Section 4 Icing environment
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships, July 2022 - Part 8 Rules for Ice and Cold Operations - Chapter 1 Application - Section 4 Icing environment

Section 4 Icing environment

Parent topic: Chapter 1 Application

4.1 Ice accretion

4.1.1 For ships intended to operate in cold regions, the build up of ice on exposed surfaces is to be considered. See the Rules for the Winterisation of Ships, July 2022.

4.1.2 Icing is to be considered for vessels operating in the following areas, see Figure 1.4.1 Ice accretion limits for the Arctic and Figure 1.4.2 Ice accretion limits for the Antarctic.

  • The area north of latitude 65°30'N, between longitude 28°W and the West coast of Iceland; north of the north coast of Iceland; north of the rhumb line running from latitude 66°N, longitude 15°W to latitude 73°30'N, longitude 15°E, north of latitude 73°30'N between longitude 15°E and 35°E, and east of longitude 35°E, as well as north of latitude 56°N in the Baltic Sea.
  • The area north of latitude 43°N bounded in the west by the North American coast and the east by the rhumb line running from latitude 43°N, longitude 48°W to latitude 63°N, longitude 28°W and thence along longitude 28°W.
  • All sea areas north of the North American continent west of the areas defined in subparagraphs above.
  • The Bering and Okhotsk Seas and the Tartary Strait during the icing season.
  • South of latitude 60°S.

Figure 1.4.1 Ice accretion limits for the Arctic

Figure 1.4.2 Ice accretion limits for the Antarctic
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