This tender concerns the rehabilitation and modernisation of the 380kV TR1360 Pradella – Sils im Domleschg overhead transmission line, originally commissioned in 1968 and operated by Swissgrid. The scope covers assembly/installation works along a 44km section between La Punt, Filisur, and Sils i.D., encompassing 132 pylons. Works are divided into two phases — 2028 (four lots) and 2029 (five lots) — totalling nine lots across both phases.