Extraction Plan - Peabody Energy

Extraction Plan – North Wambo Underground Mine Longwalls 7 and 8An Incident Report will include the following:• details on the nature of the incident (including survey results, photographs and date of theincident);• results of investigation(s) to identify/evaluate the contributing factors to the incident;• proposed course of action to remedy the incident, including proposed contingency measures anda program to review the effectiveness of the contingency measures; and• relevant WCPL contact details to obtain further information on the incident.4.2.2 Monthly Status UpdateThe Monthly Status Update will include the following:• Current face position of the longwall panel being extracted and a note on the current location ofdevelopment.• Summary of any comments, advice and feedback from consultation with stakeholders in relationto subsidence management undertaken in the month and a summary of WCPL’s responses.• Summary of observed and/or reported subsidence impacts, including a full description and goodphotos of the impact and preliminary characterisation of the impact (i.e. Normal – PredictedImpact; Level 1 – Implement Management Measures; or Level 2 – Contingency Phase).• Summary of any observed and/or reported incidents, service difficulties, asset owner complaintsor community complaints related to subsidence and a summary of WCPL’s response to theseissues.• Report on any unusual subsidence development (to facilitate early detection of potentialsubsidence impacts).A proposed structure of the Monthly Status Update is outlined in Attachment 5.4.2.3 Six Monthly Subsidence Management Status ReportA Subsidence Management Status Report would be prepared to summarise monitoring results for a 6month period. The Subsidence Management Status Report would include:• Current face position of the longwall panel being extracted and a note on the current location ofdevelopment.• Summary of any subsidence management actions undertaken by WCPL in the period subsequentto the last regular submission of the Subsidence Management Status Report.• Summary of any comments, advice and feedback from consultation with stakeholders in relationto subsidence management undertaken in the reporting period and a summary of WCPL’sresponses.• Comprehensive summary of all observed and/or reported impacts, including a revisedcharacterisation of the impact (i.e. Normal – Predicted Impact; Level 1 – Implement ManagementMeasures; or Level 2 – Contingency Phase).• Any proposed actions resulting from observations of Level 1 (Implement Management Measures)or Level 2 (Contingency Phase) impacts.• Update on the effectiveness of the contingency measures outlined in any Incident Reportsubmitted (Section 4.2.1).EP/SMP LW7-8 Rev B December 2012 Page 62