Set of physical conditions during a certain reference period for which the design will demonstrate that relevant limit states are not exceeded. NOTE Adapted from ISO 19900:2002, definition 2.13.
Source: ISO 19901-7:2013, Petroleum and natural gas industries – Specific requirements for offshore structures – Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units. Global Standards
Source: ISO 19900:2013, Petroleum and natural gas industries – General requirements for offshore structures. Global Standards