CPV code 45235100 designates Construction work for airports in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
45235100 sits under 45235000 (Construction work for airfields, runways and manoeuvring surfaces) and groups 1 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.