Geothermal loops out of sight, out of mind, until???
Our system has been in the ground eleven years and performing beautifully. At the time it was laid the contractor furnished a hand drawn map with coordinates allegedly locating the location of the layout and having no reason to doubt it痴 accuracy I simply filed the map with other essential household information.
Fast forward to three weeks ago. My wife and I retrieved the map to flag the location the buried grid in preparation for the erection of our new solar arrays.
With flags in the ground and the solar system located, drilling for the supports commenced and to our absolute horr we discovered the original geo map was over 20 out of sink with reality thus breaching three out of the five loops with one of the solar piers.
Since the solar company was working from information we furnished and the information we received from the original (now deceased and business closed) geo installer was inaccurate we took a big bite in the bank account for the repair bill.
The moral of the story, check, double check, take pictures, or better yet use global positioning and know where your buried stuff is.
One never knows what the future brings
B. John