Riesgos Operacionales

Driver loss of
attention (due to
phone,
controlling radio,
fatigue, eating
etc.)

These are Threats, they
cause the central Top Event

Unwanted scenarios

The Hazard is the potentially
dangerous aspect in your organisation

Driving a car
Intoxicated
driving

BowTies give you an overview
of all the scenarios that you do
not want to happen, centered
around the Top EventThese are Consequences, they
are the different scenarios that
can result from the Top Event

Crash into other
car or
motionless
object resulting
in injury

Blowout (tire)

Unexpected
manoeuvre from
nearby car

Losing
control over
the car

Crash into deep
water resulting
in confined
space

Hitting a
pedestrian/cycli
st
Slippery road
conditions
Vehicle roll-over

Unevenroad
surface

Poor visibility
(external)

Controls can be proactive, preventing or stopping a scenario before it
develops into an uncontrolled state
Escalation factors weaken
the integrity of
a Control
Driver needs to
communicate
urgently

Intoxicated
driving

Driver loss of
attention (due to
phone,
controlling radio,
fatigue, eating
etc.)

Limit mobile phone
use in carControls can also be reactive. They
get you back to a controlled situation once control is lost.

Regular driving
breaks

Escalation
Factor Controls
control Escalation Factors

Provide hands free
set

Periodic medical
examination for
professional
drivers

Driving a car

Breath alcohol
ignition interlock
device

Head rest adjusted
to appropriate
height

Wearing aseatbelt

Defensive driving

Losing
control over
the car

Competence in
confined space
rescue

Crash into deep
water resulting
in confined
space

Impact knocks
driver
unconscious

Unexpected
manoeuvre from
nearby car
Adjust car mirrors

Slippery road
conditions

Defensive driving

Listen to weather
report and adjust
driving schedule
accordingly

ABS

Hitting apedestrian/cycli
st
ABS

External airbag

Vehicle roll-over
Uneven road
surface

Roll-over
protection

Pre-journey
planning

ABS

Car lights are
turned on

Defensive driving

Poor visibility
(external)

Crumple zone

Forgetting/refus
ing to wear
seatbelt

Agreeing on a
designated driver

Blowout (tire)
Tyre integrity
system

Controlling those scenariosAirbag

Crash into other
car or
motionless
object resulting
in injury

Driver loss of
attention (due to
phone,
controlling radio,
fatigue, eating
etc.)

Adding extra information
Limit mobile phone
use in car

Regular driving
breaks

Driver needs to
communicate
urgently

DR Driver

DR Driver

PE People

PE People

Control effectiveness can be
assessed and visualisedusing
colors.

Provide hands free
set
DR Driver

Head rest adjusted
to appropriate
height

PR Process

Wearing a seatbelt

Crumple zone

Airbag

DR Driver
Intoxicated
driving

Periodic medical
examination for
professional
drivers

Breath alcohol
ignition interlock
device

Agreeing on a
designated driver

EN Engineer
HW Hardware

EN Engineer

EN Engineer

PEPeople

HW Hardware

HW Hardware

DR Driver

DR Doctor

DR Driver

PE People

PE People

PR Process

Driving a car

Forgetting/refus
ing to wear
seatbelt

Blowout (tire)
Tyre integrity
system
MM Maintenance
Manager
PR Process

Defensive driving
Losing
control over
the car

DR Driver
PE People

Competence in
confined space
rescue

Crash into deep
waterresulting
in confined
space

DR Driver
PE People

Impact knocks
driver
unconscious

Unexpected
manoeuvre from
nearby car
Adjust car mirrors

Defensive driving

ABS

DR Driver

DR Driver

EN Engineer

PE People

PE People

HW Hardware

Slippery road
conditions

Control types help to analyse
where potential common mode
failures in the organisation are

Hitting...