May 21, 2008 ICHTHYS GAS FIELD DEVELOPMENT REFERRAL OF
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INPEX BROWSE, LTD. Doc No: DEV-EXT-RP-0053 ICHTHYS GAS FIELD DEVELOPMENT Revision: 0 REFERRAL OF PROPOSED ACTION—BROWSE Date: 5 May 2008 BASIN AND BLAYDIN POINT, DARWIN Page No: i DOCUMENT DISTRIBUTION Copy No. Name Hard Copy Electronic Copy 00 Document Control 02 INPEX Management Group 03 INPEX External Affairs The information contained in this document is confidential and for the use of INPEX Browse, Ltd. and those with whom it contracts directly and must not be communicated to other persons without the prior written consent of INPEX Browse, Ltd. Any unauthorised use of such information may expose the user and the provider of that information to legal action. INPEX BROWSE, LTD. Doc No: DEV-EXT-RP-0053 ICHTHYS GAS FIELD DEVELOPMENT Revision: 0 REFERRAL OF PROPOSED ACTION—BROWSE Date: 5 May 2008 BASIN AND BLAYDIN POINT, DARWIN Page No: ii TABLE OF CONTENTS 1 CONTACTS.................................................................................................................... 1 1.1 Referring party....................................................................................................... 1 1.2 Responsible party.................................................................................................. 1 1.3 Proponent.............................................................................................................. 1 2 SUMMARY OF PROPOSED ACTION ........................................................................... 2 2.1 Short description ................................................................................................... 2 2.2 Latitude and longitude ........................................................................................... 2 2.3 Locality .................................................................................................................. 7 2.4 Size of the development footprint or work area..................................................... 7 2.5 Street address of the site .................................................................................... 10 2.6 Lot description ..................................................................................................... 10 2.7 Local government area and council contact........................................................ 10 2.8 Project life............................................................................................................ 10 2.9 Alternatives.......................................................................................................... 10 2.10 State assessment................................................................................................ 11 2.11 Component of larger action ................................................................................. 11 3 DETAILED PROJECT DESCRIPTION......................................................................... 12 3.1 Description of proposal........................................................................................ 12 3.1.1 Site selection ........................................................................................... 12 3.1.2 Major project components ....................................................................... 13 3.1.3 Key associated activities.......................................................................... 20 3.1.4 Emissions, discharges and wastes.......................................................... 26 3.1.5 Rehabilitation and decommissioning ....................................................... 28 3.2 Alternative locations, time frames or activities forming part of the referred action29 3.3 Previously considered alternatives and the “do nothing” case ............................ 30 3.4 Context, planning framework and state/local government requirements............. 30 3.4.1 Commonwealth legislative requirements ................................................. 30 3.4.2 State/territory legislative requirements..................................................... 31 3.5 Environmental impact assessments under Commonwealth, state or territory legislation ............................................................................................................ 32 3.6 A staged development or component of a larger project..................................... 32 4 AFFECTED ENVIRONMENT ....................................................................................... 33 4.1 Matters of national environmental significance.................................................... 33 4.2 Important or unique aspects of the environment ................................................. 40 5 NATURE AND EXTENT OF LIKELY IMPACTS ........................................................... 50 5.1 Likely impacts on matters of national environmental significance....................... 50 5.2 Likely impacts for nuclear actions, actions affecting Commonwealth land or actions taken by the Commonwealth................................................................... 53 6 MEASURES TO AVOID OR REDUCE IMPACTS........................................................ 54 The information contained in this document is confidential and for the use of INPEX Browse, Ltd. and those with whom it contracts directly and must not be communicated to other persons without the prior written consent of INPEX Browse, Ltd. Any unauthorised use of such information may expose the user and the provider of that information to legal action. INPEX BROWSE, LTD. Doc No: DEV-EXT-RP-0053 ICHTHYS GAS FIELD DEVELOPMENT Revision: 0 REFERRAL OF PROPOSED ACTION—BROWSE Date: 5 May 2008 BASIN AND BLAYDIN POINT, DARWIN Page No: iii 6.1 Environmental management program ................................................................. 54 6.1.1 Onshore environment plans..................................................................... 54 6.1.2 Offshore environment plans..................................................................... 55 6.2 Monitoring environmental performance............................................................... 56 7 CONCLUSION ON THE LIKELIHOOD OF SIGNIFICANT IMPACTS.......................... 57 7.1 Proposed action is not likely to have significant impacts..................................... 57 7.1.1 Key reasons............................................................................................. 57 7.2 Proposed action is likely to have significant impacts........................................... 58 8 ASSESSMENT APPROACH UNDER THE EPBC ACT ............................................... 59 9 ENVIRONMENTAL HISTORY OF THE RESPONSIBLE PARTY ................................ 60 10 INFORMATION SOURCES AND ATTACHMENTS ..................................................... 63 10.1 References .......................................................................................................... 63 10.2 Reliability of information ...................................................................................... 64 10.3 Attachments ........................................................................................................ 65 11 SIGNATURES AND DECLARATIONS......................................................................... 66 11.1 Party who prepared the Referral ......................................................................... 66 11.2 Party who is responsible for action...................................................................... 66 11.3 Proponent............................................................................................................ 66 LIST OF TABLES Table 2-1: Latitudes and longitudes of notional development areas....................................... 2 Table 2-2: Conceptual Project schedule ............................................................................... 10 Table 3-1: Estimated dredge volumes for Project activities .................................................. 22 Table 3-2: Provisional earthwork volumes anticipated for construction of the onshore facilities................................................................................................................ 24 Table 4-1: Threatened and migratory species that may inhabit the Project area (DEWHA 2008) ................................................................................................................... 34 Table 4-2: Migratory species that may inhabit the Project area (DEWHA 2008) .................. 37 Table 6-1: List of EMPs that may be required for the Project ............................................... 54 The information contained in this document is confidential and for the use of INPEX Browse, Ltd. and those with whom it contracts directly and must not be communicated to other persons without the prior written consent of INPEX Browse, Ltd. Any unauthorised use of such information may expose the user and the provider of that information to legal action. INPEX BROWSE, LTD. Doc No: DEV-EXT-RP-0053 ICHTHYS GAS FIELD DEVELOPMENT Revision: 0 REFERRAL OF PROPOSED ACTION—BROWSE Date: 5 May 2008 BASIN AND BLAYDIN POINT, DARWIN Page No: iv LIST OF FIGURES Figure 2-1: Offshore notional development area comprising the Field, pipeline and fixed-platform notional development areas ........................................................... 4 Figure 2-2: Offshore pipeline notional development areas with example pipeline routes for each option............................................................................................................ 5 Figure 2-3: Onshore development area at Blaydin Point .......................................................