71311100 - Civil engineering support services

CPV code 71311100 in the EU Common Procurement Vocabulary refers to Civil engineering support services. It sits at level 5 of the CPV hierarchy as a subcategory within the 71 division. This code is nested directly under 71311000, narrowing the broader category into the specific area of civil engineering support services. As a leaf code, 71311100 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 civil engineering support services. Contracting authorities across the EU use 71311100 in TED notices and national procurement portals to signal that a tender relates to civil engineering support services.