Ship Mooring Chocks – New International Standard

Press Release
Thursday, April 19, 2012

ASTM Shipbuilding Committee Approves Standard for Ship Mooring Chocks

A new ASTM International standard covers the principal dimensions and materials of closed chocks, used for mooring, for installation on ships. The new standard, ASTM F2935, Specification for Chocks, Ship Mooring, Cast Steel, has been developed by Subcommittee F25.01 on Structures, part of ASTM International Committee F25 on Ships and Marine Technology.

Chocks are mounted directly on the deck, on the foundation or in a bulwark of a ship. Chao H. Lin, Office of Safety, Maritime Administration, U.S. Department of Transportation, and F25.01 chairman, notes that chocks are an essential apparatus for tying a vessel to a dock or pier.

“Recently, as ships have grown larger in size, the mooring lines get bigger and stronger,” Lin said, “Hence it was necessary to develop a new standard to meet current and potential needs.”

Shipboard hardware designers and manufacturers, as well as ship owners and operators, are invited to join F25.01 in the development of future proposed standards related to the material, design, construction, inspection and maintenance of ship structures.

To purchase ASTM standards, visit www.astm.org and search by the standard designation, or contact ASTM Customer Relations (phone: 877-909-ASTM; sales@astm.org). ASTM International welcomes participation in the development of its standards. For more information on becoming an ASTM member, visit www.astm.org/JOIN.

ASTM International is one of the largest international standards development and delivery systems in the world.  ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency.  ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions.

 

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