My water main copper pipe is 28 year old, no leaks yet but West Vancouver home inspector advised me to replace it while I'm doing my house renovation. This pipe is located under my concrete driveway so to replace it would cost me $$$$$.
What is a usual life span of those copper pipes in ground in West Vancouver? As far as I know it depends on water and soil Ph quality.
It depends on many factors, as you said water quality, soil etc... The main point being its under your concrete drive so is it buried in concrete with no sleeving or PVC covering? If the concrete is in direct contact the lime in the concrete will certainly eat into the copper for sure. If its protected then it should last you years - easily! I've been in houses where copper has been installed correctly and the property was built in the 40's and its been fine. The other quality to consider is the thickness of the pipe wall too - thin walled pipe and in direct contact with copper pipe will not last - if that is the case I would replace with PVC now.
Also, I know it's 19mm pipe.
If you have easy access, replace the pipe. It will be cheaper then yourr house deductible from your insurance company.
I would replace as much pipe as possible. The water it self running through your water line wears down your water pipe over time.
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