CPV: 45211300 Houses construction work, 45000000 Construction work, 45100000 Site preparation work, 45210000 Building construction work, 45211000 Construction work for multi-dwelling buildings and individual houses, 45211100 Construction work for houses, 45220000 Engineering works and construction works, 45223000 Structures construction work, 45231000 Construction work for pipelines, communication and power lines, 45231300 Construction work for water and sewage pipelines, 45232000 Ancillary works for pipelines and cables, 45232400 Sewer construction work, 45260000 Roof works and other special trade construction works, 45261000 Erection and related works of roof frames and coverings, 45262000 Special trade construction works other than roof works, 45262690 Refurbishment of run-down buildings, 45262700 Building alteration work, 45300000 Building installation work, 45310000 Electrical installation work, 45320000 Insulation work, 45330000 Plumbing and sanitary works, 45340000 Fencing, railing and safety equipment installation work, 45350000 Mechanical installations, 45410000 Plastering work, 45420000 Joinery and carpentry installation work, 45430000 Floor and wall covering work, 45440000 Painting and glazing work, 45450000 Other building completion work, 45453000 Overhaul and refurbishment work

CPV: 45262700 Building alteration work

CPV: 31625100 Fire-detection systems, 44316500 Smiths' wares, 45262522 Masonry work, 45262700 Building alteration work, 45311200 Electrical fitting work, 45320000 Insulation work, 45330000 Plumbing and sanitary works, 45331220 Air-conditioning installation work, 45421000 Joinery work, 45421146 Installation of suspended ceilings, 45442110 Painting work of buildings, 90910000 Cleaning services

CPV: 45211300 Houses construction work, 45000000 Construction work, 45100000 Site preparation work, 45110000 Building demolition and wrecking work and earthmoving work, 45210000 Building construction work, 45211000 Construction work for multi-dwelling buildings and individual houses, 45211100 Construction work for houses, 45223000 Structures construction work, 45231000 Construction work for pipelines, communication and power lines, 45231300 Construction work for water and sewage pipelines, 45232000 Ancillary works for pipelines and cables, 45232400 Sewer construction work, 45262000 Special trade construction works other than roof works, 45262690 Refurbishment of run-down buildings, 45262700 Building alteration work, 45300000 Building installation work, 45310000 Electrical installation work, 45320000 Insulation work, 45330000 Plumbing and sanitary works, 45340000 Fencing, railing and safety equipment installation work, 45350000 Mechanical installations, 45410000 Plastering work, 45420000 Joinery and carpentry installation work, 45430000 Floor and wall covering work, 45440000 Painting and glazing work, 45450000 Other building completion work, 45453000 Overhaul and refurbishment work

CPV: 42131143 Flood-control valves, 44212382 Floodgates, 45111100 Demolition work, 45222000 Construction work for engineering works except bridges, tunnels, shafts and subways, 45223100 Assembly of metal structures, 45223110 Installation of metal structures, 45262310 Reinforced-concrete work, 45262330 Concrete repair work, 45262700 Building alteration work

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

CPV: 44115220 Heating materials, 45000000 Construction work, 45211100 Construction work for houses, 45262700 Building alteration work, 45331000 Heating, ventilation and air-conditioning installation work

CPV: 45262700 Building alteration work, 45262800 Building extension work

CPV: 45111000 Demolition, site preparation and clearance work, 45223220 Structural shell work, 45223110 Installation of metal structures, 45231110 Pipelaying construction work, 45261213 Metal roof-covering work, 45261100 Roof-framing work, 45262321 Floor-screed works, 45262660 Asbestos-removal work, 45262700 Building alteration work, 45313000 Lift and escalator installation work, 45315000 Electrical installation work of heating and other electrical building-equipment, 45324000 Plasterboard works, 45331000 Heating, ventilation and air-conditioning installation work, 45332000 Plumbing and drain-laying work, 45421000 Joinery work, 45431000 Tiling work, 45432111 Laying work of flexible floor coverings, 45443000 Facade work

CPV: 03452000 Trees, 37442900 Multi gyms, 37535200 Playground equipment, 44111700 Tiles, 44112000 Miscellaneous building structures, 44113120 Paving slabs, 44114000 Concrete, 44115210 Plumbing materials, 45000000 Construction work, 45112700 Landscaping work, 45112711 Landscaping work for parks, 45112712 Landscaping work for gardens, 45112720 Landscaping work for sports grounds and recreational areas, 45112723 Landscaping work for playgrounds, 45210000 Building construction work, 45232120 Irrigation works, 45262700 Building alteration work, 50870000 Repair and maintenance services of playground equipment