Super Word. Geothermal loop hole. And interesting process to watch. After minor difficulties (the unfortunate weather, delays to other nerve site) we went yesterday with the holes go.
arrived at 10:30 a clock, the two-man team from Alpine Energy who perform as a sub for Viessmann the hole. So the three holes A 43 m, to be exact. That was indeed us from the Water Authority due to the geological conditions are specified (instead provided only a hole to 93 m of finger-like house).
However gabs also equal one problem: the appointed container for the overburden was there, but were missing pipes and Verfüllstoff. The then brought at noon by the responsible engineer still after the external supplier had messed up the. Fortunately it had on the progress of work no control.
During a visit this afternoon I caught the boys in their degree of break, so that was time for a little reconnaissance work and background knowledge for me. Very nice workers and mentioned how interesting to watch the whole thing.
Two of the wells had been completed, at the third and last so they just work. According to the both of them are in a good 30 meters encountered water, so that should really optimal conditions prevail later for our heating. We are pleased and excited:)
Here are some pictures:
Super, what is there for man-made toys ... 
And the whole fleet of container trucks and drills 
Thus, a finished Hole. Was really quite spectacular. I've learned during the break that the two bonded cable U-shaped go down, as are embedded in one foot and then the liquid is pumped through. The cables are in a tube to nerve specific depth and below surrounded only by Verfüllstoff. Coarse we knew that already, but it still live somewhat clearer. 
The excess dirt that comes through the hole, is disposed of by container. We were allowed to order two, but came out with one. Perhaps pushes the price of just under 300 € uro yes again. We are grateful for every € uro;) 
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