标准编号：ISO 19901-3:2014
中文名称：石油和天然气工业 海上建筑物的特殊要求 第3部分：最上层建筑物
英文名称：Petroleum and natural gas industries — Specific requirements for offshore structures — Part 3: Topsides structure
发布日期：2014-12
标准范围
This part of ISO 19901 gives requirements for the design, fabrication, installation, modification andstructural integrity management for the topsides structure for an oil and gas platform. It complementsISO 19902, ISO 19903, ISO 19904-1, ISO 19905-1 and ISO 19906, which give requirements for variousforms of support structure. Requirements in this part of ISO 19901 concerning modifications andmaintenance relate only to those aspects that are of direct relevance to the structural integrity of thetopsides structure.The actions on (structural components of) the topsides structure are derived from this part ofISO 19901, where necessary in combination with other International Standards in the ISO 19901 series.The resistances of structural components of the topsides structure can be determined by the use ofinternational or national building codes, as specified in this part of ISO 19901. If any part of the topsidesstructure forms part of the primary structure of the overall structural system of the whole platform, therequirements of this part of ISO 19901 are supplemented with applicable requirements in ISO 19902,ISO 19903, ISO 19904-1, ISO 19905-1 and ISO 19906.This part of ISO 19901 is applicable to the topsides of offshore structures for the petroleum and naturalgas industries, as follows:— topsides of fixed offshore structures;— discrete structural units placed on the hull structures of floating offshore structures and mobileoffshore units;— certain aspects of the topsides of arctic structures.This part of ISO 19901 is not applicable to those parts of the superstructure of floating structuresthat form part of the overall structural system of the floating structure; these parts come under theprovisions of ISO 19904-1. This part of ISO 19901 only applies to the structure of modules on a floatingstructure that do not contribute to the overall integrity of the floating structural system.This part of ISO 19901 is not applicable to the structure of hulls of mobile offshore units.This part of ISO 19901 does not apply to those parts of floating offshore structures and mobile offshoreunits that are governed by the rules of a recognized certifying authority and which are wholly withinthe class rules.Some aspects of this part of ISO 19901 are also applicable to those parts of the hulls of floating offshorestructures and mobile offshore units that contain hydrocarbon processing, piping or storage.This part of ISO 19901 contains requirements for, and guidance and information on, the followingaspects of topsides structures:— design, fabrication, installation and modification;— in-service inspection and structural integrity management;— assessment of existing topsides structures;— reuse;— decommissioning, removal and disposal;— prevention, control and assessment of fire, explosions and other accidental events.This part of ISO 19901 applies to structural components including the following:— primary and secondary structure in decks, module support frames and modules;— flare structures;— crane pedestal and other crane support arrangements;— helicopter landing decks (helidecks);— permanent bridges between separate offshore structures;— masts, towers and booms on offshore structures.
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