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Quarry Hazard Appraisal - PowerPoint PPT Presentation


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Quarry Hazard Appraisal. Group D – SW Sector. The Quarry. The South-West Sectors. 4. 3. 2. 1. Sector 3. Excatavion side Will be extended over the next production cylces Bench hights 10.12 m with an over all slope Angle of 45 ° and a face angle of 23°

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QuarryHazardAppraisal

Group D – SW Sector

sector 3
Sector 3
  • Excatavionside
  • Will beextendedoverthenextproductioncylces
  • Benchhights 10.12 m with an over all slope Angle of 45° and a face angle of 23°
  • Benchwidthisapprox. 30 m toenable save workingspacefor heavy machinery
  • Rocktraps secure man andmachineryfrom potential rockfall – sufficientsize
sector 3 hazards
Sector 3 Hazards
  • Dominant Joint intersectwithblastingpattern
  • Secondaryjointingruns 35° toit
    • This cancausesmalscalewedges
  • Waterrunoffcanincreasepossiblerockfall