Ship main engine commisioning
Ship main engine commisioning

Main engine commisioning in ship

This includes the following main components: HVAC, piping and pumps, electrical and mechanical equipment, along with main and auxiliary engines.

This can be carried out by the shipyard personnel, but it is quite specialized. At the offshore construction yard, we normally brought the equipment and systems up to a pre-commissioning stage. This included pressure and leak testing, electrical circuit testing and certification, supplying the various mechanical pumps and engines with lubricating oil. These were then handed over, usually by systems, to a subcontracting commissioning engineering company who would prepare their own estimating for these components, and this is then added it to the main bid.

  1. Procurement of the various components and pieces of equipment to add to the estimate, however it is quite normal for the client to procure the equipment and transport it to the shipyard that they have chosen to build their ship.

  2. There is often a long lead-in time between receiving equipment before it is required to be installed, so most yards used to have a Preservation of Equipment Procedure. By the amount of queries I have had to several articles I have written on the subject, especially from Engineers looking after stored equipment in high humidity conditions of the Far East Shipyards, this is still the case. This should also form part of the estimation including man-hours, materials used, and warehouse costs in heating and de-humidification.

  3. The estimation of ships repair follows along the lines of the construction operations given above. The ship owner normally gives a scope of work with a set of drawings, and from this information it will be decided if any hull repairs will require a dry-docking. Engine repairs are normally carried out at the quayside where cranes and services such as water and power are available.

    Ship main engine commisioning
    Ship main engine commisioning

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