Maintenance and repairs of mechanical, electrical, buildings and decorative facilities of Bank Maskan headquarters in Tehran, including the central buildings of Vanak, Ferdowsi, Armaghan, as well as 10 affiliated buildings with warehouse, office and guest house. This project is under the supervision of the maintenance department with various appointments of refrigeration, compression, absorption and evaporation systems, heating systems, diesel generators, 20 kW substations and other electrical and mechanical installations.