Marine Link
Tuesday, September 27, 2016

INTERTANKO Welcomes Common Structural Rules

June 17, 2005

INTERTANKO commends the agreement between the members of the International Association of Classification Societies (IACS) that the new Common Structural Rules for tankers and for bulk carriers will be adopted by all IACS members.

More than five years ago, INTERTANKO played a major role in calling for such rules, and has since been actively involved with the class societies, and with the Tripartite talks between shipowners, shipbuilders and class, to help transform these important changes from theory into reality. When this association called earlier this year for good rules and common rules as quickly as possible, its Chairman Stephen Van Dyck added that the speed of completion should be achieved without sacrificing their quality and efficiency. “I believe that this new agreement on Common Structural Rules is an efficient and above all a thoroughly workable solution that forms part of the industry’s ongoing commitment to raise standards.”

The implementation date of the new Common Rules will be 1 April 2006. “Three months’ delay is a small price to pay for the welcome decision to replace the Joint Tanker Project and the Joint Bulker Project with IACS Common Rules,” says INTERTANKO’s Technical Director Dragos Rauta. We understand that between now and then the class societies will continue to work on harmonizing various design assumptions that will apply to the new rules. INTERTANKO encourages IACS members to adhere to the timetable that they have agreed.

These Common Structural Rules represent an important evolution in newbuilding standards – though they are not a revolution. The real benefit of the Common Rules is the removal of rule competition between class societies. As class societies have competed for market share, accommodating pressure from shipyards to minimize steel weight and pressure from owners to achieve lower costs, so design margins have been eroded and so a greater focus has been placed on maintenance procedures. This process has brought about a loss of trust in the class system, with increasing concerns being expressed by the regulators over structural integrity, and ultimately challenges to the function of class societies. “These new Common Rules will help boost confidence in the whole system of ship design and construction, and in the classification societies themselves,” says INTERTANKO Managing Director Dr Peter Swift. “We are delighted with this outcome, and are pleased to have been able to contribute significantly to bringing it about.”



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