Code of Practice for Safe Use and Operation of Suspended Working ...

5.7.7 Where a wire rope is fixed to a jib or outrigger arm, the rope terminationshould be attached to the outrigger or jib with a shackle or other suitablemeans. Where a wire rope is attached to a working platform, the ropetermination should be attached to a structural load bearing portion of theworking platform with a shackle or other suitable means. U-bolt gripsshould not be used.5.7.8 Wire rope termination should be suitable for their purpose and shouldhave a strength of not less than 80% of the minimum breaking load of therope. Any free end of rope should be finished to prevent unlaying.5.7.9 The end of the suspension rope other than that on or through the liftingdevice or winch should be fixed to the suspension point on the roof rig oron the working platform with a thimble eye splice or ferrule secured eyetermination or other rope coupling device giving a strength of not lessthan 80% of the breaking load of the rope.5.7.10 Wire ropes should be properly maintained and lubricated to preventcorrosion. Ropes with the following defects should not be used:(a)(b)(c)ropes with kinks, birdcage or any other distortion;when the total number of visible broken wires exceeds 5 % of thetotal number of wires in the rope in any length of ten diameters ofthe rope;there is on the rope marked signs of wear or corrosion (regulation23 of SWPR); and(d) reduction of nominal diameter of more than 10 %.5.8 Drum and Pulley5.8.1 When wire ropes pass over pulleys or round drums in winches andclimbers, such pulleys or drums should have a pitch circle diameter ofnot less than 19 times the diameter of the rope.5.8.2 Where the rope terminates at the winding drum, the rope should befastened on to the drum in the manner specified by the manufacturer.31