Section 4 Ice environment
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules for the Classification of Trimarans, July 2022 - Volume 1 Regulations and Structural Arrangements - Part 5 Environmental Loads - Chapter 2 Environmental Conditions - Section 4 Ice environment

Section 4 Ice environment

4.1 General

4.1.1 Ice class notations may be applied in accordance with the Complementary Rules. In addition to the structural requirements, all material and machinery requirements, for vessels assigned an ice class notation, are to be complied with in accordance with the Complementary Rules.

4.2 Ice conditions

4.2.1 All ships for which the Complementary Rules are the Rules for Ships may adopt an ice class notation as described in Pt 8, Ch 2 Ice Operations - Ice Class of the Rules for Ships. These strengthening requirements for navigation in ice may be applicable to first-year ice conditions or multi-year ice conditions, as specified by the owner according to the service requirements of the vessel.

4.2.2 All ships for which the Complementary Rules are the Rules for Naval Ships may be assigned an ice class notation in accordance with Vol 1, Pt 5, Ch 2, 4 Guidance for ice environment of the Rules for Naval Ships.

4.2.3 All ships for which the Complementary Rules are the Rules for Special Service Craft may be assigned an ice class notation in accordance with Pt 6, Ch 5, 7 Strengthening requirements for navigation in ice conditions of the Rules for Special Service Craft.


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