45252000 - Construction works for sewage treatment plants, purification plants and refuse incineration plants

CPV code 45252000 in the EU Common Procurement Vocabulary refers to Construction works for sewage treatment plants, purification plants and refuse incineration plants. It sits at level 4 of the CPV hierarchy as a category within the 45 division. This code is nested directly under 45250000, narrowing the broader category into the specific area of construction works for sewage treatment plants, purification plants and refuse incineration plants. It is further divided into 3 direct sub-codes, each refining the scope of construction works for sewage treatment plants, purification plants and refuse incineration plants into more specific goods, services or works. Contracting authorities across the EU use 45252000 in TED notices and national procurement portals to signal that a tender relates to construction works for sewage treatment plants, purification plants and refuse incineration plants.