DATE REF.
: : HAZID Workshop
SUBJECT
:
RISK CLASSIFICATION MATRICES
Consequence g n i t a R y t i r e v e S
t n e m n o r i v n E
s t e s s A
e l p o e P
Increasing Probability n o i t a t u p e R
y t i r u c e S
0
No health effect/injury
No
1
Slight health effect/injury
Slight damage
Slight effect
Slight impact
Slight effect
2
Minor health effect/injury
Minor damage
Minor
Limited impact
Minor
3
Major health effect/injury
Localized damage
Localized effect
Considerable impact
Local effect
4
Single fatality
Major damage
Major
National impact
Major
5
Multiple fatalities
Extensive damage
Massive effect
International impact
Massive effect
damage
No
effect
ref.: 61225661.docx
effect
effect
No
impact
No
Never heard of in E&P industry
A
Heard of in E&P industry
B
Incident has occurred in our company
C
Happens several times per year in our company
D
Happens several times per year in a location
effect
effect
effect
printed 20-Jun-11
note
page 1/5
E
Consequence y t i r e v e S
0 1
2
3
4
Increasing Probability
People
No
health effect / injury Slight health effect / injury
Minor
health effect / injury
No
heard of in E&P industry
Heard of in E&P industry
B Incident has occurred in our company
C Happens several times per year in our company
D Happens several times per year in a location
injury or damage to health
Not
detrimental to individual employability or to the performance of present work. Agents which are not hazardous to health. Detrimental to the performance of present work, such as curtailment of activities ore some days¶ absence to recover fully, maximum one week. Agents that have limit ed health effects which are reversible, e.g. irrit ants, many food poisoning bacteria.
health effect / injury
Leading to permanent partial disabl ement or unfitness for work or detrimental to performanc e of work over extended period, such as long term absence. Agents that are capabl e of irreversible damage without serious disability, e.g. noise, poorly designed manual handling tasks.
Single fatality
Also includes the possibility of multiple fatalities (maximum 3) in close succession due to th e incident, e.g. explosion. Agents that are capable of irreversible damage with serious disability or death, e.g. corrosives, known human carcinogens.
Major
Never
A
May
5
Multiple
fatalities
include four (or more) fatalities in close succession due to the incident or four (or more) fatalities each at different points and / or with different activities. Agents with potential to cause multiple fatalities, e.g. chemicals with acute toxic effects (e.g. hydrogen sulphide, carbon monoxide), known human carcinogens.
note
page 2/5
E
Consequence y t i r e v e S
Increasing Probability
Assets
0
No
1
Slight damage
2
Minor
3
Localized damage
Plant partly down, process, can (possibly) be restarted, estimated costs of repair below USD 1,000,000.
4
Major
Partial loss of plant, plant shut down for at most two weeks and / or estimated costs of repair below US D 10,000,000.
5
Extensive damage
damage
damage
damage
No
Never
heard of in E&P industry
A Heard of in E&P industry
B Incident has occurred in our company
C Happens several times per year in our company
D Happens several times per year in a location
damage to equipment
No
disruption to the process, estimated costs of repair below USD 10,000.
Possible brief disruption to the process, isolation of equipment for repair, estimated costs of repair bel ow USD 100,000.
Total loss of plant, extensive damage, estimated costs of repair exceeds USD 10,000,000.
note
page 3/5
E
Consequence y t i r e v e S
Environment
0
No
1
Slight effect
financial consequences; local environmental risk; within the fence and within systems
2
Minor
Contamination; damage sufficiently large to attack the environment; single exceedence of statutory or prescribed criteria; single c omplaint; no permanent effect on the environment
3
Localized effect
Limited loss of discharges of known t oxicity; repeated exceedence of statutory or prescribed limit and beyond fence/neighbourhood
4
Major
Severe environmental damage; the company is required to take extensive measures to restore the contaminated environment to its original st ate. Extended exceedence of statutory or prescribed limit.
5
Increasing Probability
effect
No
Never
heard of in E&P industry
A Heard of in E&P industry
B Incident has occurred in our company
C Happens several times per year in our company
D Happens several times per year in a location
financial consequences; no environmental risk
Negligible
effect
effect
Massive
effect
Persistent severe environmental damage or nuisance extending over a large area. In terms of commercial or recreational use or nature conservancy, a major economic loss for the company. Constant high exceedence of statutory or prescribed limit.
note
page 4/5
E
Consequence y t i r e v e S
Increasing Probability
Reputation
0
No
1
Slight impact
Public awareness of the incident may exist; there is no public concern.
2
Limited impact
Some local public concern; slight local media and/or local political attention with potentially negative aspects for company operations.
3
Considerable impact
4
National
5
International impact
impact
impact
No
Never
heard of in E&P industry
A Heard of in E&P industry
B Incident has occurred in our company
C Happens several times per year in our company
D Happens several times per year in a location
public awareness
Regional public concern. Extensive negative attention in local media; slight national media and/or local/regional political attention with possibly negative st ance of local government and/or action groups. National public concern. Extensive negative attention in national m edia and/or regional national policies with potentially restrictive measures and/or impact on grant of licenses, mobilisation of action groups. International public attention. Extensive negative attention in international media and national/international policies with potentially severe impact on access to new areas, grants of licenses and/or tax legislation.
note
page 5/5
E
