Wambo Coal Pty Ltd
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WAMBO COAL PTY LTD NORTH WAMBO UNDERGROUND MINE EXTRACTION PLAN LONGWALLS 8 TO 10A APPENDIX C BIODIVERSITY MANAGEMENT PLAN WAMBO COAL MINE NORTH WAMBO UNDERGROUND MINE BIODIVERSITY MANAGEMENT PLAN LONGWALLS 8 - 10A PREPARED BY WAMBO COAL PTY LTD AND RESOURCE STRATEGIES PTY LTD APRIL 2015 Project No. WAM-09-15 Document No. 00666579.docx Biodiversity Management Plan – North Wambo Underground Mine Longwalls 8-10A DOCUMENT CONTROL Document No. BMP LW 8-10A Title Biodiversity Management Plan for North Wambo Underground Mine Longwalls 8-10A General Description Management of potential subsidence effects, subsidence impacts and environmental consequences on flora and fauna for mining of Longwalls 8 to 10A at the North Wambo Underground Mine Key Support Documents Wambo Coal Flora and Fauna Management Plan Revisions Rev No Date Description By Checked A October 2012 Original Draft WCPL and - Resource Strategies B October 2012 Draft for Consultation WCPL and T. Favell Resource Strategies C December 2012 Final for Submission WCPL and T. Favell Resource Strategies D December 2013 Revised to include WCPL and - Longwalls 9 and 10 Resource Strategies E February 2014 Final for Submission WCPL and T. Favell Resource Strategies F March 2015 Revised to include WCPL and Resource T. Favell Longwall 10A Strategies G April 2015 Final for Submission WCPL and Resource P. Jaeger Strategies Approvals Name Position Signed Date Environment and Originator T. Favell 10/04/2015 Community Manager Technical Services Checked T. Britten 10/04/2015 Manager NWU Manager of Mining Confirmed M. Wood 10/04/2015 Engineering The nominated Coordinator for this document is Environment and Community Manager BMP LW8-10A Rev G April 2015 Page i Biodiversity Management Plan – North Wambo Underground Mine Longwalls 8-10A TABLE OF CONTENTS Section Page 1 INTRODUCTION 1 1.1 PURPOSE AND SCOPE 5 1.2 STRUCTURE OF THE BIODIVERSITY MANAGEMENT PLAN 6 2 PERFORMANCE MEASURES 9 3 PREDICTED SUBSIDENCE IMPACTS AND ENVIRONMENTAL CONSEQUENCES 10 3.1 FLORA 10 3.1.1 Background 10 3.1.2 Revised Assessment of Potential Subsidence Impacts and Environmental Consequences 10 3.1.3 Warkworth Sands Woodland Endangered Ecological Community 12 3.1.4 White Box, Yellow Box, Blakely’s Red Gum Woodland/Grassy White Box Woodland Endangered Ecological Community/Critically Endangered Ecological Community 13 3.1.5 Other Threatened Ecological Communities 14 3.1.6 Threatened Populations 15 3.1.7 Threatened Species 16 3.2 FAUNA 16 3.2.1 Background 16 3.2.2 Revised Assessment of Potential Subsidence Impacts and Environmental Consequences 18 3.3 AQUATIC ECOSYSTEMS 18 3.3.1 Background 18 3.3.2 Revised Assessment of Potential Subsidence Impacts and Environmental Consequences 18 3.4 WOLLEMI NATIONAL PARK 19 3.4.1 Background 19 3.4.2 Revised Assessment of Potential Subsidence Impacts and Environmental Consequences 20 4 FLORA AND FAUNA MONITORING 21 4.1 FLORA MONITORING ABOVE LONGWALLS 8 TO 10A 21 5 ASSESSMENT OF PERFORMANCE INDICATORS AND MEASURES 24 6 CONTINGENCY PLAN 27 7 REFERENCES 28 LIST OF TABLES Table 1 Biodiversity Management Plan Requirements Table 2 Flora and Fauna Management Plan – Reference Summary Table 3 Biodiversity Performance Measures Table 4 Threatened Fauna Species Table 5 Biodiversity Performance Measures and Performance Indicators Table 6 Monitoring of Environmental Consequences against Performance Indicators and Measures BMP LW8-10A Rev G April 2015 Page ii Biodiversity Management Plan – North Wambo Underground Mine Longwalls 8-10A TABLE OF CONTENTS (continued) LIST OF FIGURES Figure 1 Regional Location Figure 2 Wambo Coal Mine Layout Figure 3 Aerial Photograph of Longwalls 8 to 10A Figure 4 Wambo Coal Mine Environmental Management System Figure 5 Vegetation Communities in the Vicinity of Longwalls 8 to 10A Figure 6 Locations of Biodiversity Monitoring Sites Figure 7 Monitoring of Environmental Consequences against Performance Indicators and Measures LIST OF PLATES Plate 1 Southern Patch of Acacia pendula LIST OF ATTACHMENTS Attachment 1 Biodiversity Management Plan Trigger Action Response Plan Attachment 2 Wambo Coal Mine Flora and Fauna Management Plan BMP LW8-10A Rev G April 2015 Page iii Biodiversity Management Plan – North Wambo Underground Mine Longwalls 8-10A 1 INTRODUCTION The Wambo Coal Mine is an open cut and underground coal mining operation located approximately 15 kilometres (km) west of Singleton, near the village of Warkworth, New South Wales (NSW) (Figure 1). The Wambo Coal Mine is owned and operated by Wambo Coal Pty Limited (WCPL), a subsidiary of Peabody Energy Australia Pty Limited. The North Wambo Underground Mine is a component of the approved Wambo Coal Mine. The North Wambo Underground Mine commenced in 2005 and involves extraction of coal by longwall mining methods from the Wambo Seam within Mining Lease (ML) 1402, ML 1594, Coal Lease 397 and Consolidated Coal Lease 743 (Figure 2). The potential environmental impacts of the existing Wambo Coal Mine were assessed in the Wambo Development Project Environmental Impact Statement (the Wambo Development Project EIS) (WCPL, 2003). Development Consent DA 305-7-2003 for the Wambo Coal Mine was granted on 4 February 2004 by the then NSW Minister for Urban Affairs and Planning under Part 4 of the NSW Environmental Planning and Assessment Act, 1979. An application to modify the Development Consent (DA 305-7-2003 MOD 2) was lodged in January 2005 to facilitate the re-orientation of the North Wambo Underground Mine longwall panels and allow access to the Wambo Seam via the open cut highwall and was approved on 4 May 2005. The application was accompanied by the Wambo Development Project – Wambo Seam Underground Mine Modification Statement of Environmental Effects (North Wambo SEE) (WCPL, 2005). A subsequent application to modify the Development Consent (DA 305-7-2003 MOD 13) was lodged in December 2012 to allow an extension to the approved North Wambo Underground Mine to include two additional longwalls (Longwalls 9 and 10) and was approved on 8 July 2013. The application was accompanied by the North Wambo Underground Mine Modification Environmental Assessment (North Wambo Modification EA) (WCPL, 2012). An application to modify the Development Consent (DA 305-7-2003 MOD 14) was lodged in September 2014 to allow a minor extension to the approved North Wambo Underground Mine to include an additional longwall (Longwall 10A). The application was accompanied by the North Wambo Underground Mine Longwall 10A Modification Environmental Assessment (North Wambo Longwall 10A Modification EA) (WCPL, 2014). A Subsidence Management Plan for Longwalls 1 to 6 at the North Wambo Underground Mine (WCPL, 2006) was approved by the NSW Department of Primary Industries – Mineral Resources on 11 December 2006. An Extraction Plan for Longwalls 7 and 8 was approved by the NSW Department of Planning and Infrastructure (DP&I) for Longwall 7 on 16 May 2013 and for Longwall 8 on 24 September 2013. Subsequently, a revised Extraction Plan for Longwalls 7 to 10 was approved by the Department of Planning and Environment (DP&E) on 4 July 2014. The approved Extraction Plan for Longwalls 7 to 10 has been revised to include the remaining longwall within the North Wambo Underground Mine extent (Longwall 10A) for a consolidated Extraction Plan for Longwalls 8 to 10A (Figure 3). BMP LW8-10A Rev G April 2015 Page 1 Muswellbrook No2 Bengalla E 300 000 MUSWELLBROOK E 320 000 MUSWELLBROOK QUEENSLAND SHIRE COUNCIL NEW NEW SOUTH WALES Brook WAMBO MUSWELLBROOK COAL MINE SINGLETON NEWCASTLE N 6 420 000 LAKE ENGLAND Mt Arthur Foy SAINT SYDNEY Drayton MAIN ACTCLAIR LAKE RAVENSWORTH LIDDELL STATE FOREST Mt Owen HIGHWAY Liddell NORTHREN VICTORIA Ravensworth East Cumnock Hunter Valley Brook Operations PLASHETT North Road Ravensworth RAILWAY Glendell RESERVOIR Ravensworth Underground West Fal Ravensworth Narama Glennies Creek Ashton SINGLETON SHIRE COUNCIL Camberwell Lemington Brook Jerrys Plains GOLDEN Road Glendonbrook N 6 400 000 Hunter Valley N 6 400 000 Operations Rixs Creek South Glendon HUNTER HIGHWAY Singleton Heights Gresford Road United SINGLETON Warkworth NEW Road Wallaby Scrub RIVER Warkworth WAMBO Putty Road Road ENGLAND Road Branxton Bulga HIGHWAY Mount Thorley MAIN NORTHERN WOLLEMI NATIONAL PARK Charlton RAILWAY Greta Bulga Broke Putty Road Creek Wollombi N 6 380 000 N 6 380 000 Parsons Broke CESSNOCK CITY COUNCIL WERAKATA NATIONAL PARK YENGO NATIONAL PARK Road POKOLBIN STATE FOREST CESSNOCK Wollombi Bellbird WERAKATA NATIONAL PARK Congewai ABERDARE N 6 360 000 STATE FOREST N 6 360 000 Creek Road LEGEND Brook Wollombi Austar RIVER Mining and Coal Lease Boundary Local Government Boundary Mining Operation CARRABARE STATE FOREST WAMBO COAL MINE 0 5 10 YANGO STATE FOREST FIGURE 1 Kilometres Regional Location GRID DATUM MGA 94 ZONE 56 E 320 000 E 340 000 E 300 000 WAM-09-15_EP LW 8-10A_Biodiversity MP_101A E 310 000 E 315 000 E 305 000 ML 1572 Hunter Valley Operations Previous Alignment of United Colliery North Wambo Creek CL 374 Administration Access Road (Not Constructed) Hunter Valley N 6 395 000 CCL 743 N 6 395 000 CL 397 Operations Approved Montrose CHPP Wambo Water Storage ML 1594 Portal Access Road (Not Yet Constructed) North Wambo Creek Diversion WARKWORTH ML 1402 Wambo Coal Terminal CHPP Product Coal Conveyor LW8b South Bates - LW 1 Administration Buildings Whybrow LW 2 Wambo Homestead and Workshops ML 1594 LW 3 Exclusion Zone Underground Mine LW 4 Mount Thorley LW 5 Warkworth North Wambo LW 6 LEGEND Underground Mine LW 7 Mining and Coal Lease Boundary LW 8a LW 9 WCPL