METHOD STATEMENT FOR EARTHING SYSTEM INSTALLATION

METHOD STATEMENT FOR Earthing  system  INSTALLATION

• TABLE OF CONTENTS

1. SCOPE

2. definitions

3. HEALTH  AND  SAFETY

4. OPERATION

5. installation  and  fIXATION

6. RESPONSIBILITIES

7. MANPOWER  REQUIRED

8. MATERIALS  REQUIREMENTS

9. EQUIPMENTs  REQUIREMENTs

10. WASTE MANAGEMENT

11. SPECIAL CONTROL MEASURES

12. SUPPORTING  DOCUMENTATION

13. DISTRIBUTION

1.SCOPE

• This procedure to clear the method of the supply, installations of Earthing System for the project.
• This document details the Earthing System Installation:
• Preparation of work.
• Delivery and inspection upon arrival of material at site.
• Installation of the system.

2. definitions

           PQP             : Project Quality Plan

PSP              : Project Safety Plan

QCP             : Quality Control Procedure

HSE             : Health, Safety and Environment

MS               : Method Statement

ITP               : Inspection Test Plan

QA/QC         : Quality Assurance / Quality Control Engineer.

WIR              : Inspection and Test Request

MIR              : Material Verification Record.

3. HEALTH  AND  SAFETY

• Strictly followed as per the manufacturer’s Health and Safety recommendations for handling and use of the materials.
• Ensure all involved personnel shall be aware of the same.
• Specific safety measures have to follow as applicable, and all the safety measures are covered separately in the project safety plan.

4. OPERATION

• Material:
• Material used will be as approved by the Engineer.
• The sizes and routes routing will be as per the approved Shop Drawings.
• Storage and Protection: 
• Deliver components parts to site, completely identified in accordance with shop and certified CAD Drawings prepared for this work.
• Store in accordance with the manufacturer’s instructions, above ground, properly protected from the weather and construction activities.

5. INSTALLATION and Fixation

• Pre-Installation:
• All materials and documentation relevant to this particular section of works will be checked and verified ensuring that  these are correct and approved type.
• Prior to the commencement of works, ensure that the areas for permanent installation are ready, accessible and in suitable condition.

• Installation:
• Coordinate installation of earthing system system with installation of other building systems and components, including electrical wiring, supporting structures, metal bodies requiring bonding to earthing system, and building finishes.
• Install conductors with direct paths from ground pits to ground connections.
• When different metal to be connected, a bimetallic clamp shall be used.
• Bond roof vents, flashing and any other metal masses projecting through the roof to the grid.
• Thermo weld all connections between cables and ground rods. Compression type connectors may be used where approved by the Consultant.
• Measure the resistance of the complete installation and submit for review to the Consultant.
• Test clamps shall be provided in each inspection pit to allow for testing and commissioning.
• Concrete inspection pits with cover shall be installed flush with finished floor level and be fully accessible.
• The complete installation shall be tested and inspected to ensure that it complies with the requirements of the Specification and the Local Authorities. The tests shall be carried out in accordance with the Regulations and to the satisfaction of the Consultant.
• Commissioning:
• The inspection and tests shall be carried out in the same sequence as set out in the Regulations, Local Authorities and the Consultant requirements and in such time as to allow any remedial work to be completed prior to Practical Completion.
• All instruments necessary for inspection and testing shall be supplied and shall be properly calibrated and operated by personnel skilled in their use.
• Allowance shall be made for disconnection or similar operations to satisfy the requirements for testing, etc., and the reinstatement of the installation.
• Measure earth resistance not less than two full days after the last trace of precipitation and without the soil being moistened by any means other than natural drainage or seepage and without any chemical treatment or other artificial means of reducing natural earth resistance.
• Where resistance to earth exceeds specified values, notify the Consultant the same and include recommendations to reduce earth resistance and to accomplish recommended work.
• Restore surface features at areas disturbed by work of this section.
• Restore areas disturbed by trenching, storing or dirt, cable laying, and other activities to their original condition..

• Technical Assistance:
• The installation supervising technician for the system trade shall instruct the CONSULTANT Engineer, and Construction Site Manager on the programming and correct operation of the system after the installation is completed.
• This instruction shall be scheduled at the convenience of the staff.
• All such instruction shall be properly recorded.
• WIR will be issued for Consultant approval upon making sure that the installation of the system equipment’s done as per approved shop drawings, approved specs and manufacturer recommendations.

6. RESPONSIBILITIES

Ø  PROJECT MANAGER

1. To ensure that all the preparation and application works are carried out according to the Contract Specification and with the approved drawings.
   1. To ensure that the progressing of works is carried out according to the planned program and as per the approved method of statement.
   1. To ensure that all the equipment and material required executing the work are available according to the planned construction program.
   1. To co-ordinate with the Main contractor, MEP coordinator, Safety Officer for a safe and proper execution of the works.

Ø  SITE ENGINEER

1. To ensure that the works are carried out according to the Contract Specification, approved method statement and the shop drawings.
   1. To provide all necessary information and distribute responsibilities to his construction.
   1. To monitor the progress of work in relation with the work program and to report to the Project Manager.
   1. To co-ordinate with the safety officer and to ensure that the works are carried out in safe practicing method.

Ø  FOREMAN

1. The foreman will carry out his duties by maintaining continuous coordination with the site engineer on daily basis, and ensure proper distribution of the work force on the required and planned locations.
   1. To ensure that his assistant foreman/ charge hand are aware of the job requirements and they have enough information to carry out their duties properly.
   1. To ensure that the daily work is progressing as planned and advice the site engineer of any requirement for additional resources.
   1. To ensure in consultation with the site engineer that the manpower involved in the works are moving as agreed and planned for the work.
   1. To control disposal of waste materials according to the instructions received from the site engineer.
   1. To ensure full coordination with the safety officer to maintain safe working and proper house keeping of the site, following the proved safety measures and further ensure that all his working team are aware of the same to prevent accident and losses.
   1. To inform the site engineer regarding areas ready for inspection.
   1. Foreman and the storekeeper are responsible for the distribution and control of materials.

Ø  SAFETY ENGINEER

1. Ensure the implementation of all the safety measures in accordance with the HSE plan and everybody aware of it for it’s proper implementation.
   1. Ensure all the implemented safety measures are adequate to maintain safe working on the site.
   1. Inspect all the site activities and train the person to prevent accidents and it’s proper implementation.
   1. Ensure that the site is maintained clean and tidy.

Ø  TECHNICIAN FROM SUPPILER

1. The carrying-out of work and the proper distribution of all the available resources in coordination with the sub-contractor Site Engineer on a daily basis.
2. Daily reports of the works are achieved and coordinated for the future planning with the Site Engineer.
3. Complying with the sub-contractor basic design practices, particularly those related to safety and engineering
4. Meeting with any type of unforeseen incident or requirement and reporting the same to the Site Engineer immediately.

Ø  STORE KEEPER

1. Responsible for overall Store operations in making sure to store the material delivery to the site and keep it in suitable area that will keep the material in safe from rusty and damage.
2. One who will acknowledge the receiving of materials at site in coordination with QA/QC and concerned Engineer.

7. MANPOWER  REQUIRED

• Charge hand and Experienced Technicians

8. MATERIALS  REQUIREMENTS

• Earthing System Components and Accessories.

9. EQUIPMENTs  REQUIREMENTs

• The Equipment  that will be engaged for Earthing System Installation will be as follows:

1. Hand Tools
2. Power Tools (if required)
3. Diagonal-Cutting Pliers
4. Wire Stripper/Cutter with Spring
5. Side-Cutting Pliers
6. Shank Screwdriver/Flat screw driver
7. Compression lug crimp tool
8. Necessary conduit for System Cabling
9. Knock out set (for conduit)
10. P.P.E. – Personal Protective Equipment (safety helmet, Boots, gloves & safety vest )

10. WASTE MANAGEMENT

• The Rubbish which would be created from our scope of works will be disposed to the designated dumping ground.

11. SPECIAL CONTROL MEASURES

• The following general control measures against Safety, Environment and Quality shall be required for our scope of work and special control measures are not applicable for us :
• Proper PPE must be worn at all time
• Permit to work at height > 2m where applicable
• Lifting operation permit (using crane) where applicable.
• Confined space permit where applicable.
• Approved work method statement and risk assessment will be made available to site.
• All workers doing the work shall be briefed on this method statement and risk assessment.

12. SUPPORTING  DOCUMENTATION

• This method Statement should be read in conjunction with the below referenced documentations:

• ITP for Anti – termite Treatment.
• Insulation Resistance and continuity Test Report.

13. DISTRIBUTION

• Copy of this method statement shall be issued to the following for information/ action/ comments:

1. Project Manager
2. Site Engineer
3. Foremen
4. Safety Engineer
5. Technician From Supplier
6. Store Keeper