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Minnegang CreekFlood Study
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© Kellogg Brown & Root Pty Ltd, 20
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SummaryThis report presents the det
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The RatHGL modelling indicated that
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FIGURESSectionPageFigure 2-1 Catchm
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ABBREVIATIONSAEPAHDARIAR&RDCPIFDLEP
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2 Catchment DescriptionThe Minnegan
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Figure 2.1CATCHMENT AND STUDY AREAM
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Illawarra Flood Study investigated
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The catchment was divided into 64 s
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To determine the peak flow from the
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5 Hydraulic Modelling5.1 INTRODUCTI
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Table 5-1 MIKE 11 river branchesBra
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elationship that is determined from
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interaction between the numerical m
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significantly affected since the ex
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Since Points A and B correspond to
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5.9 MODEL SENSITIVITY ANALYSESSensi
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555053.09RANCHBY AVEElevation (m AH
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Creek and pass directly over Northc
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5.12.4 Overland flow pathsAs discus
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Table 6-1 Peak design dischargesBra
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55.050.0PMF Flood Level1% AEP Flood
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1% AEP velocities and flow distribu
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2524.52423.5RL (m)231% AEP velociti
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RL (m)3433.53332.53231.53130.53029.
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Figure 5-6.Table 6-2 Piped drainage
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that handrails above these structur
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flooding within the catchment are n
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35.01% AEP flood level - blocked ca
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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
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- 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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