DNV RULES FOR CLASSIFICATION OF OFFSHORE DRILLING AND SUPPORT UNIT

DNV-OSS-101 issued in 2014. Current changes; Principles and Procedures for Classification - Introduction, classification principles, classification scope and notations, assignment of class, retention of class, certification of materials, components and systems, legal provisions; Design and Construction Provisions - design and construction requirements for 1A1 MOU main class, supplementary requirements for drilling units, well intervention units, accommodation units, crane units, and wind turbine installation units, optional class notations; Classification in Operation - General provisions, general requirements for structure and machinery surveys, periodical survey extent for main class, miscellaneous main class surveys, periodical survey extent for additional service notations, optional class survey notations, alternative survey arrangements, surveys performed by approved companies; Introduction to Offshore Classification; Mooring Equipment Acceptance Standard Guidance; Historic changes - in short, this document contains all applicable requirements. It shall be on board any classed offshore installation and be used by both class inspector and crew members preparing their facility to the forthcoming inspection.