Occupational Health and Safety Act, 1993 (Act No. 85 of 1993)Code of PracticeDriven Machinery Regulations, 2015 : Commercial Zip line and Aerial Adventure Parks7. Design Factors |
| 7.1 | Breaking load to maximum working load ratios |
The ratio of the breaking load to maximum working load of ropes shall be at least equal to 5:1.
| 7.2 | Rope joints, terminations and fittings |
| 7.2.1 | Rope Splices |
The length of a splice in a rope shall be at least 1 200 times the diameter of the rope and the clear distance between successive splices shall be at least 3 000 times the diameter of the rope.
| 7.2.2 | Swaged Fittings |
Swaged fittings are preferred for the finishing of rope ends, but when ropes are so fitted the strength of the rope for calculation purposes shall be reduced by 10 %.
| 7.2.3 | Wire rope Clamps |
| 7.2.3.1 | Clamps shall: |
| (a) | be made of the Crosby or Bulldog pattern and shall comply with the requirements of EN 15567-1 |
| (b) | be of the correct size for the rope on which they are used or |
| (c) | be of the U-bolt shall be fitted on the portion of rope that does not take the load and Nuts on the U-bolt should be tightened by the use of a torque equal to the appropriate test torque given in table 1 of EN 15567-1. |
| (d) | The clamps used shall be at least the appropriate number prescribed in table 1 of EN 15567-1. |
[Regulation 7(7.2.3.1)(a) substituted by Notice No. 1033, GG45328 dated 15 October 2021: Correction Notice]
| 7.2.3.2 | When ropes are fitted to clamps, the strength of the rope for calculation purposes shall be reduced by 20 %. |