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About Us

Class NK

date: Mar 20, 17views: 2632

Nippon Kaiji Kyokai, known as Class NK or NK, is a ship classification society. The Society is actively engaged in a growing range of ship related activities and services aimed at contributing to promoting the protection of human life and property at sea as well as protection of the marine environment.

Class NK is dedicated to ensuring the safety of life and property at sea, and the prevention of pollution of the marine environment.

To achieve this mission Class NK will: Focus on delivering the highest quality classification services, by the highest quality personnel, while maintaining its totally independent third party, non-profit status.

Focus on the development of relevant Rules, procedures and guidance, and maintain and develop its commitment to scientific and technological research and development.

Maintain and develop its global operations in line with the needs of clients using its services. Class NK has earned an outstanding reputation for its long-standing dedication to safeguarding life and property at sea and preventing marine pollution through the establishment of universally recognized standards for the design, construction and maintenance of ships and other marine structures.

The principal work of the Society's expert technical staff is to undertake surveys to ensure that the rules which it has developed are applied to new buildings and existing ships to ensure their safety. The rules cover not only hull structures, but also propulsion systems, electrics, electronic systems, safety equipment, cargo handling gear, and various other areas. Class NK’s surveyors work in shipbuilding and repair yards and at ports across the world, wherever they may be called upon to examine the condition of a ship.

The Head Office is located in Tokyo and in Chiba, Japan, and there are branch offices at the major Japanese and overseas cities throughout the world. As of the end of November 2014, the Society had 8,826 ships over 231 million g.t. under class. This figure represents approximately 20 percent of the world merchant fleet currently under class.

In addition to its classification survey activities, Class NK conducts surveys on behalf of third parties including State administrations, offers technical services for offshore structures and onshore plants construction projects, accommodates requests for appraisals and engineering consultation, conducts research and development in various ship-related fields; provides quality-assurance certification of suppliers based on ISO 9000 and 14001 and OHSAS18001 series criteria*, and verifies the safety management systems of ship-management companies and ships, in accordance with the International Safety Management (ISM)Code and International Ship and Port Facility Security(ISPS) Code.