API 2C (2004)—Specification for Offshore Pedestal
2017-10-1u2002·u2002K = vertical spring rate of the crane at the hook, lb/ft, SWL = Safe Working Load or Rated Load, lb. SWL is an unknown and therefore will require iteration to obtain C v. A good starting value for SWL iteration is one-half the design load, g = acceleration due to gravity, 32.2 ft sec 2
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