appendix e afflux figures · 2019. 9. 28. · 1 p5 p4 p6 p2-1-1-1-1-1 p9 p8-1-1 p3-1-1-1-1-1-1...

Appendix E Afflux Figures

P1

P5

P4

P6

P2

P8-1

P4-1

P6-1-1P9

-1

P9

P8

P3-1

P6-1

P3

P4-1-1

P3-1-1

P9-1-1

FIGURE E1: Increase in Maximum Water Surface Elevation-2 Year ARI

Mona Vale Road West Hydraulic Impact Assessment

Source: Aurecon, LPI, ESRI World Map

Legend

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Projection: GDA 1994 MGA Zone 56

Output reporting locations

Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P7

P13

P10

P16

P5

P6

P8-1P9

-1

P9

P8

P3-1

P3-1-1

P9-1-1




Legend

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P1

P5

P4

P6

P2

P8-1

P4-1

P6-1-1P9

-1

P9

P8

P3-1

P6-1

P3

P4-1-1

P3-1-1

P9-1-1



Source: Aurecon, LPI, ESRI World Maps

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P7

P13

P10

P16

P5

P6

P8-1P9

-1

P9

P8

P3-1

P3-1-1

P9-1-1




Legend

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P1

P5

P4

P6

P2

P8-1

P4-1

P6-1-1P9

-1

P9

P8

P3-1

P6-1

P3

P4-1-1

P3-1-1

P9-1-1




Legend

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P7

P13

P10

P16

P5

P6

P8-1P9

-1

P9

P8

P3-1

P3-1-1

P9-1-1




Legend

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P1

P5

P4

P6

P2

P8-1

P4-1

P6-1-1P9

-1

P9

P8

P3-1

P6-1

P3

P4-1-1

P3-1-1

P9-1-1




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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P7

P13

P10

P16

P5

P6

P8-1P9

-1

P9

P8

P3-1

P3-1-1

P9-1-1




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No

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P1

P5

P4

P6

P2

P8-1

P4-1

P6-1-1P9

-1

P9

P8

P3-1

P6-1

P3

P4-1-1

P3-1-1

P9-1-1




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9.m

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No

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

P7

P13

P10

P16

P5

P6

P8-1P9

-1

P9

P8

P3-1

P3-1-1

P9-1-1




Legend

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Afflux (mm)<-0.01

-0.01 - 0.01

0.01 - 0.05

0.05 - 0.15

0.15 - 0.5

>0.5

Was wet now dry

Was dry now wet

Appendix F Peak Flood Levels at Reporting Points

Location Peak Flood Level (m AHD)

2 Year ARI 10 Year ARI 20 Year ARI 50 Year ARI 100 Year ARI

Pre-Upgrade

Post Upgrade

Change Pre-Upgrade

Post Upgrade

Change Pre-Upgrade

Post Upgrade

Change Pre-Upgrade

Post Upgrade

Change Pre-Upgrade

Post Upgrade

Change

P1 193.12 193.63 0.51 193.66 193.66 0.01 193.67 193.67 0.00 193.70 193.69 -0.02 193.71 193.70 -0.01

P2 195.51 195.52 0.01 195.52 195.53 0.01 195.52 195.53 0.01 195.54 195.53 -0.01 195.55 195.53 -0.01

P3 174.52 174.54 0.03 174.52 174.56 0.04 174.53 174.57 0.04 174.52 174.57 0.05 174.52 174.58 0.06

P3-1 94.67 94.66 -0.01 94.85 94.82 -0.03 94.91 94.88 -0.04 94.97 94.94 -0.04 95.03 94.99 -0.04

P3-1-1 93.19 93.20 0.01 93.39 93.49 0.10 93.53 93.59 0.06 93.64 93.68 0.04 93.74 93.78 0.03

P4 142.84 142.84 0.00 142.92 142.93 0.01 143.06 143.07 0.00 143.08 143.17 0.08 143.17 143.19 0.02

P4-1 59.43 59.44 0.01 59.59 59.60 0.01 59.66 59.67 0.01 59.74 59.76 0.01 59.81 59.82 0.01

P4-1-1 54.22 54.23 0.01 54.34 54.35 0.00 54.39 54.40 0.01 54.43 54.45 0.02 54.47 54.50 0.03

P5 147.51 Dry - 147.51 Dry - 147.51 Dry - 147.57 Dry - 147.57 Dry -

P6 77.45 77.44 0.00 77.61 77.60 -0.01 77.67 77.66 -0.01 77.74 77.73 -0.01 77.81 77.80 -0.01

P6-1 52.07 52.07 -0.01 52.32 52.31 -0.01 52.43 52.42 -0.01 52.53 52.52 -0.01 52.63 52.61 -0.01

P6-1-1 39.02 39.02 0.00 39.08 39.08 0.00 39.11 39.11 0.00 39.23 39.14 -0.09 39.25 39.16 -0.09

P7 182.71 182.70 -0.01 182.75 182.74 -0.02 182.78 182.76 -0.02 182.80 182.77 -0.03 182.82 182.79 -0.03

P8 118.14 118.13 -0.01 118.21 118.20 -0.01 118.24 118.23 -0.01 118.29 118.25 -0.05 118.31 118.26 -0.05

P8-1 115.17 115.19 0.03 115.23 115.25 0.02 115.25 115.27 0.02 115.23 115.29 0.06 115.25 115.31 0.06

P9 102.31 102.35 0.05 102.46 102.50 0.05 102.57 102.62 0.05 102.68 102.69 0.01 102.75 102.77 0.01

P9-1 99.73 99.79 0.06 99.97 100.02 0.05 100.04 100.08 0.03 100.11 100.15 0.04 100.17 100.20 0.03

P9-1-1 94.20 94.34 0.14 94.53 94.64 0.11 94.65 94.73 0.08 94.76 94.83 0.07 94.85 94.89 0.04

P10 139.08 139.08 -0.01 139.11 139.10 -0.01 139.12 139.12 0.00 139.13 139.13 0.00 139.14 139.14 0.00

P13 164.09 164.08 0.00 164.09 164.09 0.00 164.09 164.09 0.00 164.12 164.09 -0.02 164.12 164.09 -0.03

Appendix G MUSIC Model Results

Reference Title

Table G.1 Pre-Development Sub-Catchment Details

Table G.2 Post-Development Sub-Catchment Details

Table G.3 Post –development sub-catchments with bifurcation pits

Figure G.1 MUSIC – Model Layout

Figure G.2 Mona Vale Catchment Zones

Table G.1 – Pre-development Sub-catchment Details

Outlet Catchment Catchment Location Zone Total

Area (Ha) Impervious

Area (%)

P10

X1.1 Road Catchment SP2 - Road 1.240 100

X1.2 Downstream Catchment E3 - Rural Residential 2.342 5

X1.3 Downstream Catchment RE1 - Native 11.393 0

P11


X9.2 Downstream Catchment SP2 - Special Purpose 16.241 5


P4-1-1




X2.4 Downstream Catchment E1 - Native 26.628 0

P6-1-1


X3.2 Downstream Catchment SP2 - Special 2.272 20


P12 X4.1 Downstream Catchment E1 - Native 8.526 0

P13

X5.1 Upstream Catchment RU2 - Rural 1.478 5



X5.4 Downstream Catchment RU2 - Rural 1.183 5

X5.5 Downstream Catchment RE2 - Recreational / Rural 14.815 5

P7-1




X6.4 Downstream Catchment SP2 - Road 1.6 100

P3-1-2













P14



X8.3 Downstream Catchment RU4 - Rural Residential 10.836 5

Table G.2 - Post-development Sub-catchment Details

Outlet Catchment Catchment Location Zone Total

Area (Ha) Impervious

Area (%)

P10




P11




P4-1-1





P6-1-1

X3.1* Road Catchment SP2 - Road 8.336* 100

X3.2 Downstream Catchment SP2 - Special 0.825 20


P12 X4.1 Downstream Catchment E1 - Native 8.526 0

P13

X5.1 Upstream Catchment RU2 - Rural 1.161 5




X5.5 Downstream Catchment RE2 - Recreational / Rural 14.840 5

P7-1





P3-1-2













P14



X8.3 Downstream Catchment RU4 - Rural Residential 10.837 5

Table G.3 - Post-development Sub-catchment Details

PRE Post

Change (m3/s)

Change (%)

Mitigation Measure Corresponding

MUSIC Catchment Receiving Waterway

MUSIC model - Post dev model update notes

Peak Q2

Total Flow (m3/s)

Peak Q2

Local Flow (m3/s)

Peak Q2

Total Flow (m3/s)

Peak Q2

Local Flow (m3/s)

FH365.1 0.722 0.722 0.725 0.725 0.003 0.42% P14 McCarrs No change to model as diverted flows still remain part of P14

FH365.2 5.804 5.223 5.724 5.141 -0.08 -1.38%

FH830.1 0.038 0.038 0.038 0.038 0 0.00% P3-1-2 McCarrs No change to model as diverted flows still remain part of P 3-1-2. ROCLA added to PX7.1 FH830.2 1.874 1.636 1.868 1.631 -0.006 -0.32%

P3 0.325 0.325 0.327 0.327 0.002

FH1100.1 0.699 0.699 0.754 0.581 0.055 7.87% P4 Narrabeen No change to model as changes to flow remain under 15%

ROCLA added to PX2.1 FH1100.2 2.13 1.443 2.193 1.443 0.063 2.96%

P4 0 0 0.183 0.183 0.183

FH2150.1 0.908 0.908 0.7 0.7 -0.208 -22.91% Bifurcation pit to match the existing Q2 flow by diverting flowing to north.

P6-1-1 Note- pavement flow re-directed north - to McCarrs

Pavement flows diverted to McCarrs Reminder to Narrabeen

New node added to P3-1-2 to represented the flows diverted north from P6-1-1 FH2150.2 3.451 1.694 2.85 1.681 -0.601 -17.42%

FH2150B.1 0.98 0.98 0.54 0.54 -0.44 -44.90%

FH2050.1 0.098 0.098 0.066 0.066 -0.032 -32.65% A pavement drainage outlet to be provided at 7m high embankment

P3-1-2 McCarrs No change to model as diverted flows still remain part of P 3-1-2. ROCLA added to node PX7.9 FH2050.2 0.245 0.164 0.186 0.137 -0.059 -24.08%

FH2520.1 0.071 0.071 0.026 0.026 -0.045 -63.38% A pavement drainage outlet to be provided at 7m high retaining wall.

P3-1-2 McCarrs No change to model as diverted flows still remain part of P 3-1-2. ROCLA added to node PX7.12 FH2520.2 0.193 0.122 0.135 0.11 -0.058 -30.05%

FH2550.1 0.217 0.217 0.217 0.217 0 0.00% P6-1-1 Minor change: considered negligible

Narrabeen ROCLA added to node PX3.1

FH2550.2 2.684 2.503 2.669 2.489 -0.015 -0.56%

FH2800.1 0.742 0.742 0.699 0.699 -0.043 -5.80% P12 & P13 Narrabeen ROCLA added to node PX5.2

FH2800.2 2.521 1.813 2.465 1.798 -0.056 -2.22%

Figure G.1 – MUSIC model layout – Post Development Scenario

Additional node added in MUSIC to simulate the diverted flows from bifurcation pits

ROCAL node added to simulate oil & grit separators upstream of frog habitats

Figure G.2 – Mona Vale Catchment Zone

Appendix H RUSLE Rule Calculations

SWMP Commentary, Detailed Calculations

1 2 3 4 5

0.696 1.07 0.63 0.34 0.57

0.696 1.07 0.63 0.34 0.57

% sand (faction 0.02 to 2.00 mm 60 60 60 60 60 60

% silt (fraction 0.002 to 0.02 mm) 15 15 15 15 15 15

% clay (fraction finer than 0.002 mm) 15 15 15 15 15 15

Dispersion percentage

% of whole soil dispersible

C C C C C C

Design rainfall depth (days) 5 5 5 5 5 50 See Sections 6.3.4 (d) and (e)

Design rainfall depth (percentile) 80 80 80 80 80 80 See Sections 6.3.4 (f) and (g)

x-day, y-percentile rainfall event 35.2 35.2 35.2 35.2 35.2 35.2 See Section 6.3.4 (h)

Rainfall intensity: 2-year, 6-hour storm 13.9 13.9 13.9 13.9 13.9 See IFD chart for the site

Rainfall erosivity (R -factor) 4220 4220 4220 4220 4220 Automatic calculation from above data

0.022 0.022 0.022 0.022 0.022 0.022

60 15 80 80 30 80

10 14 1 5 15

2.31 1.36 0.19 1.19 2.67

1.3 1.3 1.3 1.3 1.3 1.3

1 1 1 1 1 1

279 164 23 144 322

Soil Loss Class 3 2 1 1 3 See Section 4.4.2(b)

Soil loss (m3/ha/yr) 214 126 18 110 248

Sediment basin storage volume, m3 25 23 2 6 24 See Sections 6.3.4(i) and 6.3.5 (e)

Soil loss (t/ha/yr)

Length/gradient (LS -factor)

Erosion control practice (P -factor)

Ground cover (C -factor)

RUSLE data can be obtained from

Appendixes A, B and C

Calculations

Slope length (m)

Slope gradient (%)

Soil erodibility (K -factor)

RUSLE Factors

Rainfall data

E.g. enter 10 for dispersion of 10%

See Section 6.3.3(e)

See Section 6.3.3(c), (d) and (e)Soil Texture Group

Disturbed catchment area (ha)

Soil analysis

Soil texture should be assessed through

mechanical dispersion only. Dispersing

agents (e.g. Calgon) should not be used

RemarksSite

Site area

Total catchment area (ha)

1. H860, 2. H640, 3. H125A, 4. H125B, 5. H150

MVR - WESTDescription of Site:

Site Location:

Precinct:

Note: These "Detailed Calculation" spreadsheets relate only to high erosion hazard lands as identified in figure 4.6 or where the designer chooses to use the RUSLE to size sediment basins. The "Standard Calculation" spreadsheets should be used on low erosion hazard lands as identified by figure 4.6 and where the designer chooses not to run the RUSLE in calculations.

1. Site Data Sheet

MVRSite Name:

MVR SOIL LOSS_WEST_HARVEY.xlsx 1


1 1a 2 3 4 5

0.54 0.4 0.4 0.56 2.96 0.77

0.54 0.4 0.4 0.56 2.96 0.77






C C C C C C




Rainfall intensity: 2-year, 6-hour storm 13.9 13.9 13.9 13.9 13.9 13.9 See IFD chart for the site

Rainfall erosivity (R -factor) 4220 4220 4220 4220 4220 4220 Automatic calculation from above data

0.022 0.022 0.022 0.022 0.022 0.022

80 80 80 80 20 80

0.5 2.5 10 3.8 5 3

0.19 0.65 2.81 0.91 0.54 0.65

1.3 1.3 1.3 1.3 1.3 1.3

1 1 1 1 1 1

23 78 339 110 65 78

Soil Loss Class 1 1 3 1 1 1 See Section 4.4.2(b)

Soil loss (m3/ha/yr) 18 60 261 84 50 60

Sediment basin storage volume, m3 2 4 18 8 25 8 See Sections 6.3.4(i) and 6.3.5 (e)

Soil loss (t/ha/yr)






Calculations

Slope length (m)

Slope gradient (%)


RUSLE Factors

Rainfall data





Soil analysis




RemarksSite

Site area


1. M100, 2. M700, 3. M880, 4. M1080, 5. M1710A

MVR - WESTDescription of Site:

Site Location:

Precinct:


1. Site Data Sheet

MVRSite Name:

MVR SOIL LOSS_WEST_MONA_1.xlsx 1


6 7 8 9 10 11

0.77 1.32 0.83 0.74 0.27 0.58

0.77 1.32 0.83 0.74 0.27 0.58






C C C C C C




Rainfall intensity: 2-year, 6-hour storm 13.9 13.9 13.9 13.9 13.9 13.9 See IFD chart for the site

Rainfall erosivity (R -factor) 4220 4220 4220 4220 4220 4220 Automatic calculation from above data

0.022 0.022 0.022 0.022 0.022 0.022

80 80 40 40 80 30

3 4 10 10 2 15

0.65 0.91 1.75 1.75 0.41 2.67

1.3 1.3 1.3 1.3 1.3 1.3

1 1 1 1 1 1

78 110 211 211 49 322

Soil Loss Class 1 1 2 2 1 3 See Section 4.4.2(b)

Soil loss (m3/ha/yr) 60 84 162 162 38 248

Sediment basin storage volume, m3 8 19 23 20 2 24 See Sections 6.3.4(i) and 6.3.5 (e)


1. Site Data Sheet

MVRSite Name:

6. M1710B, 7. M2170A, 8. M2170B, 9. M2460, 10. M3260 11. M2330

MVR - WestDescription of Site:

Site Location:

Precinct:

RUSLE Factors

Rainfall data





Soil analysis




RemarksSite

Site area


Soil loss (t/ha/yr)






Calculations

Slope length (m)

Slope gradient (%)


MVR SOIL LOSS_WEST_MONA_2.xlsx 1

H8600.6961 ha

H6401.07 ha

H125A0.63 ha

H125B0.34 ha

H1500.57 ha

M8800.40 ha

M10800.56 ha

M1720A2.96 ha

M1720B0.77 ha

M2170A1.32 ha M2170B

0.83 ha

M23300.58 ha

M24600.74 ha

M32600.27 ha

M1000.54 ha

M7000.40 ha

!(

!(

!(

!(

!(!(

!(!(

!(

!(

!(

SM

ITHS

CR

EE

K

CIC

AD

AG

LEN

CR

EE

K

WIR

RE

AN

DA

CR

EEK

WIRREANDA

CREEK

MCCARRS

CREEK

P1

P2

P3

P4

P8-1

P3-1

P12

P13

P7

P10

P16

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

R

OA

D

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

Ku-ring-gai ChaseNational Park

Appendix H: Disturbed catchment areas


Source: Aurecon, LPI, ESRI World Maps

Legend

0 250 500m°

P:\

CIV

\25

017

1\3

Pro

ject

De

live

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ode

llin

g\R

ep

ort

\Ma

ps\

MV

RW

_E

colo

gic

al s

en

sitiv

ity_

Ap

pe

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ixH

.mxd

\JO

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24

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16

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l\Re

v 0

1:12,000


Disturbed catchment areas

!(Post Upgrade Pavement DrainageDischarge Outlets

Creeks

National Park

Construction boundary

Appendix I Frog Assessment -Hydrographs

0

0.02

0.04

0.06

0.08

0.1

0.12

1 4 710 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79

FH2050.1

POST PRE

0

0.05

0.1

0.15

0.2

0.25

0.3

1 4 710 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79

FH2050.2

POST PRE

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1 4 710 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79

FH2150.1

POST PRE

0

0.5

1

1.5

2

2.5

3

3.5

1 4 710 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79

FH2150.2

POST PRE

0

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79

FH2520.1

Post PRE

0

0.02

0.04

0.06

0.08

0.1

0.12

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79

FH2520.2

POST PRE

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1 4 710 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79

2150B.1

POST PRE

Aurecon Australasia Pty Ltd

ABN 54 005 139 873

Level 5, 116 Military Road Neutral Bay NSW 2089

PO Box 538 Neutral Bay NSW 2089 Australia

T +61 2 9465 5599 F +61 2 9465 5598 E [email protected] W aurecongroup.com

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appendix e afflux figures · 2019. 9. 28. · 1 p5 p4 p6 p2-1-1-1-1-1 p9 p8-1-1 p3-1-1-1-1-1-1...

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