RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

1. Planning No Personal 2 3 6  Ensure and Select competent employees 2 2 4

and coordination injuries  Strictly follow site safety rules
preparation  Ensure clear access is available to move
of work materials in to area.
While  Exclusion zone will be established by using
entering the barricades with warning tapes and suitable
site sign boards will be erected.
 First aider should be available during all
hours of work
 Emergency vehicle should be available
 Ensure to obtain PTW for all specific working
activities.
 Ensure Induction Training for all personal on
site.
 PPE requirements should be complied
2. Loading and Equipment Personnel 3 3 9  Ensure to obtain all required PTW 3 1 3
unloading may over injury and  Obstacle height limit must be followed
turn due to Property  Aviation light and Red flag / Beacon light
bad Ground damages should be fixed on the top of the boom
conditions  Crane setup procedure to be complied with
/Stability/Un outrigger and outriggers fully extended &
derground adequate outriggers pads.
facilities  Operator must check stability, condition of
ground and UG facilities
Prepare the working platform checklist after
inspect the ground condition by site foreman
and site HSE officer

Page 1 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

3. Unloading Overloading Load striking 4 4 16 Materials adjacent to working areas 4 2 8

shuttering the crane against Weight lift to be within capabilities of a hiab.
jack, beyond its objects or Outriggers shall be fully stretched and positioned
shuttering lifting people on a firm ground.
plywood’s capacity. No lifting to be undertaken if wind speed exceeds
and other Failure to use 10 m/s or operatives do not feel safe to do so.
materials outriggers. Operatives to ensure they do not stand beneath a
Adverse suspended load.
Lifting gear to be selected by competent person
weather
capacity & condition must be checked.
condition
Lifting gear to have 6 months inspection. Damaged
(dust & wind)
or faulty equipment should not be used and
immediately quarantined.
Lifts to be in accordance with lift plan. Move &
swing the load slowly and clear the area. Ensure no
workers within the radius. Where necessary tag
lines shall be used.
Trained and certified riggers and operators shall be
engaged when unloading sheet piles or frames.
Maintain safe distance for all working equipment.
Lifting is only allowed on a firm/stable ground. PPE
shall be worn at all times.

Page 2 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

4. Shuttering & Falling down Cuts 3 2 6 Engineers & supervisors to ensure that 2 1 2
reinforceme of the injuries equipment operators are licensed and
nt works for material, experienced and that equipment is suitable for
the raft and sharp edges the works and thoroughly inspected & certified
wall inside by third parties. Engineers to ensure that all
the mobile equipment is undergone an initial vehicle
excavated inspection through the ACG’s HSE team.
trench, Excavation to be inspected by competent person
concreting on weekly basis.
works ,
backfilling
works
5. Protecting Structural Injuries 2 2 4 Protection of site boundaries 2 1 2
existing damage Fall Death No excavation works or general work on site to
structures from height be carried out when ground conditions are too
on site Risk to wet
supporting general Further 6M long sheet piles to be used to
existing public protect structure and to provide safe working
ground area to side excavation
conditions Sheet piles to also provide protection to
excavated trenches when final hand digging may
need to occur

Page 3 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

6. Sheet Piles Fall into Entrapment, 4 4 16 Piles to be positioned adjacent to work. 3 2 6

installation trench, Injury , Death Weight of lift to be within capabilities of hiap.
with tripping Trial lift where piles hoisted approx.150 mm
Vibratory hazard , above ground to be undertaken.
hammer trench Pile quick release shackle to be used prior to
collapse lifting single piles.
Signal man to guide operator while swinging/
lifting pile.
Operatives to ensure they do not stand beneath
a suspended load.
Lifting gear to be selected by competent person
and capacity & condition must check.
Lifting gear to have 6 months inspection.
Damage or faulty equipment’s should not be
used and immediately quarantined.
Lifts to be in accordance with lift plan. Move &
swing the load slowly and clear the area .Ensure
no workers within the radius.
Rigger and general works are to connect /fasten
the safety chain to the sheet pile and step from
the edge of the trench .Maintain safe distance
for all working equipment’s.

Page 4 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

7. Cart-away & Dust. When 2 2 4 Spray the water on the sand to prevent dust 2 1 2
stock operator from flying.
excavated removes the Employees must wearing full PPE all times when
sand in the sand to working (Helmet -Hand Gloves - Safety shoes _
designated designated Goggles- Reflection Vest – dust mask).
area area dust will Proper housekeeping & Barricaded stock
be airborne. materials area from unauthorized people to
entry
8. Excavation Movement of Trapping a 4 3 12 Exclude workers in the vicinity of the excavators 3 2 6
& trimming heavy person and other vehicles by placing physical barriers
works – equipment between the with prohibition and warning signs posted
removing (wheel vehicles around the excavation perimeter. Provided
existing loaders & temporary roadways must be suitable for their
sand & excavators) Striking a purpose and have firm and even surfaces.
rocks pedestrian(s) Where exclusion is not possible – all vehicles
must be installed with revolving lights and
Collision with reverse alarms as well as site operatives are
other vehicles required to wear reflective vest and other
necessary PPE.
Vehicles Engage competent banksman to aid heavy
overturning vehicles on site.
Appoint licensed & experienced operators &
drivers.

Page 5 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

Contact with Burns 4 3 12 Existing buried services to be protected (e.g. 2 2 4

buried Death protecting RCD by sheet pile and securing with
services. Electrocution belts).
Approved drawings to be obtained from
relevant authorities and ensure that they are
notified about the required works.
All equipment shall be serviced at regular
intervals – ensure that planned preventive
maintenance schedule is thoroughly followed.
Suitable hearing protection shall be supplied to
operatives (e.g. ear plugs or muffs).
Mechanical Failure of the 3 3 9 Daily visual checks / inspections and servicing 2 2 4
failure bucket schedules shall be established and followed in
attachment accordance with manufacturer’s instructions. If
on the bucket replacement required on site, the
hydraulic arm operator & workers shall be adequately trained
– excavating to perform the task in a safe manner.
bucket
inadvertently
falls from the
excavator

Page 6 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

Unprotected Falls of 3 3 9 Excavation edges must be protected by physical 2 2 4

edges to the person, barriers or by scaffold protection (double
excavation objects & guardrails with posts installed along the
vehicles excavation). Exclude non-essential personnel.
Re-route other site vehicles away from
excavation area.
Excavated soil to be loaded on tipper truck and
be unloaded at approved stockpile area(s).
Unsuitable Sides collapse 5 4 20 Excavation sides shall be battered forming a 2 2 4
type of Engulfment stable sloping pile – ensure there is sufficient
excavation space to construct this excavation.
support
system
Digging into Sides collapse 5 4 20 Install appropriate dewatering system, such as 2 2 4
or beyond Engulfment diesel pumps to control the groundwater. All
the natural diesel pumps to be kept on metal drip trays with
water table suitable fire extinguishers in place.
9. Movement Equipment Consequences 3 4 12  Ensure proper supervision 4 1 4
of shovel Failure can be very  Competent flagman should provide.
loaders / ,Major serious like  Operator should be competent and third
JCBs accident major injury party certified.
and death  Equipment should be certified by third
party.
Human machine interfacing to be considered at
all time and

Page 7 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

10. Electrical Bad Electrical Electrocution 4 4 16  Provision of proper earth, guarding, and 4 1 4
works connection, and Electrical protective device and avoid loss connection
Damaged Fire and cable joints.
cable, Fatality  Provide adequate supervision.
damaged  Designate a competent Electrician at site.
electrical  Powder/Co2 extinguishers to be placed near
appliances to gen sets and in crane cabin.
 All the workers should use rubber gum
boots and dry & specific gloves.
 Cable joints not allowed.
 Project colour coding system must be
followed.
 All electrical equipment's, cords and
appliances must be inspected and the same
must be recorded.
11. Dewatering Groundwater Potential for 2 4 8  Training and supervision 2 2 4
abstraction severe  Filter all discharges through straw bales and
Releasing damage to settlement tanks.
salty water aquatic life  Permit to Pump/Pump Supervisor present
into a forms.
watercourse Erosion of
Prosecution bank and
bottom of
watercourse

Page 8 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

12. Confine Oxygen Fire, 4 4 16 Ensure work is carried out only after all the 3 2 6
Space Entry deficiency, Suffocation, required permits are obtained. Plan your
Enrich Poisoning, activities and plan emergency evacuation
atmosphere, Unconsciousn process.
Release of ess Specific job risk assessment must be done to
flammable Death ensure the availability of fit to purpose control
and toxic measurements before proceeding with the work
gases permit.
Conduct gas test prior to entry in confine space
and on regular intervals while job is on.
Ensure all necessary lines are locked out and
tagged. Use BA set if required.
Proper ventilation shall be provided to ensure
proper disposal of harmful gases produced
during the activities carried out in the confine
space. The Job Watcher (attendant) shall know
the exact number (crew shall hand over their
identity card to attendant before entering any
confine space) of the crew working in the
confine space and regularly monitor them.
The attendant must know all the emergency
procedures and in case of emergency, he shall
never attempt to
Improper Falls, Major 3 3 9 Proper scaffolding must be made to have easy 3 1 3
access & Injuries, Death access and egress.
Insufficient Proper illumination must be ensured inside the
lighting confined space.
Provide supervision and means of emergency.

Page 9 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

Working at Death/Irritatio 4 4 16 Gas testing, Employees shall be trained for 3 2 6

H2S n to proper action during H2S emergency, provide
designated respiratory H2S personal monitors and escape masks. Tool
area system box talk, Continuous gas monitoring and
supervision.BA Set & Air Line Trolley shall be
used and proper ventilation shall be maintained.
13. Weather Adverse distraction 3 2 6 Ensure the provision of rest areas & drinking 2 1 2
Conditions Weather and heat water (lemon, ice or glucose) and those
conditions, stress, heat operatives are frequently rested and rotated.
Health cramp etc. Temporary shading shall be provided close to
Effects. the work area.
First aid boxes shall be readily available on site.
Use of proper PPE by personnel
Establish sheltered areas
Initiate cold weather plan and provide training
to employees
Use of Consumption Resource 3 3 9  Try to eliminate diesel powered equipment 2 2 4
Diesel of diesel depletion,  Plane and complete the job in a reduced
14. powered air emission amount of time
engine and and spills
Generator  Switch of engine whenever possible
 Ensure drip tray provision for generators
and diesel powered motors
Trained and competent team has to do fuelling
works

Page 10 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

15. Heavy Refueling Ground water 4 4 16  Refuel as much as practical in the yard
equipment and soil  All fuel browsers to carry adequate spill kit
use contamination and granules, and funnels.
due to Spills  Refueling only to be carried out by
and leaks designated and trained person
Noise Resource 2 3 6  Avoidance where possible 2 2 4
depletion  Strict adherence to procedures detailing the
constraints in these areas
16. Compaction Vibration Resource 2 2 4  Strict adherence to procedures detailing the 3 1 3
works depletion constraints in these areas

Page 11 of 12
 RISK ASSESMENT

PROJECT Risk Assessment NO 03

CLIENT LOCATION
CONSALTANT DATE
CONTRACTOR ORIGINATOR Sr. HSE Officer
TITLE Deep Excavation CHECKED BY Sr. Project Manager

Sr Process Potential Risk Involved Severity Likelihood Risk Controls Measures Residual Residual Residual
No Activity Hazards Severity Probability Risk
Level

RISK MATRIX

Severity
RISK RATING MATRIX Slight Injury / Minor or Serious Major Loss, Fire Single Fatality or
Multiple Fatality
First-Aid Injury Permanent Disability
Likelihood 1 2 3 4 5
Unlikely To Happen 1 1 2 3 4 5
May Happen 2 2 4 6 8 10
Likely To Happen 3 3 6 9 12 15

Very Likely To Happen 4 4 8 12 16 20

Certain To Happen 5 5 10 15 20 25
1-2 Trivial Risk
No further improvements necessary provided control measures are maintained.

3-6 Adequately Controlled Risk

Risk is tolerable when control measures identified are implemented.

8 - 12 Moderately Controlled Risk

Further Risk Reduction Measures should be considered.

15-25 Intolerable Risk

Seek specialist advice/support.

Risk Assessment Team Reviewed by: Approved by:

Page 12 of 12