gas import jetty and pipeline project ......september 2019 w e s t e r n p o r t (3.27) (2.11) water...

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1 GAS IMPORT JETTY AND PIPELINE PROJECT ENVIRONMENT EFFECTS STATEMENT INQUIRY AND ADVISORY COMMITTEE TECHNICAL NOTE TECHNICAL NOTE NUMBER: TN 039 DATE: 21 October 2020 LOCATION: Crib Point Jetty Works and Pipeline Works EES/MAP BOOK REFERENCE: N/A SUBJECT: Response to Item 1 in Table 4-1 of the Expert Evidence (Groundwater) prepared by Christopher Smitt for Mornington Peninsula Shire Council and Cardinia Shire Council. SUMMARY This document provides written explanation and figures to address the concern raised by Christopher Smitt with respect to the adequacy of the groundwater level baseline data set. REQUEST: N/A NOTE: Item 1 in Table 4-1 of the Expert Evidence (Groundwater) prepared by Christopher Smitt – Concern: No Groundwater baseline has been established (Table 4-1 and Section 4.1.3.11 of Smitt (2020)) Response: 1. As per Section 1.2.6 (Construction) of EES Technical Report D: Groundwater impact assessment (the ‘impact assessment’), pipeline installation is expected to occur primarily during summer. As such, the groundwater levels measured on 30 January 2019 (and included in Section 5.3 and Table B2 Appendix B of the impact assessment) are representative of groundwater levels that might reasonably be expected to be encountered during construction works. 2. Any variability in the actual groundwater levels at the time of construction, as compared to that measured in January 2019, has been accounted for in the assumed groundwater levels encountered in the trench and bellholes. 3. Specifically, the estimated radius of influence (groundwater level drawdown from dewatering) provided in the impact assessment is based on dewatering 2.0m in the trench and 3.5m in the bellhole. 4. As recognised in Section 4.1.3.1.1 of Smitt (2020), the dewatering scenario included a number of conservative estimates including ‘depth to groundwater could be as high as 0.5 mbgl…..; adoption of the upper end of permeability for soils….; and the adoption of a low water specific yield of one percent.’ In fact, in the case of trench dewatering the groundwater was considered to be at surface (that is, 2 metres of drawdown required at the trench). 5. Another key conservative assumption used in the groundwater impact assessment relates to the duration of dewatering. Standard industry practice is to minimise dewatering to reduce the volume of water to be discharged and managed, and to avoid structural issues within the excavations.

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Page 1: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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GAS IMPORT JETTY AND PIPELINE PROJECT ENVIRONMENT EFFECTS STATEMENT

INQUIRY AND ADVISORY COMMITTEE

TECHNICAL NOTE

TECHNICAL NOTE NUMBER: TN 039

DATE: 21 October 2020

LOCATION: Crib Point Jetty Works and Pipeline Works

EES/MAP BOOK REFERENCE: N/A

SUBJECT: Response to Item 1 in Table 4-1 of the Expert Evidence

(Groundwater) prepared by Christopher Smitt for Mornington

Peninsula Shire Council and Cardinia Shire Council.

SUMMARY This document provides written explanation and figures to

address the concern raised by Christopher Smitt with respect

to the adequacy of the groundwater level baseline data set.

REQUEST: N/A

NOTE:

Item 1 in Table 4-1 of the Expert Evidence (Groundwater) prepared by Christopher Smitt

– Concern: No Groundwater baseline has been established (Table 4-1 and Section

4.1.3.11 of Smitt (2020))

Response:

1. As per Section 1.2.6 (Construction) of EES Technical Report D: Groundwater impact

assessment (the ‘impact assessment’), pipeline installation is expected to occur primarily

during summer. As such, the groundwater levels measured on 30 January 2019 (and included

in Section 5.3 and Table B2 Appendix B of the impact assessment) are representative of

groundwater levels that might reasonably be expected to be encountered during construction

works.

2. Any variability in the actual groundwater levels at the time of construction, as compared to

that measured in January 2019, has been accounted for in the assumed groundwater levels

encountered in the trench and bellholes.

3. Specifically, the estimated radius of influence (groundwater level drawdown from dewatering)

provided in the impact assessment is based on dewatering 2.0m in the trench and 3.5m in

the bellhole.

4. As recognised in Section 4.1.3.1.1 of Smitt (2020), the dewatering scenario included a number

of conservative estimates including ‘depth to groundwater could be as high as 0.5 mbgl…..;

adoption of the upper end of permeability for soils….; and the adoption of a low water specific

yield of one percent.’ In fact, in the case of trench dewatering the groundwater was considered

to be at surface (that is, 2 metres of drawdown required at the trench).

5. Another key conservative assumption used in the groundwater impact assessment relates to

the duration of dewatering. Standard industry practice is to minimise dewatering to reduce

the volume of water to be discharged and managed, and to avoid structural issues within the

excavations.

Page 2: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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6. For trenches, 48 hours of continuous pumping (dewatering) was assumed for the purposes of

the assessment. In reality, the dewatering would likely occur for only hours at a time,

immediately prior to the installation of the pipe, and would not be expected to extend

overnight.

7. At thrust bore bellholes, the impact assessment considered the conservative scenario of 10

days of continuous dewatering but would more typically be expected to be up to five days.

8. The drawdown estimates indicating a limited extent, magnitude and duration of dewatering

effects are therefore considered a conservative, hypothetical worst case scenario given the

multiple conservative assumptions used. Predicted impacts would be even less under a most

likely case scenario that adopted a less conservative set of assumptions.

9. As such, given i) the stated intention to install the pipeline during summer, ii) the shallow

nature of the pipeline construction, iii) temporary nature and short-term duration of

dewatering activities (in the order of hours to days) and iv) the conservative assumptions

used in the impact assessment - the use of one groundwater level data set from summer

2018/2019 is considered adequate to describe existing conditions and commensurate with the

level of risk and potential impacts on groundwater users.

10. In terms of addressing the issue of additional baseline data raised by Smitt (2020), a

groundwater level monitoring event was undertaken in September 2019. This was conducted

outside of the EES scope to inform construction design and was not considered warranted as

part of the impact assessment for the reasons described above. The results are however

considered below in the context of the issue raised. Figures showing depths to groundwater

measured in January 2019 and September 2019 are provided in Attachment A and Attachment

B, and a summary table provided in Attachment C of this Technical Note.

11. Groundwater levels were below ground surface at all locations monitored in September 2019

and therefore within the groundwater level assumption for the trench dewatering scenario

adopted in the impact assessment (which assumed that groundwater levels were at the

surface for trench dewatering assessment purposes).

12. With the exception of monitoring well locations MW06, MW21 and MW22, the groundwater

levels in September 2019 were consistent with assumptions made in the impact assessment

for the thrust bore bellhole dewatering scenario.

13. At MW06 (0.2 mbgs), MW21 (0.3 mbgs) and MW22 (0.12 mbgs) the groundwater levels were

measured to be higher than the impact assessment assumption of 0.5 metres below ground

surface (mbgs). However, at MW06, MW21 and MW22 the geology is described as being

medium to high plasticity clay (as per borelogs included at Appendix D of the impact

assessment), and hydraulic conductivities of 2 x 10-3 m/day (MW21) and 7.1 x 10-3 (MW22)

were estimated from aquifer testing (refer to Section 5.4 of the impact assessment). These

are up to two orders of magnitude lower than the conservative assumption of 0.32 m/day

used in drawdown estimates for the impact assessment, and would result in a smaller

drawdown extent away from the excavation than that predicted in the impact assessment.

14. The groundwater levels measured in September 2019 are consistent with the high watertable

scenario considered as part of the impact assessment when considered together with the other

conservative assumptions adopted, and do not change the findings of the impact assessment.

15. We trust that this document adequately addresses the query raised with respect to a

groundwater level baseline data set.

CORRESPONDENCE: N/A

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ATTACHMENTS: 3 Attachments:

1. Jan and Sep 2019 Groundwater Level Overview Map

2. Mapsheet Series

3. GWL Table

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Attachment 1

Jan and Sep 2019 Groundwater Level Overview Map

Page 5: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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LEGEND!A Groundwater wells!( Kilometre points

PipelineAlignment OptionsKooWeeRup Water Supply Protection Area

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Groundwater Impact AssessmentGas Import Jetty and Pipeline ProjectEnvironment Effects Statement

Map Document: (\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\Groundwater Impact Assessment\2019\11\FA1_GW_Geology.mxd)

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Attachment 2

Mapsheet Series

Page 7: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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Page 8: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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PARK

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WARR INGINE CREEK

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4.9 km 4.8 km

4.7 km

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3.8 km

3.7 km

3.6 km

3.5 km

3.4 km

3.3 km

4.4 km

3.2 km

3 km

2.9 km

4.1 km

2.8 km

4.5 km

4.6 km

4 km

5.2 km

5.3 km

5.1 km

5 km

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MW02(1.52)

MW03(3.54)

MW04(DRY)

MORNINGTONPENINSULA

1

2 Warringine Creek

CPT 012

CPT 012

CPT 013

CPT 011

CPT 012-W

CPT 011-W

CPT 014

CPT 014-W

CPT 015

CPT 012-W-1

CPT 013-W

CPT 016

CPT 015-A

CPT 016-W

Gas Import Jetty and

Pipeline Project

Mapsheet 3 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

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High potential GDE (national assessment)Terrestrial GDEs

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Moderate potential GDE (national assessment)

Low potential GDE (national assessment)

Page 10: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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HASTINGS OVAL

PARK

RECREATIONRESERVE

HASTINGS

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km

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7 km

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5.4 km

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6.1 km

6 km5.9 km

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GW02(3.78)

GW03(3.29)

MW04(DRY)

MORNINGTONPENINSULA

3 Kings Creek

CPT 012

CPT 021-D

CPT021

CPT 019

CPT014

CPT 014

CPT 018

CPT018

CPT 014-W

CPT 015CPT 016

CPT020

CPT 015-A

CPT021-C

CPT 016-W

CPT 021-B

CPT 021-A

CPT021-W

Gas Import Jetty and

Pipeline Project

Mapsheet 4 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

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CO

M d

oe

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Aquatic GDEsHigh potential GDE (regional studies)

Moderate potential GDE (regional studies)

High potential GDE (national assessment)Terrestrial GDEs

High potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 11: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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HASTINGS OVALPARK

RECREATIONRESERVE

WESTPARK

OLD TYABB

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KINGS CREEK

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8.8 km

8.6 km

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7.4 km

6.9 km6.8 km

6.7

km

7 km

8.4 km

8.7

km

8.3 km

7.3 km

8.5 km

8.1 km

8.2 km

7.5 km

6.6 km

7.2 km

8 km

7.7 km

7.9 km

7.1 km

7.6 km

GW03(3.29)

MW05(1.41)

MW06(3.31)

MORNINGTONPENINSULA

4

5

3 Kings Creek

CPT021-D

CPT 027 CPT 028

CPT 026CPT 025

CPT021-C

CPT 024-A

CPT021-B

CPT 021-A

CPT021-W

Gas Import Jetty and

Pipeline Project

Mapsheet 5 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

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wa

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in t

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!( Waterway crossing locations

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Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (regional studies)

High potential GDE (national assessment)Terrestrial GDEs

High potential GDE (national assessment)

Moderate potential GDE (national assessment)

Low potential GDE (national assessment)

Page 12: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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RECREATIONRESERVE

OL IVERS CREEK

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PENINSULA

IndustrialSteel Wharf

CPT PipeLaydown 01

Gas Import Jetty and

Pipeline Project

Mapsheet 6 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

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CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

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181916 17

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High potential GDE (national assessment)Terrestrial GDEs

High potential GDE (national assessment)

Moderate potential GDE (national assessment)

Low potential GDE (national assessment)

Page 13: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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MW06(3.31)

MORNINGTONPENINSULA

5

6 Olivers CreekCPT 032

CPT 035

CPT 027

CPT 029

CPT 031CPT 033

CPT 028

CPT 034

CPT 030

CPT 026CPT 025

CPT 024-A

Gas Import Jetty and

Pipeline Project

Mapsheet 7 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

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CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

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Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Low potential GDE (national assessment)

Page 14: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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DANDENONG-HASTINGS ROAD

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12.9 km

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13.1 km

11.9 km11.5 km11.4

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11.7 km

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GW04(2.45)

GW05(1.74)

MW07(2.60)

MORNINGTONPENINSULA

8

7

CPT 036CPT 036-A CPT 036-C CPT 036-E

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CPT 035

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CPT 036-D

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CPT 036-I

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CPT 034

CPT030

CPT 040

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MLV 1

Gas Import Jetty and

Pipeline Project

Mapsheet 8 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

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CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

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Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsKnown GDE (regional studies)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 15: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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MORNINGTONPENINSULA

8

9

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CPT 049

CPT 045

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Gas Import Jetty and

Pipeline Project

Mapsheet 9 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

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CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

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! Kilometre point

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Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsKnown GDE (regional studies)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 16: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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WATSON CREEK

PEARCEDALESOUTH

CREEK

WATSON CREEK

Bembridge Rd

Wh

itn

ey

s R

d

Bungower RdBungower Rd

Tyab

b - To

oradin

Rd

19.6 km

19.5 km

19.3 km

19.7 km

19.2 km

19.1 km

19 km

18.6 km

18.5 km

18.4 km

18.3 km18.1 km

18 km17.9 km

17.7 km

17.6 km

17.4 km

17.3 km

17.2 km

16.9 km

18.2 km

19.4 km

17.5 km

17.1 km

18.7 km

18.8 km

16.8 km

18.9 km

17.8 km

17 km

16.7 km

121049

MW08(3.53)

MW09(1.62)

MW10(1.99)

Option

BB-10

MORNINGTONPENINSULA

10 Watson Creek

11 Pearcedale South Creek

CPT 051-A

CPT 049-A

CPT 056

CPT 049

CPT049-B

CPT 051-C

CPT 053

CPT 055

CPT 051-B

CPT 052

CPT 048

CPT 054

CPT 050

CPT 047

Gas Import Jetty and

Pipeline Project

Mapsheet 10 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

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!( Waterway crossing locations

Open - Cut

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsKnown GDE (regional studies)

Unclassified potential GDE (regional studies)

High potential GDE (national assessment)Terrestrial GDEs

High potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 17: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

VV

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PEARCEDALE SOUTH CREEK

LANGWARRIN CREEK

Vo

we

ll D

r

Ca

llan

an

s L

an

e

Shekleton St

Ea

st

Rd

South Boundary Rd East

Tyabb

- Toora

din Rd

22.7

km

22.6 km

22.2 km21.9 km

21.8 km

21.7 km

21.3 km

21.2 km

20.6 km

20.4 km

20.2 km20 km

19.8 km

19.6 km

22.4 km

19.5 km

19.7 km

21.4 km

20.3 km

20.9 km

21.5 km

22.3 km

21.6 km

20.8 km

20.1 km

22.1 km

19.9 km

22.8 km

21.1

km

22 km

21 km

20.7 km

20.5 km

22.5 km

MW11(3.05)

MORNINGTONPENINSULA

CASEY12 Langwarrin Creek

13 14

CPT 056

CPT 062-W

CPT 057

CPT 057-ACPT 057-A

CPT 059

CPT 055

CPT062

CPT 060

CPT 060

CPT 061

CPT 061-W Gas Import Jetty and

Pipeline Project

Mapsheet 11 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

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s n

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

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Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsKnown GDE (regional studies)

High potential GDE (national assessment)Terrestrial GDEs

High potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 18: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

VV

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Craigs Lane Drain

Vo

we

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r

Cra

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d

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ne

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Baxter - Tooradin Rd

24.6

km

24.4 km

23.7 km

23.2 km

23 km

23.3 km

22.9 km

22.7 km

22.6 km

22.2 km

21.9 km

21.8 km

21.7 km

24.2 km

24.5 km

22.4 km

23.4 km

23.8 km

23.9 km24.3 km

24 km

22.3 km

23.1 km

21.6 km

23.5 km

23.6 km

22.1 km

22.8 km

22 km

22.5 km

MW12(3.23)

CASEY

17

18

1516 CPT 063

CPT 064

CPT 062-W

CPT 065

CPT 062

CPT 060

CPT 060

CPT 061

CPT 061-W

Gas Import Jetty and

Pipeline Project

Mapsheet 12 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

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Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsKnown GDE (regional studies)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 19: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

V V V VVV

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he

rie

s R

d

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Pivato Ct

Ibis

Way

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27.5 km

27.2 km

27.1 km

26.5 km

26.4 km26.1 km

26 km

25.7 km25.6 km

25.4 km

24.9 km24.6 km

24.4 km

26.9 km

27.4 km

27.3 km

24.5

km

26.2 km

26.3 km

24.3

km

26.6 km

26.8 km

25.2 km

25.9

km25.5

km

24.8

km

25 km

25.3 km

25.1 km

27 km

24.7 km

25.8

km

MW12(3.23)

MW13(2.22)

CASEY

1820

19

21

2322 Quail Inlet Drain

24

CPT064

CPT 065 CPT 066

CPT 068

CPT 067

CPT 069

Gas Import Jetty and

Pipeline Project

Mapsheet 13 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsKnown GDE (regional studies)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 20: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

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en

ey

s R

d

Fis

he

rie

s R

d

Ad

en

ey

s R

d

Baxter - Tooradin Rd

29.9 km

29.6 km

29.5 km

29.3 km

29.8 km

29.2 km28.9 km

28.7 km

28.6 km28.1 km

27.9 km27.6 km

29.1

km

27.5 km

27.2 km27.1

km

27.4 km

27.3 km

28.4 km

29.7 km

30.1 km

28.8 km

28.2 km

29

km

30

km

29.4 km

27.8 km

28.3 km 28.5 km

27.7 km

28 km

MW14(2.23)

Option AN-9

CASEY

25 Christies Drain26

27

28 Rutherford Creek

CPT 070

CPT 074

CPT 072

CPT 074-A

CPT 073-B

CPT 073

CPT 075-W

CPT 071

CPT 076

CPT 073-A

CPT 069

Gas Import Jetty and

Pipeline Project

Mapsheet 14 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

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wa

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, de

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mis

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in t

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rma

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n.

! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 21: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

!

!

!

!

!

!

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WESTE

RNOUTF

ALL D

RAIN

RUTH

ERFO

RD C

REEK

MUDDY GATES DRAIN

MUDDY GATES DRAIN

WESTERN OUTFALL DRAIN

SOUTH GIPPSLAND HIGHWAY

North Rd

Lynes Rd

Lynes Rd

Mu

dd

y G

ate

s L

an

e

Baxter - Tooradin Rd

32 km

31.9 km

31.5

km31.4

km

31.3 km

31.2 km31.1 km

30.9 km

30.7 km

30.5 km

30.4 km30.3 km

29.9 km

29.6 km

29.5

km

29.8 km

30.8 km

29.7

km

30.1 km

31.8 km

30.6 km

31.6 km

30.2 km

32.1 km

32.2 km

31.7 km

30 km

31 km

91465

MW15(2.24)

Option

AN-9

Option AM-9

Option AE-8_0.1

CASEY

28 Rutherford Creek

29 Western Outfall Drain

CPT074

CPT 080

CPT 082

CPT074-A

CPT 077

CPT 073-B

CPT 084

CPT 075-W

CPT 076

CPT 083

CPT 081CPT 077-A

Gas Import Jetty and

Pipeline Project

Mapsheet 15 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

ot

wa

rra

nt

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, de

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r o

mis

sio

ns

in t

he

info

rma

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n.

! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!> Consumptive use bores within 30 m of pipeline

!( Waterway crossing locations

Open - Cut

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 22: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!!

!!

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MANKS ROAD DRAIN

MUDD

Y GAT

ES D

RAIN

WES

TERN

OUTF

ALL D

RAIN

MUDDY GATES DRAIN

Manks Rd

Langtree Rd

Mu

dd

y G

ate

s L

an

eM

calpine Rd

Mu

dd

y G

ate

s L

an

e

La

nd

ale

Rd

Ya

llam

be

e R

d

Wandook Rd

Dandenong-Leongatha34.3 km

34.2 km

33.8 km33.7 km

33.6 km33.4 km33.2 km

33 km

32.9 km32.8 km

32.7 km

32.5 km

32 km

31.9 km

31.5 km

31.4 km

34.4 km

32.3 km

32.4 km

34 km

33.1 km

33.5

km

31.8 km

33.9

km

32.6 km

32.1 km

32.2 km

31.7 km

34.5

km

MW16(4.00)

Optio

n Z-8

Option AE-8_0.1

CASEY31 Manks Rd Drain

32

30 Muddy Gates Drain

29 Western Outfall Drain

CPT087

CPT 080

CPT 090

CPT 082

CPT 084

CPT 083

CPT 081

CPT 088

CPT 077-A

Gas Import Jetty and

Pipeline Project

Mapsheet 16 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

ot

wa

rra

nt

the

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, de

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ts, o

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mis

sio

ns

in t

he

info

rma

tio

n.

! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 23: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

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TOORADIN RD DRAIN

RUTTERS RD DRAIN

TOOR

ADIN

RD

DRAIN

MANKS ROAD DRAIN

MANKS ROAD DRAIN

To

ora

din

Sta

tio

n R

d

Manks Rd

Dandenong-Leongatha

37.1 km

36.9 km

36.7 km

36.2 km

36.1 km36 km

36.6 km

35.9 km35.7 km

35.6 km35.5 km

35.3 km

35.1 km

34.3 km34.2 km

34.6 km

35.8 km

34.9 km

34.4 km

34.7 km

34 km

36.4 km

35.2 km

37 km

36.5 km

34.8 km

33.9 km

36.8 km

36.3 km

35.4 km

35 km

34.5 km

Option D-8

Option D-8

Option AU-9

Option Z-8 CARDINIA

CASEY

31 Manks Rd Drain32

33

36

34

37

35 Tooradin Road Drain

CPT 093

CPT 092

CPT 098

CPT 087

CPT 090

CPT 091

CPT 094

CPT 096

CPT097

CPT 097

CPT 095

CPT 088

Gas Import Jetty and

Pipeline Project

Mapsheet 17 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

ot

wa

rra

nt

the

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in t

he

info

rma

tio

n.

! Kilometre point

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 24: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

!

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Da

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re R

d

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azl

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Rd

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am

s R

d

Ric

es

Rd

Bloomfield Lane

39.8

km

39.5 km

39.3 km39.1 km

39 km

38.8 km

38.7 km

38.6 km

38.5 km

38.3 km

38.2 km

38.1 km38 km37.9 km

37.8 km

37.7 km

37.5 km

37.1 km

36.9 km

36.7 km

39.4 km

37.3 km

38.4 km

37.6

km

36.8 km

39.7 km

WRK070589

MW17(DRY)

Optio

n D-8

Option BE-10Op

tion D

-8

Option AT-9

CARDINIA

43 44

39 Ridgeways Drain

40

41

42 West Dalmore Rd Drain

38 Tooradin Inlet Drain

CPT 092

CPT 098

CPT094

CPT 096

CPT 097

CPT 097

CPT 106

CPT 104

CPT 102-WCPT 099

CPT 095

CPT 100-A

CPT 107

CPT 105

CPT 100

Gas Import Jetty and

Pipeline Project

Mapsheet 18 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

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wa

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he

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rma

tio

n.

! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!> Consumptive use bores within 30 m of pipeline

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 25: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!!

!

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BALLARTO ROADWEST DRAIN

LOWE

R GU

M SC

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REEK

LOWER GUM SCRUB CREEK

HAGELTHORNES D RAIN

CARDINIA CREEK

DEEP

CRE

EK

TOOM

UC C

REEK

We

nn

Rd

Ho

bs

on

Rd

Bloomfield Lane

Ballarto Rd

42.5 km

42.2 km

41.8 km

41.7 km

41.5 km

41.4 km

41.3 km

41.2 km

41.1 km

40.8 km

40.7 km

39.8

km

39.5 km

39.3 km

39.2 km

41.6 km

41 km

39.4 km

41.9 km

42.3 km

40.5 km

42.1 km

40.3 km

39.7 km

40.4 km

40.9 km

40.2 km

42.4 km

40.6 km

42 km

MW18(3.92)

Option AO-9

CARDINIA

43 44

48

45

47

49 Lower Gum Scrub Ck

50 Toomuc Creek

5251 Deep Creek

46 Cardinia Creek

CPT105-A

CPT 108

CPT 110

CPT 109

CPT 106

CPT 106

CPT 104

CPT102-W

CPT 107

CPT 105

CPT 105

MLV 2 -Land area MLV 2

Gas Import Jetty and

Pipeline Project

Mapsheet 19 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

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wa

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, de

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mis

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in t

he

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rma

tio

n.

! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, HDD

MLV 2

MLV 2 - Land area

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Page 26: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

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RYTHDALE

RYTH

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DRAI

N

BALLARTO ROAD WEST DRAIN

SOLDIERS RD WEST DR

SOLDIERS RD WEST DR

HAGELTHORNES DRAIN

TOOM

UC C

REEK

DEEP

CRE

EK

Soldiers Rd

Rythdale Rd

Fowler Rd

We

nn

Rd

Mc

gre

go

r R

d

Ho

bso

n R

d

Ballarto Rd

44.1 km

44 km

43.5 km43.2 km

42.8 km42.6 km

42.5 km42.2 km

41.8 km

41.7 km

41.5 km

41.4 km

41.1 km

41.6 km

43 km

44.5 km

41.9 km

43.7 km

42.3 km

42.1 km

43.8 km

42.7

km

44.2 km

44.3 km

43.6 km

44.4 km

43.1 km

43.9 km

43.3 km

43.4 km42.9 km

42.4 km

42 km

44.6 km

MW19(DRY)

Option AG-8

Option AO-9

CARDINIA

52

53

51 Deep Creek

54 Soldiers Rd West Dr

CPT105-A

CPT 111

CPT 112

CPT 108

CPT 110

CPT116

CPT 114

CPT 109

CPT 113

CPT105

Gas Import Jetty and

Pipeline Project

Mapsheet 20 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 27: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

!

!

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DEEP C

REEK

FOGARTYS ROAD DRAIN

SOLDIERSRD WEST DR

FOGA

RTYS DRAIN

MC GREGORS DRAIN

MC G

REGO

RS D

RAIN

DEEP CREEKHAGELTHORNES DRAIN

Hall Rd

Soldiers Rd

Ho

bs

on

Rd

Watson Rd

Koo W

eeRu

p Rd

47.2 km

47 km

46.9 km

46.6 km46.5 km

46.4 km46.3 km

46.2 km45.9 km

45.7 km

45.6 km

45.5 km

45.4 km

45.3 km45.2 km

45 km

44.9 km

44.1

km

44.8 km

46.1 km

46 km

45.1 km

47.3

km

44.5 km

46.8 km

44.2 km

44.3 km

47.1 km

44.4 km

44.7 km

45.8 km

46.7 km

44.6 km

MW19(DRY)

CARDINIA

56 McGregors Drain58

55 Hagelthornes Drain

57

54 Soldiers Rd West DrCPT 112

CPT 117

CPT116

CPT 114

CPT 115

CPT 115

CPT 118

CPT 113

CPT 120CPT 119

CPT 121

CPT 120-A

Gas Import Jetty and

Pipeline Project

Mapsheet 21 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

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wa

rra

nt

the

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 28: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

!

!

!

!

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!(

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FOGA

RTYS

DRAIN

MCGREGORS DRAIN

NORTHERN BOUNDARY DRAIN

PAKENHAM CREEKDEEP CREEK

Mc

do

na

lds

Dra

in R

d

Mc

do

na

lds

Dra

in R

d E

as

t

Mc

do

na

lds

Dra

in R

d W

es

t

Watson Rd

Bourke Rd

Koo Wee Rup Rd

49.9 km

49.7 km

49.6 km

49.5 km

49.1 km

48.8 km48.4 km

48.1 km

47.9 km

47.7 km

47.6 km

47.4 km

47.2 km

47 km46.9 km

46.6 km

46.5 km

46.4 km

46.3

km

48.2 km

49.3 km

49.2 km

48.9 km

47.3 km

48.6 km

48.7 km

48 km

48.3 km 48.5 km

49 km

49.4 km

47.5 km

47.1 km

47.8 km

49.8 km

46.7

km

CARDINIA

56 McGregors Drain

5857

59 Deep Creek (lower)

CPT 117

CPT 116

CPT 118

CPT 126

CPT 126

Option AQ9

CPT 123

CPT 120

CPT 126-A

CPT 119

CPT 122

CPT 125CPT 125

CPT 124

CPT 121

CPT 120-A

CPT 120-B

Gas Import Jetty and

Pipeline Project

Mapsheet 22 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

s n

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he

info

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! Kilometre point

!( Waterway crossing locations

Open - Cut

Trenchless, HDD

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Low potential GDE (national assessment)

Page 29: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

!

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DEEP CREEK

Bald Hill Rd

Mc

do

na

lds

Dra

in R

d

Bourke Rd

Ry

an

Rd

Co

op

Rd

52.8 km

52.7 km

52.6 km

52.5 km

52.4 km52.3 km

52.2 km

52.1 km

51.9 km

51.8 km

51.7 km

51.6 km

51.5 km

51.3 km

51.2 km

50.5 km

49.9 km

49.7 km

49.6 km

50.6 km

50.4 km

50.8 km

50.3 km

50.7 km

51 km

50.2 km

52.9 km

51.4 km

50.1 km

49.8 km

53 km

50 km

50.9 km

51.1 km

MW21(1.15)

CARDINIA

60

6261

CPT 130

CPT 126-B

CPT 131

CPT 129

CPT 126CPT 126

CPT 126-C

CPT 126-A

CPT 132

Gas Import Jetty and

Pipeline Project

Mapsheet 23 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

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oe

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Aquatic GDEsHigh potential GDE (national assessment)

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Page 30: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

!

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Oa

kv

iew

La

ne

Canty Lane

Bairnsdale Line

55.9 km

55.8 km

55.7 km55.6 km

55 km

54.8 km

54.7 km

54.6

km54.5 km

54.4

km54.3 km

54.2 km54.1 km

54 km

53.7 km

53.6 km53.5 km

53.3 km

53.1 km

52.8 km

52.7 km

53.4 km

53.8 km

55.3 km

55.5 km

54.9 km

53.2 km

55.1 km

55.2 km

55.4 km

53.9 km

52.9 km

53 km

MW22(1.09)

CARDINIA

63

64

CPT 130

CPT 135

CPT 131

CPT 136

CPT 133

CPT 134

CPT 137

CPT 138

CPT 131-A

CPT 132

CPT 139 Pakenham East Delivery Facility

Gas Import Jetty and

Pipeline Project

Mapsheet 24 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

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! Kilometre point

!< Groundwater wells (water level in mbgs, 30 January 2019)

!( Waterway crossing locations

Open - Cut

Trenchless, Bore

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Low potential GDE (national assessment)

Page 31: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

!

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SEVEN MILE DRAIN

PRINCES HIGHWAYM

ou

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Ara

rat

No

rth

Rd

Oa

kv

iew

La

ne

Mo

un

tA

rara

tS

ou

thR

d

56.7 km

56.6 km

56.5 km

56.4 km

56.3 km

55.9 km

55.8 km

55.7 km

55.6 km

56 km

56.1 km

56.75 km

55.5 km

56.2 km

CARDINIA

CPT 142

CPT 136CPT 137

CPT 138

CPT 139

CPT 141

PakenhamEast Delivery

Facility

EOLSS

Gas Import Jetty and

Pipeline Project

Mapsheet 25 (of 25)

0 100 200

Metres

\\aumel1fp001\Projects\605X\60592634\900_CAD_GIS\920_GIS\02_Maps\GIS_MXDs\MXD_TECH_DDP\Groundwater\CPT_DDP_GWWater_A3_20200903_Rev01.mxd Date Saved: 4/09/2020Source: Vicmap 2019 (c), Imagery - Nearmap 2019 (c).

!

!

!

CRIB POINT

PAKENHAM

KOO WEE RUP

123

45

252423

222021

181916 17

1512 13 14

1110987 6

AE

CO

M d

oe

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! Kilometre point

Open - Cut

Trenchless, Bore

Gas Import Jetty Works area

Pipeline Works Area

Construction Footprint

Local Government Area

VV VVV Western Port Ramsar site boundary

Terrestrial GDEsHigh potential GDE (national assessment)

Moderate potential GDE (national assessment)

Low potential GDE (national assessment)

Page 32: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

Attachment 3

GWL Table

Page 33: GAS IMPORT JETTY AND PIPELINE PROJECT ......September 2019 W e s t e r n P o r t (3.27) (2.11) Water level in mbgs Jan 2019 Water level in mbgs Sept 2019 A! A! A! A! A! A! MW1 (NG)

Gas Import Jetty and Pipeline Project EESInquiry and Advisroy CommitteeGroundwater Level Gauging: January and Septmber 2019

Top of Casing Elevation

Ground Surface Elevation

mAHD mAHD 30/01/2019 23/09/2019 30/01/2019 23/09/2019 30/01/2019 23/09/2019

CPT006_MW01 MW01 7.375 6.594 4.58 3.38 3.80 2.60 2.80 4.00CPT012_MW02 MW02 5.231 5.348 1.41 0.18 1.52 0.30 3.83 5.05CPT012_MW03 MW03 3.408 3.522 3.43 2.23 3.54 2.34 -0.02 1.18CPT015_MW04 MW04 7.992 8.135 >4.09 3.98 >4.23 4.12 NK 4.01CPT000_GW02 GW02 13.574 13.674 3.68 3.17 3.78 3.27 9.89 10.40CPT000_GW03 GW03 7.636 7.753 3.17 Decom. 3.29 - 4.46 -CPT022_MW05 MW05 6.791 6.899 1.30 0.16 1.41 0.27 5.49 6.63CPT027_MW06 MW06 6.772 6.016 4.06 0.96 3.31 0.20 2.71 5.81CPT036_C_MW23 MW23 15.463 14.860 >4.86 1.27 >4.26 0.67 NK 14.19CPT040_B_MW07 MW07 11.575 10.974 3.20 2.06 2.60 1.46 8.38 9.52CPT040_B_GW04 GW04 10.812 10.122 3.14 2.57 2.45 1.88 7.68 8.24CPT045_GW05 GW05 8.601 7.867 2.48 1.53 1.74 0.80 6.12 7.07CPT000_MW08 MW08 8.382 8.509 3.40 0.91 3.53 1.04 4.98 7.47CPT051_MW09 MW09 3.203 3.341 1.48 NG 1.62 - 1.72 -CPT055_MW10 MW10 2.708 2.809 1.89 0.58 1.99 0.68 0.82 2.13CPT000_MW11 MW11* 3.530 3.645 2.94 0.71 3.05 0.83 0.59 2.82CPT064_MW12 MW12 4.367 3.607 3.99 1.23 3.23 0.47 0.38 3.14CPT068_MW13 MW13 5.323 4.622 2.92 0.93 2.22 0.23 2.40 4.39CPT037_B_MW14 MW14* 4.876 4.116 2.99 1.21 2.23 0.44 1.89 3.67CPT000_MW15 MW15* 3.578 3.675 2.14 2.18 2.24 2.28 1.44 1.40CPT000_MW16 MW16* 3.805 3.948 3.85 2.46 4.00 2.60 -0.05 1.35CPT099_MW17 MW17 2.895 2.941 >3.96 1.28 >4.01 1.32 NK 1.62CPT107_MW18 MW18 3.925 3.009 4.83 2.56 3.92 1.64 -0.91 1.37CPT114_MW19 MW19 4.911 4.162 >4.78 4.24 >4.03 3.49 NK 0.67CPT129_MW21 MW21 17.626 17.716 1.06 0.29 1.15 0.38 16.57 17.34CPT134_MW22 MW22 23.902 24.001 1.00 0.02 1.09 0.12 22.91 23.88

Top of Casing

Elevation# Ground Surface Elevation

Depth to Water (mbTOC)

Total depth of well

(mBTOC)mAHD mAHD 23/09/2019 23/09/2019 30/01/2019 23/09/2019 30/01/2019 23/09/2019

MW1 8.40 8.10 8.10 8.75 - 7.80 - 0.30MW2 8.45 7.95 7.28 8.11 - 6.78 - 1.17MW3 7.68 7.28 6.45 9.00 - 6.05 - 1.23MW4 2.86 2.96 0.72 5.00 - 0.82 - 2.15MW5 6.96 7.06 6.04 8.40 - 6.14 - 0.92BH20 2.77 2.87 0.53 3.23 - 0.63 - 2.24

Note:* - MW11, MW14, MW15 & MW16 gauged on 24 Sep 2019NK - not known (well dry or not gauged in Jan 2019 and/or Sep 2019)Dry to base of well

# Top of casing elevation and height of casing above ground level not known, elevation and heights estimated

Crib Point Receiving Facility Monitoring Wells

Groundwater Elevation (mAHD)

Depth to Water (mbgs)

Depth to Water (mbTOC)

Depth to Water (mbgs)

Groundwater Elevation (mAHD)

GIJPP EES Monitoring Wells