Section 6 Reciprocating internal combustion engines
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 2 Machinery and Engineering Systems - Part 1 General Requirements - Chapter 3 Requirements for Design, Construction, Installation and Sea Trials of Engineering Systems - Section 6 Reciprocating internal combustion engines

Section 6 Reciprocating internal combustion engines

Parent topic: Chapter 3 Requirements for Design, Construction, Installation and Sea Trials of Engineering Systems

6.1 Design and testing

6.1.1  For details of design requirements, see Vol 2, Pt 2, Ch 1 Reciprocating Internal Combustion Engines.

6.1.2 For details of materials and component testing requirements, see Vol 2, Pt 2, Ch 1, 2 Materials and components.

6.1.3 For details of engine type testing requirements, see Vol 2, Pt 2, Ch 1, 13 Type Testing – General and LR’s Type Approval Test Specification No. 4 – Type Testing of Reciprocating Internal Combustion Engines and Associated Ancillary Equipment.

6.2 Construction and welding

6.2.1 Welding of engine structures is to be in accordance with the requirements specified in Ch 13 Requirements for Welded Construction of the Rules for the Manufacture, Testing and Certification of Materials (hereinafter referred to as the Rules for Materials).

6.2.2 On completion of welding and stress relief heat treatment, welds are to be examined. Welds in transverse girder assemblies are to be crack detected by an approved method. Other joints are to be similarly tested if required by the Surveyors.

6.2.3 Forgings and castings are to be examined at the manufacturer's works.

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