WAC 296-54-557
Wire rope. (1) Wire rope must be of the
same or better grade as originally recommended by the
equipment manufacturer.
(2) Wire rope must be removed from service when any of
the following conditions exist:
(a) In running ropes, six randomly distributed broken
wires in one lay or three broken wires in one strand in one
lay;
(b) Wear of one-third the original diameter of outside
individual wires. Kinking, crushing, birdcaging, or any other
damage resulting in distortion of the rope structure;
(c) Evidence of any heat damage from any cause;
(d) Reductions from nominal diameter of more than
3/64-inch for diameters to and including 3/4-inch, 1/16-inch
for diameters 7/8-inch to 1-1/8-inch, inclusive, 3/32-inch for
diameters 1-1/4-inches to 1-1/2-inches inclusive;
(e) In standing ropes, more than two broken wires in one
lay in sections beyond end connections or more than one broken
wire at an end connection;
(f) In standing ropes, when twelve and one-half percent
of the wires are broken within a distance of one wrap (lay);
and
(g) Corroded, damaged, or improperly applied end
connections.
(3) Wire rope must be kept lubricated as conditions of
use require.
Wire rope selection is an important element in cable
logging.
