Design situation involving exceptional conditions of the structure or its exposure.
- EXAMPLE Impact, fire, explosion, loss of intended differential pressure).
Source: ISO 19900:2013, Petroleum and natural gas industries – General requirements for offshore structures. Global Standards
Exceptional situation of the structure. EXAMPLE Impact; fire; explosion; local failure; loss of intended differential pressure (e.g. buoyancy).
Source: ISO 19905-1:202, Petroleum and natural gas industries – Site-specific assessment of mobile offshore units – Part 1: Jack-ups. Global Standards