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RINA Group widens gas sector services

 RINA announced that it has widened its services to the global gas industry. While its traditional classification society arm RINA Services has recently approved a new Compressed Natural Gas carrier to aid the exploitation of marginal fields, the groups’ engineering arm, D’Appolonia, is delivering geotechnical, social and environmental services to the Mozambique LNG development.The gas market and technology are constantly changing, and RINA Services and D’Appolonia lead those changes. The first offshore FSRU, the first FLNG project, the first marine CNG ship and the longest offshore pipeline were all delivered with RINA expertise and assistance.Mozambique LNG projectD’Appolonia has completed a major near shore site investigation for ENI’s Mozambique LNG project. The survey included environmental, geophysical and geotechnical teams, utilizing two jack up platforms, three survey spreads, a mobile field laboratory and over fifty site personnel. Data will be used for design of the marine facilities of the terminal and the landfall for the gas pipeline arriving from the offshore wells. The terminal will consist of gas receiving and processing, liquefaction facilities, cryogenic storage tanks and loadout facilities to export the liquefied gas via tankers.D’Appolonia is also acting as the Independent Environmental and Social Consultant foreseeing the development of offshore production ...

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LNG tank 'fender' takes vessel design beyond B/5

  IMO regulations require a minimum safe distance between LNG tanks and the ship’s shell, which further restricts the naval architect’s design space. RINA article describes the idea of LNG tank placement which provides more design freedom without compromising safety, or even improving safety. Safety considerations IMO’s draft international code of safety for ships using gases or other low-flashpoint fuels (IGF Code) stipulates a minimum safe distance between a storage fuel tank and the ship’s shell of 1/5th of the ship’s beam, B. At other levels the distance should never be less than 760mm (IGF 2014). This requirement has been taken from existing IMO regulations for sea going gas tankers (IGC 2014), which has proven satisfactory over the past 50 years. In fact the B/5 requirement has been copied from the early SOLAS regulations on damage stability which is inspired by damage statistics recorded between 1948 and 1966.  It shows that, given a collision, the probability of the damage penetration not exceeding 1/5th of the ship’s beam equals 55%. It also shows that in 45% of the collision cases, this distance is exceeded. Obviously these statistics are outdated; ship structures have changed significantly since the late sixties of the previous ...

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RINA develops new rules for offshore platforms

  Italy’s RINA Services has responded to the challenges of life extension and new regulatory regimes by completely updating its Rules for the Classification of Fixed Offshore Platforms. The new rules and guidelines will be published in May 2015 and will cover classification, certification and verification of fixed offshore oil and gas platforms. Andrea Bombardi, Head of the Energy Department, RINA Services, says, “The rules and guidance provide a comprehensive guide to classification, certification and verification. They are a cradle-to-grave framework for the structural and process safety of the entire platform. They build on RINA’s experience with offshore platforms in the Mediterranean, Red Sea, Indian and Atlantic oceans and the Caspian Sea. The new rules facilitate life extension, reduce downtime caused by inspection and maintenance and give owners more choices and control over their design, operation and maintenance strategies.” Original design, fabrication, installation, structural assessment, topside process certification, life extension assessment and de-commissioning are all covered. Environmental protection is central to the new rules which have been developed with the aim of significantly reducing the risk of accidents and environmental damage. Platform designers and operators can choose from and mix three approaches: classification, certification and verification. Under each of the ...

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