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RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2025 AMENDMENTS

06/03.2025


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RULES FOR CONSTRUCTION OF SEA-GOING SHIPS ENGAGED ON DOMESTIC VOYAGES 2025 AMENDMENTS

06/03.2025


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RULES FOR MATERIALS AND WELDING 2025

05/30.2025


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RULES FOR MATERIALS AND WELDING 2025 AMENDMENTS

04/14.2025


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RULES FOR INTELLIGENT SHIPS 2025

03/31.2025


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Rules For Construction and Equipment of ships carrying liquefied gases in bulk

03/30.2016

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Rules for Construction and Equipment of Ships Carrying Dangerous Liquid Chemicals in Bulk,RCN No.1,2025

01/15.2025


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Rules and Standards for Ammonia-fuelled Vessels

01/09.2025

With the significant advancement of zero carbon emissions target in the shipping industry, alternative fuels play a crucial role as the main force in reducing emissions, especially zero-carbon fuels.
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2025 Amendments to Rules for Construction and Equipment of Ships Carrying Liquefied Gases in Bulk

12/27.2024


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CCS Wuhan Rules & Research Institute Provided Risk Assessment Services for TEMAS of Indonesia

12/12.2024

Recently, CCS Wuhan Rules & Research Institute organized a risk assessment meeting for the 488 TEU LNG fuelled ship of PT TEMAS Tbk of Indonesia.
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RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS((R001CN01-2025)

11/22.2024


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Rules for Materials and Welding (R002CN01-2025)

11/22.2024


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China Classification Society (CCS) Wuhan Rules & Research Institute Signed a Research Collaboration Agreement with Nanyang Technological University

11/20.2024

Recently, in order to promote the implementation of the Memorandum of Understanding (MOU) between China Classification Society (CCS) and Maritime & Port Authority of Singapore (MPA), CCS Wuhan Rules & Research Institute has singed a joint research collaboration agreement with Martitime Energy and Sustainable Development (MESD) Center of Excellence of Nanyang Technological University, the two sides will carry out in-depth cooperation in the field of marine green methanol fuel supply chain.
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Rules for Construction of Ocean-Going Steel Fishing Vessels

06/30.2020

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Rules for Construction of Ocean-going Steel Fishing Vessels (2024 RCN No.2)

11/12.2024


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CCS Rule Change Notice for Rules Classification of Mobile Offshore Units(RCN No.1,2024)

09/30.2024


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CCS Rules System for Cruise Ships

07/18.2024

CCS Rules System for Cruise Ships

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Rules For Classification of Sea-going Steel Ships(R001CN03-2024)

07/09.2024


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RULES FOR SHIPS USING NATURAL GAS FUELS 2024

07/01.2024


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RULES FOR CONSTRUCTION OF SEA-GOING SHIPS ENGAGED ON DOMESTIC VOYAGES 2024

06/12.2024


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Rules & Guidelines

01/01.1970

Click here to view, retrieve, and download more CCS rules & guidelines
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CCS Rules

01/01.1970

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Rules development and research of offshore engineering

01/01.1970

China Classification Society (CCS) has been committed to offshore engineering exploration and development services and has developed a large number of offshore engineering rules and guidelines through technical accumulation and research based on the technical services provided to owners of offshore engineering. A complete system of offshore engineering rules has been established. By closely following the national energy development strategy, CCS accelerates technical research on deep-sea floating production systems, deep-sea subsea pipelines, and deep-sea subsea production systems. CCS has independently carried out more than 20 core research projects of the Ministry of Science and Technology, the Ministry of Industry and Information Technology, the State Administration of Work Safety. CCS has mastered core technologies such as the general arrangement of offshore installations and units, performance calculations, sloshing load calculations, motion suppression, global strength calculations, dynamic positioning and position mooring calculations. For more details, please contact us:Tel: 0086-22-65173090 E-mail: ot@ccs.org.cn
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Rules & Guidelines Information

01/01.1970

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Scientific Research on Rules

11/13.2020

The China Classification Society (CCS) is the only professional organization engaged in the ship classification survey business in China and a full member of the International Association of Classification Societies (IACS). CCS formulates classification rules for ships and offshore installations and is entrusted by China MSA to prepare technical regulations for ships and offshore installations. CCS has scientific research information institutions such as the Rules and Technology Center (CCS Shanghai Rules & Research Institute), CCS Wuhan Rules & Research Institute, Offshore Engineering Technology Center, Technology Research and Development Center, Science and Technology Innovation Test Center, and Information Center.Since its establishment, CCS has gradually formed a system of rules and regulations for sea-going vessels (including ocean-going fishing vessels), inland vessels, offshore mobile drilling vessels, fixed platforms, and container ships through the study of international advanced technical standards and the accumulation of experience in the process of plan approval and survey. The system of rules and guidelines for ships covers high-tech ship types such as very large crude carriers (VLCC), very large container ships, very large ore carriers, membrane liquefied natural gas (LNG) carriers, and large vehicle carriers, supporting the development of the shipbuilding industry in China, and promoting the safety of water transport.CCS concentrates its efforts on the research of key technologies for large and high-tech ship types and for offshore engineering, green smart technologies, and new energy application technologies, and has issued standards such as the Rules for Green Eco-ships, Rules for Intelligent Ships, and Rules for Cruise Ships. The rules for the structure of bulk carriers and oil tankers have passed the International Goal-based Ship Construction Standards for Bulk Carriers and Oil Tankers (IMO GBS) audit without defects, and the audit results are the best among the members of the International Association of Classification Societies. Fruitful results have been achieved in the research of key technologies such as intelligent ships/unmanned ships, application of LNG power on water, very large container ships, very large ore ships, LNG carriers, mobile platforms and floating units, reaching the international leading or advanced level. A large number of very large, high-performance, high-value-added ships and offshore mobile platforms have joined CCS. The system of CCS rules and standards and the technical service capabilities are widely accepted by international and domestic industries.CCS continues to increase its influence in the international maritime community, providing strong technical support for the Chinese government to participate in international maritime affairs, safeguard national maritime rights and interests, and support the development of related industries. CCS actively participates in the formulation of international maritime technical standards and submits more than half of the Chinese proposals to the International Maritime Organization on an annual average basis. CCS has played an important role in the formulation of international maritime technical standards including the Ballast Water Management Convention, Hong Kong Convention, Common Structural Rules for Oil Tankers and Bulk Carriers, Energy Efficiency Design Index for new ships, Code on Noise Levels on Board Ships, Polar Code, IGF Code, and asbestos-free thresholds, safeguarding the interests of the country and related industries, and making great contributions to the development of international maritime technology.In the future, CCS will continue to improve its capabilities in scientific and technological innovation and leading development, to comprehensively form a scientific and technological work system with the ability for strong independent innovation, high-level rules and standards, and scientific evaluation and experiment, and fulfil the mission of “safety, environmental protection, and creating value for clients and the society”. For more details, please contact us:Sea Ship: CCS Shanghai Rules & Research Institute, Tel: 021-61089200, E-mail: ccssr@ccs.org.cnRiver Ship: CCS Wuhan Rules & Research Institute, Tel: 027-85822350, E-mail: ccswra@ccs.org.cn Offshore Engineering: Offshore Engineering Technology Center, Tel: 022-62022888, E-mail: ot@ccs.org.cn
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Compass-Rules, specifications calculation system for ocean-going vessels

12/15.2020

Compass-Rules, as an important subsystem of the Compass engineering calculation software system of CCS, is widely used in the fields of ship drawing review, norms and standards research, aided design, as well as specification computation and drawing review computation for shipping safety assessment. The software consists of 30 computation modules in four specialties, which are ship structure, performance, turbine and electrical power. According to the requirements of applicable codes and regulations, it is capable of computing the total strength and local strength of the hull structure, large opening deck strength, integrity stability, damage stability and grain stability, allowable gravity center height, freeboard, loading, oil spill, tonnage, crankshaft strength, gear strength, longitudinal vibration, backlash, torsional vibration, alignment, onshore and on-board short-circuit current, as well as the computation of longitudinal bone fatigue strength of oil tankers, container ships and bulk carriers with the simplified stress analysis method. After years of use by our in-house professionals as well as external design institutions, its practicality, operability, computation accuracy and authoritativeness have been unequivocally affirmed by the industry.Compass-Rules computation system for ocean-going vessels is applicable for computation and verification of specifications in ship stability, hull structure, turbine and electrical specialties, and it consists of 30 calculation modules: Technical support: Hu Tao, phone: 0086-21-61089555, email: hutao@ccs.org.cn.If you have any questions in the use of our software, please do not hesitate to fill out the form "HELPDESK" on the right side of this page, and we will reply as soon as possible.  Software version and download link: VER. 2020 (2020-7-1)
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COMPASS-CSR, common structural rules computation software of China Classification Society

12/15.2020

The software is specially designed for ship structure analysis in accordance with the International Association of Classification Societies’ (IACS) Common Structural Rules (CSR), including descriptive computation and direct finite element calculations and analysis, and it is updated in line with the IACS CSR BC & OT specifications, which will provide strong support for the application of CSR BC & OT specifications in the Chinese shipbuilding industry.The CSR calculation software is suitable for CSR vessels with shipbuilding contracts dated from April 1, 2006 to June 30, 2015, and it includes modules such as Structure Design Program for Bulk Carriers (SDP-BC), Structure Design Program for Oil Tankers (SDP-OT), and direct strength analysis (DSA).COMPASS-HCSR computation software is suitable for CSR ships with construction contracts on or after July 1, 2015, and it includes two modules: the structure design program (SDP) module for descriptive specification verification and the direct strength analysis (DSA) module.Method to obtain the software: 1. Download and print the Computing Software License Agreement;2. Fill in the name and legal person of your organization and affix your seal in the signature area indicated for "Party B" in the Agreement.3. Fill in the form in the attachment according to your needs, leaving the "Registration Code" column blank; 4. Fax the completed Agreement to 0086-10-58112869, and you will receive a registration code once the Agreement is approved. 
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