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Underground Cable Tracing.

An P.V.C./P.V.C.  cable is run in steel conduit underground from a farm barn to another location. It may run underground to some nearby concrete slabs previously used as a base for wooden sheds, or it may run for about 80 metres to some distant  derelict outbuildings.

I am not too familiar with all of the types of underground cable tracers available.

Which would be the best type of cable tracer to use to determine its run? There may be other buried metal to confuse some tracers. Will a signal injected into the cable be able to be detected by a cable tracer as the cable in inside steel conduit?

The cable is currently dead.

Thanks,

Z.

 

Parents
  • Zoomup: 
     

     

    If you have a buried metal pipe or conduit you should really be able to plot its course with your tester ?

     

    Apart from the first concrete section, yes I could use that method for the majority of the run which is just in soft soil. That is a very good idea.

    Z.

     

    It would be a lot easier to go to a hire shop to get a cat and genny, but if you are using them seriously you are supposed to have a training certificate.

    The Council are resurfacing the footways in our road at the moment, they have marked all the services having surveyed with a cat and genny, though some of the runs are fairly obvious, for example there’s a fire hydrant outside our house along with a water stop cock cover and a patch of tarmac in the slabs from when the gas main was replaced.

    It seems a pretty pointless exercise as they are only taking the slabs up and skimming off enough for tarmac, the chances of hitting a service pipe, cable or duct should be non-existence, but if they do they cannot said that no one had warned them that they might hit something, though who takes the blame if they hit something that isn’t marked could make for an interesting conversation.

    There a bit of a blame game going on up the road from us, the road markings have just be replaced after the road was altered and resurfaced, there’s now a huge 50 on the road rather than the anticipated 30, a councillor has already said it’s the contractors fault and will be replaced at no cost to tax payers, personally I would assume they were given a drawing to work from.

Reply
  • Zoomup: 
     

     

    If you have a buried metal pipe or conduit you should really be able to plot its course with your tester ?

     

    Apart from the first concrete section, yes I could use that method for the majority of the run which is just in soft soil. That is a very good idea.

    Z.

     

    It would be a lot easier to go to a hire shop to get a cat and genny, but if you are using them seriously you are supposed to have a training certificate.

    The Council are resurfacing the footways in our road at the moment, they have marked all the services having surveyed with a cat and genny, though some of the runs are fairly obvious, for example there’s a fire hydrant outside our house along with a water stop cock cover and a patch of tarmac in the slabs from when the gas main was replaced.

    It seems a pretty pointless exercise as they are only taking the slabs up and skimming off enough for tarmac, the chances of hitting a service pipe, cable or duct should be non-existence, but if they do they cannot said that no one had warned them that they might hit something, though who takes the blame if they hit something that isn’t marked could make for an interesting conversation.

    There a bit of a blame game going on up the road from us, the road markings have just be replaced after the road was altered and resurfaced, there’s now a huge 50 on the road rather than the anticipated 30, a councillor has already said it’s the contractors fault and will be replaced at no cost to tax payers, personally I would assume they were given a drawing to work from.

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