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HomeOur Projects2025Short Circuit, Protection Device Coordination and Arc Flash Studies, for AGA KMS Redevelopment 2025

Project description
Project Overview
Hertz Engineering Limited successfully carried out the 400V distribution power installation to critical facilities at Cardinal Namdini Mining Limited, ensuring a stable and reliable electricity supply to support daily operations. The project covered essential infrastructure, including:
- Plant Offices – Ensuring seamless power supply for administrative and operational tasks.
- Clinic – Supporting medical equipment and emergency power backup.
- Military Camp – Providing stable power for security operations.
- Police Camp – Enhancing security personnel’s operational effectiveness.
- CSR Office – Facilitating corporate social responsibility (CSR) initiatives.
Scope of Work
1. Electrical Design & Planning
- Conducted a load assessment to determine the power requirements of each facility.
- Designed a 400V distribution network with proper load balancing and protection mechanisms.
- Identified optimal cable routing and panel board placements for efficient power distribution.
2. Installation & Wiring
- Power Cabling & Conduit Installations: Laid high-quality PVC-insulated armored cables for durability and safety.
- Distribution Panels & Breakers: Installed and configured distribution boards with overload and short-circuit protection.
- Earthing & Lightning Protection: Implemented grounding systems to safeguard against electrical faults.
- Lighting & Power Outlets: Set up energy-efficient lighting and power points in all designated areas.
3. System Testing & Commissioning
- Voltage & Load Testing: Verified power supply stability under full load conditions.
- Insulation Resistance Checks: Ensured wiring and cabling met electrical safety standards.
- Functional Testing: Confirmed the reliable operation of electrical equipment, lighting, and power outlets.
Challenges and Solutions
- Ensuring Power Redundancy: Integrated backup power provisions for uninterrupted electricity supply in critical areas like the clinic and security posts.
- Harsh Environmental Conditions: Used weatherproof enclosures and protective conduit systems for outdoor installations.
- Operational Interference: Coordinated work schedules to minimize disruptions to on-site activities.
Outcome and Impact
- Reliable Power Distribution: Enhanced operational efficiency at key facilities within the mining site.
- Safety & Compliance: Designed and installed in full adherence to IEC, OSHA, and Ghana’s national electrical codes.
- Scalability & Future Expansion: The system was designed to accommodate future power demands.
Why Hertz Engineering?
Hertz Engineering specializes in industrial and mining power distribution solutions, delivering safe, efficient, and high-quality electrical installations tailored for operational needs. Our expertise ensures compliance, reliability, and energy efficiency in every project.


