The publication presented to your attention presents the Rules developed and released by DNV classification society and addressing the FPS units and installations, stating the conditions and procedures used for the purpose of assigning and maintaining the classification status.
The publication consists of three parts providing general info on the basic principles of classification and procedures in use, the requirements relating to the design and construction for the phase of the newbuilding and, finally, requirements applicable to the maintenance of class status during the operation of the unit. The Rules apply to the offshore installations of the ship-shaped, column-stabilized, self-elevating, tension-leg and deep draught types utilized for the hydrocarbon production, loading, storage and offloading services.
There are some special considerations for conversions contained in the the first appendix, while the other two appendices provide the intro to the offshore classification and guidance on the mooring equipment acceptance standard. The opening and closing chapters of the publication provide information on the current and historical changes made to this document, correspondingly.