Section 8 Ice accretion and low temperatures
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 3 Functional Unit Types and Special Features - Chapter 6 Units for Transit and Operation in Ice - Section 8 Ice accretion and low temperatures

Section 8 Ice accretion and low temperatures

Parent topic: Chapter 6 Units for Transit and Operation in Ice

8.1 General requirements

8.1.1 For units 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.

8.1.2 When units are fitted with riser systems the arrangements are to be designed to minimise the effect of ice loadings on the risers.

8.1.3 Suitable steam generating equipment or an equivalent means is to be provided, with outlets and hoses, to keep designated areas free of ice and snow such that operation and inspection/maintenance may be conducted safely. Such equipment is to be capable of being used in at least the following locations:
  • The working areas.
  • The helicopter deck.
  • Walkways and escape routes.
  • Lifeboat embarkation station.

8.1.4 In the case of self-elevating units where the design of the elevating machinery is required to operate in ice conditions, suitable de-icing equipment is to be provided.

8.1.5 The starting requirements of the emergency generators for low temperature operation is to be in accordance with Pt 5, Ch 2 Reciprocating Internal Combustion Engines of the Rules for Ships.

8.1.6 Electrical equipment and cables likely to be exposed to sustained low temperatures are to be suitably constructed for the ambient conditions in accordance with a recognised National or International Standard.

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