Information in the standard added in order to increase the understanding of the requirements.
Sources: Offshore Standard DNV-OS-C101, Design of Offshore Steel Structures, General (LRFD Method, Det Norske Veritas, April 2011. Global Standards
Contains advice which is not mandatory for the assignment or retention of class, but with which the Society, in light of general experience, advises compliance.
Source: Rules for Classification – Offshore units, DNVGL-OU-0101, Offshore drilling and support units, DNV GL, July 2015. Global Standards