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EQOS Energie upgrades 110-kV line for Bayernwerk Netz GmbH

7. juni 2021

EQOS Energie will perform replacement construction and installation of new conductors for the 110-kV line on the Dachau-Maisach track section, including the installation of solid-wall steel poles. The successful realisation of the solid-wall steel pole pilot project ensured that EQOS Energie was awarded the commission.

EQOS Energie was awarded the commission by Bayernwerk Netz GmbH to renew about 11 kilometres of lines on the Dachau-Maisach track section near Munich. The project was offered in the form of a best-bidder procedure. As a partner of Bayernwerk Netz GmbH, EQOS Energie will perform construction for the replacement of the existing 110-kV overhead lines with alternating switchgear – which also includes the use of temporary lines and, subsequently, the installation of new conductors – as well as erecting solid-wall steel poles instead of the previously used load-bearing lattice masts. Prior to the tender procedure for this project, EQOS Energie successfully executed a pilot project for the construction of these poles. Completion of the project is planned for spring 2022.

Replacement of conductors in semi-operation

June 2021 marks the start of the construction work for the temporary structures, the pole foundations and all preparatory measures for the point and cabling work. “By the end of the year, about 20 to 33 EQOS Energie experts in overhead line construction will be deployed to conduct the reconstruction work of the 110-kV line section from mast A23 to mast A63,” said Gerald Adelsgruber, head of the profit centre in charge at EQOS Energie.

High complexity based on solid-wall steel poles

The solid-wall steel poles onto which the new overhead lines will be installed play a special role in the execution of this project. These poles are based on the prototypes provided as part of the tender procedure. Their technical design was convincing in the competitive tender, because, compared to standard lattice masts, solid-wall steel poles with their complexity require extremely sensitive handling – from foundation to the tip of the mast, beginning with production until final installation. “This requires very detailed construction knowledge but also great knowledge of handling as well. Due to their complex construction, considerable expertise is of the utmost necessity for the foundation work as well as the regulation of the conductors,” Thomas Reichel, managing director in charge, added.


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