Gilgandra Shire Local Flood Plan a Sub-Plan of The
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GILGANDRA SHIRE LOCAL FLOOD PLAN A SUB-PLAN OF THE GILGANDRA SHIRE LOCAL DISASTER PLAN (DISPLAN) SEPTEMBER 2008 EDITION TO BE REVIEWED NO LATER THAN SEPTEMBER 2013 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....................................................................................1 1.5 Responsibilities ..........................................................................................................................1 1.6 Cross-Border Assistance Arrangements...................................................................................10 PART 2 - PREPAREDNESS ...............................................................................................................11 2.1 Maintenance Of This Plan........................................................................................................11 2.2 Floodplain Management...........................................................................................................11 2.3 Development of Flood Intelligence..........................................................................................11 2.4 Development of Warning Systems...........................................................................................11 2.5 Public Education ......................................................................................................................12 2.6 Training....................................................................................................................................12 2.7 Resources .................................................................................................................................12 PART 3 - RESPONSE..........................................................................................................................13 3.1 Control .....................................................................................................................................13 3.2 Operations Centres...................................................................................................................13 3.3 Operational Management .........................................................................................................13 3.4 Liaison......................................................................................................................................13 3.5 Communications ......................................................................................................................13 3.6 Start of Response Operations ...................................................................................................14 3.7 Flood Intelligence.....................................................................................................................14 3.8 Preliminary Deployments.........................................................................................................15 3.9 Warnings ..................................................................................................................................15 3.10 Information..........................................................................................................................16 3.11 Road Control .......................................................................................................................17 3.12 Traffic Control.....................................................................................................................17 3.13 Flood Rescue .......................................................................................................................17 3.14 Evacuations .........................................................................................................................18 3.15 Registration .........................................................................................................................19 3.16 Management of Evacuees’ Pets...........................................................................................19 3.17 Essential Services ................................................................................................................19 3.18 Logistics ..............................................................................................................................19 3.19 Aircraft Management...........................................................................................................20 3.20 Resupply of Isolated Towns and Villages ...........................................................................20 3.21 Resupply of Isolated Properties...........................................................................................21 3.22 Assistance for Animals........................................................................................................21 3.23 Stranded Travellers..............................................................................................................21 3.24 All Clear ..............................................................................................................................21 PART 4 - RECOVERY ........................................................................................................................23 4.1 Welfare.....................................................................................................................................23 4.2 Recovery Coordination ............................................................................................................23 4.3 Arrangements for Debriefs / After Action Reviews.................................................................23 Gilgandra Shire Local Flood Plan, September 2008, Sub-Plan of Gilgandra Shire Local Disaster Plan iii ANNEX A - THE FLOOD THREAT ...............................................................................................A-1 Background ......................................................................................................................................A-1 Landforms and River Systems..........................................................................................................A-1 Weather Systems and Flooding ........................................................................................................A-1 Characteristics of Flooding...............................................................................................................A-2 Flood History....................................................................................................................................A-3 Flood Mitigation Systems.................................................................................................................A-3 Extreme Flooding .............................................................................................................................A-4 ANNEX B - EFFECTS OF FLOODING ON THE COMMUNITY ..............................................B-1 Community Profile ...........................................................................................................................B-1 Specific Risk Areas ..........................................................................................................................B-1 ANNEX C - GAUGES MONITORED BY THE GILGANDRA SES LOCAL HEADQUARTERS ..............................................................................................................................................................C-1 ANNEX D - DISSEMINATION OF SES FLOOD BULLETINS...................................................D-1 ANNEX E - TEMPLATE EVACUATION WARNING MESSAGE FOR GILGANDRA..........E-1 MAP 1 - MACQUARIE – BOGAN RIVERS BASIN.......................................................................... I MAP 2 - CASTLEREAGH RIVER BASIN ........................................................................................II MAP 3 - GILGANDRA SHIRE COUNCIL AREA.......................................................................... III MAP 4 - GILGANDRA....................................................................................................................... IV MAP 5 - GILGANDRA 1955 FLOOD EXTENT ............................................................................... V Gilgandra Shire Local Flood Plan, September 2008, Sub-Plan of Gilgandra Shire Local Disaster Plan iv DISTRIBUTION LIST Gilgandra SES Local Controller