May. 29 2021 Container ship near the port Home Class & statutory Report of ISWG GHG 8 - 24 to 28 May 2021 LinkedIn Twitter Facebook share Convention MARPOL Annex VI Air Pollution Flag ALL EU FLAGS ALL FLAGS Ship typeAll Sea going Ship types A lot of progress was made on the technical details of the EEXI and CII guidelines during the ISWG G. But the spirit of consensus did not allow the thorniest subjects to be resolved : reduction factors in Guidelines CII G3, correction factors and voyage exclusions in particular. A lot of progress was made on the technical details of the EEXI and CII guidelines during the ISWG GHG 8 meeting held this week, thanks to the excellent chairmanship of Mr. Sveinung Oftedal (Norway). But the spirit of consensus maintained by the latter did not allow the thorniest subjects to be resolved (Guidelines CII G3 in particular). Thus, the discussion on the reduction trajectory by 2030 gave rise to bitter debates and fairly deep divisions have emerged between Member States that do not share the same approaches to climate issues. Anticipating the serious consequences that the absence of a proposal for the coming decisive MEPC 76, a compromise was nonetheless agreed, thanks to the willingness of some delegations, even unhappy with the proposed reduction rates. Likewise, the issue of Correction factors and Travel exclusions turned out to be too delicate to be dealt within the space of a few days and was therefore referred to post-MEPC 76 work, within a new Correspondence Group. Guidelines supporting the EEXI framework ISWG GHG 8 finalized a new version of the draft Guidelines on the method of calculation of the attained energy efficiency existing ship index (EEXI), for adoption at MEPC 76 (item 1 and annex 1 of this report) : ISWG GHG8 agreed to set the power of main engines at 83% of the limited installed power (MCRlim) or 75% of the original installed power (MCR), whichever is lower. ISWG considered that the proposals for additional alternative method to determine Vref, by using empirical data from sea trial tests were not mature enough to be included in the guidelines for adoption at MEPC 76 ; it has encouraged interested Member States and international organizations to cooperate on this issue with a view to incorporating alternative method in a future review of the guidelines. ISWG GHG8 agreed to include the fcorrection factor for ro-ro cargo ships (vehicle carriers) in the draft guidelines on the method of calculation of the attained EEXI, for ro-ro cargo (vehicle carriers) ships with DWT/GT of less than 0.35. ISWG GHG 8 finalized a new version of the draft 2021 guidelines on survey and certification of the energy efficiency existing ship index (EEXI), for adoption at MEPC 76 (item 2 and annex 2 to this report). ISWG agreed that numerical calculations may be accepted as a replacement of model tests. In this regard, numerical calculations could be used independently. ISWG GHG 8 finalized a new version of the Draft Guidelines on the Shaft/Engine Power Limitation System to comply with the EEXI requirements and use of a power reserve, for adoption at MEPC 76 (item 3 and annex 3 to this report). ISWG agreed to incorporate the proposals in the draft guidelines to facilitate processes when a ship overrides the EPL or ShaPoLi limitations for safety reasons Guidelines supporting the CII framework ISWG GHG 8 finalized a new version of Draft Guidelines on operational carbon intensity indicators and the calculation methods (CII