Section 1 General
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 4 Steel Unit Structures - Chapter 3 Structural Design - Section 1 General

Section 1 General

Parent topic: Chapter 3 Structural Design

1.1 Application

1.1.1 This Chapter indicates the general design concepts and loading and the general principles adopted in applying the Rule structural requirements given in this Part.

1.1.2 General definitions of span point, derivation of geometric properties of section and associated effective area of attached plating are given in this Chapter.

1.1.3 Additional requirements relating to functional unit types are also dealt with under the relevant unit type given in Pt 3 Functional Unit Types and Special Features.

1.1.4 General principles of subdivision and requirements for cofferdams are given in this Chapter.

1.1.5 Pt 4, Ch 3, 2 Design concepts and Pt 4, Ch 3, 5 Number and disposition of bulkheads are not applicable to ship units and other surface type units. Instead, structural idealisation aspects of ship units are to comply with Pt 10, Ch 1, 8 Structural idealisation and Pt 4, Ch 3, 3 Structural idealisation, as applicable. Structural idealisation aspects of other surface type units are to comply with Pt 3, Ch 3, 3 Structural idealisation of the Rules for Ships.

1.1.6 The number and arrangement of bulkheads on ship units and other surface type units are given in Pt 3, Ch 3, 4 Bulkhead requirements of the Rules for Ships, which are to be complied with, as applicable.

1.1.7 For all unit types, structural design loads as given in Pt 4, Ch 3, 4 Structural design loads should be considered as applicable.

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