Hazards Classification of hazards Risk Risk Assessment Risk Assessment Process Risk factor Risk rating Score Critical task

1.  RISK ASSESSMENT
 Dredging and Reclamation works for
Development of 4th Container Terminals
BMCT/JNPT-4
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Prepared By
Soumen Makar

2.  Hazards
 Classification of hazards
 Risk
 Risk Assessment
 Risk Assessment Process
 Risk factor
 Risk rating Score
 Critical task
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3.  Hazard
A hazard is any practice, behaviour, substance, condition, or
combination of these that can cause injury or illness to people, or
damage to property.
 Risk
Risk is the chance or probability that a person will be harmed or
experience an adverse health effect if exposed to a hazard. It may
also apply to situations with property or equipment loss.
 Risk Assessment
A risk assessment is a thorough look at your workplace to identify
those things, situations, processes, etc that may cause harm,
particularly to people.
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4.  biological - bacteria, viruses, insects, plants, birds, animals, and
humans, etc.,
 Chemical - depends on the physical, chemical and toxic properties of the
chemical.
 ergonomic - repetitive movements, improper set up of workstation,
etc.,
 physical - radiation, magnetic fields, pressure extremes (high pressure or
vacuum), noise, etc,
 psychosocial - stress, violence, etc.,
 safety - slipping/tripping hazards, inappropriate machine guarding,
equipment malfunctions or breakdowns
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classify hazards is by category:

5. Risk assessments are very important as they form an
integral part of a good occupational health and safety
management plan.
help to:
 Create awareness of hazards and risks.
 Identify who may be at risk (employees, cleaners,
visitors, contractors, the public, etc).
 Determine if existing control measures are adequate or if
more should be done.
 Prevent injuries or illnesses when done at the design or
planning stage.
 Prioritize hazards and control measures.
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6. The Number of people that could be affected N
The Severity of like injuries ,effect on health that
persons could Suffer
S
The likely hood of harm Actually Occurring L
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7. Number of
people Affected
(N)
Severity/Effect
on Heath (S)
Likelihood of
Occurrence (L)
Risk
Rating
Score
N*S*L
Factor Score Factor Score Factor Score
1.Person 1 Negligibl
e
1 Improbabl
e
0.5
2-5
Persons
2 Minor 2 Remote 1
5+Persons 3 Major 5 possible 5
Public/Vul
nerable
People
3 Fatal
Death
10 Likely 10
certain 20
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8. Factor Injury Effect on health
Negligible Bumps /Small Cuts/Abrasions Headache, Body pain,
general Lethargy
Minor Injuries resulting in time off work .That
is person has to leave site for treatment
Fever ,Diarrhea/Stiffness
of limbs
Major Broken/fracture/amputation/3 Degree
Burn/Eye Injuries/
Permanent or temporary
Disabilities /Hearing Lose
Fatal/ Death Fatal fatal
Improbable Probability close to zero
Remote Unlikely
Possible Could Occur Some Times
Likely No Surprise that it will Happen
Explanation of Likelihood factor
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9. Risk Score Action t be taken
<10 Risk
Acceptable
Work activity can continue.
10-19 Risk is Low Action is required to reduce the Risk, Although
low priority.
20-49 Risk Is
medium
Action required soon to control.
Interim Measures required. Significant Time
and Money may be required to control the risk.
50-99 High Risk Urgent Action required.
Interim Measures required. Significant Time
and Money may be required to control the risk.
>100/100+ Very High
Risk
Totally Unaccepted.
Immediate action required to bring RRS below
100 Before work activity can continue
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10. The Main Three Factors are:-
Severity Potential (S)
Frequency of Exposure.(F)
Probability of Loss (P)
Criteria Score
No injury or illness 0
Minor injury /illness without lost time 2
Lost time injury/ illness without
permanent disability
4
Permanent Disability or loss of life or
body part
6
Severity Criteria (S)
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Data Sheet-
1/procedure -22

11. Number of
persons
Performing
task
Numbers of times task is performed by each
persons
Less than
daily
Few times
per Day
Many times per Day
Few(1-5) 1 1 2
Moderate
Number (6-20)
1 2 3
Many>(21)2 2 3 3
Probability(P)
Likely hood of loss occurring
-1 Low probability of loss
0 Moderate probability of loss
+1 High probability of loss
Data Sheet-
1/procedure- 22 3/23/2017 11

12.  Criticality =S+F+P
 If criticality is more than the task is critical.
 Higher the Number ,higher is the priority of the
task.
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Data Sheet-
1/procedure 22

13. Electrician
Sl .No Task /Activities Hazards S F P C Remarks
1 Earthling Connection Minor Injury 2 1 -1 2
2 Laying Electrical circuit Minor Injury 2 1 -1 2
3 Working on life
circuit/checking
Electrocution 6 1 0 7 CT
Unskilled Worker
Sl .No Task /Activities Hazards S F P C Remarks
1 Manual handling Injury to self
and others
4 3 -1 6
2 Handling hazardous
Substance
Diseases 4 3 0 7 CT
3 Guiding Vehicles or
Performing Flagman
Duties
Injury to self 4 2 -1 7 CT
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14. site System
/Activities
Assessment Date
Group Of
Assessors
Revision No
1. Reviewed
2. By Reviewed On
3.
Sl.N
o
Task/Ac
tivities
R/N
R
Ha
zar
ds
Haz
ards
Effe
cts
Risk
Evaluation
Acceptable/
Low/
Medium/Hi
gh/very
High
Control
Measure
Residual
Risk
Risk Evaluation
Acceptable/Low
/
Medium/High/
very High
Remarks/
SHOP
N S L P
R
S
N S L
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