APPENDIX B FLOOD DAMAGES - Upper Lachlan Shire...B8.1 Crookwell - Damage - Frequency Curves and...

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APPENDIX B

FLOOD DAMAGES

The Villages of Crookwell, Gunning, Collector and Taralga

Floodplain Risk Management Study and Draft Plan

FVFRMS_V2_Figures_[Rev 1.2].docx Lyall & Associates

November 2016 Rev. 1.2

LIST OF FIGURES (APPENDIX B)

B8.1 Crookwell - Damage - Frequency Curves and Cumulative Flooded Properties versus Depth of Inundation Diagram – 100 year ARI (Nominal Flood Levels Case)

B8.2 Gunning - Damage - Frequency Curves and Cumulative Flooded Properties versus Depth of Inundation Diagram – 100 year ARI (Nominal Flood Levels Case)

B8.3 Collector - Damage - Frequency Curves and Cumulative Flooded Properties versus Depth of Inundation Diagram – 100 year ARI (Nominal Flood Levels Case)

B8.4 Taralga - Damage - Frequency Curves and Cumulative Flooded Properties versus Depth of Inundation Diagram – 100 year ARI (Nominal Flood Levels Case)

2 20 100 200 500 PMF

Average Recurrence Interval (years)

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Flo

od

Dam

ag

es (

$ M

illio

n)

DAMAGE FREQUENCY CURVE

0 5 10 15 20 25 30 35 40 45 50

Cumulative Number of Properties

0

0.2

0.4

0.6

0.8

Dep

th o

f A

bo

ve-F

loo

r In

un

dati

on

(m

)

CUMULATIVE FLOODED PROPERTIES VERSUSDEPTH OF INUNDATION DIAGRAM - 100 YEAR ARI

NOTE:

Values apply for nominal designflood levels.

THE FOUR VILLAGESFLOODPLAIN RISK MANAGEMENT STUDY AND PLAN

4PT SPACE

Figure B8.14 POINT TEXT

4PT SPACE CROOKWELL DAMAGE - FREQUENCY CURVES ANDCUMULATIVE FLOODED PROPERTIES VERSUS DEPTH OF INUNDATION DIAGRAM

100 YEAR ARI (NOMINAL FLOOD LEVELS CASE)

2 20 100 200 500 PMF

Average Recurrence Interval (years)

0

2

4

6

8

10

12

14

16

18

20

Flo

od

Dam

ag

es (

$ M

illio

n)

DAMAGE FREQUENCY CURVE

0 5 10 15 20 25

Cumulative Number of Properties

0

0.1

0.2

0.3

0.4

Dep

th o

f A

bo

ve-F

loo

r In

un

dati

on

(m

)

CUMULATIVE FLOODED PROPERTIES VERSUSDEPTH OF INUNDATION DIAGRAM - 100 YEAR ARI

NOTE:

Values apply for nominal designflood levels.

THE FOUR VILLAGESFLOODPLAIN RISK MANAGEMENT STUDY AND PLAN

4PT SPACE

Figure B8.24 POINT TEXT

4PT SPACE GUNNING DAMAGE - FREQUENCY CURVES ANDCUMULATIVE FLOODED PROPERTIES VERSUS DEPTH OF INUNDATION DIAGRAM

100 YEAR ARI (NOMINAL FLOOD LEVELS CASE)

2 20 100 200 500 PMF

Average Recurrence Interval (years)

0

1

2

Flo

od

Dam

ag

es (

$ M

illio

n)

DAMAGE FREQUENCY CURVE

0 1 2 3 4 5

Cumulative Number of Properties

0

0.2

0.4

0.6

Dep

th o

f A

bo

ve-F

loo

r In

un

dati

on

(m

)

CUMULATIVE FLOODED PROPERTIES VERSUSDEPTH OF INUNDATION DIAGRAM - 100 YEAR ARI

NOTE:

Values apply for nominal designflood levels.

THE FOUR VILLAGESFLOODPLAIN RISK MANAGEMENT STUDY AND PLAN

4PT SPACE

Figure B8.34 POINT TEXT

4PT SPACECO COLLECTOR DAMAGE - FREQUENCY CURVES ANDCUMULATIVE FLOODED PROPERTIES VERSUS DEPTH OF INUNDATION DIAGRAM

100 YEAR ARI (NOMINAL FLOOD LEVELS CASE)

2 20 100 200 500 PMF

Average Recurrence Interval (years)

0

1

2

Flo

od

Dam

ag

es (

$ M

illi

on

)

DAMAGE FREQUENCY CURVE

0 1 2 3 4 5 6

Cumulative Number of Properties

0

0.1

0.2

0.3

0.4

0.5

0.6

Dep

th o

f A

bo

ve-F

loo

r In

un

dati

on

(m

)

CUMULATIVE FLOODED PROPERTIES VERSUSDEPTH OF INUNDATION DIAGRAM - 100 YEAR ARI

NOTE:

Values apply for nominal designflood levels.

THE FOUR VILLAGESFLOODPLAIN RISK MANAGEMENT STUDY AND PLAN

4PT SPACE

Figure B8.44 POINT TEXT

4PT SPACECO TARALGA DAMAGE - FREQUENCY CURVES ANDCUMULATIVE FLOODED PROPERTIES VERSUS DEPTH OF INUNDATION DIAGRAM

100 YEAR ARI (NOMINAL FLOOD LEVELS CASE)

APPENDIX C

ASSESSMENT OF POTENTIAL

FLOOD MODIFICATION MEASURES

The Villages of Crookwell, Gunning, Collector and Taralga

Floodplain Risk Management Study and Draft Plan

FVFRMS_V2_Figures_[Rev 1.2].docx Lyall & Associates

November 2016 Rev. 1.2

LIST OF FIGURES (APPENDIX C)

C3.1 Impact of Stream Clearing on Peak Flood Levels at Crookwell – 100 year ARI

C3.2 Impact of King Road Drainage Upgrade on Peak Flood Levels at Crookwell

C3.3 Impact of Goulburn Street Trunk Drainage Upgrade on Peak Flood Levels at Crookwell – 100 year ARI

C3.4 Impact of Cullen Street Detention Basin on Peak Flood Levels at Crookwell

C3.5 Impact of Grange Road Detention Basin on Peak Flood Levels at Crookwell

C3.6 Impact of Combined Detention Basin Strategy on Peak Flood Levels at Crookwell

C3.7 Impact of Combined Detention Basin Strategy and Goulburn Street Trunk Drainage Upgrade on Peak Flood Levels at Crookwell – 100 year ARI

C3.8 Impact of Saleyards Road Detention Basin on Peak Flood Levels at Crookwell

C4.1 Impact of Biala Street Drainage Upgrade on Peak Flood Levels at Gunning

C4.2 Impact of Cullavin Street Levee Option 1 on Peak Flood Levels at Gunning

C4.3 Impact of Cullavin Street Levee Option 2 on Peak Flood Levels at Gunning

C5.1 Impact of George Street Drainage Upgrade on Peak Flood Levels at Collector

C5.2 Impact of Collector Bypass Channel on Peak Flood Levels at Collector

C6.1 Impact of Orchard Street Drainage Upgrade on Peak Flood Levels at Taralga

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