Quarry Hazard Appraisal for South-West Sector 3: Excavation and Safety Measures

Jan 03, 2026

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This appraisal focuses on the Quarry located in the South-West Sector, assessing the conditions of Sector 3. Excavations are set to be extended over the upcoming production cycles, with bench heights of 10-12 meters and an overall slope angle of 45°, alongside a face angle of 23°. The bench width of approximately 30 meters facilitates efficient heavy machinery operations. Key hazards identified include dominant joint intersections with blasting patterns, secondary jointing at 35°, and potential rockfalls exacerbated by water runoff. Visual documentation of the sector is included.

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Quarry Hazard Appraisal for South-West Sector 3: Excavation and Safety Measures

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Presentation Transcript

QuarryHazardAppraisal Group D – SW Sector
The Quarry
The South-West Sectors 4 3 2 1
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 • Dominant Joint intersectwithblastingpattern • Secondaryjointingruns 35° toit • This cancausesmalscalewedges • Waterrunoffcanincreasepossiblerockfall
Sector 3
Pictures