The complex has been superficially repaired in 1916-18 and 1941-43. Technical inspection: structural assessment, examination of the state of different elements, laboratory tests, calculation of the stresses. Scheme of both the conservation and the structural consolidation works: methods including substitution of elements, anastylosis, injection of cement mortar. With 14 illustrations (see also the general report by the same author, Ochrona zabytkow, 1974, 3-20).