MRA2C Offset Area Management Plan
EPBC 2017-7957
Brigalow Property
March 2021
Confidential
Document tracking
Project Name | MRA2C Offset Area Management Plan - Brigalow Property |
Company | BHP |
Project Number | EPBC 2017-7957 |
Prepared by | Jessie McCudden & Renee Whitchurch |
Reviewed by | Mark Longbottom |
Approved by | Tom Kaveney |
Status | Final |
Version Number | 6 |
This report should be cited as 'BHP (2020) MRA2C Offset Area Management Plan - Brigalow Property'
Disclaimer
This document may only be used for the purpose for which it was commissioned and in accordance with the contract between Adaptive Strategies Pty Ltd and BHP. The scope of services was defined in consultation with BHP, by time and budgetary constraints imposed by the client, and the availability of reports and other data on the subject area. Changes to available information, legislation and schedules are made on an ongoing basis and readers should obtain up to date information. Adaptive Strategies Pty Ltd accepts no liability or responsibility whatsoever for or in respect of any use of or reliance upon this report and its supporting material by any third party. Information provided is not intended to be a substitute for site specific assessment or legal advice in relation to any matter. Unauthorised use of this report in any form is prohibited.
Confidential | ||
Contents | ||
1. Introduction | ||
1.1 | ||
1.2 | Offset Approval Conditions | 6 |
1.3 | Purpose of Offset Area Management Plan | 7 |
1.4 | Legally binding mechanism | 9 |
2. Offset Area | 10 | |
2.1 | Property location and regional context | 10 |
2.2 | Tenure and ownership | 10 |
2.3 | Offset area and values | 10 |
2.4 | Threatening processes | 16 |
3. Offset Management | 17 | |
3.1 | Offset management objectives | 17 |
3.2 | Completion scores and performance targets | 17 |
3.3 | Offset management actions and schedule | 19 |
3.4 | Offset area restrictions | 24 |
3.5 | Offset management risks | 25 |
4. Monitoring and Reporting | 27 | |
4.1 | Monitoring | 27 |
4.2 | Offset implementation reporting | 28 |
Confidential | |
References | 30 |
Appendix A Offset Area Boundary Coordinates | 31 |
Appendix B Risk analysis | 33 |
Appendix C Habitat Quality Scores | 38 |
Appendix D Offset Assessment Guide (OAG) | 39 |
Confidential | 1. Introduction |
BHP |
1. Introduction
1.1 Background
South Walker Creek (SWC) Mine is a BHP Mitsui Coal Pty Ltd (BMC) operated open cut coal mine located in the Northern Bowen Basin subregion of Central Queensland, approximately 125 km south-west of Mackay within the Isaac Regional Council Local Government Area. Mining activities at SWC are conducted on Mining Lease (ML) 4750 across five active pits.
The Mulgrave Pit is located in the north-central portion of the mine's operational land and is currently planned to undergo further progression to allow continued development of the coal resource. Referred to as the Mulgrave Resource Access Project, Stage 2C (MRA2C; Project), the planned pit progression will encompass a total 1,279 ha of land disturbance. This includes the diversion of a section of Walker Creek that currently flows through the future mining area.
The MRA2C project received Commonwealth approval under the Environment Protection and Biodiversity Act 1999 (EPBC Act), subject to the implementation of conditions on the 30 October 2019 (EPBC 2017/7957). The Commonwealth approval EPBC 2017/7957 outlines the approved, unavoidable, significant impacts as a result of the project, which includes impacts to the threatened species Ornamental Snake (Denisonia maculata), Koala (Phascolarctos cinereus), Greater Glider (Petauroides volans), Squatter Pigeon (Geophaps scripta scripta), Black Ironbox (Eucalyptus raveretiana) and the Threatened Ecological Community (TEC) Brigalow (Acacia harpophylla dominant and co-dominant).
Since approval was granted, an additional disturbance area associated with the MRA2C project was identified. The additional impact area includes habitat for Koala, Greater Glider, Squatter Pigeon and Black Ironbox. BHP applied for a variation to the conditions of the approval to increase the disturbance limits for relevant values and deliver additional offsets to compensate for the increased impacts. This variation was approved on 27 November 2020. The authorised impact areas for each MNES as per Condition 1 of the EPBC Act approval are outlined in Table 1. Offsets for the project will be delivered in two stages as per the EPBC Act approval conditions.
Impacts to Brigalow TEC, Koala, Greater Glider and Ornamental Snake are being offset on the Clive and Brigalow Properties as part of Stage 1. This Offset Area Management Plan (OAMP) is relevant to offsets being provided on the Brigalow Property, and a separate OAMP details offsets being provided on the Clive Property (ELA, 2020a). Impacts to Black Ironbox (Eucalyptus raveretiana) are addressed in a separate OAMP for the Myuna property (ELA 2020b). A summary of the total project offset acquittal is provided in Table 2.
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BHP Group plc published this content on 01 June 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 01 June 2021 10:58:03 UTC.