Project Overview
Hertz Engineering Limited successfully executed the installation, testing, commissioning, and as-built documentation of a 34.5kV distribution power line for Cardinal Namdini Mining Limited. This project was essential in ensuring a robust, reliable, and efficient power distribution system to support mining operations and associated infrastructure.
Scope of Work
1. Transmission Line Installation
- Route Survey & Design: Conducted topographical studies to determine optimal pole placement and powerline routing.
- Procurement & Supply: Sourced high-quality conductors, insulators, transformers, and protective equipment.
- Tower & Pole Installation:
- Deployed galvanized steel lattice towers for stability and durability.
- Installed monopoles in constrained areas for space efficiency.
- Cable Stringing & Tensioning: Ensured proper conductor installation with precision alignment and sag calculations.
2. System Testing & Commissioning
- High Voltage Insulation Testing: Verified electrical insulation integrity to prevent faults.
- Protection System Validation: Tested circuit breakers, relays, and surge arresters for optimal fault response.
- Load Flow & Voltage Regulation Checks: Ensured power quality met required operational standards.
- Grid Synchronization & Integration: Commissioned the power line into the existing network with minimal downtime.
3. As-Built Drawings & Documentation
- Developed detailed as-built electrical schematics reflecting final power line alignment.
- Provided GIS-based mapping of the transmission network for accurate asset management.
- Delivered a final commissioning report, including system performance data and compliance certifications.
Challenges and Solutions
- Difficult Terrain & Weather Conditions: Deployed specialized pole foundation reinforcements and weather-resistant materials.
- Minimizing Operational Disruptions: Implemented a phased execution strategy to ensure smooth integration without power interruptions.
- Regulatory & Safety Compliance: Ensured adherence to IEEE, IEC, and Ghana Energy Commission standards through rigorous testing.
Outcome and Impact
- Reliable Power Supply: Strengthened power distribution to support uninterrupted mining operations.
- Improved Electrical Safety & Compliance: Fully certified infrastructure with industry-standard protection systems.
- Enhanced System Documentation: Delivered comprehensive as-built drawings and technical records for future maintenance and expansion.
Why Hertz Engineering?
Hertz Engineering specializes in power transmission and distribution solutions, ensuring efficient, compliant, and sustainable electrical infrastructure for mining and industrial projects. Our expertise in high-voltage installations, testing, and documentation makes us a trusted partner for large-scale energy projects.
