Page 144 - ΝΑΥΤΙΚΑ ΧΡΟΝΙΚΑ - ΜΑΙΟΣ 2023
P. 144

Τhrough a seafarer's eyes
         HORIZON







         FROM















          by Capt. George Georgoulis







         THE IMO GUIDELINES OF CORRECTION         voyage adjustments are applied to the calcula-
         FACTORS AND VOYAGE ADJUSTMENTS           tion of attained CII.
         FOR THE CARBON INTENSITY
         INDICATOR (CII)                          Vessels are to report the total distance & fuel
         The IMO has introduced the Carbon Inten-  consumed during the following situations:
         sity Indicator (CII) requirements for ships as a   •   Voyages through ice (applicable to Ice
         short-term GHG reduction measure. It has also   Class vessels only)
         allowed for voyage adjustment and correction   •   Voyages for the purpose of securing the
         factors for certain ship types, operational pro-  safety of a ship, e.g., when a vessel at
         files, or voyages to enhance, as appropriate,   anchorage needs to go out to sea to avoid
         the CII Guidelines. The corrections factors and   an impending storm or deviate during a
         voyage adjustments which may be applied to the   voyage to take shelter
         calculation of the attained annual operational   •   Voyages for saving life at sea, e.g., rescue
         carbon intensity indicator are described in the   operation voyages or deviations to disem-
         CII Guidelines.                              bark seriously sick crew
         A correction factor means a factor in the numer-  •   Voyages undertaken due to damage to the
         ator or denominator of the CII formula which   ship or its equipment, e.g. direct voyages to
         adjusts the calculation of the attained CII. A   a repair yard after damage to the propeller,
         voyage adjustment deducts relevant fuel con-  steering gear, shafting, etc.
         sumption, as well as the associated distance  The ship’s logbook should include data entries
         travelled, from the calculation of attained CII  for the voyage period with the date, time, and
         for a defined period subject to certain threshold   ship position at the commencement and end of a
         conditions being met.                    voyage. In addition, for voyages through ice con-
         IMO has prescribed a specific formula for CII  ditions, the date, time, and ship's position when it
         calculation to be used when the corrections  encountered and left the ice conditions should
         factors and voyage adjustments are applied.   be recorded.
         Accurate data and supporting evidence must  Fuel consumption may be recorded by flowme-
         be collected for submission to the verifier if the   ter reading or fuel tank monitoring at the start
         corrections factors and voyage adjustments are   and end of a voyage, as per whichever method
         applied.                                 is approved in SEEMP II or III. Photo evidence
         Data and supporting evidence must be collected   of logbook entry for flowmeter readings or tank
         as per the approved SEEMP II or III for submis-  sounding at the start and end of a voyage (Log-
         sion to the verifier if the corrections factors and   book entry) is to be maintained for evidence. For


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