9.4 Flashcards
Cap 562 H-60
Points out it is a legal requirement for engineers to make sure they are fit for work
Pre-employment deposition
Some employers may do a medical examination when starting a job to assess the applicant’s fitness and health.
Why is an engineers health and fitness important to their job?
It a compromise their ability to perform maintenance and cary out inspections.
Day to day fitness and health.
Can effect job performance ,physically and cognitively
Physical causes of stress
Heat
Cold
Vibration
Noise
Presence of something hazardous
Phycological causes of stress
Emotional upset
Bereavement
Domestic problems
Worries about health or financial problems
Reactive causes of stress
Such as events occurring in every day life
(Eg. Working under time pressure or encountering unexpected situations)
Signs of stress
Physiological symptoms, sweating or dry mouth
Health effects
Behavioural symptoms, restlessness shaking
Cognitive effects, struggle concentrating
Domestic stress
Stress from home, usually major changes like marriage, birth of a child etc.
Work related stress
Due to general work environment.
Due to a challenging task
Defence strategies (stress)
Strategies involve alleviating the symptoms instead of fixing the source of the problems.
Coping strategies
Involve dealing with the sources of stress rather than just the symptoms
Effects of time pressure
Leads to engineers cutting corners and to stress.
Arousal
A persons readiness or perform work
Overload (workload)
Engineer becomes over aroused when workload is very high
What is a circadian rhythm
Term commonly used to describe the body clock
Sleep deprivation related incidents
Chernobyl - 1986
American Airlines flight 1420 Crash - 1999
Air France flight 447 - 2009
Thomson plane crash - 2013
Croydon tram derailment - 2026
What is physiological fatigue?
It reflects the bodies need for replenishment and restoration.
Linked to physical activity, circadian rhythm, current health
What are the two types of fatigue?
Physiological
Subjective
What is subjective fatigue?
A persons perception of how sleepy they feel.
Time since awakening, and time on task
The main factor for fatigue is time since awakening
Time since awakening, and time on task
The main factor for fatigue is time since awakening
Advantages and disadvantages of shift work.
Advantages:
More days off and travelling to work outside peak traffic times.
Disadvantages:
- working unsociable hours, disrupting time available with friends and family
- working when human performance is the poorest
-problems caused by de-synchronisation and disturbance of the bodies various rhythms.
What’s the biggest difference between substance use and substance abuse.
Th regularity.
