TITLE OF THE METHODOLOGY DOCUMENT
Underground Earthing Works
SCOPE
This Technical methodology document for “Cable
Grounding Installation, Underground earthing installation work” is to describe
and highlight the minimum requirements for earthing conductor installation in
materials receiving, storing, and installation procedure.
OBJECTIVE
This is to assure that the requirements of
underground earthing installation works meet the code requirements and contract
specifications. To make sure, the works are carried out in acceptable
workmanship and follow the requirements of the project.
REFERENCE
Applicable Manufacturers Recommendation
Contract Specifications and Approved Construction
Drawing
Standards, codes, and recommended practices
RESPONSIBILITY
5.1 The Site Engineer at the site shall be
responsible for the planning scheduling and coordination, recording and monitor
the progress of Underground earthing works. To guide the supervisors in the
field in terms of engineering and technical problems.
GENERAL WORK
The field installation, inspection, and test of
underground Earthing shall be executed under the responsibility of the contractor
according to the relevant drawings and documents.
The work shall be done according to good
workmanship and by using the suitable tools and materials as stated in the
construction drawings, approve documents, and procedures and it shall be
studied before carrying out any electrical works.
Safety and Sanitation:
Full care and precaution
shall be given by the field management for the safety and sanitation of workmen
in the field to prevent accidents during the execution of the works.
GENERAL STEP OF CABLE GROUNDING INSTALLATION
Prepare the clamping tool:
To know the C clamp is already
installed correctly, we must measure the difference end of the C clamp before
and after the clamping proses.
Ensure excavation work in
every building foundation already finish, and the elevation of excavation
appropriate with the design level
Install Grounding cable in
every building foundation, Installation starts from base excavation, and cable
grounding must be in touch with the soil.
Ensure every connection of the
grounding cable is installed correctly.
For grounding cable rise up
the installation must be installed accurately and securely.
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