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ATSB issues fatigue assesment report for MV RENA

Investigation shows that Rena crew were fatigued On 4 October 2011, the container ship Rena departed Napier, New Zealand, bound for Tauranga, New Zealand, with an estimated arrival time of 0300 on 5 October. At about 0214 on 5 October, Rena grounded on Astrolabe Reef.The Transport Accident Commission (TAIC) of New Zealand is undertaking a formal investigation into this accident. As part of that work, TAIC requested the assistance of human factors specialists at the Australian Transport Safety Bureau (ATSB), to assess the likelihood and extent of any performance impairment to the master and second mate due to fatigue. To protect the information supplied by TAIC, the ATSB initiated an investigation under the provisions of theTransport Safety Investigation Act (2003).Following the analysis of the sleep and work data supplied by the TAIC, the ATSB conducted analysis of the fatigue likelihood and produced a report which was provided to TAIC on 26 August 2014.For further information on this occurrence and investigation, please contact theTransport Accident Investigation Commission of New Zealand.Source: ATSB

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ClassNK Releases World’s First Harmonized CSR Compliant Ship Design Support Software

PrimeShip-HULL (HCSR) ship design support software fully compliant with IACS CSR ClassNK has announced the release of a new version of its PrimeShip-HULL (HCSR) ship design support software that is fully compliant with the new IACS Common Structural Rules (harmonized CSR) for oil tankers and bulk carriers. The new ship design support software is the first in the world to fully support the new Common Strucutural Rules, which were adopted by IACS in December 2013. As part of its work to support the development of safer ships, ClassNK is providing the software free of charge to its customers such as shipyards and designers around the world.The new IACS CSR not only unify and harmonize the technical requirements of the existing Common Structural Rules (CSR) for tankers and bulk carriers, but also incorporate new requirements for more comprehensive structural analysis at the design stage, including FEM analyses covering the entire range of cargo hold structures, as well as new formulae for buckling, fatigue, and residual strength criteria to enhance safety and reliability. The new rules will be applied to all bulk carriers over 90m and all oil tankers over 150m contracted on and after 1 July 2015.Although the harmonized CSR represents ...

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