The International Association of Classification Societies (IACS) is a technically-based organization consisting of thirteen marine classification societies headquartered in London.
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It was founded on September 11, 1968 in the city of Hamburg. Its membership is comprised, as of September 2011, of the thirteen largest marine classification societies in the world. More than 90% of the world's cargo carrying ships’ tonnage is covered by the classification standards set by the thirteen Member Societies of IACS. (Source: IACS Website)
IACS can trace its origins back to the International Load Line Convention of 1930 and its recommendations. The Convention recommended collaboration between classification societies to secure "as much uniformity as possible in the application of the standards of strength upon which freeboard is based…".
Following the Convention, RINA hosted the first conference of major societies in 1939 - also attended by ABS, BV, DNV, GL, LR and NK - which agreed on further cooperation between the societies. A second major class society conference, held in 1955, led to the creation of Working Parties on specific topics and, in 1968, to the formation of IACS by seven leading societies. The value of their combined and unique level of technical knowledge and experience was quickly recognized when, in 1969, IACS was given consultative status by the IMO. Its membership has steadily increased since that time to the current twelve members.
Although IACS is a non-governmental organization, it also plays a unique role within the International Maritime Organization (IMO), for which IACS provides technical support and guidance and develops unified interpretations of the international statutory regulations developed by the Member States of the IMO. Once adopted, these unified interpretations are applied by each of the IACS member societies, in a harmonized manner, when certifying compliance with the statutory regulations on behalf of authorizing flag States. IACS has consultative status with the IMO, and remains the only non-governmental organization with observer status which also develops and applies technical rules that are reflective of the aims embodied within IMO conventions. The link between the international maritime regulations, developed by the IMO and the classification rule requirements for a ship’s hull structure and essential engineering systems is codified in the International Convention for the Safety of Life at Sea (SOLAS).
IACS is governed by a Council, with each Member represented on the Council by a senior management executive. The position of Chairman of the Council is rotated between the members on an annual basis. Reporting to the Council is the General Policy Group (GPG), made up of a senior management representative from each member society. The GPG develops and implements actions giving effect to the policies, directions and long term plans of the Council. The chair of GPG is taken by the Member holding the Council chair. Much of the technical development work of IACS is undertaken by a number of working parties (WP), the members of which are drawn from the technical, engineering, survey or quality management staff of the member societies as appropriate.
More than 50 organizations worldwide define their activities as providing marine classification. Any classification society that meets the qualitative conditions of membership may apply for membership within IACS. To remain a member of IACS, all members are required to demonstrate continued compliance with strict quality standards as determined by periodic audits. Dedicated to promoting maritime safety and clean seas, IACS and its individual members make a unique contribution to the marine and offshore industries by carrying out extensive research and development on marine-related topics, providing technical support and verifying compliance with published standards.
Marine classification is a system for promoting the safety of life, property and the environment primarily through the establishment and verification of compliance with technical and engineering standards for the design, construction and life-cycle maintenance of ships, offshore units and other marine-related facilities. These standards are contained in relevant rules established by each Society. IACS provides a forum within which the member societies can discuss, research and adopt technical criteria that enhance maritime safety.
The classification process begins with the evaluation by the class society of a submitted design to determine its compliance with the applicable rules. During construction, classification society surveyors attend the vessel to verify that it is built in conformance with the approved drawings and to the relevant rules. On delivery, the vessel enters a regimen of periodic surveys by the society to verify that it is being maintained to a standard that is in compliance with the applicable classification rules. These periodic surveys generally follow a five-year cycle of annual, intermediate and special surveys with the extent of the survey varying depending upon the age of the vessel or offshore unit and the type of survey being conducted.
For a vessel to remain ‘in class’ it must be determined to have met the applicable class rule requirements at the completion of each survey. Should a vessel sustain in-service damage, the vessel’s owner is required to advise the classification society of record so that a damage survey can be arranged as soon as is practical. Should the surveyor determine that the damaged vessel no longer meets the applicable rule requirements, the owner will be required to carry out the necessary repairs to bring the vessel back into compliance if it is to remain in class.
The members of IACS are: