Rules+%26+standards

DNV has developed rules and standards for ships for more than 140 years, and is a world leading classification society. We also develop rules and standards for other industries such as the offshore industry, particularly within oil- and gas field development, production and transportation. You can access our rules and standards through this page for free.

Rules and standards from DNV

The content of the DNV service documents made available to you for downloading is the subject of intellectual property rights reserved by DNV. DNV grants you a right to download the documents in electronic format and a right to use the documents with the following restrictions: By downloading the documents you acknowledge and accept that user restrictions may apply to some of the documents. Such user restrictions will be found at the front page of the relevant documents and will typically restrict your ability to use the documents to offer classification, certification and/or verification services, including the issuance of certificates and/or declarations of conformity. DNV is not responsible for the consequences arising from any use of these documents. It is strictly prohibited to upload any of these documents to the Internet without DNV’s explicit prior written consent. However, please feel free to provide a link to this official site from your intranet and/or Internet website.

Important information:
The electronic PDF version of any document made available herein is the officially binding version of that document. The documents are available free of charge in PDF format.

Rules for Classification of Ships

The Rules for classification of ships lay down procedural requirements for obtaining and retaining class certificates, and technical requirements and acceptance criteria to ships and their equipment.

Rules for Classification of High Speed, Light Craft and Naval Surface Craft

The Rules for classification of high speed, light craft and naval surface craft lay down procedural requirements for obtaining and retaining class certificates, and technical requirements and acceptance criteria for craft and their equipment.

Rules for Other Objects

The Rules for other objects lay down procedural requirements for obtaining and retaining class certificates, and define technical requirements and acceptance criteria to the objects in question.

DNV Statutory Interpretations

DNV Statutory Interpretations lay down the Society’s interpretations of statutory regulations, when not instructed otherwise by the flag administration, and no other IACS or IMO interpretations exist. The publication covers only selected relevant topics and shall under no circumstances be taken as the Society's complete interpretations of such regulations.

DNV Service Specifications

The DNV Service Specifications (DSS) lay down procedural requirements for obtaining and retaining certificates and other conformity statements to the objects in question.

DNV Offshore Service Specifications

The DNV Offshore Service Specifications (OSS) lay down procedural requirements for obtaining and retaining class certificates and other conformity statements for offshore units, installations and objects.

DNV Standards

The DNV Standards (DS) lay down technical requirements and acceptance criteria to the objects in question.

DNV Offshore Standards

The DNV Offshore Standards (OS) lay down technical requirements and acceptance criteria for offshore units, installations and objects.

Standards for Certification

Standards for Certification lay down technical and/or procedural requirements related to obtaining and retaining certificates for products, manufacturers and service suppliers.

Approval Programmes

Approval Programmes lay down technical and/or procedural requirements for approval of products, manufacturers and service suppliers.

Classification Notes

The Classification Notes lay down sound engineering practice and guidance related to rules for classification.

DNV Recommended Practices

The DNV Recommended Practices (RP) lay down sound engineering practice and guidance.

Guidelines

The Guidelines lay down sound engineering practice and guidance.

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