What are the key stages in the construction of an Overhead Transmission Line (OHTL)?

2025-08-10

The construction of an OHTL is a multi-phase process that requires meticulous planning and specialized equipment. The key stages typically include:

  1. Surveying and Route Selection: Identifying the most suitable and cost-effective path for the transmission line, considering geographical and environmental factors.

  2. Foundation Work: Installing the foundations that will support the towers or poles. This includes geotechnical surveys and foundation design.

  3. Tower Assembly and Erection: Assembling the lattice steel towers or erecting utility poles. Specialized cranes and lifting equipment are used for this critical step.

  4. OHTLstringingequipment.com/Conductor-Stringing-Equipment.html target='_blank'>conductor stringing: The process of pulling and tensioning the conductors between the erected towers. This is where high-quality hydraulic puller-Tensioners and stringing equipment are essential.

  5. Final Connections and Commissioning: Attaching insulators, clamps, and other accessories, followed by comprehensive testing to ensure the line is ready for operation.

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