45255121 - Topside facilities construction work

CPV code 45255121 in the EU Common Procurement Vocabulary refers to Topside facilities construction work. It sits at level 6 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45255100, narrowing the broader category into the specific area of topside facilities construction work. As a leaf code, 45255121 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 topside facilities construction work. Contracting authorities across the EU use 45255121 in TED notices and national procurement portals to signal that a tender relates to topside facilities construction work.