Design & Construction of 34.5kV Overhead Powerline & Commissioning – Eiffage Énergie Systèmes

Project Overview

Hertz Engineering Limited successfully executed the design, construction, and commissioning of a 34.5kV overhead powerline for Eiffage Énergie Systèmes. This project was a key part of enhancing power transmission capacity, ensuring efficient and stable electricity distribution to support industrial and commercial operations.

Scope of Work

1. Engineering Design & Planning

• Conducted a site survey and feasibility analysis to determine the optimal powerline route.
• Designed the 34.5kV power transmission infrastructure, including conductor sizing, pole placements, and grounding systems.
• Developed a detailed electrical load study to ensure system efficiency and future scalability.

2. Construction & Installation

• Procurement & Supply: Sourced high-quality conductors, insulators, lattice towers, and monopoles for the overhead line.
• Tower & Pole Erection: Installed galvanized steel lattice towers and monopoles for structural stability.
• Conductor Stringing & Tensioning: Ensured precise installation of high-voltage transmission lines with strict compliance to safety standards.
• Insulation & Protection: Installed lightning arresters, circuit breakers, and grounding systems to enhance network protection.

3. Testing, Commissioning & Integration

• Conducted high-voltage testing, insulation resistance checks, and phase balancing to verify system reliability.
• Ensured seamless integration with existing power infrastructure, reducing risks of power instability.
• Finalized grid synchronization and system commissioning to ensure optimal operation.

Challenges and Solutions

• Challenging Terrain: Implemented topographical adjustments and optimized pole placements to navigate uneven landscapes.
• Minimizing Downtime: Deployed a phased installation approach to prevent disruptions to ongoing operations.
• Extreme Weather Conditions: Utilized weather-resistant materials and advanced construction techniques for durability.

Outcome and Impact

• Enhanced Power Transmission Efficiency: Provided a stable and high-capacity power supply for industrial operations.
• Improved System Reliability: Optimized grid resilience with robust insulation and protection mechanisms.
• Future-Proof Infrastructure: Designed for scalability and minimal maintenance, ensuring long-term operational efficiency.

Why Hertz Engineering?

Hertz Engineering specializes in high-voltage power transmission and distribution solutions, delivering projects with technical excellence, regulatory compliance, and long-term reliability. Our expertise in overhead line design, construction, and commissioning makes us a preferred partner for industrial power projects.