CPV: 30213000 Personal computers, 30213100 Portable computers, 30214000 Workstations, 30231000 Computer screens and consoles, 30233100 Computer storage units, 30233120 Magnetic tape storage units, 30233130 Magnetic disk storage units, 30233132 Hard-disk drives, 30233140 Direct-access storage devices (DASD), 30233141 Redundant Array of Independent Disk (RAID), 30233150 Optical-disk drives, 32413100 Network routers, 32415000 Ethernet network, 32420000 Network equipment, 32421000 Network cabling, 32424000 Network infrastructure, 32425000 Network operating system, 32427000 Network system, 32428000 Network upgrade, 32430000 Wide area network, 32522000 Telecommunications equipment, 32560000 Fibre-optic materials, 32561000 Fibre-optic connections, 32562000 Optical-fibre cables, 32562100 Optical-fibre cables for information transmission, 32562200 Optical telecommunication cables, 32562300 Optical-fibre cables for data transmission, 32570000 Communications equipment, 32571000 Communications infrastructure, 35113300 Safety installations, 44112410 Roof frames, 45000000 Construction work, 45100000 Site preparation work, 45111300 Dismantling works, 45210000 Building construction work, 45220000 Engineering works and construction works, 45222300 Engineering work for security installations, 45232300 Construction and ancillary works for telephone and communication lines, 45232310 Construction work for telephone lines, 45261210 Roof-covering work, 45261215 Solar panel roof-covering work, 45261320 Guttering work, 45261900 Roof repair and maintenance work, 45261910 Roof repair, 45262700 Building alteration work, 45300000 Building installation work, 45310000 Electrical installation work, 45311000 Electrical wiring and fitting work, 45311100 Electrical wiring work, 45311200 Electrical fitting 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, 45314200 Installation of telephone lines, 45314300 Installation of cable infrastructure, 45314310 Installation of cable laying, 45314320 Installation of computer cabling, 45315300 Electricity supply installations, 45315700 Switching station installation work, 45320000 Insulation work, 45324000 Plasterboard works, 45330000 Plumbing and sanitary works, 45331210 Ventilation installation work, 45343000 Fire-prevention installation works, 45400000 Building completion work, 45410000 Plastering work, 45421000 Joinery work, 45421146 Installation of suspended ceilings, 45421152 Installation of partition walls, 45430000 Floor and wall covering work, 45442100 Painting work, 48200000 Networking, Internet and intranet software package, 48210000 Networking software package, 48211000 Platform interconnectivity software package, 48212000 Optical jukebox server software package, 48213000 Operating system enhancement software package, 48214000 Network operating system software package, 48215000 Networking developers' software package, 48219200 Compact disk (CD) server software package, 48218000 License management software package, 48219000 Miscellaneous networking software package, 48219100 Gateway software package, 48219300 Administration software package, 48219400 Transaction server software package, 48219500 Switch or router software package, 48219600 Multiplexer software package, 48219700 Communications server software package, 48219800 Bridge software package, 48220000 Internet and intranet software package, 48221000 Internet browsing software package, 48222000 Web server software package, 48223000 Electronic mail software package, 48820000 Servers, 48821000 Network servers, 48822000 Computer servers, 48823000 File servers, 71200000 Architectural and related services, 71240000 Architectural, engineering and planning services, 71242000 Project and design preparation, estimation of costs, 71300000 Engineering services, 71320000 Engineering design services, 71321000 Engineering design services for mechanical and electrical installations for buildings, 71321200 Heating-system design services, 71334000 Mechanical and electrical engineering services, 71500000 Construction-related services, 71600000 Technical testing, analysis and consultancy services