For the approval of alternative and/or equivalent energy sources, the IMO´s MSC.1/Circ. 1455 - GUIDELINES FOR THE APPROVAL OF ALTERNATIVES AND EQUIVALENTS AS PROVIDED FOR IN VARIOUS IMO INSTRUMENTS, must be used. Depending on the complexity - size and type of vessel - amount, size and type of energy source, the guideline and design process apply partly or fully1 by an assessment of The DMA.
It is the responsibility of the owner to establish and start the approval process according to this circular in the earliest start of the design phase of the vessel or system - with the RO or competent company/person to lead the design team. In addition, an initial start-up meeting with the DMA shall be initiated2.
All systems, components etc. of the alternative and/or equivalent energy source on all types of vessels must comply with relevant regulations and standards from a RO if developed.
The DMA shall be invited to participate in the design process and HAZID workshops. As The DMA is the approval part, The DMA can only participate as an observer. The DMA shall be kept duly informed of the design team’s work and conclusions of the preliminary risk assessment.
The DMA will by an assessment on basis of the preliminary result of the risk assessment and the leader of the design team´s recommendations, approve the further development of the project. The alternative design must be surveyed during implementation and commissioning on board the vessel by either The DMA or the RO.
A final survey and test on board the vessel by either or both The DMA and the RO, for the verification of the full implementation of the result and conclusion of the design team´s work shall be done. The DMA or the RO will issue a certificate and a statement of approval3 of the alternative and/or equivalent arrangement after approved final verification and test. Notification of the approved alternative or equivalent design shall be forwarded to the IMO and/or the EU-commission by The DMA.