Qualibat
- 1112 Demolition (confirmed technicality)
- 1233 Beaten pipe piles, field drilled, dark
- 1273 Sheet piles (superior technicality)
- 1293 Support (higher technicality)
- 1312 Earthworks - excavations (confirmed technicality)
- 2113 Masonry (higher technicality) and standard reinforced concrete
- 2142 Repair of masonry (confirmed technicality) and standard reinforced concrete
- 2214 Reinforced concrete and prestressed concrete (exceptional technicality)
- 2253 Waterproof structures in reinforced concrete and prestressed concrete (superior technicality)
- 2313 Manufacture and installation of traditional framework and wooden structure (superior technicality)
- 2361 Manufacture and installation of timber frame buildings (standard technicality)
- 2411 Metal constructions and structures (common technicality)
- 3181 Cover in ribbed or corrugated sheets (common technicality)
- 3811 Simple cladding (common technicality)