5.3 Regulations
In order to comply with the functional requirements of paragraph 5.2 above, the following apply:
.1 for ships operating in areas and during periods where ice accretion is likely to occur, means shall be provided to remove or prevent ice and snow accretion around hatches and doors; and
.2 in addition, for ships intended to operate in low air temperature the following apply:
.1 if the hatches or doors are hydraulically operated, means shall be provided to prevent freezing or excessive viscosity of liquids; and