O Little Town of
Retrofit begins with excavation into basement level.
Two earth loops are planned.
4" dia. wet drill for all four concrete cores.
6'-7' deep horizontal loop trench is dug.
2" diameter single HPDE is placed at the bottom, and covered.
850' Loop on reel.
Excavator covers first foot, saturated with garden hose. Tractor backfills remainder, except stock piled topsoil.
Day one sees the first 200' installed and covered.
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