Winding enginemanRules- Regulatory designation
- Competent winding engineman (Mines Regs 2014; Mines (Shafts and Winding) provisions); night worker (WTR 1998 reg 2) - free health assessment, reg 7
- Hours and rest
- WTR 1998: 48 h avg (opt-out allowed), 11 h daily rest, night work avg 8 h in 24 (reg 6)
| Critical risk | Driving the shaft winder carrying people and rock; signalling, speed and overwind control; long low-stimulus monitoring through the night | 8-12 h shifts incl. nights, long low-stimulus monitoring, often alone in the winder house |
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Dump truck driver (quarry)Rules- Regulatory designation
- Night worker (WTR 1998 reg 2) - free health assessment, reg 7; Quarries Regs 1999 (no fatigue provision)
- Hours and rest
- WTR 1998: 48 h avg (opt-out allowed), 11 h daily rest, night work avg 8 h in 24 (reg 6)
| High risk | Driving a 200-300 t haul truck through the 02:00-06:00 window; ramp descents, dumping at crest/edge, intersections with light vehicles; monotony between loads | Mostly day shifts with early starts; some 24 h quarries and potash operations run nights |
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Underground loader operator (potash/polyhalite mine)Rules- Regulatory designation
- Night worker (WTR 1998 reg 2) - free health assessment, reg 7; Mines Regs 2014 (no fatigue provision)
- Hours and rest
- WTR 1998: 48 h avg (opt-out allowed), 11 h daily rest, night work avg 8 h in 24 (reg 6)
| High risk | Operating loaders (LHD/bogger), continuous miners or shuttle cars in confined headings; tele-remote bogging at the stope brow; vehicle-pedestrian interaction in low light | 12 h rotating day/night underground with no daylight cues, heat, FIFO swings, long travel in and out of the decline |
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ShotfirerRules- Regulatory designation
- Competent shotfirer appointed by the quarry operator (Quarries Regs 1999 explosives provisions; Explosives Regs 2014); night worker (WTR 1998 reg 2) - free health assessment, reg 7
- Hours and rest
- WTR 1998: 48 h avg (opt-out allowed), 11 h daily rest, night work avg 8 h in 24 (reg 6)
| High risk | Charging and tying-in blast holes, misfire handling, clearing and guarding the blast area, firing near shift change; re-entry decisions after the blast | Blasting at shift change or end of night shift, time pressure to fire on schedule, 12 h rotations |
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Shift manager / competent inspector (mine or quarry)Rules- Regulatory designation
- Competent person appointed to inspect (Mines Regs 2014; Quarries Regs 1999); night worker (WTR 1998 reg 2) - free health assessment, reg 7
- Hours and rest
- WTR 1998: 48 h avg (opt-out allowed), 11 h daily rest, night work avg 8 h in 24 (reg 6)
| High risk | Pre-shift and in-shift inspection for gas, ground and ventilation; deciding whether crews may enter; gas testing and reporting at the end of a night shift | 12 h rotating shifts with inspections timed at the start of each shift, including the 04:00-06:00 low |
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Maintenance fitter (quarry/mine)Rules- Regulatory designation
- Night worker (WTR 1998 reg 2) - free health assessment, reg 7; Mines Regs 2014 / Quarries Regs 1999
- Hours and rest
- WTR 1998: 48 h avg (opt-out allowed), 11 h daily rest, night work avg 8 h in 24 (reg 6)
| High risk | Isolation and lock-out of HV and mobile plant, work under raised loads, haul truck tyre changes, conveyor repairs during night shutdowns | 12 h rotating shifts, night shutdowns and call-outs, overtime during planned shutdowns |
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