This category concerns the laying of underground cables between and within substations. It involves proven expertise in the following activities: cable laying (HV, signalling, fibre optic, drainage, etc.), earthworks and backfilling (trenches, demolition works, etc.), junction works, repair work, etc. Cable pulling and laying is subject to general and specific technical specifications, depending on the infrastructure projects. Elia distinguishes cable work according to the following voltage levels: - 36 kV – 70 kV - 110 kV – 150 kV 2000mm² - 150 kV 2500mm² - 220kV – 380 kV Alu - 380 kV Cu

This category concerns the installation of underground cables between and within substations. It involves proven expertise in the following activities: cable pulling (HV, signalling, fibre-optic, drainage…), earthworks and backfilling (trenching, demolition…), junction works, repair works…. The pulling and laying of cables are subject to general and specific technical specifications depending on the infrastructure projects. Elia distinguishes cable work according to the following voltage levels: - 36 kV – 70 kV - 110 kV – 150 kV 2000mm² - 150 kV 2500mm² - 220kV – 380 kV Alu - 380 kV Cu

This category relates to the installation of underground cables between and within substations. It requires proven expertise in the following activities: cable laying (HV, signalling, fibre optic, drainage, etc.), earthworks and backfilling (trenching, demolition works, etc.), junction works, repair works, etc. The pulling and laying of cables are subject to general and specific technical specifications, depending on the infrastructure projects. Elia distinguishes cable work according to the following voltage levels: - 36 kV – 70 kV - 110 kV – 150 kV 2000mm² - 150 kV 2500mm² - 220kV – 380 kV Alu - 380 kV Cu

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WS1557205 - 1.
This category concerns the installation of underground cables between and within substations. It requires proven expertise in the following activities: cable pulling (HV, signalling, fibre-optic, drainage…), earthworks and backfilling (trenching, demolition…), junction works, repair works…. The pulling and laying of cables are subject to general and specific technical specifications depending on the infrastructure projects. Elia distinguishes cable work according to the following voltage levels: - 36 kV – 70 kV - 110 kV – 150 kV 2000mm² - 150 kV 2500mm² - 220kV – 380 kV Alu - 380 kV Cu