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MOS-Excavation & Backfill

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0% found this document useful (0 votes)
36 views19 pages

MOS-Excavation & Backfill

Uploaded by

ahmed atif
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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T-254 TAPLINE ROAD INTERSECTION PROJECT

Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

TABLE OF CONTENTS

1. TITLE.
2. SCOPE OF WORK
2.1 General description
2.2 Tools and equipment
2.3 Materials & General Requirements
2.4 Site planning & preparation
2.5 Work Methodology
2.6 Responsibilities & Supervision
2.7 Work Force
3. HEALTH & SAFETY
3.1 General
3.2 Risk assessments
3.3 Jubail ES & H Contractor Requirement
3.4 Protective & Safety Equipment
3.5 Contractual Requirements
3.6 Information to personnel
3.7 Emergency Procedures
3.8 Permit Requirements
4. ENVIRONMENTAL ISSUES
4.1 Environmental Impact assessment
4.2 Jubail ES & H Contractor
4.3 Contractual Requirements
4.4 Emergency Procedures
5. QUALITY ASSURANCE
5.1 Contractual Requirements
5.2 Critical Work Activity
5.3 Inspection & Testing
5.4 Follow up & Evaluation
6. APPENDICES
6.1 Safe Sequence of Work
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

1. TITLE
METHOD STATEMENT FOR EXCAVATION AND BACKFILLING
REFERENCE:
• IFC Drawings:
• RC Standards:
SECTION 02310 Grading
SECTION 02315 Excavation and Fill

2. SCOPE OF WORK
2.1. General Description
The purpose of this method statement is to outline the procedures / guidelines to
be adopted and the controls to be exercise for the Earth work construction of
092-C48 (SP231000003) Project in Jubail Industrial City to ensure that material
supply and work execution conforms to the project requirements.
• Material Supply (backfill materials: sand or marl/sub-grade / sub-base /
Base Coarse
• Equipment, Manpower & Supervision
• Spreading, grading, levelling and compaction
2.2. Tools and Equipment
• Backhoe Excavator
• Wheel Loader
• JCB combination of loader and excavator
• Dump Truck or Dump Trailer
• Water Truck
• Roller Compactor (10-ton)
• Plate Compactor
• Jumping /Ram Compactor
• Skid Loader / Bob Cat
• Hand Tools
• Jack Hammer
• Hand shovel & wheel barrows
2.3. Materials
a) Approved select fill materials
b) Imported fill material/borrowed fill material shall be as per Royal
Commission-02315; Imported or borrowed fill material shall be excavated
from approved pits. The material shall be sand or calcareous clay of marine
origin classified as marl, or combination of both sand and marl. The
maximum particle size shall be less than 75mm (for fill material) & 50mm
(for the select fill material).
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

c) Raw water for spraying during compaction.


d) Approved shoring materials (as required).
2.4. SITE PLANNING & PREPARATION
• General Requirements
a) All technical submittals requirements shall be reviewed and approved by RC
including but not limited to backfilling materials, shoring or sheathing prior
to use.
b) Ensure all equipments to be used must pass the safety inspection as per RC
safety requirements.
c) All materials regardless of source, shall be free of debris, waste, organic
material will be sampled &tested, and approved by ROYAL COMMISION
before incorporation on to works. All documentation related to inspection,
sampling and testing will be provided to QA/QC for review and acceptance.
d) All co-ordinates should be verified as per the drawing and mark on site for
the excavation.
e) All underground existing utilities shall be verified by excavation trail pits as
per the drawings.
f) All existing underground utilities which may be uncovered or otherwise be
affected by any work/shall be properly protected/by shoring, bracing,
support as required.
g) Adequate dewatering equipment to remove and dispose all surface and
ground water entering work/shall be provided at site and maintained
properly.
h) Field and laboratory testing to determine compliance with the compaction
requirements shall be done as required by ROYAL COMMISSION Standards.
i) Survey will be carried out to identify existing ground levels and results will
be submitted to RC for review. Temporary benchmarks will be established for
the location and formation level of the excavation.
j) Site grading shall be in conformance with the Specification grading
tolerances.
k) All the updated copies of encroachment permit, need to proceed permit
should be available on-site office and site permit box.
l) Approved method of statement is kept at site.
m) Mobiles are used for the communication and co-ordination between
management site Engineer, competent person rigger and operators
n) Telephone /mobile numbers are displayed on bulletin board on site
o) All required permits if any, necessary to execute the work shall be secured
and should be at the hand of the competent person assign to the job and
ensure that all the equipments to be used must pass the safety inspection
requirements.

2.5. WORK METHODOLOGY


• Preparation and Compaction of Sub-Grade
Prior to placement of the first lift of controlled fill, the ground shall be proof-
rolled by the same equipment that shall be used to compact the controlled fill
material. Compaction of sub-grade may be facilitated by maintaining its
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

moisture content determined from laboratory tests. Depending on the type of


structure supported, sub-grade shall be compacted to develop the required
degree of compaction.
• BACKFILLING
a) Backfill materials shall be sampled and tested as required by Royal
Commission (RC).
b) The SCL QC Engineer and RC Field Engineer shall witness all quality control
testing requirement for the soil testing to be performed by the Independent
approved laboratory.
c) Backfilling materials shall be placed in uniform layers not exceeding 200mm
of un-compacted thickness. Any variations to layer thickness will be
submitted to RC for review and acceptance.
d) Prior to placing the first layer of controlled fill, sub-grade shall be levelled, if
necessary moistened, compacted, wetted and tested so that the surface
material of the sub-grade is compact and well bonded with the first layer of
controlled fill.
e) Moisture content shall be uniform throughout the layer to be compacted.
f) Acceptance or rejection of earthwork shall depend on field density tests
results.
• COMPACTION
a) Unless otherwise specified, general fill area shall be compacted to not less
than 90% of the maximum dry density as per (ASTM D1557).
b) Moisture content of the material being compacted shall be within ±2 percent
of the optimum moisture content as determined by ASTM 1557.
c) Minimum quantities for in-place density and moisture content test for every
lift of compacted fill or backfilled will be performed as per ASTM D1557.
I. Under all foundations - one test every 100 m² of each 150mm lift.
II. Under area paving – two test for every 2000 m² of each lift.
III. Road base and sub-base - one test every 500 m² of base or sub-base.
IV. Embankment - one test every 150 m2 of each lift.
V. General Fill – one test every 500 m² of each lift.
• Work Flow Chart
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

2.6.DUTIES, RESPONSIBILITIES & SUPERVISION


Project Manager/ Construction Manager: Has the responsibility to ensuring an
over-all responsible for direction, monitoring, coordination and control of all the
construction activities attached to the related work ensure that all the activity is
done without endangering health and safety in accordance with the RC requirement.
Ensure that all under groundwork related accidents are reported, investigated and
that corrective and preventive measures are taken, the accident investigation team
has the power to stop any work or operation under his authority on health, safety or
environmental grounds until effective measures have been taken.
ESH Manager is responsible to check approved method of statement as per the
work activity. All updated work permits copies are on site. Enforce management and
site engineer to implement all safety requirement to execute work safely and
environment friendly as per the RC standards to minimize the risk for the task.
Site / Field engineer shall be directly involved in the planning and execution of the
activities involved in excavation and backfilling activities. He shall be responsible for
the preparation of excavation plan, and Safe Work Plan applications for Work
Permits if required prior to commence of activities.
Land Surveyor will be responsible for
• Setting out of corner benchmarks.
• Survey for ground levels.
• Survey for top levels
• Excavation to approved depth.
• Dressing of loose soil.
• Making up to cut off level
• Constructing dewatering wells and interconnecting trenches.
• Marking boundaries of the zone
• Constructing protection bunds and drains
Before start excavation, surveyor will mark the coordinates setting out for the
manholes locations and determine the pipe trenches location as per approved
drawings
Safety Officer shall review all Safety Procedures, Tools, Equipment and Work Plan, if
required submittal to RC, it must be implemented and observed during the
Excavation and Backfilling works. He complies, follow and implement the Job Safety
analysis and Risk Assessment on the Work Site.
Supervisor is responsible in leading and undertaking the work together with his
team. Supervising and carrying out instructions and assigned tasks in the field and
ensure all work are carried out properly.
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

Foreman/Lead man shall directly control and give instructions to the working
personnel. He shall ensure that works are performed using correct tools and
equipment.
Operator/Driver shall know about the machine well. He must understand machine
functions and limitations as well as its particular operating characteristics
Mechanic Competent Person is responsible for the maintenance of machineries
that will be used at site for the execution.
2.7 WORK FORCE:
• Site Engineer
• QC Engineer
• Site supervisor
• Foremen
• Safety Officers
• Surveyor
• Operators/Drivers
• Skilled work
• Labours
3. SAFETY AND HEALTH
3.1 General
• Site and Safety control will be conducted in accordance with the guideline
stipulated in the Risk Assessment
• For EHS proposes a clear job site will be regularly maintained.
• Wastes shall be segregated and removed from the site work on a daily basis
• Shelters for rest and respite shall be erected and provided with sufficient
potable water available at all the time on site.
• Smoking shall be permitted only on designated smoking shelters only.
• Safety officers on site will have radios/mobiles for communications and shall
be at site at all times.
• Daily pre-tasked briefing shall be conducted prior to start of work.
3.2 Risk Assessment
Risk Assessment as attached
3.3 ES & H Contractor Requirement
• Only authorized and qualified personal are required to work of excavation or
backfilling.
• Only trained operators will operate the machinery /equipment and all others
are aware of its presence.
• All who will be involved in the activity will be briefed to maintain a healthy
and safety working environment and health & safety gears will be provided.
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

• Site safety control will be conducted in accordance with the guidelines


stipulated in Risk Assessment.
• Site Preparation of Area
• Personal Protective Equipment
• Heat and cold Stress
• Manual Handling
• Machine Power Tools
• Excavation and Trenching
• Hand Tools
3.4 Personnel Protective Equipment
Following Personal Protective Equipment’s are mandatory at site all the time.
• Safety shoes
• Full Body Safety harness,
• Safety goggles,
• Safety Hand gloves,
• Ear plugs
• Reflective Vest
• Face Shield
• Rubber boots
• Dust Mask
• Retractable Lanyard

3.5 Contractual Requirements


SCL shall execute the work in accordance to RC construction EHS Construction
Manual Phase Plan,
In absence of acceptable standards, best accepted industry practice shall be
engaged in the implementation of activities which include but limited to:
• Provision to Barricades on working area
• Provision for safe access and egress to all personnel.
• Contractor to ensure that all workers employed for the activity are
experienced and will be trained with respect to safety and hazard
necessities.
The following RC ES&H Standards shall be followed on this method of statement
• RC ES&H Standards 201-Site Preparation
• RC ES&H Standards 207-Personnel Protective Equipment
• RC ES&H Standards 209-Small Tools
• RC ES&H Standards 301-Heat and cold Stress Injuries

3.6 Information to personnel


• Induction
• STARRT Card
• Bulletin board
• Pre task Briefing
• Trainings
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

3.7 Emergency Procedures


• Blow whistle
• Stop work
• Switch off all equipment or machines
• Isolate all electrical power points
• Evacuate as quickly as possible to designated assembly area
• Maintain calm and control manner no panic
• Register your name with supervisor
• Supervisor ensures no person left on site.
• Supervisor head count and report to management
• Do not enter the site until it is declared it is safe.
EMERGENCY TELEPHONE NUMBERS SHINE COMPANY LTD, RC AND SECURITY
SERVICES

Name Position Contact No.


Project Manager Will be updated
Construction Manager 055 204 4134
Mohammed Qhaisar Field Engineer 050 650 4708
Will be updated Male nurse Will be updated
Qurban Hussain Safety Manager 059 948 3360
Will be updated Safety officer Will be updated
SAFETY RC SABCO Will be updated
AL MANA HOSPITAL 013 364 4000
EMERGENCY SERVICES

RC SECURITY 013 341 7777


AMBULANCE 997

FIRE 998

POLICE 999

3.8 Permit Requirements

• Encroachment permit attached


• Land accusation permit
• Notice to proceed
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

4. ENVIRONMENTAL ISSUES
4.1 Environmental Impact Assessment
• Housekeeping will be done at regularly basis at the end of each shift or min
once in a day
• Barricades all excavations in site to prevent pedestrians and vehicles falling
into them.
• If possible, excavations in roads or streets should d be backfilled or covered
over at night to minimize the risk assessment of accidents to the other
workers.
• Drip trays, spill kids will be provided on site in case of leak Spillage of Oil,
Petrol, Diesel, to avoid contamination of soil.
• Waste collection skips are placed on site and disposed of immediately to
landfill disposable yard
• Ear plugs, ear muff will be provided to all work force where there is high
noise
• Display safety signs such as high noise area keep away enclose the area and
barricade.

4.2 ES&H CONTRACTOR REQUIREMENT


• SCL shall maintain safe working condition at all times.
• SCL shall follow ES & H policy and procedure during the execution of the
work.
• Sufficient potable drinking water will always be available on the site.
• All hazardous materials found should be reported to RC and dumped in
designated dumping area.
• Good House Keeping shall be maintained.

4.3 ES&H Contractual Requirement


• RC Environmental, safety and health policies and procedure should be strictly
followed.

4.4 Emergency Procedures


• All operatives will have access to a company mobile phone while on site.
• Any event shall be reported immediately to the Group Health and safety
Manager.
• In the event of an emergency the safety Manager will be contacted
immediately.
• Procedures in the event of emergency shall be detailed and posted in the site
office
• Contractor is to verbally report to Royal Commission construction ES&H
Department within one hour of occurrence of all minor Environmental
Categories of incident.
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

5. QUALITY ASSURANCE
5.1. Contractual Requirements
• Shine Company Ltd. (SCL) shall maintain the Quality requirements of the Project.
• SCL shall comply with RC Specifications.
• SCL shall Verify /examine all data and characteristics that complying with the
approved submittals.
• Prepare and record all QC related site activities including testing, inspection and
material deliveries.
• Shine Company Ltd. (SCL) considers points for this project to maintain its
reputation as a reliable contractor.
5.2. Critical Work Activity

• Deep excavation more than 4 feet (1.2m) in depth.


• Excavation near or above the existing structure or Underground utilities.
5.3. Inspection & Testing
• SCL shall issue an inspection and test plan showing what items and types of
works are to be inspected tested.
• QC Engineer shall witness all quality control testing requirement for soil testing
to be performed by the independent approved laboratory.
• The inspection & Test plan (ITP) shall be properly established for each activity.
5.4. Follow Up and Evaluation
• Construction manager shall always monitor the work activities to check if all the
safety environmental requirements and work procedure stated in this method
statement is strictly followed.
• Safety manager and officers shall always monitor the safe working condition at
site during the execution of this activity.
• Site Engineer/Foreman shall monitor all works accomplished per the technical
specification and quality requirements of the project.
• QC Engineer shall inspect the work to verify that operation has carried out in
accordance with the specification.

6. APPENDICES
6.1 SAFE SEQUENCE OF WORK
Action Details
Brief description of work Excavation & Backfilling work for the T-274 & tapline road
and location intersection project where work includes
• Excavation for the asphalt road fill materials
• Excavation for the Strom drainage pits, telecom joint
box, drainage pipeline etc.
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

Work which includes deep excavation which required


shoring if the excavation is very deep
Sequence of work and Preparation of the job:
how operations are • Set up working area and equipment mobilization:
controlled • Work permit must be obtained prior to
commencing any task as well risk assessment.
• Safety induction, red man / Green man training,
lifting operation training will be given to all
employees.
• All workers must wear complete mandatory
Personnel protective equipments
• All underground utilities will be identified using
calibrated cable detector and trail pits.
• Dumping of sand, sub base, and road base stacked
properly and barricaded.
• Red man green man training and awareness must
prior to start any such task.
• Prior to enter our construction site all personnel
must attend a safety induction training
• Red man green man training
• Blind spot identification training for equipment
operators, all working crew on site.
• Traffic shall be controlled by flag man
• Red man and green man training must be for all
equipment operators and working crew
• Spray water to control evaluation of dust
• Never reverse the dump truck on site unless a flag
man is there to guide properly.
• Follow traffic rules and maintain the permitted
speed limits.
• All equipment must be third party inspected.
• All operators must hold valid SAG heavy equipment
operator’s license.
• All vehicles have working lights (head, tail, break,
turning indicators, hazards warning lights)
• All equipment must be fitted with rearview mirrors
(internal and external).
• All tires must have visible tread across the whole
tire surface.
• Seat belts (where fitted) must be worn at all times.
• All equipment shall be fitted with a hazard flashing
beacon light.
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

Surveying & marking:


• Pre task briefing to be conducted and hazards of
the work location to be briefed clearly to all
involved personnel.
• Establish and protect sufficient number of stations
to re-establish the stations if they are disturbed
during work.
• Post wooden stack for line and gradient of the road
• Elaborate from survey set out to control of points
and elevation from road preparation to the paver
application.
• Supervisors and labours must have complete PPE
Including Hi Visibility vest.

1. Grubbing /Excavation:
• Prior to initiating work obtain work permit
from utility clearance concern entity.
• A Valid work permit on site. Such as Land
accusation permit, encroachment permit, Saudi
electric company permit, etc.
• Detection of buried services using cable
detector and by trail pits with reference of as-
build drawings.
• Working areas must be barricade with warning
tape.
• Ensure constant supervision.
• In case of emergency contact on Emergency
contract numbers as attached
• Wear appropriate PPE and should have proper
training.
2. Backfilling
• Maintain good housekeeping on daily basis
• Red man green man training
• Certified equipment and operators shall be
used
• Authorized workers should operate
machineries.
• Valid work permit should be obtained
• Dust mask and suitable personnel protective
equipment
• Spray water to reduce dust & Use of certified
equipment only.
• Competent person shall inspect the equipment
and power tools with colour coded on the daily
basis.
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

3. Compaction
• The personnel shall use hearing protection
equipment when needed.
• Provide proper Access \Egress
• Unnecessary material must be removed from
the ground
• safety instruction are communicated to
working crews.
• Use Dust mask, Rubber Hand Gloves, Safety
Goggles Coverall.
• Proper use of hearing protection.
4. Installation of barricade and sign boards
• Adequate supervision and HSSE coverage.
• Area should be proper Barricaded with Hard
barricade.
• Deep excavation Signboard shall be posted on
the site.
• Other necessary signage also posted on the site
according to the site condition.
• Blinking lights should be installed.
5. Housekeeping
• Housekeeping will be done on a regular basis.
• All the waste material will be segregate
material wise and dispose of at land fill area
provided by the R.C
• During the Works, SCL is to segregate waste
into the following categories:
• General Construction Waste (concrete,
blocks, bricks, rubble, wood, etc...)
• Metals, hazardous Waste (fuels, oils, paints,
solvents, gas bottles, etc…)
• Domestic Waste (plastics, food, bottles,
cans, etc…)
• SCL will provide adequate number of skip-bins
or containers for waste disposal on site.
• SCL will educate employees through toolbox
talks and signages on segregation of the above
wastes and the use of the waste receptacles

On site supervision • All supervisors will be trained and familiarized


arrangements with minimum following requirements. Identify
control measures eliminate or reduce each hazard
to an acceptable risk level by implementing
following on site
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

• All operators of heavy equipment must have a SAG


heavy equipment operator’s license for the specific
equipment that are operating
• All vehicles reversing must be controlled by a banks
man (flag man) who is to be positioned in front of
the vehicle with clear line of sight to the driver. Flag
man must be protected by physically by barrier at
all time
• There should be no visible leak of fuel, oil or
hydraulic systems from any equipment
• Evaluation of dust is controlled by spraying of
water frequently.
Individual responsible • Site engineer
for control and • Competent Driver/Operator
monitoring • Site supervisor
• Site safety officer
Plant and equipment in • Excavator (Backhoe)
use • Water tanker
• Loader
• Roller compactor
• Dump trucks
• Plate compactor
Operator training Safety induction
requirements Red man/green man training
STARRT Card
Pre task briefing
Visual equipment checks
list awareness training
Life critical required
training.
Risk assessment as As attached
follow
Safety control measures No equipment on site without valid third-party inspection
for third party certification is strictly implemented on site. All equipment
operators are orientated prior to start the work and life
critical training shall be conducted for all work forces at
site.
Environmental control • Housekeeping will be done on regular basis at the end
of the day. All waste material will be segregated
material wise and dispose of at land fill area provided
by the RC with No oil spillage and soil contamination.
• No repair to any equipment activity will be done at site.
Repair shall be allowed within the work shop area.
First aid & PPE Following personnel protective equipment’s are
Requirements mandatory at site all the time Safety helmet
• Safety shoes
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

• Safety glass
• Reflective vest
• Safety gloves
• Retractable lanyard
Other personnel protective equipment should be worn by
the workers as required by the specific job such as full
body harness, face shield etc.
Emergency procedures See attached

CONTRACTOR SHINE COMPANY LTD.


CONTRACT NUMBER 092 C48 (SP231000003)
PREPARED BY: MOHAMMED QHAISAR FIELD ENGINEER
REVIEWED BY: MOHAMMED ZIYA NEMAN CIVIL QA/QC ENGINEER
QURBAN HUSSAIN HSE MANAGER
APPROVED BY: CONSTRUCTION MANAGER
T-254 TAPLINE ROAD INTERSECTION PROJECT
Contract No: 092-C48 (SP231000003)

TITLE: METHOD STATEMENT FOR EXCAVATION AND Ref No: SCL-CE-MS-004


BACKFILLING ISSUE: 01 Rev: 00
DATE: 31/10/2024

RISK ASSESSMENT
AREA / PROJECT: T-274-Tapline Road Intersection Project

ROYAL COMMISION RISK ASSESSMENT FORM Contract #: 092-C48 (SP-231000003)

DATE Assessed: 19-November-2024

RA No: 1 RISK ASSESSMENT: Surveying ,Marking, UG Utilities Scanning, Excavation, Backfilling and Compaction Reviewed date: 19-11-2024
TASK /
Surveying ,Marking, UG Utilities Scanning, Excavation, SPECIFIC LOCATION TOOLS &
OPERATION /
ACTIVITY EQUIPMENT IN USE:
Excavator, Loader, Drump Truck, Roller and Compactor, GPRS Scanner, Shovels, Hand tools
Backfilling and Compaction T-274-Tapline Road
DESCRIPTION:
WITH CONTROLS

PROBABILITY

PROBABILITY
SEVERITY (S)

RISK RATING

SEVERITY (S)

RISK RATING
RISK SCORE

RISK SCORE
Hazards identified with
Tasks Harm / Consequence /
Ser No.

each task Additional & or Site Controls

(P)

(P)
(What one does Parties affected (What can Current Controls / Safeguards (What do Responsible Person
(What can hurt one / (What additional could we do
in logical steps) happen / go wrong) we do to prevent incidents?)
others?) to reduce the risk?)
Pre-task Briefing about task shall be
Damage and Defectvie GPRS conducted by site supervisor
Equipment. Calibration certificate of the GPRS Ensure that calibration sticker is valid and
Underground Utilities
1 Slip/Trip/Falls Physical Injury, Shine Working Crew 3 3 9 M Perosnal Protective Equipments upto date. 2 2 4 L Site Supervisor and HSE officer
Scanning
Dust Hazard Work Permit All Crew Members shall wear adequate
Personal Protective Equipments all the time
on site.

Pre-task Briefing about task shall be


conducted by site supervisor
Calibration certificate of the GPRS Ensure that calibration sticker is valid and
Slip/Trip/Falls
2 Surveying Marking Physical Injury, Shine Working Crew 3 3 9 M Perosnal Protective Equipments upto date. 2 2 4 L Site Supervisor and HSE officer
Dust Hazard
Work Permit All Crew Members shall wear adequate
Personal Protective Equipments all the time
on site.

• Excavation should be properly sloped, benched or shored.


• Determine position of underground services from utility
drawings
• Use of CAT or similar detection tool
• Hand dig if required until services found.
• Excavated materials must be kept away from the edge of
excavation equal to its depth as much as possible.
Cave in or collapse Excavation must be supervised by
• If excavation I near the road where vehicles are passing, it Site Engineer,
Striking buried services competent person and verify the work site
Physical injury must be barricaded with hard barriers or concrete blocks. Operator,
Excavation work Moving equipment conditions, including location and detection
Damage to property • Safe access and egress shall be provided every 25 feet of Foreman,
3 Objects or materials falling in 3 3 9 M of all utilities and services, ensure that the 1 4 4 L
Death / fatality excavation. Workers
Collapse of adjacent structures latest revision of as-built plans have been
• Provide signage’s and barricades for each excavation. HSE Officer
People falling in the excavation used to locate all underground utilities in
• No feet on the ground policy must be obtained or workers
the area to be excavated.
shall keep the 10 mtr distances away from the moving
equipment.
• Workers must undergone Redman /Green man Training.
• Heavy equipment shall always be in good condition and
equipped with backing alarm and beacon light.
• Operators must have 3rd party certificate such as TUV

• Ensure that competent person locates all underground


utilities (cable avoidance tool), marked, height light them Competent person
Electrical cables Electric shock before start any excavation. Site Eng.,
Water pipe Fire, burn • Where locate underground utilities prefer to excavate Operator,
4 Underground utilities Line Fatality 3 4 12 H manually. Close supervision by the competent 1 4 4 L Foreman,
Telecom lines Property damage • All hand tools must be good condition and color coded. foreman or supervisor shall be in place Workers,
• Avoid mechanical excavation closer than 0.5 mtr from any HSE Officer
identified underground utility.

• Provide safe access coming to workers/operators/vehicles


Site Eng.,
Physical injury at site. Pre-task meeting and STARRT Card shall
Operator,
Fall from the height Damage to property • Accesses must be free from obstructions. be obtained.
Foreman,
5 Access/ egress Slip / Trip Hand injury 3 4 12 H • All areas where movement of people has the potential of • Close supervision by the competent 1 4 4 L
Workers,
Death / fatality falling must be provided with proper access. foreman or supervisor shall be in place.
HS Officer
WITH CONTROLS

PROBABILITY

PROBABILITY
SEVERITY (S)

RISK RATING

SEVERITY (S)

RISK RATING
RISK SCORE

RISK SCORE
Hazards identified with
Tasks Harm / Consequence /
Ser No.

each task Additional & or Site Controls

(P)

(P)
(What one does Parties affected (What can Current Controls / Safeguards (What do Responsible Person
(What can hurt one / (What additional could we do
in logical steps) happen / go wrong) we do to prevent incidents?)
others?) to reduce the risk?)
• Ensure a proper emergency plan in place
• Ensure the area assemble point, shall be posted emergency
contact numbers and safe emergency exit.
• Ensure the designated smoking area.
• Provide adequate firefighting equipment’s for the area. Site Engineer,
Physical injury • Explained the workers about emergency
• All work must undergo proper training on the plan. Foreman,
Damage to property procedures in weekly toolbox meeting.
Lack of adequate • Ensure proper emergency transport means ambulance. Workers
6 Improper response to fires hand injury 4 4 16 H • Also give training in monthly basses. 1 4 4 L
emergency procedures • Ensure proper medical facilities on site as well as trained HSE Officer
and/injury’s. Death/ fatality • Conduct regular emergency drills
first aiders.
Chaotic, delayed
• Ensure welfare facility on the site such as drinking water,
Emergency response
toilet, stress shelter etc.
• Adequate and suitable fire extinguishers units are installed
on all strategic areas

• Before entering the equipment at site mechanical


competent person and safety officer should be inspected all
equipment. Good condition equipment only allowed working
at site. Driver/operator before starting the job daily basis to
inspect their equipment and filled checklist properly. If
equipment have any maintenance informed responsible
persons and call mechanic, followed break down procedure. The competent person shall confirm that all
• Experienced and certified drivers/operators only allowed to equipment has been inspected and
operating equipment. All operator / drivers should be operator health and mentally condition is
attended before starting the fob site induction. Green and good for work Pre-task meeting and Site Engineer,
Personnel injures,
Equipment failed, Operator failed, Redman training. They must be attended daily STARRT Card STARRT Card must be obtained. Detarp Operator,
Death.
Man machine interface, Equipment meeting. stations must be provided for backfilling Foreman,
Damage to property
7 Backfilling work collision,personal falling,Equipment 3 4 12 H • All operator/drivers should be attended safe driving works and one person is designated to the 1 4 4 L Workers
Eye / hand injury
over turn /defensive driving training and the must be followed site tarp station for the specific purpose of HSE Officer
Respiratory disease.
safety rules. Area supervisor and safety officer monitoring detarping vehicles. The designated person
they were followed site T.M.P policy. If not followed take wear a safety harness which is connected
disciplinary action against the violator. to the station with a retactable life line
• All operator/ drivers should be follow site TMP and respect (Hence, the designated person is protected
the pedestrian, no parking in undesignated areas. Equipment from falls at height).
moving area should be provided barriers and posted proper
safety signage. Area responsible person should be observed
unauthorized persons are trespassing in the specific location.
Unfit person are not allow to operating equipment, and stop
short cut.

• No feet on the ground policy must be obtained or workers


shall keep the 10 mtr distances away from the moving
equipment.
• Ground condition should be stable for equipment
The excavation competent person shall
Man machine interface, Operator or pedestrian injures, movement, T.M.P to be established at worksite.
confirm that all utilities has been inspected Site Engineer,
Road accident, Death. • Ensure that all trucks are covered by coversheet within the
and adequately protected prior to start the Operator,
Noise from heavy equipment Damage to property trip and using the de-tarp station.
8 compaction works 3 4 12 H backfilling. 1 4 4 L Foreman,
Moving equipment Eye / hand injury • Workers must undergo Red man / Green man training.
Pre-task meeting and STARRT Card must Workers
Vibration Respiratory disease. • Operators must have 3rd party certificate such as T.U.V
be obtained HSE Officer
Dust • Provide signage’s and barricades for each excavation.
• Ensure that complete PPE must be worn at all times such
as safety glass, safety shoes, helmet and hearing protection
, protective gloves, overalls

Page 2 Safety
WITH CONTROLS

PROBABILITY

PROBABILITY
SEVERITY (S)

RISK RATING

SEVERITY (S)

RISK RATING
RISK SCORE

RISK SCORE
Hazards identified with
Tasks Harm / Consequence /
Ser No.

each task Additional & or Site Controls

(P)

(P)
(What one does Parties affected (What can Current Controls / Safeguards (What do Responsible Person
(What can hurt one / (What additional could we do
in logical steps) happen / go wrong) we do to prevent incidents?)
others?) to reduce the risk?)

Ensure that temporary traffic plan start in safe location by


avoiding hazardous position, e.g. close to bend.
• Vehicles and heavy equipment kill people on site every day.
Workers must be careful and stay away from moving vehicle
and equipment.
• Always use off roadway and vehicle tracks.
• Always use dedicated crossing points.
• Never walk close to any vehicle or equipment that is
moving. Close supervision and translate to various
Mobile equipment personnel • Never walk behind any vehicle or heavy equipment that’s language might be useful for the workers to Site Eng.,
interface, Physical injury reversing or that could reverse. fully understand discussion. Operator,
Vehicle collision, Damage to property • Before approaching any piece of equipment or vehicle, Workers must undergone Redman /Green Foreman,
9 Preparation of T.M.P 4 4 16 H 1 4 4 L
Hit by moving vehicle due to site Death / fatality ensure that you make eye contact with operator. man and (MEPI) training in quarterly. Workers,
preparation and de touring process. • Ask them to stop and apply the brake, and where necessary Pre-task meeting and STARRT Card must HS Officer
stop the engine before approaching. be obtained.
• If you see workmates near moving equipment remove them
from danger and or get the get the equipment to stop.
• Equipment operator/driver if you see workers are coming
near to your equipment while you are working stop your
equipment immediately and get the workers to move away.
• Always inform your supervisor and the safety team any time
there has been a close call as this may help prevent a future
accident

Site Eng.,
Pinch point Body pain due to wrong body posture Operator,
Have companion/coworker when manual
Slip / Trip Over exertion Ensure that all tolls and materials shall be kept and arrange Foreman,
10 Housekeeping 3 3 9 M lifting of heavy materials, avoid over 1 4 4 L
Load of materials Hand / eye injury properly during every end of work shift Workers,
exertion.
HS Officer

Std PPE: Hard hat, glasses, safety vest, safety shoes, gloves. Additional PPE: Dust Masks

PROBABILITY (P) SEVERITY Risk Rating = SEVERITY


1 Unlikely 1 First Aid or slight injury Probability x Severity 1 2 3 4 5

2 Rare 2 Recordable, medical and restricted work 1 1 - Low 2 - Low 3 Low 4 - Low 5 - Med

Probability (P)
3 Possible 3 Lost time injury or permanent disability 2 2 - Low 4 - Low 6 - Medium 8 - Medium 10 - High

4 Likely 4 Single fatality or permanent disablity of 3 or more person 3 3 Low 6 - Medium 9 - Medium 12 - High 15 - High

5 Very Likely 5 multiple fatalities 4 4 - Low 8 - Medium 12 - High 16 - High 20- High

5 5 - Medium 10 - High 15 - High 20- High 25 - High

Name Designation Date


Prepared by:
Qurban Hussain HSE Manager 19-11-2024
Reviewed by: QC Manager 19-11-2024

Approved by: Project Manager 19-11-2024

Page 3 Safety

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