DP-classed vessels with closed bus-tie(s)

Offshore Technical Guidance: DNVGL-OTG-10, edition April 2015

Offshore Technical Guidance: DNVGL-OTG-10, edition April 2015

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This document gives guidance on measures that need to be implemented in order to achieve the integrity level required for redundant DP systems operating with closed bus-tie(s).

The relevant DNV GL class notations in this context are:

  • DPS 2 and DYNPOS-AUTR
  • DYNPOS-E and DYNPOS-ER
  • DPS 3 and DYNPOS-AUTR