| 405 / | HD | HYDRAULIC AND EARTH ENGINEERING | 
| 195.1 | DF | MARINE STRUCTURE OR FABRICATION THEREOF {11} | 
| 203 |  | .~ Floatable to site and supported by marine floor {3} | 
| 204 | DF | .~.~> With assembly of sectional supporting structure at site | 
| 205 | DF | .~.~> With ballasting means to sink or position structure at site {2} | 
| 209 | DF | .~.~> Separable transport means |