Final Draft Flood Study Report

Lower Macleay Flood Study

Appendix C. Model Calibration – March 2001 Flood Event

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400

350

20030

0

294mm

269mm 225mm

427mm

346mm

184mm

244mm

191mm

392mm

236mm

232mm

KempseyAirport Kempsey

(Wide St)

Willawarrin(Denleigh)

Wittitrin

Smoky Cape

Macksville Country Club

Crescent Head

Eungai(Searles Rd)

Collombatti(Benbullen)

Green Valley

1 of 1SHEETGDA 1994 MGA Zone 56

DRAWN

CHECK

PROJECT Lower Macleay Flood Study

TITLE Modelled Rainfall Distributionfo Local CatchmentsMarch 2001 Event

A3

GIS

MA

P fi

le :

IA17

6800

_R01

_Fig

C-1

_200

1_R

Fdis

tr_0

1

PROJECT # MAP # REV

1DATE

LC

AH

VER

1

12/10/2018

FIGURE C-1

!«N#Legend

2001 Event Rainfall Isohyet

!( Rainfall StationAdopted Rainfall Temporal Distribution

Kempsey (Pluvio)Euroka (Daily, scaled to Kempsey Pluvio)Smoky Cape (scaled to 200mm and to Kempsey Pluvio)TUFLOW Model Extent

J:\IE\Projects\04_Eastern\IA176800\06 Technical\Spatial\ArcMap\R02 Calibration Report\IA176800_R01_FigC-1_2001_RFdistr_01.mxd

COPYRIGHT : The concepts and information contained in this document are the intellectual property of Jacobs. Use or copying of the document in whole or in part without writtenpermission of Jacobs constitutes an infringement of copyright.

0 5 102.5Kilometres

IA176800

Total rainfall depths are for the period9am 6 March to 9am 12 March 2001.

Final Draft Flood Study Report

Lower Macleay Flood Study

Figure C-2 Inflow and Tailwater Boundary Hydrographs and Cumulative Rainfall, March 2001

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53

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5

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43

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6

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105

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7.44

4.8

4.34

4.5

3.44

2.75

2.12

1.35

3.1

2.94

7.44

5.06

4.33

4.53

3.46

2.71

2.242.01

1.33

2.89

3.13

1 of 1SHEETGDA 1994 MGA Zone 56

DRAWN

CHECK

PROJECT Lower Macleay Flood Study

TITLE Model Calibration March 2001 Event

A3

GIS

MA

P fi

le :

IA17

6800

_R03

_Fig

C-3

_200

1_d_

H_c

al_0

2

PROJECT # MAP # REV1

DATE

LC

AH

VER1

4/07/2019

FIGURE C-3

!«N#Legend

Depth (m)0 - 0.20.2 - 0.50.5 - 11 - 22 - 33 - 4> 4

Flood Level 1m Contour (m AHD)Flood Level 0.2m Contour (m AHD)Observed Peak Flood Level (m AHD)Modelled Peak Flood Level (m AHD)Limit of Mapping

J:\IE\Projects\04_Eastern\IA176800\06 Technical\Spatial\ArcMap\R02 Calibration Report\IA176800_R03_FigC-3_2001_d_H_cal_02.mxd

LIMITATIONS: This mapping is based ondata and assumptions identified in theLower Macleay Flood Study prepared by Jacobs. Jacobs does not warrant, guarantee or make representations regarding the currency and accuracy ofinformation contained in this map.

0 5 102.5Kilometres

IA176800

Final Draft Flood Study Report

Lower Macleay Flood Study

Figure C-4 Observed vs Modelled stage hydrograph, Kempsey Traffic Bridge, March 2001

Final Draft Flood Study Report

Lower Macleay Flood Study

Figure C-5 Observed vs Modelled stage hydrograph, Smithtown, March 2001

Final Draft Flood Study Report

Lower Macleay Flood Study

Figure C-6 Observed vs Modelled stage hydrograph, South West Rocks, March 2001

Final Draft Flood Study Report

Lower Macleay Flood Study

Figure C-7 Modelled water surface profile. Comparison to observed flood marks, Kempsey CBD TUFLOW and RUBICON. March 2001