FIG

UR

E 1

LO

CA

TIO

N O

F S

TU

DY

AR

EA

J:\Jobs\29024\ArcView\Arcmaps\Figure1_StudyArea.mxd

FIGURE 2

STUDY AREA

Catchment Boundary

Main Watercourse

Main roads

0 1250 2500 3750 5000m

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Sou

th C

reek

Rileys C

reek

Kem

ps C

reek

Bon

ds C

reek

Bringelly Rd

FIGURE 3SOUTH CREEK GROUND ELEVATION

BringellyRd

Study Area

Ground Elevation (mAHD)High : 186.078

Low : 52.411

0 500 1000 1500m

´

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ew/F

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outh

Cre

ekG

roun

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vatio

ns.m

xd

Sout

h C

reek

Rileys C

reek

Kem

ps C

reek

Bonds Creek

Thom

pson

s C

reek

FIGURE 4PROPOSED LAND USE INFORMATION

Catchment Boundary

Land Use

Environmental Management

Environmental Living

Infrastructure

General Industrial

General Residential

Neighbourhood Centre

Primary Production

Private Recreation

Public Recreation

Rural Landscape

Creeks

0 1 2 3 4km

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Info

.mxd

Bangor (568038)

Narellan No3 (568000)

Bringelly Signals 2 (567035)

Camden Brownlow Hill (568149)

South Creek at Elizabeth Drive (212320)

FIGURE 5

GAUGING STATION LOCATIONS- RAINFALL AND STREAM FLOW

Legend

Downstream Gauge

Rainfall Gauge

1D Network Creeks

Main Watercourse

Catchment Boundary

0 2000 4000 6000 8000mJ:

//Jo

bs/

2902

4/A

rcV

iew

/Fig

ure

5_G

aug

ing

Sta

tio

nL

oca

tio

nm

xd

Sou

th C

reek

Rileys C

reek

Kem

ps C

reek

Bon

ds C

reek

110100

1010

010

00

Intensity (mm/h)

Bur

st d

urat

ion

(min

)

Ban

gor 4

.87m

m/h

Ban

gor/

Brin

gelly

4.6

8mm

/h

Ban

gor 4

.35m

m/h

Brin

gelly

4.1

9mm

/h

Brin

gelly

4.6

6mm

/h

Nar

ella

n/B

ango

r 4.4

mm

/h

Nar

ella

n/B

ringe

lly 4

.94m

m/h

Nar

ella

n 4.

02m

m/h

Nar

ella

n 4.

63m

m/h

FIGURE 6APRIL 1988 RAINFALL COMPARISON WITH IFD

30

40

20

50

10

60

70

80

20

30

10

BANGOR

MT VERNON

NARELLAN NO#3

CAWDOR (WOODBURN)

CAMDEN GOLF COURSE

CAMDEN AIRPORT AWS

BRINGELLY SIGNALS 2

SOUTH CREEK @ MULGOA

PICTON COUNCIL DEPOT

CAMDEN (BROWNLOW HILL)

DOUGLAS PARK ( ST. MARYS TOWERS)

FIGURE 7A RAINFALL SPATIAL DISTRIBUTION

28 APRIL 1988

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re7A

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ibut

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2804

88.m

xd

Gauges

Study Area

Rainfall (mm)

< 10

10 - 20

20 - 30

30 - 40

40 - 50

50 - 60

60 - 70

70 - 80

80 - 90

90 - 100

100 - 110

110 - 120

120 - 130

> 130

0 2250 4500 6750 9000m

´

BANGOR

MT VERNON

NARELLAN NO#3

CAWDOR (WOODBURN)

CAMDEN GOLF COURSE

CAMDEN AIRPORT AWS

BRINGELLY SIGNALS 2

SOUTH CREEK @ MULGOA

PICTON COUNCIL DEPOT

CAMDEN (BROWNLOW HILL)

DOUGLAS PARK ( ST. MARYS TOWERS)

FIGURE 7B RAINFALL SPATIAL DISTRIBUTION

29 APRIL 1988

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_Rai

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istr

ibut

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2904

88.m

xd

Gauges

Study Area

Rainfall (mm)< 10

10 - 20

20 - 30

30 - 40

40 - 50

50 - 60

60 - 70

70 - 80

80 - 90

90 - 100

100 - 110

110 - 120

120 - 130

> 130

0 2250 4500 6750 9000m

´

BANGOR

MT VERNON

NARELLAN NO#3

CAWDOR (WOODBURN)

CAMDEN GOLF COURSE

CAMDEN AIRPORT AWS

BRINGELLY SIGNALS 2

SOUTH CREEK @ MULGOA

PICTON COUNCIL DEPOT

CAMDEN (BROWNLOW HILL)

DOUGLAS PARK ( ST. MARYS TOWERS)

FIGURE 7C RAINFALL SPATIAL DISTRIBUTION

30 APRIL 1988

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ibut

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3004

88.m

xd

Gauges

Study Area

Rainfall (mm)< 10

10 - 20

20 - 30

30 - 40

40 - 50

50 - 60

60 - 70

70 - 80

80 - 90

90 - 100

100 - 110

110 - 120

120 - 130

> 130

0 2250 4500 6750 9000m

´

110100

1010

010

00

Intensity (mm/h)

Bur

st d

urat

ion

(min

)

5680

38 -

Ban

gor

5680

45 -

War

raga

mba

5681

49 -

Cam

den

(Bro

wnl

ow H

ill)

5681

56 -

Cam

den

Gol

f Cou

rse

FIGURE 7JUNE 1991 RAINFALL COMPARISON WITH IFD

8

110100

1010

010

00

Intensity (mm/h)

Bur

st d

urat

ion

(min

)

5680

38 -

Ban

gor

5680

45 -

War

raga

mba

5681

49 -

Cam

den

(Bro

wnl

ow H

ill)

5681

56 -

Cam

den

Gol

f Cou

rse

FIGURE 8FEBRUARY 1992 RAINFALL COMPARISON WITH IFD

9

1.03

1.10

9.06

27.03

1.02

1.06

13.10

13.05

1.14

13.11

13.09

60.01

31.03

27.04

1.07

K_01

8.01

K_04

53.02

50.02

40.01

1.09

B_05

13.0428.02

1.01

5.01

K_061.13

1.11

1.08

13.08

7.01

B_04

27.05

B_06

6.01

54.0231.04

K_05

22.01

K_03

31.02

67.04

8.02

30.01

55.01

27.01

K_07

B_03

B_01

K_02 B_02

13.12

13.06

39.01

27.02

12.01

13.03

67.05

59.01

13.02

61.0169.02

50.01

67.03

47.01

37.01

57.02

17.02

25.01

62.02

53.01

28.01

2.01

31.01

B_07

4.01

K_08

33.01

32.01

15.01

51.01

67.02

44.01

69.03

1.05

masterfld

9.03

72.01

51.02

20.01

54.011.12

13.07

9.04

1.04

69.04

45.03

69.01

38.01

3.02

26.01

71.01

10.01

14.01

34.04

67.01

19.01

3.01

43.01

13.01

46.02

34.07

57.01

9.02

17.01

34.05

9.01

34.0334.02

46.01

34.01

62.0145.02

45.04

21.01

18.01

1.02

FIGURE 10HYDROLOGICAL SUB-CATCHMENTS

Subcatchment

Water courses

0 1000m

´

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Hyd

rolo

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xd

South Creek at Elizabeth Drive (212320)South Creek at Elizabeth Drive (212320)

FIGURE 11HYDRAULIC MODEL BUILD

KEMPS CREEK AND SOUTH CREEK

LegendDownstream Gauge

1D Network CreeksMain WatercourseMain roads

Catchment Boundary

0 2000 4000mJ:

//Job

s/29

024/

Arc

View

/Fig

ure1

1_H

ydra

ulic

Mod

elB

uild

.mxd

Sout

hC

reek

Sout

hC

reek

Rileys

Creek

Rileys

Creek

Kem

psC

reek

Kem

psC

reek

Bond

sC

reek

Bond

sC

reek

!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(!(

!(

FIGURE 12STRUCTURES SURVEYED

!( Hydraulic Structures

Main Watercourses

0 1000 2000 3000 4000m

´

J://J

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4/A

rcVi

ew/F

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e12_

Stru

ctur

esSu

rvey

ed.m

xd

Sout

h C

reek

Rileys C

reek

Kem

ps C

reek

Robens Cr

Barry Ave

Bringelly Rd

Springfiled Rd

Catherine Fields Rd

63.6

57.6

66.4

67.2

77.2

63.7

58.2

66.2

67.2

76.9

FIGURE 13

CALIBRATION EVENT - APRIL 1988

Observed level

Modelled level

Flood Depth (m)

0.15 - 0.25

0.26 - 0.50

0.51 - 0.75

0.76 - 1.00

> 1.00

0 1000 2000 3000 4000m

J://J

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Vie

w/F

igu

re13

_198

8Cal

ibra

tio

n.m

xd

59.5

59.559.5

59.5

59.5

59.5

59.5

59.4

59.459.4

59.4

59.4

59.4

59.4

See insetfor detail

77.2

67.5

66.4

63.6

2

59.4

57.6

55.0

60.0

65.0

70.0

75.0

80.0

85.0

90.0

95.0

010

0020

0030

0040

0050

0060

0070

0080

0090

0010

000

1100

012

000

Elevation (mAHD)

Ch

ain

age

(m)

Apr

il 19

88 F

lood

Hei

ght

Obs

erve

d F

lood

Lev

el

FIG

UR

E14

UP

PE

R S

OU

TH

CR

EE

KP

EA

K F

LO

OD

HE

IGH

TS

AP

RIL

198

8

Cam

den

Val

ley

Way

Cur

tis L

n*

Bar

ry A

ve c

nr A

llenb

y R

d*

Rob

ens

Cr*

Cat

herin

e F

ield

s R

d cn

r B

arry

Ave

*

Brin

gelly

Rd

* D

enot

es th

at r

oad

does

not

cro

ss th

e cr

eek.

40.5

41.0

41.5

42.0

42.5

43.0

43.5

44.0

Water level (mAHD)

Gau

ge le

vel

Tuf

low

Mod

el

1988 - CALIBRATION RESULTS - ELIZ

38.5

39.0

39.5

40.0

FIGURE 15ZABETH DRIVE STAGE

38.5

39.0

39.5

40.0

40.5

41.0

41.5

42.0

42.5

43.0

43.5

44.0

Water Level (mAHD)

Tuflo

w M

odel

Gau

ge le

vel

Not

e

Rai

n ga

uge:

Cam

dem

(Bro

wnl

ow H

ill -

5681

49)

Stre

am g

auge

: Sou

th C

reek

at E

lizab

eth

Dr.

(212

320)

FIGURE 16 1991 - VALIDATION RESULTS - ELIZABETH DRIVE STAGE

38.5

39.0

39.5

40.0

40.5

41.0

41.5

42.0

42.5

43.0

43.5

44.0

Water Level (mAHD)

Tuflo

w M

odel

Gau

ge le

vel

Not

e

Rai

n ga

uge:

Cam

dem

(Bro

wnl

ow H

ill -

5681

49)

Stre

am g

auge

: Sou

th C

reek

at E

lizab

eth

Dr.

(212

320)

FIGURE 17 1992 - VALIDATION RESULTS - ELIZABETH DRIVE STAGE

FIG

UR

E 1

8PE

AK

FLO

OD

DEP

TH1%

AEP

DES

IGN

EVE

NT

J:\Jobs\29024\ArcGis\ArcMaps\Figure18_100y_depth.mxd

´

Cat

chm

ent B

ound

ary

Area

s E

xclu

ded

from

Mod

elin

g

Mai

n R

oads

Floo

d D

epth

(m)

0.15

- 0.

25

0.26

- 0.

50

0.51

- 0.

75

0.76

- 1.

00

> 1.

00

01,

500

3,00

075

0(m

)

The

Nor

ther

n R

d

Brin

gelly

Rd

East

woo

d R

d

Ingl

ebur

n R

d

Cam

den

Valle

y W

ay

Dee

pfie

lds

Rd

FIG

UR

E 1

91%

AEP

PR

OVI

SIO

NA

L H

YDR

AU

LIC

HA

ZAR

D

J:\Jobs\29024\ArcGis\ArcMaps\Figure19_100y_hazard.mxd

´

Area

s E

xclu

ded

from

Mod

elin

g

Cat

chm

ent B

ound

ary

Mai

n R

oads

Low

Haz

ard

Hig

h H

azar

d

01,

500

3,00

075

0(m

)

The N

orthe

rn Rd

Bringelly Rd

Eastw

ood R

d

Ingleb

urn R

d

Cam

den

Valle

y W

ay

Dee

pfie

lds

Rd

FIG

UR

E 2

01%

AEP

PR

OVI

SIO

NA

L H

YDR

AU

LIC

CAT

EGO

RIS

ATIO

N

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´

Cat

chm

ent B

ound

ary

Are

as E

xclu

ded

from

Mod

elin

g

Mai

n R

oads

Floo

dway

Floo

d S

tora

ge

01,

500

3,00

075

0(m

)

The N

orthe

rn Rd

Bringelly Rd

Eastw

ood R

d

Ingleb

urn R

d

Cam

den

Valle

y W

ay

Dee

pfie

lds

Rd

FIG

UR

E 2

1PE

AK

FLO

OD

DEP

TH5%

AEP

DES

IGN

EVE

NT

J:\Jobs\29024\ArcGis\ArcMaps\Figure21_020y_depth.mxd

´

Area

s E

xclu

ded

from

Mod

elin

g

Mai

n R

oads

Floo

d D

epth

(m)

0.15

- 0.

25

0.25

- 0.

5

0.5

- 0.7

5

0.75

- 1

> 1

Cat

chm

ent B

ound

ary

01,

500

3,00

075

0(m

)

The

Nor

ther

n R

d

Brin

gelly

Rd

East

woo

d R

d

Ingl

ebur

n R

d

Cam

den

Valle

y W

ay

Dee

pfie

lds

Rd

FIG

UR

E 2

2PE

AK

FLO

OD

DEP

THPM

F D

ESIG

N E

VEN

T

J:\Jobs\29024\ArcGis\ArcMaps\Figure22_PMF_depth.mxd

´

Cat

chm

ent B

ound

ary

Area

s E

xclu

ded

from

Mod

elin

g

Mai

n R

oads

Floo

d D

epth

(m)

0.15

- 0.

25

0.26

- 0.

50

0.51

- 0.

75

0.76

- 1.

00

> 1.

00

01,

500

3,00

075

0(m

)

The

Nor

ther

n R

d

Brin

gelly

Rd

East

woo

d R

d

Ingl

ebur

n R

d

Cam

den

Valle

y W

ay

Dee

pfie

lds

Rd

0 0.2

0.4

0.6

0.8

1 1.2

1.4

1.6

53

54

55

56

57

58

59

60

61

62

1 3 5 7 9

11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99

101

Velocity (m/s)

Elevation (mAHD)

Cha

inag

e (m

)

Floo

dway

Gro

und

Pea

k V

eloc

ity 1

% A

EP

FIGURE 23 UPPER SOUTH CREEK

CROSS-SECTIONAL VELOCITY DISTRIBUTION