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Significance and Use
4.1 This guide is intended to define and identify best practices for minimum requirements for the design, installation, and application of Type C portable tanks for marine service on LNG fueled vessels for service as a LNG fuel tank. These best practices provide added detail to the requirements in 6.5 of the IGF Code to facilitate consistent and practical implementation of those requirements.
1.1 This guide is intended to identify and define the minimum requirements for the best practices in the design, installation, and application of Type C portable tanks in marine liquefied natural gas (LNG) fuel tank service used on LNG-fueled vessels.
1.2 This guide comprises the necessary guidance for regulatory compliance in addition to the requirements of the IMO IGF Code, along with the risk assessment considerations to detail the criteria for design, location, configuration, associated safety systems, and periodic system inspections. Included in the safety systems criteria would be leakage/spill detection and containment, water spray protection, emergency shutdown, grounding requirements, pressure relief to a fixed venting system, associated alarms, and color code markings for system identification. The locating and securing of suitable tank types with associated systems for marine service that will ensure compliant vessel stability with appropriate access to critical systems and connections for emergency response and vessel egress will also be addressed in this guide.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ISO StandardsISO 14726 Ships and Marine TechnologyIdentification Colors for the Content of Piping Systems ISO 1496-3 Series 1 Freight ContainersSpecification and TestingPart 3: Tank Containers for Liquids, Gases and Pressurized Dry Bulk
IMO StandardsIGF Code IMO MSC 95/22/Add. 1 Annex 1 International Code of Safety for Ships Using Gases or Other Low Flashpoint Fuels IMDG Code International Maritime Dangerous Goods Code
Federal Standard49 CFR 393.134
EN StandardEN 1474-2 Installation and Equipment for Liquefied Natural GasDesign and Testing of Marine Transfer SystemsPart 2: Design and Testing of Transfer Hoses
ICS Number Code 23.020.20 (Vessels and containers mounted on vehicles); 47.020.85 (Cargo spaces)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM F3285-18, Standard Guide for Installation and Application of Type C Portable Tanks for Marine LNG Service, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top