Świebodzice

In the period from 2010 to 2015, we completed comprehensive works related to the task under the name: Extension of the 220/110 kV Świebodzice power substation by 400 kV switchgear which consisted of:

  • expropriation of land for the construction of the 400 kV switchgear,
  • development of building plans and specifications and obtaining a building permit for the extension of the 220/110 kV Świebodzice substation with a 400 kV switchgear as well as for the construction of a section of the 220 kV Świebodzice – Ząbkowice line – underground cable option,
  •  preparation of formal and legal documentation,
  • development of detailed designs for the modernization of a 220 kV switchgear,
  • construction of the 220 kV Świebodzice – Ząbkowice line section,
  • demolition of  existing 220 kV Świebodzice – Ząbkowice line section
  • preparation of plans and specifications for demolition as well as  obtaining a permit for line demolition,
  • construction of a 220 kV line between AT-3 and the 220 kV switchgear with start-up and  acceptance tests,
  • site preparation for the construction of the 400 kV switchgear, including cutting down trees and shrubs and reconstruction of a drainage ditch,
  • execution of surveying measurements and earthworks,
  • installation of primary circuits and basic technological equipment for the 400 kV switchgear,
  • execution of the external lighting and technical protection system,
  • development of the substation area,
  • modernization of the 220 kV switchgear,
  • obtaining a final and legal  permission for use of 400/220/110 kV power substations,
  • preparation of as-built documentation,
  • execution of check and measurement works as well as commissioning works.

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