45221200 - Construction work for tunnels, shafts and subways

CPV code 45221200 in the EU Common Procurement Vocabulary refers to Construction work for tunnels, shafts and subways. It sits at level 5 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45221000, narrowing the broader category into the specific area of construction work for tunnels, shafts and subways. It is further divided into 16 direct sub-codes such as 45221210, 45221211, 45221213, each refining the scope of construction work for tunnels, shafts and subways into more specific goods, services or works. Contracting authorities across the EU use 45221200 in TED notices and national procurement portals to signal that a tender relates to construction work for tunnels, shafts and subways.