A well driller drills for the installation of building 22’s geo-thermal unit on June 2nd, 2009, at Bradley ANG Base, East Granby, Conn. The process of installing a geo-thermal unit to augment building heating and cooling requires piping to be placed 250 feet down to allow sufficient time for water to cool or warm to the surrounding dirt’s core temperature of around 50 degrees. This construction is part of the base efforts to reduce energy costs while transforming the base for relevancy in the future. (U.S. Air Force photo by Tech. Sgt. Joshua A. Mead)

PHOTO BY: Tech. Sgt. Joshua A. Mead
VIRIN: 090602-F-3118M-037.JPG
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