45251111 - Construction work for nuclear reactors

CPV code 45251111 in the EU Common Procurement Vocabulary refers to Construction work for nuclear reactors. It sits at level 6 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45251100, narrowing the broader category into the specific area of construction work for nuclear reactors. As a leaf code, 45251111 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 construction work for nuclear reactors. Contracting authorities across the EU use 45251111 in TED notices and national procurement portals to signal that a tender relates to construction work for nuclear reactors.