45252127 - Wastewater treatment plant construction work

CPV code 45252127 in the EU Common Procurement Vocabulary refers to Wastewater treatment plant construction work. It sits at level 6 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45252100, narrowing the broader category into the specific area of wastewater treatment plant construction work. As a leaf code, 45252127 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns wastewater treatment plant construction work. Contracting authorities across the EU use 45252127 in TED notices and national procurement portals to signal that a tender relates to wastewater treatment plant construction work.