Construction of new working houses, renovation of old working blocks and construction of ancillary items (Scope of package: New working houses, old working houses; gates, fences, internal road yards, flower beds, etc.) ; Exterior electrical system; Exterior water supply and drainage system; Demolition of old buildings; Air conditioning system; Fire protection and escape ventilation system; Elevator; Light electricity; Lines and substations; Office furniture room; Telephone network system, old house surveillance camera; Old house smoke extraction booster system)