45312311 - Lightning-conductor installation work

CPV code 45312311 in the EU Common Procurement Vocabulary refers to Lightning-conductor installation work. It sits at level 6 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45312300, narrowing the broader category into the specific area of lightning-conductor installation work. As a leaf code, 45312311 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 lightning-conductor installation work. Contracting authorities across the EU use 45312311 in TED notices and national procurement portals to signal that a tender relates to lightning-conductor installation work.