Renewal of corrosion protection and foundation base renovation of steel lattice masts 60kV Sils Albula-Chur
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Contract Description
ewz is one of the ten energy service companies with the highest sales in Switzerland and supplies the city of Zurich and parts of the canton of Graubünden with electricity. In its role as distribution network operator in Zurich and GR, ewz is responsible for the operation and maintenance of the network infrastructure on network levels 3 to 7. This tender is about the 60kV high-voltage overhead line in the GR network area, which leads from the Sils Albula substation (SIB) via Lenzerheide to the Sand substation (SAN) in Chur. On the first section of the route, which leads through the Schyn Gorge, the two 60kV lines SIB-Muloin and SIB-Parzutt are mounted on 14 steel lattice masts. With the present submission, the corrosion protection is to be renewed and the mast foundation bases of these 14 steel lattice masts are to be renovated.