HAZOP Flashcards
1
Q
Definition of HAZOP
A
the application of a formal, systematic,critical examination of the process and engineering intentions of new facilities to assess the hazard potential of mal-operation of individual items of equipment and the consequential effects on the facility on a whole
2
Q
Hazard analysis
A
- identification of undesired events which lead to the materialisation of a hazard
- analysis of mechanisms by which these undesired events could occur and estimation of the magnitude and the likelihood of any harmful events
3
Q
HAZOP features
A
- aims to stimulate the imagination of designers and operators in a systematic manner so that they can identify the causes of potential hazards in the design
- flexible
- applicable to wide range of industrial installations
- should be used when modifications are made to the original system
4
Q
HAZOP methodology
A
- performed by team of experts
- systematic consideration of each plant item
- uses guideworkds to determine consequences outside of design intent
5
Q
Define intention
A
how the part is expected to function
6
Q
Define deviation
A
departures from the system design which are discovered by systematic application of the guide words
7
Q
Define causes
A
reasons why deviations occur
8
Q
Define consequences
A
the results of the deviations
9
Q
Define hazards
A
situations which can cause damage, injury or loss
10
Q
NO/NOT
A
- parameter is zero
- something does not happen but no other effect
11
Q
MORE THAN/LESS THAN
A
- increases or decreases in process parameter
- process parameter not normal
12
Q
AS WELL AS
A
- qualitative increase
- some additional effect
13
Q
PART OF
A
- qualitative increase
- partial effect
14
Q
REVERSE
A
- opposite
- reverse material or flow
15
Q
OTHER THAN
A
- substitution
- totally different effect
