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Posted by franz frippl on November 18, 2007, 8:13 am
Here's the goal:
Geothermal open loop water-to-water system using well water and
discharging effluent to pond.
One option is to bury a 1" drain line below frost depth from building to
pond. Distance = 150'. Problem is the soil is very sanding and too many
obstacles to dig under.
Other option would be for effluent to feed a water feature near building
with a man made raceway to the pond. This would be easier and cheaper to
construct. Issue is preventing a freeze up where effluent leaves
building or ice accumulation that would eventually block flow.
I have to keep the drain line no smaller than 1".
Would a anti siphon device work? It would seem that such a device would
allow the last few critical feet of the line to drain when the water flow
is cut off.
Ideas? Suggestions? Improvements?
Thanks.
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