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IMOS Platform
IMOS Platform
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  • On the Estimate column or details toolbar, click  or  and then click Bunker Planning.
  • On the Estimate details fuel grid, either click  or right-click a line item, and then click Details.
  • On the Estimate P&L panel, under Expenses, click the Bunkers line item.

Depending on the Vessel Type in the Estimate, columns can also appear for Sea Consumption for heating, cooling, and reliquefaction, and Port Consumption for heating, cooling, and reliquefaction, as well as IGS consumption.

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  • If there are multiple fueling ports (indicated by prices entered) in the itinerary, the Receive quantities are automatically populated with the amount of bunkers needed to arrive at the first fueling port so that the ROBs are equal to the safety margin of the vessel. Then, at the second fueling port, the amount of bunkers are populated such that the quantity upon arrival at the terminating port is equal to the End Quantity specified.
  • If you manually enter a lifting quantity, that amount appears blue and is not overridden when the calculation is run again.
  • The optimizer calculates in real time; that is, Receive quantities automatically adjust when you change prices.
  • The optimizer no longer calculates after the Voyage Estimate is fixed; it is for planning purposes only.

Use Scrubbers

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When the Use Scrubbers check box is selected, low sulfur bunkers are not used for at-sea consumption within ECA zones. Instead, high sulfur ("H"-type in the Vessel) bunkers is consumed. In-port consumption still adheres to Vessel/Fuel Zone bunker configuration if a given port is within an ECA zone.

Fuel Zones

For Estimates that are not already using Fuel Zones to calculate bunker consumption and have unsailed ports, a Use Fuel Zones button appears in the lower left corner. To recalculate estimated bunker consumption and cost based on information entered in Fuel Zones in the Data Center, click Use Fuel Zones.

If you have configured a Fuel Zone Set, you can select it, rather than the Default set, at the bottom of this form.

Why Isn't my Estimate showing consuming correctly?

There are a few places you can check to find out why a vessel isn't consuming as planned.

  • Open the bunker estimate and check the Fuel Zone Set

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  • Check the Vessel Details to confirm your fuel types are configured correctly. (Vessel Fuel Zone Set can be entered here)


  • Within the voyage bunkers, make sure there is enough Primary fuel to complete the voyage. If there is not, the system with calculating with a backup fuel unless there is not enough fuel for the backup Fuel to complete the voyage or the disable backup fuel checkbox has been selected. In this case, the system will have the Primary fuel consume the entire voyage and the backup fuel quantity will be untouched. This is based on the assumption that a bunker lifting will happen, clearing the need to use the backup fuel for the voyage. 

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titleRelated Configuration Flags


Name/FlagDescription
Enable Legacy IFO Top Off Calc
CFGEnableLegacyIFOTopOffCalc

For LNG vessels, relates to the calculation of the amount of IFO (or other designated "FOE" fuel type) needed in order to accelerate to a given speed higher than the NBOG speed when in dual-fuel mode. When this config flag is enabled, this amount is calculated as the difference between (a) the IFO consumption at actual speed and (b) the FOE equivalent of the LNG consumption at the NBOG speed. When this config flag is disabled or by default, this amount is calculated as the difference between (a) the IFO consumption at actual speed and (b) the IFO consumption at NBOG speed.

Enable Voyage Estimate Init Bunker Queue
CFGEnableVoyestInitBunkerQueue

When enabled, Estimates allow multiple initial lots for each bunker type, similar to the Voyage Manager. On the Bunker Planning form, the Initial Quantity field label becomes a link that, when clicked, opens the Initial Bunkers form. These lots will be defaulted from open positions, TC In delivery, and in-progress voyages. When bunker consumption exceeds the available inventory for a certain fuel type, the end price for that fuel type is used to calculate bunker costs.

Enable Scrubber Type
CFGEnableScrubberType		When enabled, a scrubber drop-down menu appears on the Port, Voyage Bunkers, Bunker Planning, and Vessel forms accessed through an Estimate. On the Port and Vessel forms, the drop-down menu reflects scrubber values allowed at the port and equipped in the vessel. On the Voyage Estimate and Voyage, it reflects the scrubber type used for bunker calculations. On the Vessel form, the “Use Scrubbers” check box is replaced with the new “Scrubber Type” drop-down menu. The Fuel Zones form has two tabs to support “Scrubber” and “Non-Scrubber” configurations. These new options facilitate bunker calculations to use the IMO 2020 regulations.