Construction of a hangar inside Sofia's military airport for the construction of two C-27J aircrafts and built-in office buildings. The building is positioned and built in place of the existing hangar.

The prefabricated structure was made with steel pillars and metal frames with lights up to 28 meters, inside which a rail was installed for two electric lifters with a 3.5 t load capacity. The floorings were made of concrete with polymers anti spark.