A vessel classed under the IMO DP Equipment Class DP-3 or its equivalent is equipped with a DP system that is as redundant as what is defined in DP equipment Class 2. In addition to having DP-critical equipment duplicated, these redundancies and their essential complementary systems shall also be separated by an A-60 class fire shielding and kept in their respective watertight compartment such that no flooding or fire in a single compartment shall render the DP system is operational.
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