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Check of the UPS led to loss of power – DP incident

Comments:

At approximately 1555 the ETO came to the bridge and asked the Senior DPO permission to enter the electronics room to check the UPS batteries. The SDPO gave permission, not knowing the detailed work scope of the ETO.

Considerations from the above event:

  • Both planned and unplanned work on DP equipment should be subject to a permit to work system.
  • Maintenance routines need to be carefully managed during DP operations and planned maintenance of any DP equipment should be avoided whilst the vessel is operating on DP.

DP Event

Published: 2 November 2017
Download: IMCA DPE 04/17

Classification:
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The following case studies and observations have been compiled from information received by IMCA. All vessel, client, and operational data has been removed from the narrative to ensure anonymity.

Case studies are not intended as guidance on the safe conduct of operations, but rather to assist vessel managers, DP operators and DP technical crew in appropriately determining how to safely conduct their own operations. Any queries should be directed to IMCA at dpreports@imca-int.com. Members and non-members alike are welcome to contact IMCA if they have experienced DP events which can be shared anonymously with the DP industry.

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