Critical Steps Analysis - Risk Assessment

UNI-CAA-HSE-F-0001 Rev 01

Country: Activity: CONCRETE CASTING OF TANK BASE

Date: 29/06/2018 Assessment prepared by:

Involved Risks Existing Control Measure / Action Control measure / Action to implement
Activity Step breakdown Description Initial Risk Residual Risk Expected Level of Comments / Observations
Type of Risk Description Description
Risk
Causes Consequences S P R = SxP S P R = SxP
Preparation of the Working Area Human Risk Slips, Trips and Falls Sprains, Bruises 2 2 4 Proper House keeping at all times 1 1 1
Slips, Trips and Falls Sprains, Bruises 2 1 2 Proper House keeping at all times 1 1 1
Daily planning meetings with airport
representative to get schedule of flights
every morning and inform them of
planned activities.
Training of personnel about the dangers
Human Risk associated with working around
Simultaneous Operations Death, Permanent Disability 4 3 12 aeroplanes. 1 1 1
Works to temporarily stop whenever
aeroplanes are taking off or landing.
All materials to be secured at all times
especially when aeroplanes are taking off
or landing.
Inspection and mobilization of equipment to
the Work Area Slips, Trips and Falls Damage to the equipment 2 1 2 Proper House keeping at all times 1 1 1
Daily planning meetings with airport
representative to get schedule of flights
every morning and inform them of
planned activities.
Training of personnel about the dangers
Financial risk associated with working around
Flight Delays, Damage to aeroplanes and
Simultaneous Operations 3 3 9 aeroplanes. 1 1 1
equipment
Works to temporarily stop whenever
aeroplanes are taking off or landing.
All materials to be secured at all times
especially when aeroplanes are taking off
or landing.

Work space should be adequate with

sufficient room.
Only essential personnel to be allowed in
Sharp edges of timber Cuts, Punctures, Bruising 2 3 6 the work area. 1 1 1
Personnel to use appropriate gloves for
the task.

Proper Manual handling techniques to be

used after training of personnel.
Regular rests for the personnel especially
Manual Handling Musculo-skeletal Injuries 2 3 6 with repeatitive tasks. 1 1 1
Ensure that sufficient number of workers
is available for the task
Work space to always be kept clear
through continuous house keeping.
Only essential personnel to be allowed in
Sharp objects (nails lying around work
Cuts, Punctures, Bruising 2 3 6 the work area. 1 1 1
area)
Personnel to use safety shoes at all times
during the task.

Continuous housekeeping to ensure that

work area is kept clear of all tripping
hazards.
Work should not be done in slippery
Slips, trips and falls Broken bones, bruising 2 4 8 conditions (i.e. when the ground is water 1 1 1
logged or immediately after heavy rains,
etc)
Human Risk Personnel to use non slip safety footwear
at all times
All non essential personnel should leave
the work area.
Falling Debris Getting struck by debris 2 3 6 1 1 1
Steel reinforced footwear to be worn
Shuttering of the area the slab is to be cast. when in the working area.
All works to stop in case of lightening
storms or strong winds.
All materials should always be
secured/anchored.
Regular rests for workers away from direct
Bad weather (Lightening storms, Strong Death (from lightening), Getting struck by sun.
4 3 12 1 1 1
winds, Heat) flying objects, Heat stroke Workers to be provided with sufficient
water to keep well hydrated.
Weather forecast should always be
received by the project manager and
communicated in the morning before
starting work.

Noise (from circular saws) Hearing loss 2 4 8 Use of hearing protection a MUST (Ear 1 1 1
Plugs / Ear Muffs).
No Idlers allowed around the work site
Works are carried out in well ventilated
areas.
Saw Dust Respiratory diseases 2 4 8 1 1 1
Use a appropriate masks whenever
required.
Works are done in an isolated area away
from other workers not involved in the
Environmental Risk Noise Noise Pollution 1 3 3 1 1 1
task.

All non essential personnel should leave

Treatment for injured workers, Rise in the work area.
Financial risk Falling Objects Insurance premiums, Targets not met due 2 3 6 PPE (Helmets, safety glasses) to be worn 1 1 1
to too many injuries when in the working area.

Work space to always be kept clear

through continuous house keeping.
Only essential personnel to be allowed in
Sharp objects Cuts, Punctures, Bruising 2 3 6 the work area. 1 1 1
Personnel to use appropriate PPE (safety
shoes, Gloves) at all times during the task.
 Proper Manual handling techniques to be
used after training of personnel.
Regular rests for the personnel especially
Manual Handling Musculo-skeletal Injuries 2 3 6 with repeatitive tasks. 1 1 1
Ensure that sufficient number of workers
is available for the task

All works to stop in case of lightening

storms or strong winds.
All materials should always be
secured/anchored.
Regular rests for workers away from direct
Bad weather (Lightening storms, Strong Death (from lightening), Getting struck by sun.
4 3 12 2 1 2
winds, Heat) flying objects, Heat stroke Workers to be provided with sufficient
water to keep well hydrated.
Weather forecast should always be
received by the project manager and
communicated in the morning before
starting work.
Correct disc to be used according to the
material to be cut.
Disc revolution rating to be higher or at
Human Risk least equal to the grinder’s revolution
speed.
Disc should be inspected for cracks before
Disc Disintergration Cuts, Amputation, Death 4 3 12 each usage. 1 1 1
Disc not to be twisted in work piece.
Steel bending and fixing in the shuttered area Disc guard MUST be in place and set
(Grinders to be used to cut steel bars to accordingly.
appropriate length) Only skilled Personnel to carry out the
task.
Use of appropriate PPE a must

Use double insulated grinder.

All works to be carried out in a dry
environment.
Inspection of electric cable to be done.
Grinders with Residual Circuit Breaker to
Electricity Electric Shock, Death 3 2 6 1 1 1
be used.
No work to be done in wet conditions.
Pre use checks on the grinder and if found
defective to be repaired or returned to
stores.

Works to be carried out in well ventilated

Fumes Asphyxiation, Cancer 2 3 6 area 1 1 1
Use of appropriate cartridge masks

Remove all fire hazards (combustible

materials) from site.
Fire Burns, Death 4 2 8 Fire extinguisher to be in place during task. 1 1 1
Trained fire fighter / fire marshal to be in
vicinity of activity

Works are carried out in well ventilated

Fumes Air Pollution 1 4 4 1 1 1
areas
Environmental Risk
Works are done in an isolated area away
Noise Noise Pollution 1 3 3 from other workers not involved in the 1 1 1
task
Fire extinguishers are provided all over the
Damage to company property site.
Fire
Financial risk Damage to client property 2 3 6 Staff are also trained in the use of the 1 1 1
Lost time extinguishers so that any fires can be
arrested quickly.

All works to stop in case of lightening

storms or strong winds.
All materials should always be
secured/anchored.
Regular rests for workers away from direct
Bad weather (Lightening storms, Strong Death (from lightening), Getting struck by sun (resting shed to be provided).
4 3 12 2 1 2
winds, Heat) flying objects, Heat stroke Workers to be provided with sufficient
water to keep well hydrated.
Weather forecast should always be
received by the project manager and
communicated in the morning before
starting work.

Risk of cement burns, irritation to the eyes Use of rubber gloves, nose masks and
Cement Dust 2 4 8 1 1 1
etc. safety glasses.

Properly assess the weight of the load

before lifting.
Training of personnel in proper manual
handling techniques.
Manual handling musculo-skeletal injuries and pinch points 2 4 8 Call for help while lifting heavy items (i.e. 1 1 1
two people to lift one bag of cement).
Ensure sufficient number of personnel are
available for the work

Take breaks as prescribed to minimise

exposure.
Mixing and Pouring of the concrete mixture
Noise from concrete mixer/ Vibrator Hearing loss 2 4 8 1 2 2
Human Risk Use of ear plugs/muffs a MUST.
into the shuttered area No idlers allowed around the work site

Toolbox/gang talks to emphasise moving

parts of the equipment being used.
Only authorised personnel to operate
machinery.
Pre-use checks to be done on all
Entanglement leading to loss of limbs or machinery.
Rotating machinery or part of machine 3 4 12 1 1 1
death Use properly fitting PPE
Only authorised personnel to be allowed
near the machines.
Ensure proper communication between
equipment operator and workmates.

Ensure all team members are aware of the

parts on equipment which heat up during
Hot objects (heating parts of
operation.
equipment e.g. exhaust systems, Burns 2 4 8 1 1 1
Only authorised personnel to operate
rotating parts etc.)
equipment.

Ensure that all machinery is positioned on

Machinery tipping over and falling on compacted, levelled, and stable ground.
Uneven ground 3 2 6 1 1 1
personnel Only authorised personnel to operate
equipment.
 Work space should be adequate with
sufficient room.
Only essential personnel to be allowed in
Sharp edges of timber Cuts, Punctures, Bruising 2 3 6 the work area. 1 1 1
Personnel to use appropriate gloves for
the task.

Proper Manual handling techniques to be

used after training of personnel.
Regular rests for the personnel especially
Manual Handling Musculo-skeletal Injuries 2 3 6 with repeatitive tasks. 1 1 1
Ensure that sufficient number of workers
is available for the task

Work space to always be kept clear

through continuous house keeping.
Only essential personnel to be allowed in
Sharp objects (nails lying around work
Cuts, Punctures, Bruising 2 3 6 the work area. 1 1 1
area)
Personnel to use safety shoes at all times
during the task.
Continuous housekeeping to ensure that
work area is kept clear of all tripping
Human Risk hazards.
Work should not be done in slippery
Removing shuttering after curing of concrete Slips, trips and falls Broken bones, bruising 2 4 8 conditions (i.e. when the ground is water 1 1 1
logged or immediately after heavy rains,
etc)
Personnel to use non slip safety footwear
at all times
All non essential personnel should leave
the work area.
Falling Debris Getting struck by debris 2 3 6 1 1 1
Steel reinforced footwear to be worn
when in the working area
All works to stop in case of lightening
storms or strong winds.
All materials should always be
secured/anchored.
Regular rests for workers away from direct
Bad weather (Lightening storms, Strong Death (from lightening), Getting struck by sun.
4 3 12 1 1 1
winds, Heat) flying objects, Heat stroke Workers to be provided with sufficient
water to keep well hydrated.
Weather forecast should always be
received by the project manager and
communicated in the morning before
starting work
All non essential personnel should leave
Treatment for injured workers, Rise in the work area.
Financial risk Falling Objects Insurance premiums, Targets not met due 2 3 6 PPE (Helmets, safety glasses) to be worn 1 1 1
to too many injuries when in the working area.