Division Group A: attributes for construction/worksF1
United Kingdom
| IA01-9 | Design and construction |
| IA02-2 | Design and lay |
| IA03-5 | Extension |
| IA04-8 | Exterior |
| IA05-1 | Finishing work |
| IA06-4 | Fitted |
| IA07-7 | Fitting for |
| IA08-0 | Floors |
| IA09-3 | Interior |
| IA10-6 | Modernisation |
| IA11-9 | Modification |
| IA13-5 | Reconstruction |
| IA14-8 | Renovation and extension |
| IA15-1 | Replacement |
| IA16-4 | Multi-storey |
| IA17-7 | Onshore |
| IA18-0 | Resurfacing |
| IA19-3 | Conversion |
| IA20-6 | Offset |
| IA21-9 | Offshore |
| IA22-2 | Overhaul |
| IA23-5 | Overhaul and repair |
| IA24-8 | Reconditioning |
| IA25-1 | Refurbishment |
| IA26-4 | Removal |
| IA27-7 | Renewal |
| IA28-0 | Strengthening |
| IA29-3 | Hollow |
| IA30-6 | Illuminated |
| IA31-9 | Improvements |
| IA32-2 | Rough terrain |
| IA33-5 | Scrap |
| IA34-8 | Widening |
| IA35-1 | Partition |
| IA36-4 | For buildings |
| IA37-7 | For insulation |
| IA38-0 | For mechanical installations |
| IA39-3 | For motorways |
| IA40-6 | Renovation |
| IA41-9 | Restoration |
| IA42-2 | Wall |