Towing Fittings - Safe Working Loads?

Discussion in 'Metal Boat Building' started by Guest-3-12-09-9-21, Jun 22, 2009.

  1. Guest-3-12-09-9-21
    Joined: May 2007
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    Guest-3-12-09-9-21 Senior Member

    I have been trying to find information on the safe working loads of various chocks and bitts (as required by the Emergency Towing Regulations in the MSC.1/Circ. 1255).

    Is there a standard safe working load used for vessel design - as in "a 8" X 10" closed chock is rated at _____ Metric Tons SWL."

    Any suggestions where I could find this information? I need to try and find the SWL of all the potential towing fittings for aluminum and steel offshore vessels.
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