Catalog of standards
Catalog of standards | Group code | Title |
| 93.010 | Civil engineering in general |
| 93.020 | Earthworks. Excavations. Foundation construction. Underground works |
| 93.025 | External water conveyance systems |
| 93.025 | |
| 93.030 | External sewage systems |
| 93.040 | Bridge construction |
| 93.060 | Tunnel construction |
| 93.080 | Road engineering |
| 93.100 | Construction of railways |
| 93.110 | Construction of ropeways |
| 93.120 | Construction of airports |
| 93.140 | Construction of waterways and ports |
| 93.160 | Hydraulic construction |