Section 7 Strengthening requirements for navigation in ice conditions
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Special Service Craft, July 2022 - Part 7 Hull Construction in Aluminium - Chapter 5 Special Features - Section 7 Strengthening requirements for navigation in ice conditions

Section 7 Strengthening requirements for navigation in ice conditions

Parent topic: Chapter 5 Special Features

7.1 General

7.1.1 Where an ice class notation is to be included in the class of a craft, the scantlings will require special consideration, see Pt 3, Ch 2, 9 Navigation in ice.

7.2 Shell plating

7.2.1 In way of the main ice belt zone, the thickness of the shell plating is to be determined by direct calculation. A copy of these direct calculations is to be submitted for consideration.

7.2.2 Changes in plating thicknesses in the longitudinal direction are to take place gradually.

7.2.3 In general all welded seams and butts in way of the main ice belt are to be dressed smooth.

7.3 Shell framing requirements

7.3.1 The section modulus of an ice framing stiffening member is to be determined by direct calculation. A copy of these direct calculations is to be submitted for consideration.

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