................................................B-4 Rural