LNG Ready
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The slides present the key aspects that need to be considered to make a ship ready for efficient future conversion to LNG fuel
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LNG Ready
- 1. DNV SERVING THE MARITIME INUSTRY LNG Ready Service LNG Ready Service 1. VESSEL READY FOR FUTURE RETROFIT Design/build a vessel that will use MDO in ECAs but that can easily be retrofitted to LNG in the future. BENEFITS ■■ DNV validates that the necessary prepa- rations for later easy retrofit are taken, and specifies which changes will be required ■■ Minimum investment requirement ■■ The cost-benefit assessment describes when a full conversion is attractive ■■ Good option for ships under construc- tion or existing conventional designs 2. VESSEL READY FOR LNG OPERATION Design/build a vessel with LNG system and gas engines installed and ready to run on LNG from first day of operation. BENEFITS ■■ The design includes all the required sys- tems for operating on LNG fuel ■■ Payback time starts immediately ■■ More environmentally friendly profile ■■ The cost-benefit assessment may be used towards potential customers (ship own- ers or charterers) to promote the ship/ design DNV provides decision support to ship owners, designers and yards for making vessels ready for future LNG retrofit or ready for LNG operation today. Based on technical and financial feasibility studies, DNV helps you select the best option according to operational and environmental requirements. There are two options for making a vessel LNG Ready: THE PATH TO BECOME ‘LNG READY’ STRATEGY – FUEL DECISION • High level technical feasibility • Cost, pay-back time and sen- sitivity analysis CONCEPT CAPTURE • Detailed technical feasibility study • Concept design review / HAZID INITIAL DESIGN • Approval in Principle RISK ASSESSMENT • Gas fuel safety risk assess- ment (mandatory by IMO) ›› Detailed description of the path overleaf
- 2. For more information: environmentandenergyefficiency@dnv.com DET NORSKE VERITAS AS NO-1322 Høvik, Norway Tel: +47 67 57 99 00 www.dnv.com 1. STRATEGY – FUEL DECISION Technical feasibily assessment: ■■ LNG tank location and range in gas mode based on the ship operational profile. ■■ Outline of the necessary requirements for an LNG Ready/fuelled design. ■■ For LNG ready designs: High level list of technical changes that will be required in a future retrofit. Financial analysis: ■■ A high-level financial com- parison of LNG, MGO and HFO with scrubber options including both invest- ment cost and operational expenses based on the ves- sel’s operational profile. Sensitivity analysis for impact of fuel price development is included. 2. CONCEPT CAPTURE ■■ DNV can assist you in your development of novel ship designs and perform detailed technical feasibil- ity studies tailored to the specific design and technical challenges for your vessel. ■■ For novel designs DNV rec- ommends to perform a haz- ard identification (HAZID) review of the concept with the aim to identify hazards which could potential lead to high risks in operation. DNV can also assist with design review of existing drawings at an early stage, providing the client with valuable docu- mentation for future approv- al or approval in principle. 3. INITIAL DESIGN ■■ To ensure readiness for LNG as a fuel, DNV offers verification of the design concept and confirmation of compliance through DNV’s approval in principle. This is of particular importance for ships prepared for LNG retrofit. ■■ DNV helps you to identify and mitigate the risks associ- ated with a given design to ensure the development of a safe system right from the beginning. 4. RISK ASSESSMENT ■■ DNV will perform a risk assessment which will quantify the risk level of the LNG fuelled ship compared to the acceptance criteria, as defined by IMO Resolu- tion MSC. 285(86) “Interim Guidelines”. ■■ The interim guidelines state that a risk analysis shall be undertaken for any new or altered concept with the goal to document a safety level which is at least equivalent to a new, comparable diesel- fuelled vessel. ›› DNV’s analysis takes into account both investment costs and operational costs in a life cycle perspective. The analysis illustrates payback time and the value of the investment over the lifetime of the ship for all relevant options for future emission compliance. ›› The Green Dolphin – Prepared for LNG fuel. A new fuel efficient Handysize bulk carrier concept design by SDARI, Wartsila and DNV. The path to become ‘LNG Ready’ DNV can assist you all the way from planning, concept design, approval in principle, to a final risk assessment as required by IMO safety requirements.