Definition(s)
Atmospheric zone
The external surfaces of the unit above the splash zone.
Source: Offshore Standard DNV-OS-C101, Design of Offshore Steel Structures, General (LRFD Method, Det Norske Veritas, April 2011. Global Standards
Atmospheric zone
That part of the external structure above the splash zone.
Source: Rules and Regulations for the Classification of Mobile Offshore Units, Part 8, Corrosion Controls, June 2013, Lloyd’s Register, Global Standards