Minnegang Creek Flood Study Report - Wollongong City Council

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1% AEP velocities and flow distribution2% AEP velocities and flow distribution353534.534.5RL (m)3433.5331.3 m/s6%2.3 m/s81%1.5 m/s12%RL (m)3433.5331.2 m/s6%2.2 m/s82%1.4 m/s12%32.532.5323231.531.531-10 -5 0 5 10 15 20 25Offset (m)31-10 -5 0 5 10 15 20 25Offset (m)5% AEP velocities and flow distribution20% AEP velocities and flow distributionRL (m)3534.53433.53332.51.2 m/s5%2.1 m/s83%1.4 m/s12%RL (m)3534.53433.53332.51.5 m/sLowHazard8%1.HighHazard2.1 m/s81%1.1 m/s5%LowHazard1.3 m/s11%1.9 m/s85%1.3 m/s11%323231.531.531-10 -5 0 5 10 15 20 25Offset (m)31-10 -5 0 5 10 15 20 25Offset (m)LowHazardHighHazardLowHazardFigure 6-8VELOCITY AND FLOW DISTRIBUTIONSMINNEGAN 0.402Minnegang Creek Flood Study
1% AEP velocities and flow distribution2% AEP velocities and flow distribution3030RL (m)29.52928.50.7 m/s29%1.1 m/s68%0.8 m/s3%RL (m)29.52928.50.7 m/s29%1.1 m/s68%0.8 m/s3%282827.527.52735 45 55 65 75 85Offset (m)2735 45 55 65 75 85Offset (m)305% AEP velocities and flow distribution3020% AEP velocities and flow distribution29.529.5RL (m)2928.50.7 m/s26%1.0 m/s71%0.7 m/s3%RL (m)2928.50.5 m/s21%0.9 m/s77%0.6 m/s3%282827.527.52735 45 55 65 75 85Offset (m)2735 45 55 65 75 85Offset (m)Figure 6-9VELOCITY AND FLOW DISTRIBUTIONSMINNEGAN 0.616Minnegang Creek Flood Study
Page 1 and 2:
Minnegang CreekFlood Study
Page 3: © Kellogg Brown & Root Pty Ltd, 20
Page 6 and 7: SummaryThis report presents the det
Page 8 and 9: The RatHGL modelling indicated that
Page 10 and 11: FIGURESSectionPageFigure 2-1 Catchm
Page 12 and 13: ABBREVIATIONSAEPAHDARIAR&RDCPIFDLEP
Page 14 and 15: 2 Catchment DescriptionThe Minnegan
Page 16: Figure 2.1CATCHMENT AND STUDY AREAM
Page 20 and 21: Illawarra Flood Study investigated
Page 23 and 24: The catchment was divided into 64 s
Page 25 and 26: To determine the peak flow from the
Page 27 and 28: 5 Hydraulic Modelling5.1 INTRODUCTI
Page 29: Table 5-1 MIKE 11 river branchesBra
Page 32 and 33: elationship that is determined from
Page 34 and 35: interaction between the numerical m
Page 36 and 37: significantly affected since the ex
Page 38 and 39: Since Points A and B correspond to
Page 41 and 42: 5.9 MODEL SENSITIVITY ANALYSESSensi
Page 43 and 44: 555053.09RANCHBY AVEElevation (m AH
Page 45 and 46: Creek and pass directly over Northc
Page 47: 5.12.4 Overland flow pathsAs discus
Page 50 and 51: Table 6-1 Peak design dischargesBra
Page 52 and 53: 55.050.0PMF Flood Level1% AEP Flood
Page 60 and 61: 2524.52423.5RL (m)231% AEP velociti
Page 62 and 63: RL (m)3433.53332.53231.53130.53029.
Page 64 and 65: Figure 5-6.Table 6-2 Piped drainage
Page 66 and 67: that handrails above these structur
Page 68 and 69: flooding within the catchment are n
Page 70 and 71: 35.01% AEP flood level - blocked ca
Page 72 and 73: 20.01% AEP flood level - blocked ca
Page 74 and 75: Appendix AReferencesBureau of Meteo
Page 76 and 77: Appendix BGLOSSARYSV8507-DO-001 Rev
Page 78 and 79: hydraulicshydrographhydrologyMIKE 1
Page 80 and 81: Appendix CHistorical Flood DataRECO
Page 82 and 83: Time Rain(mm)Time Rain(mm)Time Rain
Page 85 and 86: Appendix DRAFTS HYDROLOGIC MODELSV8
Page 87 and 88: MHE .5359 .3573 12.10 12.10 5.000 1
Page 89 and 90: Mannings n 0.025 0.025 0.025 0.025
Page 91 and 92: Mannings n 0.025 0.025 0.025 0.025
Page 93 and 94: MH94 67.500 15.00 1.500 2.500 .0000
Page 95 and 96: Appendix EMIKE 11 HYDRAULIC MODELSV
Page 97 and 98: EXIST ; DENISE2 ; 0.005; 0.133; 100
Page 99 and 100: 22.40; 88.40;23.30; 100.00;25.10; 1
Page 101 and 102: 27.26; 128.96;27.43; 137.64;28.08;
Page 103 and 104: 1; 1.250;0;1.800; 1.250; 0.000; 0.0
Page 105 and 106:
PIPE_10; 0.108; EXIST;57.000; 159.0
Page 107 and 108:
Appendix FMIKE11 RESULTS SUMMARYThi
Page 109 and 110:
BRANCH CHAINAGE PMF 1% AEP 2% AEP 5
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Minnegang Creek Flood Study Report - Wollongong City Council

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