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Offshore Service Specification no. DNV-OSS-302 is dedicated to the Offshore Riser Systems. It was released by Det Norske Veritas in October 2010 and remains the latest edition of the document. It was last amended in 2012 and all changes have been reflected on page 3 of the Specification. The document consists of three major parts - General, Technical Approach, and Service Overview. As one of the leaders in the classification, DNV provides the offshore industry with services relating to the dynamic riser systems. In this definition, "dynamic" means non-stationary riser. Metallic and composite risers, umbilicals, flexible pipes and loading hoses are included in the "dynamic riser systems" notation. The main objectives of this OSS are to describe the overall competence and experience of DNV Class Society relating to such systems, and to describe the technical advisory, verification and certification services offered by DNV for dynamic riser systems. This OSS is used by DNV as a reference when preparing proposals to the Clients, providing a clear understanding of the scope of work to be done. The document itself consists of three major sections supplemented with two appendixes...