Bulgaria – Substation construction work – Ремонт фундаменти и възстановяване на АКЗ на портали в ОРУ 110 кV п/ст Тополовград

The contract concerns construction work, including the demolition of existing foundations under the equipment to be replaced and the construction of new ones; the restoration of the concrete cross-section of the foundations, the demolition of existing shafts and the construction of new ones; the laying of new HDPE double-walled corrugated pipes SN 8 DN 125; 9 foundations for the restoration of the concrete cross-section for columns of emergency lighting; the removal of 8 foundations for control cabinets; the dismantling of 20 fence panels and 22 metal columns + the demolition of the edge foundation under them; the replacement of the busbar for grounding and lightning protection installations (excavation for laying the grounding busbar with backfilling and compaction, supply and installation of hot-dip galvanized steel busbar 50/5 mm and hot-dip galvanized grounding columns); AKZ steel portal structure (columns and beams).