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(a) Suspension means shall consist of not less than two wire ropes. Only iron (low-carbon steel) or steel wire ropes having the commercial classification "Elevator Wire Rope," or wire rope specifically constructed for elevator use, shall be used for the suspension of elevator cars and for the suspension of counterweights. The wire material for ropes shall be manufactured by the open-hearth or electric furnace process or their equivalent. [1502.11a]
(b) The minimum diameter of any suspension rope shall be not less than 3/8 in. (9.5 mm). [1502.11b]
(c) Rope data shall be indicated on the crosshead data plate as required by subsection 3042(b).
(d) A rope data tag shall be provided that meets the requirements of subsection 3042(c).
(e) The factor of safety of the suspension means shall conform to subsection 3042(e) passenger elevators. [1502.11c]
(f) The arc of contact of a wire rope on a traction sheave and the shape of the grooves shall be sufficient to produce adequate traction under all load conditions. [1502.11d]
(g) All wire ropes anchored to a winding drum shall have not less than one full turn of rope on the drum when the car or counterweight has reached its limit of possible over-travel, including a fully compressed buffer. Each turn of the wire rope on the winding drum shall be in a separate groove on the drum. [1502.11e]
(h) No car or counterweight rope shall be lengthened or repaired by splicing. If one wire rope of a set is worn or damaged and requires replacement, the entire set of ropes shall be replaced. [1502.11f]
(i) The winding-drum ends of car and counterweight wire ropes shall be secured by clamps on the inside of the drum or by one of the methods specified in subsection 3085.20(h) for fastening wire ropes to car or counterweight. [1502.11g]
(j) The car or counterweight ends of wire ropes shall be fastened as required by Section 3042.
(Title 24, Part 7, Section 7-3085.21)
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
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