update NewS from dNv to the tANker INduStry No 02 2011 - Hays

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Energy efficiency design index30.00EEDI value (g CO2/ tonne*nm)25.0020.0015.0010.005.00Reference line samplesIMO EEDI reference lineCase vessel0.000 50,000 100,000 150,000 200,000 250,000 300,000 350,000 400,000 450,000 500,000Capacity (DWT)Energy Efficiency Design Index- How DNV can assist you to successfully implement the EEDI for your fleetEnergy Efficiency Design Index - EEDIAs a measure to support the objective to reduce emissionsof greenhouse gases from international shipping, IMO’sMarine Environment Protection Committee (MEPC) hasdeveloped the Energy Efficiency Design Index (EEDI).Being a measurable method for determining the energyefficiency of a ship, the EEDI quantifies the amount ofcarbon dioxide a ship emits in relation to its value forsociety.Adopted at MEPC 62 in July 2011 as an amendment toMARPOL Annex VI, the EEDI will enter into force 1January 2013 as a mandatory requirement, requiring aminimum energy efficiency level for new ships. The EEDIwill as such stimulate continuous technical development offuel efficient ships. At the same time it enables acomparison of the energy efficiency of individual ships tosimilar ships of the same size and ship type. The EEDI willbe included in a new International Energy EfficiencyCertificate (IEEC) that will be introduced for all vessels.The EEDI is based on a formula for calculation of shipspecific emissions of CO2. The result for each ship, whichis to be based on design documentation and engineperformance, is expressed in grams of CO2 per capacitymile.Once the EEDI is put into force the attained EEDI fora specific ship must be less or equal to the required EEDI,expressed by reference lines developed by IMO for eachship type. The EEDI reference lines will become morestringent with time as reduction factors are planned to beapplied in different phases starting in 2013.Det Norske Veritas AS16 | Tanker UPDATE NO. 2 2011
Energy efficiency design indexProviding your EEDI Technical Fileto be submitted for verificationDNV Maritime Advisory assist yards, designers, owners and operators to prepare the EEDITechnical File package with necessary documentation ready for verification.Maritime Advisory covers the complete span in the EEDIcalculation process for your vessels:Gap Assessment Review of all design documents required to calculatethe EEDI and identify possible missing data Review design and sea trial procedures for estimatingvessel speed and powerEEDI CalculationEstimate the EEDI based on IMO guidelinesAssess the design speed and power using model test orsea trial dataEEDI ImprovementThe EEDI Technical File developed by Maritime Advisory isreadily prepared to be submitted to a verifier forverification as proof of EEDI assessment. DNV hasprepared EEDI Technical Files and identified EEDIimprovement areas for a number of ship designs to yardsand owners on a world-wide basis.Calculation and verification of the EEDI is performed attwo stages:1) Preliminary assessment of the EEDI at the design stage2) Final assessment of the EEDI at final stage ofconstruction, accounting for the results from sea trialsDNV also offers third party verification services for EEDI,including issuance of EEDI verification statement. Theverification is based upon the EEDI Technical File and asurvey onboard the ship at sea trials.Identify areas which could lead to significant EEDIimprovement with a minimum impact on the basicdesignEEDI Technical FileDeliver a complete technical document package, anEEDI Technical File, to support the EEDI verificationDet Norske Veritas ASMaritime Advisory, Ship Hydrodynamics and StabilityE-mail: ntano362@dnv.comFor further information please contact your local or main DNV office.Tanker update NO. 2 2011 | 17
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update NewS from dNv to the tANker INduStry No 02 2011 - Hays

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