Telecoms and power wiring in same wireway

[el3venth]

According to SANS 10142-1

6.4 Positioning and fixing of cables
6.4.1 Positioning
A cable shall not be run
b) in the same wireway as the cables or wires of telecommunication, radio
and signalling circuits that are not covered by this part of SANS 10142,

Is this then legal?



Some we have the following in the tray:
1. Alarm wiring.
2. Power wires.
3. Telkom ADSL.
4. Network cabling.