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Mackay Area Transmission Line Life Extension Works

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Project Details

Location: Mackay area, Queensland

Client: Powerlink

This project was to refurbish and gain life extension of key assets for Powerlink on the Mackay Transmission Line. This involved the tower refurbishment of 132kV transmission line towers in the Mackay area, Queensland.

The work included the installation of ground earthing systems, strengthening of foundations, replacement of steel members and bolts, replacement of line fittings, installation of anti-climb devices and the surface preparation and painting of the whole tower.

The terrain varied from steep bush areas to low lying crops. We had an environmental team managing our environmental strategy including property owner liaison, weed management, soil and water management.

Due to the need to remove the overhead earth wire (OHEW) and conductors during the replacement of critical steel members, extensive engineering analysis of the tower stability was undertaken when developing Safe Work Method Statements.

Key Challenges:
  • Ground earthing systems, strengthening of foundations
  • Replacement of steel members and bolts
  • Replacement of line fittings, installation of anti-climb devices and the surface preparation and painting of the whole tower

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