Environment Report - Santos

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Executive Summary Table 1 Environmental mitigation and management measures (cont’d) Element Potential Issue/Impact Proposed Mitigation and Management Measure Terrestrial ecology (cont’d) Aboriginal and historic heritage Land use and infrastructure Socio-economic Visual amenity Potential for disturbance to Aboriginal and historic heritage sites Construction and operation of the pipeline may effect current land use activities Interference with the operation of existing infrastructure Creation of jobs and requirement for supporting goods and services Short-term additional demand for services, facilities and infrastructure, potential to create social tensions Alteration to the visual landscape associated with vegetation clearing and the introduction of project infrastructure Campbells Creek crossing is aligned to avoid clearance of significant riparian vegetation Cleared native vegetation will be retained on site and respread over the easement during rehabilitation The period and length of time the trench remains open will be minimised and the open trench will be monitored for fauna Weed and pathogen hygiene measures will be implemented for the project, particularly in relation to access to the Port Campbell National Park Any areas of native vegetation impacted by the project shall be revegetated with indigenous species to reflect the original EVC in line with the principles of net gain Disturbed areas will be revegetated as soon as practicable following construction Permanent access to the MLV site will be via an existing narrow track, which will require minor clearing of native regrowth and weed species. An Aboriginal heritage management plan will be implemented in consultation with the relevant Aboriginal communities Additional sub-surface Aboriginal heritage surveys will be undertaken in the Campbells Creek valley prior to construction in consultation with the relevant Aboriginal communities Representatives from the relevant Aboriginal communities will be engaged to monitor clearing and initial earthworks for previously undetected heritage artefacts Appropriate site management will be implemented in consultation with relevant Aboriginal heritage communities and regulatory authorities A protocol for the management of any new potential Aboriginal or historic heritage sites uncovered during construction will be implemented within the heritage management plan framework The pipeline has been aligned through properties in consultation with landholders to minimise impacts to farm operations (e.g., follow existing easements and fence lines), where practicable A weed and pathogen management plan will be implemented, including appropriate hygiene measures to prevent the introduction and spread of weeds and pathogens Liaison with landholders will be undertaken to determine the most appropriate measures to minimise impacts to farm operations The easement and farm infrastructure will be reinstated in a manner that minimises disruption and losses to landholders Santos will continue to liaise with Woodside Energy Ltd with regard to minimising impacts where pipeline construction for the Casino Gas Field Development and the Otway Gas Project is within the same property Crossing of the Curdie Vale to Port Campbell Road and Cobden to Port Campbell Road will be by HDD Utility infrastructure asset owners will be consulted regarding potential impacts to utilities associated with pipeline route selection, construction and operation activities Where possible, employees and goods and services will be sourced locally The field interaction protocol will continue to be implemented to guide personnel on appropriate standards of conduct during field activities Santos and the construction contractor will consult with local authorities and service providers regarding resourcing issues Installation of subsea wellheads will avoid offshore visual impacts Well locations will be identified on marine charts and coordinates provided to commercial fishers to negate the need for marker buoys to mark well locations The shore crossing will be constructed by HDD xviii Casino Gas Field Development
Executive Summary Table 1 Environmental mitigation and management measures (cont’d) Element Potential Issue/Impact Proposed Mitigation and Management Measure Visual amenity (cont’d) Noise Air quality Potential noise nuisance to adjacent residents during construction and operation Generation of dust and exhaust emissions The pipeline alignment selected minimises vegetation clearance The onshore pipeline will be buried The HDD and MLV site will be screened behind dense roadside vegetation at the Great Ocean Road The location of the construction camp, if required, will be in an area of previous disturbance and established and operated in a manner that minimises visual intrusion Noisy activities will be scheduled for during the day to coincide with higher ambient noise, where practicable Measures will be undertaken to attenuate noise from the HDD, if necessary, e.g., noise barriers, or alternatively arrangements will be implemented with the affected residents to avoid noise nuisance Potentially affected residents will be informed of the status of construction activities The extent of clearing and earthworks will be limited and the period surfaces are exposed minimised Vehicle speeds will be restricted on unsealed tracks and the pipeline easement Appropriate means to stabilise soils in dusty conditions will be used, e.g., water trucks Vehicles and plant will be appropriately maintained The pipeline and associated appurtenances will be appropriately maintained to minimise fugitive emissions during operations Planned venting operations, if undertaken, will be during appropriate weather conditions to facilitate rapid dispersion Greenhouse gas Emissions of greenhouse gases The pipeline and associated appurtenances will be appropriately maintained to minimise fugitive emissions during operations Traffic Hazard and Risk Alteration to existing traffic conditions, e.g., increased road use Risk of rupture of the gas or MEG pipelines, or impacts to wellhead facilities Bushfire resulting from construction activities Vehicles and other internal combustion equipment will be appropriately maintained Quantities of vented natural gas during commissioning and operations will be minimised A traffic management plan for the construction and operations phases will be developed and implemented in consultation with VicRoads and the Corangamite Shire The pipeline and associated appurtenances will be located to minimise risk of interference Design and construction of wellhead facilities, the pipeline and associated appurtenances will be in accordance with Australian standard AS2885 and consequently, the project risk assessment study Bushfire prevention and response procedures will be developed in consultation with relevant regulatory authorities for incorporation into the Safety Management Plan Casino Gas Field Development xix
Page 1 and 2: Environment Report Casino Gas Field
Page 3: Preface The Casino Gas Field Develo
Page 6 and 7: Executive Summary TXU WUGS facility
Page 8 and 9: Executive Summary ment from the Cas
Page 10 and 11: Executive Summary 9 8 N Casino offs
Page 12 and 13: Executive Summary 668 000 670 000 6
Page 14 and 15: Executive Summary Alignment of the
Page 16 and 17: Executive Summary Table 1 Environme
Page 20 and 21: Executive Summary xx Casino Gas Fie
Page 22 and 23: Contents 4.3.4 Commercial Benefits
Page 24 and 25: Contents 6.15.1 Existing Environmen
Page 26 and 27: Contents 6.3 Locations of commercia
Page 28 and 29: Contents xxviii Casino Gas Field De
Page 30 and 31: 1. Introduction 640 000 650 000 660
Page 32 and 33: 1. Introduction • Provision of an
Page 34 and 35: 2. Regulatory Framework • Commonw
Page 36 and 37: 2. Regulatory Framework Santos has
Page 38 and 39: 2. Regulatory Framework 10 Casino G
Page 40 and 41: 3. Stakeholder Consultation Table 3
Page 42 and 43: 3. Stakeholder Consultation This re
Page 44 and 45: 4. Project Rationale ability to sto
Page 46 and 47: 4. Project Rationale mary energy so
Page 48 and 49: 5. Project Description network. A n
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Page 56 and 57: 5. Project Description 668 000 670
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5. Project Description move weld de
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5. Project Description tion contrac
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5. Project Description corrosion in
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6. Impact Assessment 10.3 m (WNI, 2
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6. Impact Assessment 9 8 Flaxman's
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6. Impact Assessment 640 000 650 00
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6. Impact Assessment Drill Fluid an
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6. Impact Assessment coated or thic
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6. Impact Assessment mammals such a
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6. Impact Assessment noise were red
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6. Impact Assessment Physiological
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6. Impact Assessment SIV, 2003). Ke
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6. Impact Assessment the proposed s
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6. Impact Assessment Table 6.4 Geol
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6. Impact Assessment • Route plan
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6. Impact Assessment Project, Santo
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6. Impact Assessment 668000 670000
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6. Impact Assessment Park and Loch
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6. Impact Assessment side native ve
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6. Impact Assessment Curdie Vale -
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6. Impact Assessment Habitat Loss.
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6. Impact Assessment Table 6.9 Pote
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6. Impact Assessment 6.9.5 Residual
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o 6. Impact Assessment 630000 65000
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6. Impact Assessment Electricity. P
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6. Impact Assessment will be requir
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6. Impact Assessment requirements.
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6. Impact Assessment of the project
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6. Impact Assessment 6.13.2 Potenti
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6. Impact Assessment will be contra
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6. Impact Assessment dicted noise l
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6. Impact Assessment occupants of R
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6. Impact Assessment • Minimising
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6. Impact Assessment - Pipeline mon
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7. Environmental Management Framewo
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8. References CSC. 2004c. Industry.
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8. References Force on Marine Prote
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9. Glossary laydown area: sites at
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Appendix 1 Appendix 1 - Terrestrial
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Appendix 1 List of flora species th
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Appendix 1 Status List of flora spe
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Appendix 1 List of fauna species th
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Appendix 1 List of fauna species th
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Appendix 2 Santos Environment, Heal
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INTRODUCTION Introduction Message f
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2 > FRAMEWORK EHSMS Framework The S
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4 > MANAGEMENT STANDARDS EHSMS 01 |
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6 > MANAGEMENT STANDARDS EHSMS 05 M
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8 > MANAGEMENT STANDARDS EHSMS 07 M
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unless otherwise stated, be based o
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12 > MANAGEMENT STANDARDS EHSMS 10
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22 > HAZARD STANDARDS Hazard Standa
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24 > GLOSSARY Glossary EHSMS Perfor
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Santos Head Office Santos House 91
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Environment Report - Santos

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