appendix b rainfall ifd data · rainfall ifd data . rainfall data adopted from narrabeen lagoon...

Appendix B Rainfall IFD Data

Rainfall Data Adopted from Narrabeen Lagoon Creek Study

Duration (hr)

Intensity for Design Frequency Event (mm/hr)

2yr 5yr 10yr 20yr 50yr 100yr

0.5 60.3 78.5 89.3 103.0 122 136

1 41.3 54.3 62.3 72.0 85.3 95.4

2 27.6 36.4 41.5 48.3 57.2 64.0

3 21.7 28.5 32.5 37.7 44.6 49.9

6 14.4 18.7 21.3 24.6 29.0 32.4

12 9.5 12.3 14.0 16.2 19.0 21.2

24 6.1 8.1 9.2 10.7 12.6 14.1

48 3.9 5.1 5.9 6.9 8.3 9.3

72 2.9 3.8 4.4 5.2 6.2 7.0

Rainfall Data Obtained from BOM

Duration (hr)

Intensity for Design Frequency Event (mm/hr)

2yr 5yr 10yr 20yr 50yr 100yr

0.5 60.1 78.3 89.0 103.0 121 135

1 41.2 54.2 61.8 71.9 85.0 95.2

2 27.6 36.3 41.4 48.1 56.9 63.7

3 21.7 28.4 32.4 37.6 44.4 49.6

6 14.4 18.7 21.2 24.5 28.8 32.1

12 9.48 12.3 13.9 16.1 18.9 21.0

24 6.17 8.08 9.17 10.6 12.5 14.0

48 3.89 5.16 5.92 6.91 8.23 9.23

72 2.89 3.86 4.45 5.20 6.21 6.98

Appendix C Pavement Drainage Strategy and Reporting Locations

P1

P7

P13

P10

P16

P5

P4P6

P2

P8-1

P4-1

P6-1-1

P9-1

P9

P8

P3-1

P6-1

P3

P4-1-1

P3-1-1

FIGURE C1: Output Reporting Sections

Mona Vale Road West Hydraulic Impact Assessment

Source: Aurecon,LPI, ESRI World Map

Legend

0 250 500m°

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Projection: GDA 1994 MGA Zone 56

Output reporting locations

Outflow boundaries

Hydraulic model extent

Creeks

Property boundaries

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

SM

ITHS

CR

EE

K

CIC

AD

AG

LEN

CR

EE

K

WIR

RE

AN

DA

CR

EEK

WIRREANDA

CREEK

MCCARRS

CREEK

POWDER WORKS ROAD

BO

OR

ALIE ROAD

COREEN AVENUE

MONA VALERO

AD

CU

DA

LC

LOS

E

TIMARU ROAD

BL

OO

DW

OO

DR

OA

D

KIMBRIKI ROAD

BELTANA AVENUE

MONAVALE ROAD

NAROO

ROAD

WIR

RE

AN

DA

ROAD

CH

ILT

ER

N R

OA

D

CH

EY

NE

RO

AD

MCCOWEN ROAD

WA

TT

LE

RO

AD

KIN

G R

OA

D

MA

NO

RR

OA

D

WARATAH ROAD

MIR

BE

LIA

PA

RA

DE

TERRY HILLS TRAIL

HARVEY ROAD

YULONG AVEN

UE

LANE COVEROAD

KANANGRA AV

EN

UE A

DD

ISO

N R

OA

D

CA

LE

YI

TR

AIL

MC

CA

RR

S C

RE

EK

RO

AD

MC

CA

RR

SC

RE

EK

RO

AD

WIRREANDA ROAD

TUMBURRA

STREET

EM

MA

US

RO

AD

BU

NG

EN

DO

RE

RO

AD

DU

CK

HOLETRACK

GarigalNational

Park

Ku-ring-gai ChaseNational Park

Ku-ring-gaiChase National

Park


P9-1-1

P3

P8

P9

P3-1-1

P2

P6

P6-1

P3-1

P4-1-1

P9-1

P4-1P8

-1

P4

P5

P6-1-1

P1

P2

P3

P4

P8-1

P3-1

P12P13

P7

P10

P16

P16

P7

P10

P13

P1

FIGURE C2 : Post Upgrade Pavement Drainage Strategy


Source: Aurecon, LPI, ESRI World Maps

Legend

0 250 500m°

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!(Post Upgrade Pavement DrainageDischarge Outlets

Culvert

Pavement Drainage

Output Reporting Sections

Water Quality Improvement Swales

Natural Drainage Depressions

Creeks

MVRW Post Upgrade ExternalCatchments

Construction boundary

National Park

!(

!(

!(

!(

Discharge pavement drainageon the southern side of the exisiting carraigeway

Discharge pavementdrainage on the southernside of carraigeway

Discharge pavement drainage with a level spreader over onionorchard

Discharge pavement drainage on the southernside of carraigeway

WIR

REA

NDA

CREEK

MC

CA

RR

SC

RE

EK

RO

AD

BOORALIE ROAD

MO

NAVALE

ROAD

MONA VALE ROAD

DU

CK

HOLE

TRA

CK

WIRREANDA ROAD

YULONG AVENUE

KAN

AN

GR

AAV

EN

UE

KIM

BR

IKIR

OA

D

TERRY HILLS TRAIL

GarigalNational

Park


P5P3

P2

P4

P1

P1

P2

P3

P4

MVRD20

MVRD19

MVRD5

MVRD17

MVRD4

MVRD3

FIGURE C2 (C3): Post Upgrade Pavement Drainage Strategy


Source: Aurecon, LPI, ESRI World Map

Legend

0 100 200m°

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Piped pavement diversion

Culvert

Pavement Drainage




Creeks

Frog Habitat



National Park

!(

!(

!(

!(

Discharge pavement drainage on the southernside of carraigeway

Discharge pavement drainageon the northern side of carriageway

W2040W2140W2400

Discharge pavementdrainage on the northernside of carriageway


WIR

REA

NDA

CREEK

MONAVALE ROAD

WIR

RE

AN

DA

R

OA

D

HARVEY ROAD

DUC

KH

OLE

TRAC

K

WIR

REA

ND

AR

OA

D

WIRREANDA ROAD

TU

MB

UR

RA

ST

RE

ET

TUMBURRASTREET

CA

L EY

IT

RA

IL

GarigalNational

Park


P9-1-1

P8

P9

P3-1-1

P6

P3-1

P9-1

P8-1

P4

P5

Culve

rtC1

25

P10

MVRD3

MVRD9

MVRD16

MVRD15MVRD11MVRD10

MVRD8

MVRD6

MVRD17

MVRD4

MVRD7 MVRD3

MVRD3

MVRD13

MVRD14

P21

MVRD28MVRD32

MVRD26

MVRD29

MVRD30

P22

MVRD27

MVRD12

P4

P8-1

P3-1

P10




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Culvert

Pavement Drainage




Creeks

Frog Habitat



National Park

!(

!(

!(

!(

!(

!(


W2040



Discharge pavementdrainage on the southernside of carriageway

Discharge pavementdrainage on the southernside of carriageway

Discharge pavementdrainage on the southernside of carriageway via pipe

POWDER WORKS ROAD

MONA

VALE

RO

AD

MA

NO

RR

OA

D

WIRREANDA ROAD

WARATAH ROAD

WA

TT

L ER

OA

D

KING ROAD

HARVEY ROAD

AD

DIS

ON

RO

AD

TU

MB

UR

RA

ST

RE

ET

CA

LEY

ITR

AIL

GarigalNational Park

P8P8-1

Culve

rtC1

25

Culve

rt C64

0

P16

P7

P10

P13

P8-1

P12

P13

P7

P10

P16

MVRD16

MVRD1

MVRD15MVRD11

MVRD2

MVRD3

MVRD3

MVRD13

MVRD14

MVRW1

MVRD220

P19

P17P18

MVRD21

MVRW101

MVRW100

MVRD23

P20

P21

P132

P133 MVRD25

MVRD28

MVRD26

MVRD29

MVRD30

P22

MVRD132

P13

MVRD24

MVRD18

MVRD27

MVRD31

MVRD141

P131

P23

P24

MVRW104

MVRW103

MVRD9_P13

MVRD12




Legend

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Culvert

Pavement Drainage




Creeks

Frog Habitat



National Park

Appendix D Hydraulic Model Schematization and Hydraulic Roughness Figure D1. Hydraulic Model Mannings Roughness Figure

D1. Hydraulic Model Schematization

MO

NA

VA

LE

RO

AD

MC

CA

RR

S C

RE

EK

RO

AD

KIM

BR

IKI R

OA

D

CH

ILT

ER

N R

OA

D

AD

DIS

ON

RO

AD M

AN

OR

RO

AD

KIN

G R

OA

D

WARATAH ROAD

WIRREANDA ROAD

BU

NG

EN

DO

RE

RO

AD

POWDER WORKS ROAD

MCCOWEN ROAD

EM

MA

US

RO

AD

COREEN AVENUE

TIMARU ROAD

KA

NA

NG

RA

AVE

NU

E

BELTANA AVENUE

HARVEY ROAD

NAROO

ROAD

YULONG

AVENUE

MIR

BE

LIA

PA

RA

DE

FIGURE D1: Hydraulic Roughness Map


Source: Aurecon, LPI

Legend

0 250 500m°

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Forest (n=0.1)

Road (n=0.02

Rural (n=0.07)

FIGURE D2: Hydraulic Model Schematization



Legend

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Outflow boundaries

Hydraulic model extent

Road design

Property boundaries

appendix b rainfall ifd data · rainfall ifd data . rainfall data adopted from narrabeen lagoon...

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