21.11.2018 project Major renovation of the roof with an area of 2800 m² of the Sofia Theological Seminary “St. Ivan Rilski” Seminary, town of. Sofia, quarter. Lozenets, Pl. “Velchova Zaviera” №2 CIW carried out: New wooden construction; Roof cladding; Waterproofing; Tiling works; Roof covering; Finishing of restored façade elements; Finishing works in attics; Lightning protection installation