Minnegang Creek Flood Study Report - Wollongong City Council

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Appendix DRafts Hydrologic ModelRAFTS MODEL PARAMETERSSUMMARY OF CATCHMENT AND RAINFALL DATALink Catch. Area Slope % Impervious Pern B LinkLabel #1 #2 #1 #2 #1 #2 #1 #2 #1 #2 No.(hectares) (%) (%)MH001A .4108 .2787 13.30 13.30 5.000 100.0 .025 .015 .0036 .0002 1.000MH60 .6230 .3034 15.20 15.20 5.000 100.0 .025 .015 .0042 .0002 1.001MH54 .4386 .2964 15.20 15.20 5.000 100.0 .025 .015 .0035 .0002 1.002MH56 .3978 .3429 10.90 10.90 5.000 100.0 .025 .015 .0039 .0003 2.000MH53 .6717 .6275 11.00 11.00 5.000 100.0 .025 .015 .0051 .0004 1.003MH50 .5894 .5306 13.60 13.60 5.000 100.0 .025 .015 .0043 .0003 3.000MH50A .9635 .8440 8.000 8.000 5.000 100.0 .025 .015 .0073 .0005 1.004MH52 .00670 .1273 13.80 13.80 5.000 100.0 .025 .015 .0004 .0001 1.005MH46 .8128 .7289 14.30 14.30 5.000 100.0 .025 .015 .0050 .0003 4.000MH48 .3367 .4625 13.50 13.50 5.000 100.0 .025 .015 .0032 .0003 4.001MH52C 1.508 .4316 10.70 10.70 5.000 100.0 .025 .015 .0079 .0003 1.006MH43 .5782 .7181 7.200 7.200 5.000 100.0 .025 .015 .0059 .0005 5.000MH41 1.509 1.440 10.00 10.00 5.000 100.0 .025 .015 .0082 .0006 5.001MH21 .9294 1.276 10.00 10.00 5.000 100.0 .025 .015 .0064 .0005 6.000MHA 1.196 .4206 19.80 19.80 5.000 100.0 .025 .015 .0052 .0002 7.000MH30 .5908 .3418 15.60 15.60 5.000 100.0 .025 .015 .0040 .0002 7.001MH29 .00399 .0758 9.200 9.200 5.000 100.0 .025 .015 .0004 .0001 7.002MHB 2.190 .6472 20.00 20.00 5.000 100.0 .025 .015 .0070 .0003 8.000MH28 .5164 .3002 15.00 15.00 5.000 100.0 .025 .015 .0038 .0002 8.001MH27 .00361 .0686 7.500 7.500 5.000 100.0 .025 .015 .0004 .0001 8.002MH27A .6769 .2537 10.80 10.80 5.000 100.0 .025 .015 .0052 .0002 7.003MH26A 2.999 .8244 12.00 12.00 5.000 100.0 .025 .015 .0107 .0004 9.000MH26 .2229 .1860 9.600 9.600 5.000 100.0 .025 .015 .0031 .0002 9.001MH25 .00393 .0748 8.900 8.900 5.000 100.0 .025 .015 .0004 .0001 9.002MH24 .9714 .3994 6.200 6.200 5.000 100.0 .025 .015 .0083 .0004 10.00MH23 .00435 .0826 7.100 7.100 5.000 100.0 .025 .015 .0005 .0002 10.00MHC 6.268 3.007 3.500 3.500 5.000 100.0 .025 .015 .0291 .0014 5.002MHD .6056 .8400 9.200 9.200 5.000 100.0 .025 .015 .0053 .0004 5.003SV8507-DO-001 Rev 2 D-118/10/02
MHE .5359 .3573 12.10 12.10 5.000 100.0 .025 .015 .0044 .0003 5.004MH31 .3018 .3845 10.10 10.10 5.000 100.0 .025 .015 .0035 .0003 11.00MH32 .00797 .1515 5.200 5.200 5.000 100.0 .025 .015 .0007 .0002 11.00MH36 .0138 .2622 7.300 7.300 5.000 100.0 .025 .015 .0008 .0003 11.00MH67 2.017 1.795 8.100 8.100 5.000 100.0 .025 .015 .0106 .0007 11.00Dummy1 .00100 .000 .0010 .0000 5.000 .0000 .025 .00 .0181 .0000 5.005MH68 .0207 .3934 2.800 2.800 5.000 100.0 .025 .015 .0017 .0005 5.006MH69A 2.299 .2507 10.00 10.00 5.000 100.0 .025 .015 .0102 .0002 1.007MH70 .7560 .0704 12.00 12.00 5.000 100.0 .025 .015 .0052 .0001 1.008MH78 .7643 .9238 8.100 8.100 5.000 100.0 .025 .015 .0064 .0005 1.009MH62 .6121 .7124 5.500 5.500 5.000 100.0 .025 .015 .0069 .0005 12.00MH72 .6112 .7302 15.00 15.00 5.000 100.0 .025 .015 .0042 .0003 13.00MH76 .00498 .0946 8.500 8.500 5.000 100.0 .025 .015 .0005 .0002 13.00MH77 .8444 .9552 7.600 7.600 5.000 100.0 .025 .015 .0070 .0005 12.00Dummy2 .00100 .000 .0010 .0000 5.000 .0000 .025 .00 .0181 .0000 1.010MH79 1.112 1.005 8.900 8.900 5.000 100.0 .025 .015 .0074 .0005 1.011MH80 .0199 .3790 10.90 10.90 5.000 100.0 .025 .015 .0008 .0003 1.012MHF .6472 .3568 11.80 11.80 5.000 100.0 .025 .015 .0049 .0003 1.013MH87 .1994 .5179 5.700 5.700 5.000 100.0 .025 .015 .0038 .0004 14.00MH96 .2775 .3876 2.900 2.900 5.000 100.0 .025 .015 .0063 .0005 15.00MH94 .00323 .0614 7.000 7.000 5.000 100.0 .025 .015 .0004 .0001 16.00MH95 .00621 .1180 1.800 1.800 5.000 100.0 .025 .015 .0011 .0004 15.00MH98 1.838 1.386 10.50 10.50 5.000 100.0 .025 .015 .0089 .0005 14.00MH100 .1699 .3365 12.50 12.50 5.000 100.0 .025 .015 .0024 .0002 14.00MC1 .4072 .1728 11.40 11.40 5.000 100.0 .025 .015 .0039 .0002 1.014MH104 .4496 .8207 12.40 12.40 5.000 100.0 .025 .015 .0039 .0004 17.00MC2 2.125 .4192 16.70 16.70 5.000 100.0 .025 .015 .0076 .0002 1.015MC3 1.422 .6976 5.700 5.700 5.000 100.0 .025 .015 .0105 .0005 1.016MH114 .5957 .5694 10.40 10.40 5.000 100.0 .025 .015 .0050 .0003 18.00MH115 .00836 .1589 7.000 7.000 5.000 100.0 .025 .015 .0007 .0002 18.00MH110 1.273 1.293 5.900 5.900 5.000 100.0 .025 .015 .0098 .0007 18.00S055 .8054 .9036 7.000 7.000 5.000 100.0 .025 .015 .0071 .0005 19.00MC4 2.210 .3424 7.200 7.200 5.000 100.0 .025 .015 .0118 .0003 19.00Dummy3 .00100 .000 .0010 .0000 5.000 .0000 .025 .00 .0181 .0000 1.017MH132 .5472 .6736 12.00 12.00 5.000 100.0 .025 .015 .0044 .0004 20.00MH134 .00629 .1194 5.600 5.600 5.000 100.0 .025 .015 .0006 .0002 20.00MHG 1.866 .3656 7.000 7.000 5.000 100.0 .025 .015 .0110 .0003 20.00Dummy4 .00100 .000 .0010 .0000 5.000 .0000 .025 .00 .0181 .0000 1.018SV8507-DO-001 Rev 2 D-218/10/02
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Minnegang CreekFlood Study
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© Kellogg Brown & Root Pty Ltd, 20
Page 6 and 7:
SummaryThis report presents the det
Page 8 and 9:
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
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
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Table 5-1 MIKE 11 river branchesBra
Page 32 and 33:
elationship that is determined from
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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 58 and 59: 1% AEP velocities and flow distribu
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: Appendix DRAFTS HYDROLOGIC MODELSV8
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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