03.08.2021 project “Major renovation of the roof with an area of 2800 m² of the Sofia Theological Seminary “St. Ivan Rilski”, Sofia city, Lozenets neighborhood, sq. “Velchova Zaviera” № 2″ CIW carried out: New wooden construction; Roof covering; Roof cladding; Fine finishing of restored façade elements; Waterproofing; Finishing works in attics; Tiling works; Lightning protection installation;