- Choice of overhead contact line (LoC);
- Functional, geometric and structural study of the suspensions;
- Design and internal production of insulators, LoC tensioning systems, clamps and rods;
- Supply of carpentry for support of the LoC (Poles, crosspieces, attachments to the pole).
- 42 m adjusted LoC;
- 42 m self-tensioned OCL;
- 23 m landline;
- 23 m fixed OCL;