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Name |
Signature |
Position |
Date |
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Prepared
by: |
Quality Department |
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QAQC Engr. |
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Reviewed
By: |
Construction Team |
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CM |
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Approved
By: |
Project Manager |
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PM |
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History
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Rev |
Date |
Change
Description |
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0 |
25-June-2021 |
First issue for approval |
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1.0 SCOPE
The intension of this method statement is to identify, establish and
describe the different works to be undertaken in conformity with the specified requirements
for Earthworks related activities consistent with the approved drawing s and
relevant specification.
1.0.1. Excavation of soil from existing ground level Elev. 0
to a minimum 1.3 to 1.6 m depth maximum,
as per BOQ, and approved shop Drawing.
1.0.2. Mass Excavation for rocks and hard soil as per
Engineers/ Consultant instruction and approval.
2.0
RESPONSIBILITY
2.1
Project Manager is overall responsible for all aspects of the works /
project.
2.2
The Project Site Engineers are responsible for proper execution, arrangement,
co-ordination & supervision for the quality, safety & delivery of work.
2.3
The QA/QC Manager & Engineers shall ensure that execution team is following
this method statement & implementing the site inspection procedures. The QA/QC
Engineers shall monitor, check, control & document the quality of concrete
delivered to site, & the quality of work during the entire duration of
casting.
2.4
MEP Coordinator / Engineers is the responsible for coordination of
Mechanical and Electrical works with relevant on underground works.
2.5
Safety Engineer or Safety Officer will ensure the implementation of
safety at work site.
3.0
MATERIALS & EQUIPMENT
3.1
Excavators
/ Backhoes / Breakers.
3.2
Wheel
Loaders / Shovels
3.3
Bulldozer
3.4
Dump
Trucks / Trailer
3.5
Bobcat
/ JVC
4.0
EXECUTION
4.1
Setting-out
surveys and as well as leveling surveys shall be approved and inspected by
Client representative and approved by 3rd party surveyor which is
approved and qualified by local government.
4.2
Benchmark
/ Control points shall also established by 3rd party surveyor on
site at suitable location. Benchmarks shall be marked with its co-ordinates and
elevation and the same transposed to a sketch / drawing for records.
4.3
All
setting out and leveling works shall be carried out in accordance with approved
drawings.
4.4
All
ground investigation shall carry out and approved by Client prior to proceed of
excavation.
5.0
PREPARATION
The site area to be excavated will be thoroughly
inspected and any necessary preparation in conformity with the project
specification.
5.1
Protect
structures, utilities, sidewalks, pavements, lateral movement, undermining,
washout, and others hazards created by earthworks operation.
5.2
Protect
sub grades and foundation soils against freezing temperatures or frost. Provide
protective insulating materials as necessary.
5.3
Provide
erosion-control measures if necessary to prevent erosion or displacement of
soils and discharge of soil bearing water run-off or airborne dust to adjacent
properties and walkways.
6.0
EXCAVATION
6.1
Preliminary
setting out be done by surveyor using chalk powder or paint on the ground using
benchmarks/ control points. Due allowance for working space and stability of
the sides shall be consider during this marking by extending the excavation
face from the structure line.
6.2
An
official inspection shall be issued to Engineers for markings on the ground
prior to commencing the excavation works.
6.3
Excavation
shall be carried out using equipment listed earlier in this section.
6.4
All
equipment shall be fitted with reverse alarms and wheel loaders with flashing
beacon.
6.5
The
Foreman or Supervisor for excavation shall maintain a watch on the excavation
and assist the surveyors, engineer and other trade contractor who will be
giving the levels to the operators as indicated on the approved shop drawings.
6.6
During
Excavation vertical cuts may be made if the surface countered is rocky.
However, all loose pockets shall be removed to avoid any collapse.
6.7
Unsuitable/
deleterious materials shall be carted away from site using tipper trucks to
location designated by the municipality.
6.8
All
excavation shall be done to elevation indicated within a tolerance of plus /
minus 25 mm.
7.0
MATERIALS HANDLING AND STORAGE
7.1
Temporary
storage at site in an orderly manner as not to hinder any other on-going works,
including dust control in stockpiles as necessary.
8.0
FIELD QUALITY CONTROL
8.1
Work
shall comply with all rules, regulation, law and ordinance of all authorities
having jurisdiction.
8.2
All
Inspection will be carried out in phases to cover a part of the total work.
8.3
Ensure
Quality control of works will be monitored by supervisor in ensuring compliance
with this document.
9.0
SAFETY PRECAUTION
9.1
Prime
importance shall be given to safety of personnel and protection utility
Service. It ensures that the personnel involved are thoroughly aware of the
company Safety regulation.
9.2
Any
Machineries and Equipment must operate only by well trained, experienced and
license personnel.
9.3
Protective
clothing and equipment will be necessary and will ensure that any special
protective clothing or equipment required and any signs relating to the wearing
of helmets, eye protection, ear defenders, visibility vest etc., are ordered
and available for use on site and that subcontractors are made aware of any
site requirements, especially for the wearing of safety helmets.
9.4
Instruct
staff in the correct handling and lifting of materials as required for the
handling of materials which could cause injuries to the hands.
9.5
Risk
assessment letter should issue by Safety In-charge before start of activity and
immediately post at the working area during activity.
10.0
Reference Documents
10.1
Project contract specifications
10.2
Project contract drawings or Approved shop
drawing by Civil/Structural and MEP.
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