DNVGL IND SERVICE IV-6-3
IV-Rules for Classification and Construction Industrial Services Part 6-Offshore Technology Chapter 3-Fixed Offshore Installations
| Organization: | DNVGL |
| Publication Date: | 1 June 2007 |
| Status: | active |
| Page Count: | 38 |
scope:
In this Chapter the requirements for the different types of fixed offshore installations are defined.
Types of fixed installations The following types have to be distinguished:
- installations permanently fixed by piling (pile foundation)
- installations resting on the sea bed by action of gravity (gravity foundation)
- installations with excess of buoyancy, connected to a base by tensioned anchoring elements (tension leg foundation)
Materials used for construction of the main structure/hull
The following materials may be used for the main structure/hull:
- steel
- reinforced concrete
- any other suitable material
- combination of above materials
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