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1、DNV-OS-C401 ”Fabrication and Testing of Offshore Structures”,Jon R.Hansen 2007.04.16,Version,Slide 2,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures,This is whats all about,Version,Slide 3,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures,Course Purpose. 培训目
2、的 To give a brief overview of DNV offshore standards. 介绍DNV海工标准 To give basic knowledge of fabrication standard OS C-401 介绍海工建造标准OS C-401的基础知识,Version,Slide 4,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures,DNVs ROLE IN OFFSHORE CLASSIFICATION DET NORSKE VERITAS (DNV) is an aut
3、onomous and independent foundation with the objectives of safeguarding life, property and the environment, at sea and onshore. DET NORSKE VERITAS(简称DNV)是一家独立的公司。致力于在海上或海岸上保护工作人员的生命，公共财产及设备的安全和对环境进行保护。 DNV undertakes classification, certification, and other verification and consultancy services relat
4、ing to quality of ships, offshore units and installations, and onshore industries worldwide, and carries out research in relation to these functions. DNV提供在下列领域内为客户提供分级、验证、认证和咨询服务：造船、海工部件和安装、海岸工程以及在这些相关领域的专业研究。,Version,Slide 5,08/12/2018,Offshore Standards 海工标准包括：,DNV-OS-C401”Fabrication and Testing
5、 of Offshore Structures”,A: Quality and Safety Methodology 质量和安全控制方法,B: Materials Technology 材料技术,C: Structures 结构,D: Systems 系统,E: Special Facilities 特殊设备,F: Pipelines and Risers 安装管道和竖管,A,B,C,D,E,F,Version,Slide 6,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures,Offshore Stand
6、ards. 海工标准 Provide technical provisions and acceptance criteria for general use by the offshore industry as well as the technical basis for DNV offshore services. 海工标准为海工建造提供技术条款和可接受的标准,Version,Slide 7,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures,Recommended Practices. Provi
7、de proven technology and sound engineering practice as well as guidance for the higher level Offshore Service Specifications and Offshore Standards. 提供技术和录音实例以及提供高水平的海工服务规格和海工标准指南。,Version,Slide 8,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures,DNV Offshore Codes are offered wi
8、thin the following areas: A) Qualification, Quality and Safety Methodology 资格、品质和安全控制方法 B) Materials Technology 材料技术 C) Structures 结构 D) Systems 系统 E) Special Facilities 特殊设备 F) Pipelines and Risers 安装管道和竖管 G) Asset Operation 资产管理 H) Marine Operations 海工运营,Version,Slide 9,08/12/2018,DNV-OS-C401”Fabr
9、ication and Testing of Offshore Structures”,Difference Ship Rules versus Offshore rules 船舶规范与海工规范不同的原因 Rules for Offshore projects are in some areas quite different from the traditional Ship Rules, due to long time on location with no or limited possibilities leave the location. ( 20 25 years servic
10、e time) 海工产品必须在海上持续工作2025年 船舶可以进坞进行检验（中间检验、特检）,Version,Slide 10,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures”,Some important aspects:几个重要方面 Structural integrity and strength (Loads based on environmental conditions on actual location) 结构形式和强度（载荷根据工作地点的实际环境） Accidental loads
11、to be included in Design Loads (DAL) 设计载荷还考虑到可能受到的意外载荷 Fatigue (attention to details)疲劳问题 Maintenance保养维修 Corrosion protection防腐 In service inspection ( Access etc. should be planned and provided during newbuilding phase)使用过程中的检验 Increased reliability of Marine systems, utility systems and equipment
12、. 提高各种系统和设备、设施的可靠性 Safety systems (Fire, explosion, abandon installation etc.) 防火、防爆、逃生等安全系统 Shelf state requirements to accommodation and working environment 当地的居住和工作环境要求,Version,Slide 11,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures”,DNV-OS-C401”Fabrication and Testing of O
13、ffshore Structures” DNV-OS-C401海工结构建造和试验 CH. 1 INTRODUCTION 介绍 CH. 2 TECHNICAL PROVISIONS技术条款 CH. 3 CERTIFICATION AND CLASSIFICATION验证与入级,Version,Slide 12,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures”,CH. 1 INTRODUCTION A 200 Objective 201 The objectives of this standard are
14、 to: Provide an internationally acceptable standard to ensure the quality of all welding operations used in offshore fabrication, through identifying appropriate welding procedures, welder qualifications and test methods. 提供国际认可的标准，通过对焊接程序、焊工资格和测试方法的认证来保障海工焊接质量 Serve as a technical reference documen
15、t in contractual matters between purchaser and contractor. 为买方和承包人就合同问题提供技术参考文件 Serve as guideline for designer, purchaser and contractor 为设计者、买方和承包商提供指导 Specify minimum requirements for welding operations subject to DNV certification and classification. 将焊接工作的要求最细化，使其符合DNV的认证和分级要求,Version,Slide 13,
16、08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures”,Chapter 2 Technical provisions 第二章：技术条款 Sec. 1 Welding Procedures and Qualification of Welders 焊接工艺和焊工取证 Sec. 2 Fabrication and Tolerances建造与公差 Sec. 3 Non-Destructive Testing无损探伤 Sec. 4 Other Tests其它试验 Sec. 5 Corrosion Protection Systems防腐系统 Sec. 6 Miscellaneous其它,Version,Slide 14,08/12/2018,DNV-OS-C401”Fabrication and Testing of Offshore Structures”,Sec. 1 Welding Procedures and Qualification of W
