Existing site conditions would not allow a typical drainage basin to manage the storm water runoff created from a new natural gas compressor station. Engineers designed an underground filtration and storage system to handle the storm water runoff. Our crew excavated and installed the underground storm water management tank system…
Hudson River Crossing The Hudson River Crossing project took place along the banks of the Hudson River on both the Pennsylvania and New York sides. Our work included the safe removal of multiple trees around active energized natural gas equipment, installation of a 12’ high Redi Rock retaining wall, new…
The Hillis Group was contracted to mitigate an area of existing pipeline right of way that has been plagued with ditch line subsidence. This project consisted of removing asphalt driveways and pedestrian walk paths to excavate compromised soils around and under the existing pressurized natural gas pipeline. Sloping and trench…
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…
The Hillis Group performed the civil site work for the Springville Meter Station. Our work included the site clearing, stripping and stockpile of topsoil, temporary gravel surface for laydown yard, erosion control devices, cuts and fills necessary to bring the site to grade, stormwater retention basins, stormwater piping and outflow…
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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