CPV code 45112300 designates Infill and land-reclamation work in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
45112300 sits under 45112000 (Excavating and earthmoving work) and groups 6 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.