USC FloodStudyUpdate Report - Flipbook - Page 9
LIST OF TABLES
Table 1: Study area catchment areas.......................................................................................... 4
Table 2: Summary of pit and pipe data received ....................................................................... 16
Table 3: June 2016 and February 2020 Event Daily Rainfall Data ............................................ 19
Table 4: AWS Rainfall Data....................................................................................................... 20
Table 5: Land use categories defined for the XP-RAFTS model ............................................... 28
........................................................ 33
Table 7: June 2016 Event Rainfall Losses ................................................................................ 39
Table 8: February 2020 Event Rainfall Losses .......................................................................... 40
Table 9: Surveyed and modelled peak flood levels for the June 2016 Event ............................. 40
Table 10: Surveyed and modelled peak flood levels for the February 2020 Event..................... 42
Table 11: IFD Zones Adopted for the XP-RAFTS Models ......................................................... 46
Table 12: Design rainfall depths (mm) at the centroid of the Upper South Creek catchment ..... 47
Table 13: ARR datahub probability neutral burst initial losses (mm) .......................................... 49
Table 14: Areal Reduction Factors applied to design rainfall depths ......................................... 50
Table 15: Blockage of key hydraulic structures ......................................................................... 51
Table 16: Critical duration analysis results for South Creek (1% AEP) ...................................... 56
Table 17: Adopted design storm durations and temporal patterns ............................................. 56
Table 18: Emergency Response Planning Classification of Communities ................................. 62
Table 19: Initial Loss Sensitivity Analysis .................................................................................. 67
Table 20: Blockage Sensitivity Analysis .................................................................................... 68
Table 21: Parameters adopted for Residential Damages Assessment ...................................... 73
Table 22: Estimated Tangible Flood Damages for Upper South Creek Catchment ................... 75
Appendix D Design Flood Event Tables
Table D1: Peak Flood Depths (m) at Road Crossings
Table D2: Peak Flows (m3/s) at Road Crossings and Key Locations
LIST OF PHOTOGRAPHS
Photo 1: Vehicle that was swept off Anthony Road at Rileys Creek during the June 2016 flood
event (Source: Reference 6) ....................................................................................................... 5
Photo 2: The Anthony Road causeway at Rileys Creek following the June 2016 flood event
(Source: Camden Council) .......................................................................................................... 5
LIST OF DIAGRAMS
Diagram 1: Error Histogram LiDAR minus SCIMS height ....................................................... 10
Diagram 2: Road survey and LiDAR comparison for various roads within the upper South Creek
catchment ................................................................................................................................. 11
Diagram 3: Dam survey and LiDAR comparison for Pondicherry Dams .................................... 14
Diagram 4: Available daily rainfall gauge records for upper South Creek .................................. 19
Diagram 5: South Creek at Elizabeth Drive (212320) Stream Gauge Data June 2016 Event . 21
Diagram 6: South Creek at Elizabeth Drive (212320) Stream Gauge February 2020 Event ... 21
Diagram 7: Rating curve and gaugings at Elizabeth Drive (212320).......................................... 22