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Recent gas-related developments at IMO and EU

Clarification is being sought for steam turbine LNG carriers in North and Baltic IGC Code updateSubject to some editorial clarifications, the draft revised International Gas Carrier (IGC) Code is scheduled for adoption at MSC 93 in May 2014, with a corresponding entry-into-force date of January 2016. The revised IGC Code will not be retroactive, and will apply only to vessels built after the entry-into-force date.IGF Code updateDevelopment of the International Code for Ships using Gas or other Low Flash-Point Fuels (IGF Code) continues to be progressed via correspondence group (CG). The primary focus of the CG remains the use of LNG as marine fuel, and although the CG is also addressing methyl alcohol and lowflash diesel fuels, that work will not delay the Code. Recent IMO sub-committee work has looked at the location of LNG bunker tanks (Ship Design & Construction Sub-committee) and STCW training requirements (Human Element, Training & Watchkeeping Sub-committee).Realistically, the IGF Code is at least 12 months behind the IGC Code, as the drafting group is not scheduled to meet until September 2014. IMO appears to be looking to fast track the IGF Code, with a target adoption date of spring 2015 and a resulting entry-into-force date ...

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ClassNK Releases Design Support Tools for EEDI Verification

Minimum Propulsion Power Calculation Software / ISO-based Progressive Speed Trial Analysis ClassNK has released the new PrimeShip-GREEN/MinPower software. PrimeShip-GREEN/MinPower was developed to help shipyards comply with the EEDI requirements of the Amendment to MARPOL Annex VI by calculating minimum propulsion power requirements in compliance with the IMO 2013 INTERIM GUIDELINES FOR DETERMINING MINIMUM PROPULSION POWER TO MAINTAIN THE MANOEUVRABILITY OF SHIPS IN ADVERSE CONDITIONS.To evaluate minimum propulsion power requirement, added resistance in irregular waves should be calculated based on ship's Lines. Calculating added resistance in waves can be difficult especially at initial design stage. That is why ClassNK developed a simplified formula to calculate added resistance in waves using only basic information such as main ship specifications, allowing designers to easily evaluate the minimum propulsion power requirement for their ships.In addition, ClassNK has released an updated version of the PrimeShip-GREEN/PSTA software, which was initially released in June 2013 to provide shipyards with an easy means of calculating progressive speed trial analysis in compliance with the ISO 15016:2002 standard recognized in IMO guideline 2012 GUIDELINES ON SURVEY AND CERTIFICATION OF THE ENERGY EFFICIENCY DESIGN INDEX (EEDI).Recently, a new draft of ISO 15016 was released. In order to support the industry's smooth ...

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Recent gas related developments at IMO

From January 2016 onwards all LNG will need to comply with the new Reference Line requirements IGC Code update The draft revised International Gas Carrier (IGC) Code was approved at the 92nd Session of IMO's Maritime Safety Committee (MSC 92) in June 2013. Following IMO protocol, the revised Code now goes through an official review period until adoption at MSC 93 in May 2014, with a corresponding entry-into-force date of January 2016. The revised IGC Code will not be retroactive, but will apply only to vessels built after the entry-into-force date. There area few parts of the revised IGC Code requiring clarification and these are being discussed with various flag states, the International Association of Classification Societies (IACS) and the IMO working group chairs. It is notenvisioned that these clarifications will impact either adoption or the entry-into-force dateIGF Code updateAs IMO is currently between relevant sub-committee sessions, the development of the International Code for Ships using Gas or other Low Flash-Point Fuels (IGF Code) is being progressed via correspondence group. While the primary focus of the correspondence group remains the use of LNG as marine fuel, the group has also been tasked by IMO to also address methyl alcohol and ...

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