Reduced Extreme Event
An environmental event with a return period less than 100 years that can be used in combination with other rare events for accidental load cases.
NOTE 1 There can be several reduced extreme environmental events.
NOTE 2 The appropriate reduced extreme environmental event depends on the nature of the failure and the time to repair.
NOTE 3 A 10 year return period is typical.
Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards