Uploaded by Anoop Surendran

Risk Assessment for Protection of Existing Underground Utilities

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Hazard Identification, Risk Assessment and Determining Control
/ Evaluation
Contract Number / Name :
AL SAILIYA and WEST MUATHER to FUROUSIYA STREET SURFACE WATER – DW081
Description
Risk Assessment for Protection of Existing Underground Utilities
Risk Assessment compiled by
Jaafar S. Saeed
Date Risk assessment Compiled:
25 November 2018
S/
N
Hazard
Process
Access and Egress
1
Slip, Trips and
Falls
Position of the
Company
Signature:
Risk and Identified
of person who
might be harm
Risk Assessment no:
Date Risk assessment due a review:
Risk Rating
S
F
Rating
DW081-ALW-CON-MST-00013
HSE Manager
26 December 2018
Body fracture /
Fatality
Ensure all operatives involve in the work are
attending Toolbox Meeting and able to go
through with the briefing
Work force working at
existing underground
Provide clear and defined walkways (access
& egress)
3
4
12
Risk Rating
Necessary Control Measures
Remove trip hazards around site, store
materials / plant in designated areas as per
the site plan. Maintain a tidy site
Access to the existing underground will be
through a steel shaft ladder. Intermediate
landing shall be placed at max 6m interval.
S
L
Action
placed on
Rating
Site
Engineer /
foreman
/HSE officer
3
1
3
Manual Handling
Musculoskeletal
disorders
Body pain
Appropriate PPE to be use by all operatives
for their protection
Workers associated at
manual lifting
Do not attempt to lift any load that seems
heavy.
3
2
3
9
Use correct manual handling technique
Site
Engineer /
foreman
/HSE officer
3
1
3
Share or split load with other operatives
General Protection
3
Site hazards to
public from plant,
equipment,
substances,
materials and site
Use correct gloves to protect from sharp
edges
Ensure agreed working area is barricaded
with concrete blocks and be secured
Physical Injuries
Pedestrian passing
through the work site
Site
Engineer /
foreman
/HSE officer
Perimeter signing, “Construction site danger
keep out” to be displayed on perimeter.
Erect Safe arrival & leave company display
sign at entrance.
3
4
12
Visitors to report to the site office and sign
visitors register
Lockable gates, huts/containers secured and
locked
Remove and secure ladders from existing
underground utilities/excavations, shaft etc.
Ensure all workers are stable, secure
materials stocked piled and tidy site at the
end of each shift.
3
1
3
Use of Hand Tools
Cuts and
abrasions, flying
objects
All tools to be maintained in good
condition
General site
Workers,
4
Site
Engineer /
foreman
/HSE officer
Tools to only be used for the task intended
in line with any manufactures instructions
4
3
12
All tools to be inspected by the user prior
to use
All tools to be appropriately stored to
avoid damage
4
1
4
All damaged tools to be removed from use
immediately
Appropriate PPE to be supplied and worn
as identified
Hand arm
vibration
5
Exposure to
occupational
injuries to blood
vessels, nerves
and joints
Prevent use of tools by unauthorized
persons
Tools with built in vibration dampener
protection to be used where available
Person operating the
Hand Tool/Machine
and General Workers
5
3
15
Gloves to be worn when using tools that
generate vibration or impact
Vibration training/toolbox meeting to be
completed for all operatives,
Any existing conditions or new symptoms
to be referred to occupational health
advisor
Site
Engineer /
foreman
/HSE officer
5
1
5
Noise
6
Exposure to high
levels leading to
occupational
hearing loss
Most work is restricted to short
duration
General workers
and visitors
Site
Engineer /
foreman
/HSE officer
Use self-dampening tools where available
4
4
16
Appropriate PPE to be supplied and worn
as identified
4
1
4
Noise monitoring to be carried out for
tasks and equipment that fall outside the
scope of short duration
Lifting using chain
block and
installation of Ibeam
7
Drop load, Sling
failure/broken
Hearing protection to be worn for all
equipment that exceeds levels of 85db
Ensure to inspect the chain block and the
sling to be used for the protection of any
existing water pipes
Physical injury
Operatives working at
the bottom
Site
Engineer /
foreman
/HSE officer
Ensure installation plan must be in briefed to
all involved before any installation takes
place
4
3
12
Lifting equipment (Chain block) to be
certified by 3rd party agency and visually
checked by the activity supervisor before
use.
No person is allowed to work under a
suspended load (water pipe line) in a long
period of time without a watcher.
Good communication between the installers
and helpers to be in place
4
1
4
S/N
8
Process
Working in a
confined space
Hazard
Hazardous
atmospheres
Oxygen level (Min
& Max)
H2S
Carbon monoxide
due to traffic and
fumes from plant
and engines
Fire or explosion
Dehydration
Risk and Identified of
person who might be
harm
Risk Rating
Risk Rating
Permit to work in place (Confine Space)
Fatality
Burns
The atmosphere (Air Level and H2S) shall be
tested and monitor before the workers enter
the manhole pit and tunnel.
Workers working on
the confine space
An emergency rescue plan should be in place
before work begins inside the excavation.
4
3
12
All workers entering to the confine space
must be trained by 3rd a party
No workers shall allow entering the tunnel if
there is a hazardous atmosphere detected.
Progressive installation of forced air
ventilation system installed in the tunnel
until it’s safe to work
Smoking or use of mobile phone is forbidden
in a confine space
Drink water before working in the tunnel
and keep hydrated during the working
activity
Follow the Method statement procedure
and rest if necessary
Action
placed on
Site
Engineer /
foreman
/HSE
officer
Ensure all operatives working in a confined
space had undergone Special Training in
working in a confined space and certified
with 3rd Party.
Workers working on
confine space
Loss of consciousness
owing to increased
body temperature
(heat stress)
Controls introduced to reduce risk
4
1
4
Do not go to the tunnel if medically unfit.
Working with cable
/ distribution boxes
Electrocution
Only trained and competent tunnelling
electrician is allowed to connect or
disconnect the TBM or generator
Burns injuries
Workers working on
the electric cables and
connection
Any damages found to the power
cable/plugs or electrical devices report
immediately to the foreman
4
9
Site
Engineer /
foreman
/HSE
officer
2
8
Distribution boxes from control cabin must
be locked at all time to prevent
unauthorized access.
4
1
4
Tunnel invert shall be maintained dry and
power cables installed at axis level
All protective circuitry to be maintained
operational
Protection of the
Existing Pipe line
Water with
pressure flushing
to eyes
Supervisor to ensure proper pre start
briefing
All workers working
for the protection
Flooding
10
3
4
12
Ensure good working platform and if
working at height above 2.0 M, safety
harness must be use
Supervisor to ensure the installation of Ibeam is secured
Ensure to deploy trained workers for the
job
3
2
6
Site
Engineer /
foreman
/HSE
officer
Supervisor to ensure proper ventilation on
the area
Ensure operatives working with electrical
tools are competent and with experience.
Unauthorised
access
11
S/N
Process
Emergency
procedure
12
Fall in existing
underground,
Collapsed of
the
underground
utilities
Hazard
No available
notice boards
posted at the
sites
Lack of
responsible
person in
case of
emergency
situation.
Ensure Site will secured with concrete
barriers
Body fracture
Public / stake holder
4
Risk and Identified of
person who might be
harm
2
8
Appoint person to monitor all movement
at the top of the underground utility
Safety poster must be posted on the site
boundary to aware the public that work
is on progress and no authorised
personnel will enter in the work area
4
F
Rating
Skin allergy, ill health
issue
4
Action
placed on
Risk Rating
Risk Rating
S
1
Controls introduced to reduce risk
S
L
Rating
Site
Engineer /
foreman
/HSE officer
All must know whose contact person
& response team at the Project Sites.
Labour, Pipe fitter,
mason
3
4
12
Designated emergency instruction
notice boards must be informed &
cascaded to all thru TBT / Internal
Training.
Stand-by emergency vehicle must be
prepare & available during the course
of works.
Site
Engineer /
foreman
/HSE
officer
3
1
3
Missing
emergency
vehicle
Unavailability
of First Aider
Responsible In-Charge must explain
the location of access, emergency
routes, and locations of fire point’s
box.
Consider all areas on site are well
illuminated/lighted
Established Contact for key
personnel for Emergency
Situation
Ensure ALL aware & understood
the Emergency Procedure & Plan
during excavation works.
Ensuring the First Aid kits box is
available at all time.
Stand-by Certified First Aider (if
works commencing at the night shift
operation).
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