Advice on trench depth for SWA - Answered!

It is very much a case of horses for courses, and it rather depends who is most likely to dig it up and with what - if that is just you, well you know it is there, as opposed to a cable in a more public place, and a back garden is more likely to see a garden fork than a JCB - another site like a theme park may not be so lucky. 

 There will be a great many wires in and around the radio shack and the user is likely to be more alert to such things than the average punter. 

I have had great success with scaff  pole method in the past, though I do tend to stuff the ends so the cable is held off the tube lip by being wrapped in  rag during back-fill but I agree it is not in any sense of the word flexible, or forgiving of errors of alignment , but that rigidity is rather the point, in terms of cable damage it has much in common with say earthenware pipe, and there is plenty of cable in that underground as well. It only matters if  the cable gets pulled against it, but in situations where that is credible, then it is the wrong approach.

Mike

It is very much a case of horses for courses, and it rather depends who is most likely to dig it up and with what - if that is just you, well you know it is there, as opposed to a cable in a more public place, and a back garden is more likely to see a garden fork than a JCB - another site like a theme park may not be so lucky. 

 There will be a great many wires in and around the radio shack and the user is likely to be more alert to such things than the average punter. 

I have had great success with scaff  pole method in the past, though I do tend to stuff the ends so the cable is held off the tube lip by being wrapped in  rag during back-fill but I agree it is not in any sense of the word flexible, or forgiving of errors of alignment , but that rigidity is rather the point, in terms of cable damage it has much in common with say earthenware pipe, and there is plenty of cable in that underground as well. It only matters if  the cable gets pulled against it, but in situations where that is credible, then it is the wrong approach.

Mike