Metropolitan Coal Project Independent ... - Peabody Energy

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Metropolitan Coal Independent Environmental Audit Condition No. CATCHMENT MONITORING PROGRAM 3/2 The Proponent shall prepare and implement a comprehensive Catchment Monitoring Program for the project to the satisfaction of the Director-General. This program must: (a) be prepared by suitably qualified and experienced experts whose appointment has been endorsed by the Director- General; (b) (c) (d) Condition Verification Compliance Comments be prepared in consultation with DWE, SCA and DECC; be approved by the Director-General before the Proponent is allowed to carry out any second workings in the mining area; and include: detailed baseline data of the existing surface and groundwater resources in the project area; a program for the ongoing development and use of appropriate surface and groundwater models for the project; and a program to: - monitor and assess any impacts of the project on the quantity and quality of surface and ground water resources in the project area, and in particular the catchment yield to the Woronora Reservoir; and - validate and calibrate the surface and groundwater models. SPECIFIC REQUIREMENTS FOR FURTHER MODELLING & ASSESSMENT 3/3 If the subsidence effects and subsidence impacts of the project exceed the relevant predictions by more than 15% at any time after mining has progressed beyond the halfway mark of Long-wall 21, or if the profile of vertical displacement does not reflect predictions, then the Proponent shall use appropriate numerical modelling to supplement the subsequent predictions of subsidence effects and subsidence impacts for the project to the satisfaction of the D-G. Note: The aim of the numerical modelling is to give a better insight into the mechanisms that may account for the differences between predicted and actual subsidence effects and impacts. 3/4 The Proponent shall not undermine Swamps 76, 77 and 92 without the written approval of the Director-General. In seeking this approval, the Proponent shall submit the following information with the relevant Extraction Plan (see condition 6 below): Letter from DP&I re Endorsement of Experts, 19 Feb 2010 Catchment Monitoring Program, 14 May 2010 Subsidence Monitoring Program, dated April 2010 Extraction Plan, Attachment 1, 14 May 2010 2010 Annual Review 2011 Annual Review Long-walls 20-22 Figure 6 Upland Swamps C C C C C C C The Catchment Monitoring Program was prepared and submitted to the Director-General prior to second workings in the Long-walls 20-22 area. Minor amendments and formatting changes were approved by DoP on 14 May 2010 and edits and additions made to address comments from the SCA and NSW OoW following submission of the 2011 Annual Review: (a) The CMP has been prepared by Gilbert and Associates, Heritage Computing and Metropolitan Coal; (b) The document Revision Status Register notes that rev CMP-R01-A of the CMP was distributed to the SCA, DECCW, Office of Water and DP&I. (c) The Catchment Monitoring Program was approved by DoP on 14 May 2010 prior to second workings; (d) The CMP includes: Section 3 Baseline Data, section 3.4 Surface Water, section 3.5 Groundwater Section 4.3 Surface and Groundwater Models Section 5.3 Program to Monitor and Assess any Impacts on the Quantity and Quality of Surface and Ground water Resources Section 4.3.2 A review of the subsidence survey results and comparison between the predicted and observed subsidence movements associated with Long-wall 20 extraction over the review period was conducted by Mine Subsidence Engineering Consultants (MSEC). The assessment found that subsidence impacts were less than that predicted within the accuracy expected from re-survey. Subsidence Monitoring Program and associated management processes are considered to be adequate. The Biodiversity Management Plan prepared as part of the Long-walls 20-22 Extraction Plan addresses the requirements of condition 4: viii | Metropolitan Coal Project Approval, Environment Protection License and Consolidated Mining Lease
Metropolitan Coal Independent Environmental Audit Condition No. (a) Condition Verification Compliance Comments a comprehensive environmental assessment of the: potential subsidence impacts and environmental consequences of the proposed Extraction Plan; potential risks of adverse environmental consequences; and options for managing these risks; (b) a description of the proposed performance measures and indicators for these swamps; and (c) a description of the measures that would be implemented to manage the potential environmental consequences of the Extraction Plan on these swamps (to be included in the Biodiversity Management Plan – see condition 6(f) below), and comply with the proposed performance measures and indicators. FIRST WORKINGS 3/5 The Proponent shall not carry out first workings in the mining area that are not consistent with the approved mine plan without the written approval of the Director-General. SECOND WORKINGS Extraction Plan 3/6 The Proponent shall prepare and implement an Extraction Plan for all second workings in the mining area to the satisfaction of the Director- General. This plan must: (a) be prepared by a team of suitably qualified and experienced experts whose appointment has been endorsed by the Director-General; (b) be approved by the Director-General before the Proponent is allowed to carry out the second workings covered by the Extraction Plan; (c) include a detailed plan for the second workings, which has been prepared to the satisfaction of DPI, and provides for adaptive management (from Longwall 23 onwards); (d) include detailed plans of any associated surface construction works; (e) include the following to the satisfaction of DPI: a coal resource recovery plan that demonstrates effective recovery of the available resource; revised predictions of the conventional and nonconventional subsidence effects and subsidence impacts of the extraction plan, incorporating any relevant information that has been obtained since this approval; and a Subsidence Monitoring Program to: Letter to DI&I re MOP Amendment, 18 May 2010 Letter from DI&I re Approval of Metropolitan MOP Amendment, 20 May 2010 Metropolitan Colliery Longwalls 20-22 Extraction Plan, Apr 2010 Letter from DoP re Approval of Experts for Extraction Plan, 23 Sep 2009 Letter from Planning NSW re Approval of the Extraction Plan, 14 May 2010 Construction Management Plan for Surface Works, Aug 2010 Water Management Plan Revision C, 14 Nov 2011 Coal Resource Recovery Plan Subsidence Monitoring Program Biodiversity Management Plan C C C C Ongoing C C C C C (a) Biodiversity Management Plan section 4 Revised Assessment of Potential Environmental Consequences – Subsidence Predictions (b) Biodiversity Management Plan section 5 Performance Measures and Indicators (c) Biodiversity Management Plan section 5 Performance Measures and Indicators and section 4.2 and 6.1 Upland Swamps All mine workings have been undertaken in accordance with the approved mine plans and MOP. The Extraction Plan was prepared to satisfy this condition with supplementary stand-alone plans developed for each of the components in condition 3(d) to (g): (a) The Extraction Plan was Mine Subsidence Engineering Consultants, Gilbert and Associates, Heritage Computing, Cenwest Environmental Services, Flora Search, Bio- Analysis and Kayandel Archaeological Services. The appointment of the team of suitably qualified and experienced experts was endorsed by the Director-General on 23 September 2009. (b) The Extraction Plan was submitted to the Director-General and approved prior to any second workings occurring in the area covered by the Plan. (c) A Coal Resource Recovery Plan, including a detailed plan for the second workings is provided in Appendix 1 of the Subsidence Monitoring Program. (d) Construction Management Plan prepared for Surface Works, August 2010 ix | Metropolitan Coal Project Approval, Environment Protection License and Consolidated Mining Lease
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Metropolitan Coal Project Independent ... - Peabody Energy

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