BASELINE Lift BL409 - Manual (Page 19)

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The following criteria will determine when a lifting cable is no longer acceptable for
service:
 12 randomly distributed broken wires in one lay or four broken wires in one strand in one lay
in running ropes
 one outer wire broken at the contact point with the core of the rope, which has worked its
way out of the rope structure and protrudes or loops out from the rope structure
 wear of one-third the original diameter of outside individual wires
 kinking, crushing, bird caging, or any other damage resulting in distortion of the rope
structure
 evidence of heat damage from any cause
 reduction from nominal diameter greater than those listed in the following table:
If any of the cable is as shown in the following pictures, do not use.
Rope Diameter (inch) Max. allowable reduction (inch)
Less than or equal to 5/16’’ 1/64’’
More than 5/16‘’to 1/2’’ 1/32’’
More than 1/2’’ to 3/4’’ 3/64’’