The Norwegian Oil Industry Association (OLF) and Federation of Norwegian Manufacturing Industries (TBL). Rev. 2, June 1998. 23р. This NORSOK standard defines the minimum requirements for subsea structures and piping systems (template and satellite structures, manifold and riser base structures, protection structures, piping modules). This standard is intended to give general requirements and should cover both shallow water, deep water and very deep water; diver systems and diverless systems; guideline and guidelineless systems; overtrawlable and non-overtrawlable systems, etc.