CPV: 45000000 Construction work, 45100000 Site preparation work, 45111000 Demolition, site preparation and clearance work, 45111291 Site-development work, 45200000 Works for complete or part construction and civil engineering work, 45210000 Building construction work, 45216111 Police station construction work, 45230000 Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork, 45231000 Construction work for pipelines, communication and power lines, 45260000 Roof works and other special trade construction works, 45261000 Erection and related works of roof frames and coverings, 45300000 Building installation work, 45310000 Electrical installation work, 45312000 Alarm system and antenna installation work, 45312100 Fire-alarm system installation work, 45312200 Burglar-alarm system installation work, 45314000 Installation of telecommunications equipment, 45314100 Installation of telephone exchanges, 45314320 Installation of computer cabling, 45315600 Low-voltage installation work, 45316000 Installation work of illumination and signalling systems, 45321000 Thermal insulation work, 45320000 Insulation work, 45324000 Plasterboard works, 45330000 Plumbing and sanitary works, 45331000 Heating, ventilation and air-conditioning installation work, 45400000 Building completion work, 45410000 Plastering work, 45420000 Joinery and carpentry installation work, 45421000 Joinery work, 45440000 Painting and glazing work, 45442000 Application work of protective coatings, 45450000 Other building completion work, 51000000 Installation services (except software), 51300000 Installation services of communications equipment, 71000000 Architectural, construction, engineering and inspection services, 71220000 Architectural design services, 71221000 Architectural services for buildings, 71240000 Architectural, engineering and planning services, 71242000 Project and design preparation, estimation of costs, 71320000 Engineering design services, 71323100 Electrical power systems design services, 71410000 Urban planning services, 71420000 Landscape architectural services