Fatigue can reduce attention, memory, judgement and reaction time. In data-center operations, these effects are particularly important during night work, long maintenance windows and extended incident response.
Recognize fatigue as an operational risk
ISO 45003:2021 provides guidance for managing psychosocial risks within an occupational health and safety management system. Workload, working hours and organizational factors can contribute to risk.
Plan high-risk work carefully
Complex switching, shutdowns and integrated tests should consider working hours, team size, breaks, supervision and escalation support rather than only the technical schedule.
Avoid excessive dependency on overtime
Repeated overtime can increase fatigue and also indicate insufficient staffing or poor maintenance planning. Organizations should monitor patterns rather than treat overtime as unlimited capacity.
Use peer support during abnormal conditions
During major incidents, a second qualified person can help verify decisions, maintain logs and reduce cognitive overload on the primary operator.
Review after prolonged incidents
Recovery planning should include relief of personnel after extended response periods so tired staff are not immediately assigned to another high-risk task.
References
- ISO 45003:2021, Psychological health and safety at work — Guidelines for managing psychosocial risks.
- ISO 45001:2018, Occupational health and safety management systems.
