CPV code 45332000 designates Plumbing and drain-laying work in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
45332000 sits under 45330000 (Plumbing and sanitary works) and groups 3 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.