Control room operator (offshore platform / oil sands upgrader)Rules- Regulatory designation
- Employee at an offshore workplace - impairment incl. fatigue is a prescribed risk (SOR/2021-248 s 37; SOR/2021-247 NL mirror); onshore general duty
- Hours and rest
- Offshore SOR/2021-248 s 39: 11 h rest in 24 h with exception records; onshore provincial ESA
| Critical risk | Monitoring the DCS through the night, alarm handling, start-ups and shutdowns, responding to process upsets and gas detection; shift handover | 12 h shifts with a day/night swing mid-hitch (e.g. 14/14, 2/3), 06:00/18:00 handovers, low-stimulation night vigilance |
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Driller / derrickhand / floorhand (rig technician)Rules- Regulatory designation
- Onshore: Alberta OHS Code general duty; offshore: impairment incl. fatigue is a prescribed risk (SOR/2021-248 s 37; SOR/2021-247 NL)
- Hours and rest
- Offshore SOR/2021-248 s 39: 11 h rest in 24 h with exception records; onshore provincial ESA
| Critical risk | Tripping pipe and making connections on the rig floor, kick detection and well control, monkey-board work at height, handling suspended tubulars | 12 h tours incl. nights on 14/14 or 21/21 hitches, crew changes after long travel, heavy physical load |
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Oilfield hauler / fluid haulerRules- Regulatory designation
- Commercial vehicle driver (Commercial Vehicle Drivers Hours of Service Regs SOR/2005-313; provincial HOS, NSC Standard 9)
- Hours and rest
- SOR/2005-313: 13 h driving and 14 h on duty per day, 8 h off before driving, 10 h off per day; 70 h/7 d or 120 h/14 d
| Critical risk | Driving water, sand, crude and fuel tankers on lease roads and highways at night; loading and unloading flammable product; well-site waiting time | Long on-duty days with waiting time, night driving, remote rural routes, rotational schedules |
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Pipeline control room operatorRules- Regulatory designation
- None specific - CER Onshore Pipeline Regulations / CLC Part II general duty (federal pipelines)
- Hours and rest
- CLC Part III for federal pipelines
| Critical risk | Monitoring and operating hazardous-liquid pipelines through SCADA overnight, leak detection alarm response, starting and stopping pumps, line-pack decisions | 12 h rotating day/night shifts in control rooms, low stimulation punctuated by alarm floods |
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Crane operator (offshore)Rules- Regulatory designation
- Employee at an offshore workplace - impairment incl. fatigue is a prescribed risk (SOR/2021-248 s 37; SOR/2021-247 NL mirror); onshore general duty
- Hours and rest
- Offshore SOR/2021-248 s 39: 11 h rest in 24 h with exception records; onshore provincial ESA
| High risk | Lifting containers and drill pipe between supply vessel and deck in swell, blind lifts on radio, lifts during turnarounds near live plant | 12 h shifts on 2/3 or 14/14 rotations, night lifts, weather-window pressure |
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Turnaround tradesperson / permit issuer (refinery, upgrader)Rules- Regulatory designation
- None specific - provincial general duty (Alberta OHS Code)
- Hours and rest
- Provincial ESA, e.g. Ont. ESA: 11 h daily rest, 8 h between shifts, 48 h/wk unless agreed
| High risk | Isolating, purging and issuing permits-to-work; confined-space entry and hot work; reinstating plant after long consecutive days of turnaround work | Turnaround blocks of 12 h x 14-28 consecutive days incl. nights, contractor surge crews, schedule pressure |
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