CPV: 45000000 Construction work, 45100000 Site preparation work, 45112000 Excavating and earthmoving work, 45112100 Trench-digging work, 45112200 Soil-stripping work, 45112400 Excavating work, 45112500 Earthmoving work, 45112600 Cut and fill, 45113000 Siteworks, 45222000 Construction work for engineering works except bridges, tunnels, shafts and subways, 45231000 Construction work for pipelines, communication and power lines, 45231110 Pipelaying construction work, 45231111 Pipeline lifting and relaying, 45231112 Installation of pipe system, 45231400 Construction work for electricity power lines, 45231600 Construction work for communication lines, 45232000 Ancillary works for pipelines and cables, 45232150 Works related to water-distribution pipelines, 45232410 Sewerage work, 45232411 Foul-water piping construction work, 45232420 Sewage work, 45232451 Drainage and surface works, 45233123 Secondary road construction work, 45233290 Installation of road signs, 45233291 Installation of bollards, 45233293 Installation of street furniture, 45233294 Installation of road signals, 45233310 Foundation work for highways, 45233320 Foundation work for roads, 45233330 Foundation work for streets, 45233340 Foundation work for footpaths, 45236000 Flatwork, 45236100 Flatwork for miscellaneous sports installations, 45236110 Flatwork for sports fields, 45236114 Flatwork for running tracks, 45236200 Flatwork for recreation installations, 45236210 Flatwork for children's play area, 45236230 Flatwork for gardens, 45236250 Flatwork for parks