Week 5 - Lecture 9 - Safety Science: An Introduction

Question 1

What are barriers used for?

Answer 1

1. To lower the chances of an incident occurring / preventing incidents;
2. To reduce the impact of an incident.

Question 1

Barrier

Answer 1

An obstruction or hindrance (or defence) that may prevent or lessen the impact of and unwanted consequence

Question 2

Prevention control

Answer 2

Mechanism to reduce the likelihood of an incident

Question 3

Incident

Answer 3

Any risky event that is taking place (without regard of the magnitude of that event)

Question 4

Crisis

Answer 4

A subset of an incident; it has to be a big incident

Question 5

Mitigation control

Answer 5

Barriers that help reduce the impact of an incident

Question 6

AND gate (logic gates)

Answer 6

Both things beneath the gate must materialise for the thing above to gate have to happen.

Question 7

OR gate (logic gates)

Answer 7

Only one of the things beneath the gate will have to happen, the other doesn’t necessarily have to happen in this moment for the things above the gate to happen.

Question 8

Risk management

Answer 8

Set of procedures that businesses, companies and public organisations take to try and get a handle on certain risks. It is about anticipatory control (things that haven’t happened yet and try to manage it).