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| METHOD STATEMENT FOR INSTALLATION OF SUB PANEL AND DISTRUBUTION BOARD (DB) |
The method statement outlines the safe and efficient installation of sub-panels and distribution boards (DB), detailing procedures, tools, and safety measures. Provided by RaMsProZone, it’s a free, editable, and ready-to-use Word document tailored for HSE professionals, project managers, engineers, and supervisors to ensure compliance and quality in electrical installations.
Table of Contents
1.0. Purpose
2.0. Document/Drawing/Standards Reference
3.0. Equipment/Tools/Material Requirements
4.0. Pre-Preparation Work
5.0. Safety and Compliance
6.0. Work Procedures
7.0. Forms /Checklist Records
1.0. Purpose
To explain the methodology and procedure for the Sub Panel and DB.
2.0. Document/Drawing/Standards Reference
2.1. Working Drawing.
3.0. Equipment/Tools/Material Requirements
3.1. First Aid Resuscitation Chart.
3.2. Hand Tools.
3.3. Hand Drill.
3.4. Crane/Lorry crane.
3.5. Measuring Tape.
3.6. Sling belt.
3.7. Scaffolding.
3.8. Marker Pen.
3.9. Rubber Mat.
4.0. Pre-Preparation Work
4.1. Check plinth size, height level, and location according to working drawings.
5.0. Safety and Compliance
5.1. Ensure compliance with local electrical codes and standards (e.g., IEC, NEC, or BS 7671).
5.2. Conduct a final safety inspection to confirm all connections are secure and the installation is hazard-free.
5.3. Check the sizes and the hole position of the mounting base frame for the SP and DB panels.
5.4. Mark out the Expansion Anchor Bolt positions onto the plinth based on the base frame holes.
5.5. Install the Expansion Anchor Bolt according to the Method Statements mentioned in the document.
5.6. If it is essential, barricade the affected work areas as a safety precaution.
5.7. Wear Proper Protection Equipment (PPE) for personal safety.
5.8. Confirm whether documentation for lifting gear equipment is required.
6.0. Work Procedures
Pre-Installation Planning
6.1. Design Review: Verify the electrical design and layout, ensuring the sub-distribution board's location, size, and load requirements align with the project specifications.
6.2. Permits and Approvals: Obtain necessary permits and approvals from local authorities or electrical regulatory bodies.
6.3. Material Inspection: Check all materials, including the SDB, circuit breakers, cables, and accessories, for compliance with standards and project requirements.
6.4. Safety Gear: Ensure all personnel have appropriate personal protective equipment (PPE) such as gloves, helmets, and insulated tools.
Installation Process
6.5. Location Selection: Choose a suitable location for the SDB, ensuring it is easily accessible, well-ventilated, and free from moisture or corrosive substances.
6.6. Mounting the Board: Securely mount the sub-distribution board on a wall or panel using appropriate fixings, ensuring it is level and stable.
6.7. Cable Routing: Plan and route incoming and outgoing cables neatly, ensuring proper segregation of power and control cables to avoid interference.
6.8. Cable Termination: Strip and terminate cables correctly, ensuring proper connections to the busbars, circuit breakers, and neutral/earth bars.
6.9. Circuit Breaker Installation: Install circuit breakers (MCBs, RCCBs, etc.) as per the load requirements and circuit design.
6.10. Earthing and Bonding: Ensure proper earthing and bonding of the SDB to prevent electrical faults and ensure safety.
Testing and Commissioning
6.11. Continuity Testing: Test the continuity of all circuits to ensure proper connections and no open circuits.
6.12. Insulation Resistance Test: Perform insulation resistance tests to verify the integrity of the insulation on cables and components.
6.13. Polarity Check: Verify the correct polarity of all connections to ensure the proper functioning of the electrical system.
6.14. Load Testing: Energize the SDB and test it under load conditions to ensure it operates as intended without overheating or tripping.
6.15. Documentation and Labeling: Document all test results, label all circuits clearly, and provide as-built drawings for future reference.
7.0. Forms /Checklist Records
7.1. Checklist for Cable Installation and Termination.
7.2. Risk Assessment
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