Extraction Plan - Peabody Energy

Extraction Plan – North Wambo Underground Mine Longwalls 7 and 8Table A1-2 (Continued)Development Consent DA 305-7-2003 RequirementsConditionNumber(Schedule 4)First WorkingsCondition22E. The applicant may carry out first workings within the underground mining area, other than inaccordance with an approved extraction plan, provided that DII is satisfied that the firstworkings are designed to remain stable and non-subsiding in the long term, except insofar asthey may be impacted by approved second workings.Wambo Homestead Complex – Section 60 Approval57 An application under section 60 of the Heritage Act must be submitted to and approved bythe Heritage Council prior to the commencement of any development on land within the StateHeritage Register listing boundary for the Wambo Homestead Complex. In this regard a minemanagement plan shall be required to accompany the application which demonstrates thatthe proposed underground mining shall not have adverse heritage impacts on the WHC dueto land subsidence.Document Reference/CommentRequest lodged on 22 November 2012 for confirmation thatthe Division of Resources and Energy is satisfied that the firstworkings are designed to remain stable and non-subsiding inthe long term, except insofar as they may be impacted byapproved second workings.Confirmation from the Division of Resources and Energyprovided on 7 December 2012 that the proposed firstworkings satisfy the requirements of Condition 22E,Schedule 4 of the Development Consent (DA 305-7-2003),subject to the Mine Manager undertaking adequate monitoringof the stability of the first workings and implementingappropriate ground support of the roadways in accordancewith the results of the monitoring.This monitoring is undertaken in accordance with the StrataFailure Management Plan.An application under section 60 of the Heritage Act, 1977 formining within the curtilage of the Wambo HomesteadComplex for Longwalls 7 and 8 was approved on12 September 2012.The Wambo Homestead Complex Mine Management Plan isan attachment of the Heritage Management Plan(Appendix E).EP/SMP LW7-8 Rev B December 2012 Page A1-7