Electrical Safety in Mines

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Electrical Safety in Mines

• Mine Equipment Design, Selection and Maintenance
• Electrical Systems Module
• Craig Mackenzie
• 100005789

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General Responsibilities Legal Requirements State
and Federal Regulations Responsibilities Training
Electrical Contractors Licensed Electrical
Workers Licensed Other Workers Common sense,
Knowledge
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Electrical Work
Work On or Near Live Equipment Work Permit, Risk
Assessment, Isolation of Power Source Safety of
Equipment Faulty Equipment Hazardous
Areas Explosive and Fuel Stores, Gas Accumulation
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Non-Electrical Work Near Electrical Lines or
Equipment
Clearances to Overhead Powerlines No Go Zone,
Spotter, Inside No Go Zone Excavations Site
Records, Disturbing cables Stockpiling Ground
Clearance, Blasting Flying Debris, sensitive
protective devices
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Protection Testing Equipment
Residual Current Devices Proper application High
Voltage Equipment Interlocking Shutout Inspection
and Testing Inspection Before First Use, After
Repairs Regular Intervals Earthing Lightning
Conductor Proper Installation, Fouled
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Protection Testing Equipment
Switch Rooms Access by Personnel Isolating
Switches All Electrical Equipment, Easy
Access Fire Management Fire Training, Fire
Control Systems, Fire Extinguishers
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Records
Electrical Equipment Plans of Electrical
Equipment, Powerlines, Underground Cables, Switch
Room Wiring Diagrams Tests Inspections Repairs,
Faulty Equipment Circuit Breakers Fuses Tripped
Breakers, Blown Fuses
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Underground Mine Provisions
Switch Rooms Debris Moisture, Fire Fighting
Equipment Isolating Switches Low High
Tolerance Cables Conductors Inspections,
location, shielding High Voltage
Equipment Trailing Cables, Abrasion, Crushing
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Underground Mine Provisions
Battery Electric Locomotives Repair Charging
Stations, Lined Ventilated