Pileworks Takes on The Big Apple with Our Hybrid Geo-Exchange™ Foundation System

We provided Lita Construction with our helical piles & proprietary Geo-Exchange™ close-loop foundation system. They were able to install twenty-two 7.625″ diameter pile 40′ deep to support a 19′-6″ tall cantilevered retaining wall. This wall was constructed in efforts to expand the usable square footage of a residential lot over looking the East River. All 22 piles were designed to incorporate the Geo-Exchange™ system, which creates a closed loop that can be run in series to exchange the water temperature circulating through the loop with ground temperature for both the heating and cooling needs of the Home or surrounding structures.

Load testing was preformed, proving a 280-kip ultimate load on the piles and a geo-thermal strain test was carried out to qualify that the design minimum of 110 btu’s per/ft was met. Post testing results not only achieved 110 btu’s, but exceeded expectation by over 90 btu’s per/ft in each of the piling.