West Chester University “ Geothermal HVAC System Comprehensive Plan ”
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Transcript of West Chester University “ Geothermal HVAC System Comprehensive Plan ”
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Taken from presentation by:Neal Babcock &
Howard Alderson, P.E.Alderson Engineering, Inc.
February 26, 2008
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Typical Installation: 100 to +150 ft/ton; 15’ x 15’ to 20’ x
20’ spacing HDPE Piping
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4,600 Tons
6,500 Tons
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• Underground soil/rock formation strongly affects the performance of the well field;– Sands and Clays;– Rock;
• Affects type of Grouting used.
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Primary Loop Variable Flow Circulates around
the Campus Secondary Loop #1
Variable Flow Circulates thru
Borefield Secondary Loop #2
Variable Flow Circulates within a
Building
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Campus Distribution Loop: HDPE Pipe; 160 PSI
Rated No Insulation
Borehole Piping HDPE Pipe; 160 PSI
Rated No Insulation
Isolation Valves Butterfly; 150 PSI
Rated Distribution Isolation
Valves Butterfly/Ball Valves;
150 PSI Rated Borehole Grout
Thermally Enhanced Bentonite; K=1.2