Section 1 General requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules for the Application of Sandwich Panel Construction to Ship Structure, July 2022 - Chapter 2 Material Manufacture and Construction Procedures - Section 1 General requirements

Section 1 General requirements

1.1 General

1.1.1 Steel sandwich materials used for the construction or repair of marine structures which are classed or certified or are intended for classification or certification by LR, are to be manufactured, tested and inspected in accordance with the Rules for the Manufacture, Testing and Certification of Materials, July 2022 and the Rules for the Application of Sandwich Panel Construction to Ship Structure, July 2022.

1.1.2 The material grade of the perimeter bars are to comply with the requirements of Table 2.2.1 Material classes and grades in Pt 3, Ch 2 Materials of the Rules and Regulations for the Classification of Ships, July 2022 for secondary structures.

1.1.3 Non-metallic core materials are to be applied, tested and certified in accordance with this Chapter of these Rules.

1.1.4 The methods of construction are to be in accordance with these Rules.

1.2 Electrical continuity

1.2.1 For protection against the possibility of electric shock in the event of an electrical earth fault, electrical continuity of the ship’s metallic structure is to be ensured. Metallic parts of structural panels and members are to be effectively earthed to the ship’s hull, if necessary by means of dedicated robust earthing conductor(s) having a cross-sectional area of not less than 16 mm2.


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