CPV: 45210000 Building construction work, 45000000 Construction work, 45262600 Miscellaneous special-trade construction work, 45111291 Site-development work, 45112710 Landscaping work for green areas, 45233140 Roadworks, 45300000 Building installation work, 45311200 Electrical fitting work, 45333000 Gas-fitting installation work, 45262522 Masonry work, 45200000 Works for complete or part construction and civil engineering work, 45111200 Site preparation and clearance work, 45113000 Siteworks, 45232310 Construction work for telephone lines, 45232410 Sewerage work, 45233222 Paving and asphalting works, 45261220 Roof-painting and other coating work, 45262100 Scaffolding work, 45262330 Concrete repair work, 45311000 Electrical wiring and fitting work, 45311100 Electrical wiring work, 45316100 Installation of outdoor illumination equipment, 45314300 Installation of cable infrastructure, 45314310 Installation of cable laying, 45310000 Electrical installation work, 45317300 Electrical installation work of electrical distribution apparatus, 45315600 Low-voltage installation work, 45317200 Electrical installation work of transformers, 45320000 Insulation work, 45332200 Water plumbing work, 45332400 Sanitary fixture installation work, 45331000 Heating, ventilation and air-conditioning installation work, 45343000 Fire-prevention installation works, 45312100 Fire-alarm system installation work, 45420000 Joinery and carpentry installation work, 45422000 Carpentry installation work, 45112723 Landscaping work for playgrounds

CPV: 45212222 Gymnasium construction work, 31310000 Mains, 45236112 Flatwork for tennis court, 45223220 Structural shell work, 45262212 Trench sheeting work, 45262311 Concrete carcassing work, 45261100 Roof-framing work, 45261000 Erection and related works of roof frames and coverings, 45262650 Cladding works, 45261400 Sheeting work, 45261420 Waterproofing work, 45261410 Roof insulation work, 45421000 Joinery work, 45421130 Installation of doors and windows, 44316500 Smiths' wares, 45341000 Erection of railings, 45421141 Installation of partitioning, 45320000 Insulation work, 45323000 Sound insulation work, 45421150 Non-metal joinery installation work, 45313100 Lift installation work, 45431100 Floor-tiling work, 45431200 Wall-tiling work, 45442100 Painting work, 45232141 Heating works, 45232411 Foul-water piping construction work, 45232460 Sanitary works, 45330000 Plumbing and sanitary works, 45331000 Heating, ventilation and air-conditioning installation work, 45331110 Boiler installation work, 45331200 Ventilation and air-conditioning installation work, 45331210 Ventilation installation work, 45331220 Air-conditioning installation work, 45331221 Partial air-conditioning installation work, 45332000 Plumbing and drain-laying work, 45332200 Water plumbing work, 45332300 Drain-laying work, 45332400 Sanitary fixture installation work, 45333000 Gas-fitting installation work, 45333100 Gas regulation equipment installation work, 45333200 Gas meter installation work, 45343000 Fire-prevention installation works, 45343220 Fire-extinguishers installation work, 45233292 Installation of safety equipment, 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, 45314310 Installation of cable laying, 45314320 Installation of computer cabling, 45315000 Electrical installation work of heating and other electrical building-equipment, 45112710 Landscaping work for green areas

CPV: 45000000 Construction work, 45262660 Asbestos-removal work, 45262522 Masonry work, 45421000 Joinery work, 45421152 Installation of partition walls, 45432130 Floor-covering work, 45442100 Painting work, 45311200 Electrical fitting work, 45331000 Heating, ventilation and air-conditioning installation work, 45333000 Gas-fitting installation work

CPV: 45333000 Gas-fitting installation work

CPV: 45331110 Boiler installation work, 45331100 Central-heating installation work, 45333000 Gas-fitting installation work

CPV: 45000000 Construction work, 45100000 Site preparation work, 45110000 Building demolition and wrecking work and earthmoving work, 45111000 Demolition, site preparation and clearance work, 45112000 Excavating and earthmoving work, 45200000 Works for complete or part construction and civil engineering work, 45210000 Building construction work, 45211000 Construction work for multi-dwelling buildings and individual houses, 45212000 Construction work for buildings relating to leisure, sports, culture, lodging and restaurants, 45342000 Erection of fencing, 45213000 Construction work for commercial buildings, warehouses and industrial buildings, buildings relating to transport, 45214000 Construction work for buildings relating to education and research, 45215000 Construction work for buildings relating to health and social services, for crematoriums and public conveniences, 45220000 Engineering works and construction works, 45221000 Construction work for bridges and tunnels, shafts and subways, 45223000 Structures 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, 45232000 Ancillary works for pipelines and cables, 45233000 Construction, foundation and surface works for highways, roads, 45235000 Construction work for airfields, runways and manoeuvring surfaces, 45236000 Flatwork, 45252000 Construction works for sewage treatment plants, purification plants and refuse incineration plants, 45259000 Repair and maintenance of plant, 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, 45300000 Building installation work, 45310000 Electrical installation work, 45311000 Electrical wiring and fitting work, 45312000 Alarm system and antenna installation work, 45313000 Lift and escalator installation work, 45314000 Installation of telecommunications equipment, 45315000 Electrical installation work of heating and other electrical building-equipment, 45316000 Installation work of illumination and signalling systems, 45321000 Thermal insulation work, 45317000 Other electrical installation work, 45320000 Insulation work, 45341000 Erection of railings, 45324000 Plasterboard works, 45330000 Plumbing and sanitary works, 45331000 Heating, ventilation and air-conditioning installation work, 45332000 Plumbing and drain-laying work, 45333000 Gas-fitting installation work, 45340000 Fencing, railing and safety equipment installation work, 45343000 Fire-prevention installation works, 45350000 Mechanical installations, 45351000 Mechanical engineering installation works, 45400000 Building completion work, 45410000 Plastering work, 45420000 Joinery and carpentry installation work, 45421000 Joinery work, 45430000 Floor and wall covering work, 45431000 Tiling work, 45432000 Floor-laying and covering, wall-covering and wall-papering work, 45440000 Painting and glazing work, 45441000 Glazing work, 45442000 Application work of protective coatings, 45443000 Facade work, 45450000 Other building completion work

CPV: 45333000 Gas-fitting installation work

CPV: 45317000 Other electrical installation work, 45333000 Gas-fitting installation work, 45333200 Gas meter installation work

CPV: 45333000 Gas-fitting installation work