good advice but you`re in Aus and they regulate plumbers don`t they ? . Here in UK , apart from elitist gas fitters, the rest is a free for all like we see depicted on TV @ your outback sheep station bars
Plumbers are regulated in Australia and I thought they were in the the UK as well...perhaps the UK needs to catch up, then the OP and others could find their drains.
Plumbers who have attained City & Guilds status can, I understand obtain Licensed status in Australia.
I find it difficult to believe that in the UK just anybody can say they are a plumber without having completed an apprenticeship and start up business, and there is no regulatory authority, perhaps this is why the OP can't find his drain.
But that has no relevance to finding the drain, I'm sure the equipment would be available in the UK
As an aside my brother worked for Cementation one summer building a road for ICI. They were asked to find a sewer by digging a trial hole by hand, two days later they were told they could stop digging and fill in the hole because the clerk of works had discovered the sewer was 30 feet down!
If it were my house I would want to know anyway just for future reference.
GPR I have seen in a demo by a company trying to sell it was very hard to interpret and we knew what we were looking at because we knew where the drain was laid.
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