✓ Assembly and dismantling conventional HV / MV transformer substation and general electrical. ✓ Civil engineering work on electricity pylons ✓ F and P Metallic Scaffolding. ✓ F and P of electricity pylons (cladding, finishing and revision). ✓ Electricity and OPGW cable pulling and unwinding. ✓ Installation of PCG and RTU. ✓ General lighting. welding, Metal frameworks. ✓ The realization of the electric stations. ✓ Preventive maintenance of substations and electrical networks Testing and commissioning ✓ Installation of all types of generator group