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  • North East Link Project IAC

    Technical Advice – Groundwater – Interim Report

    Page 1 of 57

    Reference number: CB2B

    Advice from: Craig S. Barker

    Date of response: 24 July 2019

    This advice is in response to request:

    Provide an interim report to the IAC to be tabled at the commencement of the Hearing on Thursday 25 July 2019 which sets out, within your area of expertise:

    a. The matters required by the PPV Practice Note – Expert Evidence including all facts matters and assumptions upon which you have proceeded;

    b. The key issues, including whether the key issues you identified prior to the circulation of evidence have changed, and if so, how;

    c. Your expert view on the matters raised by paragraph 31 of the Terms of Reference in so far as they relate to the key issues you have identified;

    d. Any areas in which you consider that there is insufficient information, having regard to the current and proposed future stages of the project (e.g., detailed design); and

    e. Recommended changes to the approval documentation including any EPRs (if any).

    Where referring to evidence, the EES or submissions please provide specific references.

    List of Abbreviations AECOM Consulting company

    AHD Australian Height Datum

    ANZECC Australian and New Zealand Environment and Conservation Council

    ARMCANZ Agriculture and Resource Management Council of Australia and New Zealand

    AS Australian Standard

    ASS Acid sulfate soil

    BOM Australian Bureau of Meteorology

    Coffey Consulting company

    DELWP Victorian Department of Environment, Land, Water and Planning

    ecoMarkets GHD 2010, Port Philip CMA, Transient model development report, prepared for the Department of Sustainability and Environment, ecoMarkets project

    EES Environmental Effects Statement

    EPA Environment Protection Authority - Victoria

    EPR Environmental Performance Requirement

    FE Finite element (computer model)

    FEA Finite element analysis model

    FH Angle taken from the horizontal plane

    GDE Groundwater Dependent Ecosystem

    GHD Consulting company

    GIS Geographical Information System

    GW Groundwater

    Haack Water leakage class rating devised by Dr. A. Haack (1991)

    HydroGeologic Consulting firm

    IREA Independent Reviewer and Environmental Auditor

    IAC Inquiry and Advisory Committee (for the North East Link Project)

    ISO International Standards Organisation

    Kh Hydraulic conductivity (horizontal plane)

    km Kilometres

  • North East Link Project IAC

    Technical Advice – Groundwater – Interim Report

    Page 2 of 57

    KV Hydraulic conductivity (vertical plane)

    L/sec Litres per second

    LIDAR Light Detection and ranging - remote sensing method

    m Metres

    m/day Meters per day

    m2 Squared metres

    m3 Cubic metres

    MODFLOW-USG Unstructured Grid Version of MODFLOW

    MMRT Melbourne Metropolitan Rail Tunnel

    MRI Manningham Road Interchange

    mya Million years ago

    NELP North East Link Project

    NEPC National Environment Protection Council

    NHMRC National Health and Medical Research Council

    NZ New Zealand

    PASS Potentially acid sulfate soils

    PEST Model-Independent Parameter Estimation & Uncertainty Analysis

    PFAS Per- and poly- fluoroalkyl substances

    SCM Site Conceptual Model

    SEM Sequentially mined excavation

    SEPP State Environment Protection Policy

    SON State Observation Network

    SRMS Scaled Root Mean Squared

    SWL Standing water level (applies to both groundwater and surface water)

    TDS Total dissolved solids

    TBM Tunnel boring machine

    VVG Visualising Victoria’s Groundwater

  • North East Link Project IAC

    Technical Advice – Groundwater – Interim Report

    Page 3 of 57

    1 Response to Practice Note Information

    (i) Name and address of the expert.

    Craig Stephen Barker

    (ii) Expert's qualifications and experience.

    B. Eng. (Honours), Civil Eng., M. Eng. Stud., Geotech. Eng., FIEAust CPEng NER APEC Engineer IntPE(Aus)) - Civil College, NER, No: 100466, RPEQ; and

    Statutory Environmental Auditor (Contaminated Land) – Victoria (appointed pursuant to the Environment Protection Act, 1970).

    (iii) The expert's area of expertise to make the report.

    Currently work in my own private engineering consultancy firm, which conducts geotechnical investigations, groundwater investigations and contaminated land investigations.

    As a current Statutory EPA Environmental Auditor within the State of Victoria and having been previously, a Statutory Environmental Auditor within the State of South Australia, I routinely deal with complicated groundwater and surface water interaction issues.

    Worked on the Stockland Point Lonsdale - Residential & Waterways Project, Victorian State Planning Panel Submission and Hearing, where I provided technical support to the key witness at Golder Associates, across issues of groundwater, surface water and land contamination.

    Planning Panels Victoria Sessional Member role across the disciplines of: Ground Movement, Groundwater, Surface Water, Contaminated Land and Spoil Management and Air Quality for the Melbourne Metropolitan Rail Tunnel EES (2017) and Victorian Level Crossings Removal Project – Bonbeach and Edithvale Rail Stations (2018).

    I have a Masters of Geotechnical Engineering Studies from Sydney University.

    I am a Fellow with the Institution of Engineers Australia and a Member of the Australian Geomechanics Society.

    (iv) Any other significant contributors to the report and where necessary outlining their expertise.

    There were no other contributors.

    (v) All instructions that define the scope of the report (original and supplementary and whether in writing or oral).

    IAC request to prepare this report on groundwater issues as per letter of 14 May 2019.

    (vi) The identity of the person who carried out any tests or experiments upon which the expert has relied on and the qualifications of that person.

    None.

  • North East Link Project IAC

    Technical Advice – Groundwater – Interim Report

    Page 4 of 57

    (vii) The facts, matters and all assumptions upon which the report proceeds.

    The North East Link Project (NELP) Environment Effects Statement (EES);

    Expert witness reports;

    Submissions;

    Information meeting attendance with applicable NELP technical and planning staff, held on 9 July 2019, at NELP Offices, Melbourne.

    (viii) Reference to those documents and other materials the expert has been instructed to consider or take into account in preparing his or her report, and the literature or other material used in making the report.

    NELP EES Summary Report

    NELP EES Main Report Volumes – Chapters 1 to 28

    NELP EES Technical Report M – Ground Movement

    NELP EES Technical Report N – Groundwater

    NELP EES Attachment III Risk Report

    NELP EES Attachment IV Stakeholder Consultation Report

    NELP EES Attachment V Planning Scheme Amendment

    NELP EES Attachment VI Works Approval

    NELP EES Map Book

    NELP Environmental Performance Requirements (EPRs) for the project

    Expert Witness Statements

    Public Submissions to the EES

    Peer Reviews

    • HydroGeologic Pty. Ltd., North East Link Groundwater Assessment Independent Review, prepared for Clayton Utz for the North East Link Project, 20 February 2019.

    References (refer to detailed list below).

  • North East Link Project IAC

    Technical Advice – Groundwater – Interim Report

    Page 5 of 57

    References

    1. Leonard, J.G., Hydrogeology of the Melbourne Area, Australian Geomechanics Volume 41, No. 3, dated September 2006.

    2. Paul D., Barrett S., Stewart P. and Webster M., The Engineering Geological Evolution of the Jolimont Valley, Melbourne, Victoria, Australian Geomechanics, Volume 49, No. 2, June 2014.

    3. EPA 2006. Environmental Auditing Hydrogeological Assessment (Groundwater Quality) Guidelines. EPA Victoria. September 2006.

    4. Geological Survey of Victoria, Geology of the Melbourne District, Bulletin No. 59, 1967.

    5. Peck, Neilson, Odds and Seddon, Engineering Geology of Melbourne, Balkema, Rotterdam, 1992.

    6. Barnett B, Townley L, Post V, Evans R, Hunt R, Peeters L, Richardson 5, Werner A, Knapton A and Boronkay A. 2012. Australian Groundwater Modelling Guidelines. Waterlines Report 82, National Water Commission, Canberra.

    7. DELWP 2015. Ministerial Guidelines for Groundwater Licensing and the Protection of High Value Groundwater Dependent Ecosystems. State of Victoria Department of Environment, Land, Water and Planning.

    8. DELWP 2016. Guidelines for Assessing the Impact of Climate Change on Water Supplies in Victoria. State of Victoria Department of Environment, Land, Water and Planning, December 2016.

    9. EPA 2006. Environmental Auditing Hydrogeological Assessment (Groundwater Quality) Guidelines. EPA Victoria. September 2006.

    10. Middlemis H, Merrick N, Ross J and Rozlapa _K. 2001. Groundwater Flow Modelling Guideline. Prepared by Aquaterra for Murray—Darling Basin Commission. January 2001.