⛏️ Highwall Mining Operations & Safety Management – DGMS Guidelines

access_time 2025-11-04T18:05:35.449Z face Online Mining Exam
⛏️ Highwall Mining Operations & Safety Management – DGMS Guidelines Introduction Highwall Mining (HWM) is an advanced semi-mechanized method where coal is extracted from exposed seams after opencast mining becomes uneconomical. While it offers higher recovery with minimal manpower, the safety manage...

Mine Drainage & Water Management in Box Cut Areas – DGMS Exam Notes

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Mine Drainage & Water Management in Box Cut Areas – DGMS Exam Notes 🏗️ Introduction In opencast mining, the box cut acts as the first excavation — often below natural drainage level. Accumulated rainwater, seepage, and groundwater inflow can lead to slope instability, dump erosion, and equipment ac...

Mine Sumps & Pump House Design – DGMS Regulation 130 Explained

access_time 2025-10-30T16:28:37.372Z face Online Mining Exam
Mine Sumps & Pump House Design – DGMS Regulation 130 Explained Introduction 💧 Mine Sumps & Pump House Design – DGMS Regulation 130 Explained Effective drainage is the backbone of safe mine operations. Improper sump and pump arrangements can lead to waterlogging, equipment damage, and fatal inundati...

Mine Drainage & Water Control in Mines – DGMS Exam Notes (Reg. 127–131, CMR 2017)

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Mine Drainage & Water Control in Mines – DGMS Exam Notes (Reg. 127–131, CMR 2017) 💧 Mine Drainage & Water Control in Mines – DGMS Exam Notes Water is one of the major hazards in both underground and opencast mining operations. Uncontrolled accumulation can lead to flooding, machinery breakdown, slo...

Mine Ventilation & Airflow Management – DGMS Exam Notes

access_time 2025-10-30T08:26:06.09Z face Online Mining Exam
Mine Ventilation & Airflow Management – DGMS Exam Notes Introduction Mine ventilation is the lifeline of underground mining operations. It provides fresh air, dilutes toxic gases, and removes heat, dust, and fumes generated by machinery, blasting, and workers. DGMS regulations under CMR 2017 (Reg. 1...