Section 1 General
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 1 Ship Structures - Part 3 Design Principles and Constructional Arrangements - Chapter 3 Ship Control Systems - Section 1 General

Section 1 General

Parent topic: Chapter 3 Ship Control Systems

1.1 Application

1.1.1 This Chapter applies to all of the ships detailed in the Rules, and requirements are given for rudders, stabilisers, and appendages, nozzles, steering gear, bow and stern thrust unit structure and waterjet propulsion systems. For podded propulsion systems, see Vol 2, Pt 4, Ch 4 Podded Propulsion Units.

1.2 General

1.2.1 The following symbols and definitions are applicable to this Chapter, unless otherwise stated:

σo = minimum yield stress or 0,5 per cent proof stress of the material, in N/mm2 and is not to be taken greater than 0,7σu or 450N/mm2, whichever is the lesser

where

σu = ultimate tensile strength of the material, in N/mm2

1.3 Navigation in ice

1.3.1 Where an ice class notation is to be included in the class of a ship, the requirements of Vol 1, Pt 5, Ch 2, 4 Guidance for ice environment are to be complied with.

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