The project for JW Didado included providing Ground Penetrating Radar location services prior to excavation. The team demolished one circuit breaker foundation entirely and partially removed four bus support foundations to 6 inches below the finished grade. Mechanical excavation and backfill were performed for concrete foundations, which were then formed…
The Hillis Group LLC was awarded a contract for selective demolition, excavation and backfill for new conduits and grounding and construction of new foundations for replacement of a transformer at the Deep Run substation in Old Bridge, NJ owned and operated by First Energy. The transformer being replaced furnishes electricity for…
The Hillis group was contracted to make improvements to a electrical substation in New Jersey. The scope of work performed by the team included demolition and removal of an existing bank, a transformer foundation, and several piers. The team used Ground Penetrating Radar (GPR) to survey excavation areas for the…
In the aftermath of hurricane Sandy our client realized the need to protect their critical substations from future flooding. The Hillis Group was selected to complete a multifaceted civil site project that required working around above and below grade energized electrical equipment. The work scope included excavation, forming and pouring…
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