Cargo Tank Corrugated Bulkhead Damages of Double Hull Tankers

Corrugated bulkheads are generally utilised as the boundary between cargo tanks of small and medium sized product or chemical tankers. The corrugation provides benefits such as simplified cleaning which is highly desirable due to the operational profile of these vessel types. Properly designed, constructed and maintained corrugated bulkhead structures can give many years of safe and satisfactory service. On the other hand the complexity of structural configuration and difficulties of manufacture can lead to significant defects occurring which may be costly to repair. The following information is an extract from a Tanker Structure Co-operative Forum (TSCF) paper which reviews corrugated bulkhead design practice and provides details of damage experience from TSCF members.

2013.10.08 - Cargo Tank Corrugated Bulkhead Damages of Double Hull Tankers Figure 1

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Australian Shipping Safety Incidents Statistics

The information contained in this post are extracts from The ATSB “Australian Shipping Occurrences Statistics 2005 to 2012” which provides information on what accidents and incidents have happened during the analysis period, how often they have happened, and what can be learnt from them. Incidents, and injuries happen more often than is widely believed. Some of the most frequent accident types are preventable, particularly fatalities to crew and shipboard workers. Lessons learned from the experiences of others in the industry can help identify the safety risks in their operation that could lead to a similar accident or serious incident. Analysis of reported occurrences helps to understand why accidents and incidents happen, and where the major safety risks are.

2013.10.02 - Australian Shipping Occurrences Statistics 2005 to 2012 Figure 1

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Increase on Navigational Incidents and Collisions

A few days ago the  Standard P&I Club issued a safety bulletin regarding Navigational Incidents and Collisions. The Standard P&I Club has investigated the number and cost of navigational incidents over the past ten years and the facts are alarming at many levels. In the past five years, there have been 85 claims of over $1m of which over 50% were directly related to navigational issues.

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